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Posted to commits@olingo.apache.org by mi...@apache.org on 2015/09/11 14:43:10 UTC
[2/7] olingo-odata4 git commit: [OLINGO-713] Switched tutorials to
release snapshot. Started to create a merged version of all tutorials
http://git-wip-us.apache.org/repos/asf/olingo-odata4/blob/170d561c/samples/tutorials/p7_queryoptions-f/src/main/java/myservice/mynamespace/service/DemoEntityCollectionProcessor.java
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diff --git a/samples/tutorials/p7_queryoptions-f/src/main/java/myservice/mynamespace/service/DemoEntityCollectionProcessor.java b/samples/tutorials/p7_queryoptions-f/src/main/java/myservice/mynamespace/service/DemoEntityCollectionProcessor.java
deleted file mode 100644
index 292a0c4..0000000
--- a/samples/tutorials/p7_queryoptions-f/src/main/java/myservice/mynamespace/service/DemoEntityCollectionProcessor.java
+++ /dev/null
@@ -1,134 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package myservice.mynamespace.service;
-
-import java.io.InputStream;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Locale;
-
-import myservice.mynamespace.data.Storage;
-
-import org.apache.olingo.commons.api.data.ContextURL;
-import org.apache.olingo.commons.api.data.Entity;
-import org.apache.olingo.commons.api.data.EntityCollection;
-import org.apache.olingo.commons.api.edm.EdmEntitySet;
-import org.apache.olingo.commons.api.edm.EdmEntityType;
-import org.apache.olingo.commons.api.format.ContentType;
-import org.apache.olingo.commons.api.format.ODataFormat;
-import org.apache.olingo.commons.api.http.HttpHeader;
-import org.apache.olingo.commons.api.http.HttpStatusCode;
-import org.apache.olingo.server.api.OData;
-import org.apache.olingo.server.api.ODataApplicationException;
-import org.apache.olingo.server.api.ODataRequest;
-import org.apache.olingo.server.api.ODataResponse;
-import org.apache.olingo.server.api.ServiceMetadata;
-import org.apache.olingo.server.api.processor.EntityCollectionProcessor;
-import org.apache.olingo.server.api.serializer.EntityCollectionSerializerOptions;
-import org.apache.olingo.server.api.serializer.ODataSerializer;
-import org.apache.olingo.server.api.serializer.SerializerException;
-import org.apache.olingo.server.api.serializer.SerializerResult;
-import org.apache.olingo.server.api.uri.UriInfo;
-import org.apache.olingo.server.api.uri.UriResource;
-import org.apache.olingo.server.api.uri.UriResourceEntitySet;
-import org.apache.olingo.server.api.uri.queryoption.FilterOption;
-import org.apache.olingo.server.api.uri.queryoption.expression.Expression;
-import org.apache.olingo.server.api.uri.queryoption.expression.ExpressionVisitException;
-
-public class DemoEntityCollectionProcessor implements EntityCollectionProcessor {
-
- private OData odata;
- private ServiceMetadata serviceMetadata;
- private Storage storage;
-
- public DemoEntityCollectionProcessor(Storage storage) {
- this.storage = storage;
- }
-
- public void init(OData odata, ServiceMetadata serviceMetadata) {
- this.odata = odata;
- this.serviceMetadata = serviceMetadata;
- }
-
- public void readEntityCollection(ODataRequest request, ODataResponse response, UriInfo uriInfo, ContentType responseFormat) throws ODataApplicationException, SerializerException {
-
- // 1st: retrieve the requested EntitySet from the uriInfo (representation of the parsed URI)
- List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
- UriResourceEntitySet uriResourceEntitySet = (UriResourceEntitySet) resourcePaths.get(0); // in our example, the first segment is the EntitySet
- EdmEntitySet edmEntitySet = uriResourceEntitySet.getEntitySet();
-
- // 2nd: fetch the data from backend for this requested EntitySetName and deliver as EntitySet
- EntityCollection entityCollection = storage.readEntitySetData(edmEntitySet);
-
- // 3rd: Check if filter system query option is provided and apply the expression if necessary
- FilterOption filterOption = uriInfo.getFilterOption();
- if(filterOption != null) {
- // Apply $filter system query option
- try {
- List<Entity> entityList = entityCollection.getEntities();
- Iterator<Entity> entityIterator = entityList.iterator();
-
- // Evaluate the expression for each entity
- // If the expression is evaluated to "true", keep the entity otherwise remove it from the entityList
- while (entityIterator.hasNext()) {
- // To evaluate the the expression, create an instance of the Filter Expression Visitor and pass
- // the current entity to the constructor
- Entity currentEntity = entityIterator.next();
- Expression filterExpression = filterOption.getExpression();
- FilterExpressionVisitor expressionVisitor = new FilterExpressionVisitor(currentEntity);
-
- // Start evaluating the expression
- Object visitorResult = filterExpression.accept(expressionVisitor);
-
- // The result of the filter expression must be of type Edm.Boolean
- if(visitorResult instanceof Boolean) {
- if(visitorResult != null && Boolean.FALSE.equals(visitorResult)) {
- // The expression evaluated to false, so we have to remove the currentEntity from entityList
- entityIterator.remove();
- }
- } else {
- throw new ODataApplicationException("A filter expression must evaulate to type Edm.Boolean",
- HttpStatusCode.BAD_REQUEST.getStatusCode(), Locale.ENGLISH);
- }
- }
-
- } catch (ExpressionVisitException e) {
- throw new ODataApplicationException("Exception in filter evaluation",
- HttpStatusCode.INTERNAL_SERVER_ERROR.getStatusCode(), Locale.ENGLISH);
- }
- }
-
- // 4th: create a serializer based on the requested format (json)
- ODataFormat format = ODataFormat.fromContentType(responseFormat);
- ODataSerializer serializer = odata.createSerializer(format);
-
- // and serialize the content: transform from the EntitySet object to InputStream
- EdmEntityType edmEntityType = edmEntitySet.getEntityType();
- ContextURL contextUrl = ContextURL.with().entitySet(edmEntitySet).build();
-
- EntityCollectionSerializerOptions opts = EntityCollectionSerializerOptions.with().contextURL(contextUrl).build();
- SerializerResult serializerResult = serializer.entityCollection(serviceMetadata, edmEntityType, entityCollection, opts);
- InputStream serializedContent = serializerResult.getContent();
-
- // 5th: configure the response object: set the body, headers and status code
- response.setContent(serializedContent);
- response.setStatusCode(HttpStatusCode.OK.getStatusCode());
- response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
- }
-}
http://git-wip-us.apache.org/repos/asf/olingo-odata4/blob/170d561c/samples/tutorials/p7_queryoptions-f/src/main/java/myservice/mynamespace/service/DemoEntityProcessor.java
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diff --git a/samples/tutorials/p7_queryoptions-f/src/main/java/myservice/mynamespace/service/DemoEntityProcessor.java b/samples/tutorials/p7_queryoptions-f/src/main/java/myservice/mynamespace/service/DemoEntityProcessor.java
deleted file mode 100644
index e3c8767..0000000
--- a/samples/tutorials/p7_queryoptions-f/src/main/java/myservice/mynamespace/service/DemoEntityProcessor.java
+++ /dev/null
@@ -1,126 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package myservice.mynamespace.service;
-
-import java.io.InputStream;
-import java.util.List;
-import java.util.Locale;
-
-import myservice.mynamespace.data.Storage;
-
-import org.apache.olingo.commons.api.data.ContextURL;
-import org.apache.olingo.commons.api.data.Entity;
-import org.apache.olingo.commons.api.edm.EdmEntitySet;
-import org.apache.olingo.commons.api.edm.EdmEntityType;
-import org.apache.olingo.commons.api.format.ContentType;
-import org.apache.olingo.commons.api.format.ODataFormat;
-import org.apache.olingo.commons.api.http.HttpHeader;
-import org.apache.olingo.commons.api.http.HttpStatusCode;
-import org.apache.olingo.server.api.OData;
-import org.apache.olingo.server.api.ODataApplicationException;
-import org.apache.olingo.server.api.ODataRequest;
-import org.apache.olingo.server.api.ODataResponse;
-import org.apache.olingo.server.api.ServiceMetadata;
-import org.apache.olingo.server.api.deserializer.DeserializerException;
-import org.apache.olingo.server.api.processor.EntityProcessor;
-import org.apache.olingo.server.api.serializer.EntitySerializerOptions;
-import org.apache.olingo.server.api.serializer.ODataSerializer;
-import org.apache.olingo.server.api.serializer.SerializerException;
-import org.apache.olingo.server.api.serializer.SerializerResult;
-import org.apache.olingo.server.api.uri.UriInfo;
-import org.apache.olingo.server.api.uri.UriParameter;
-import org.apache.olingo.server.api.uri.UriResource;
-import org.apache.olingo.server.api.uri.UriResourceEntitySet;
-
-public class DemoEntityProcessor implements EntityProcessor {
-
-
- private OData odata;
- private ServiceMetadata serviceMetadata;
- private Storage storage;
-
-
-
- public DemoEntityProcessor(Storage storage) {
- this.storage = storage;
- }
-
-
- public void init(OData odata, ServiceMetadata serviceMetadata) {
- this.odata = odata;
- this.serviceMetadata = serviceMetadata;
- }
-
-
- public void readEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo, ContentType responseFormat)
- throws ODataApplicationException, SerializerException {
-
- // 1. retrieve the Entity Type
- List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
- // Note: only in our example we can assume that the first segment is the EntitySet
- UriResourceEntitySet uriResourceEntitySet = (UriResourceEntitySet) resourcePaths.get(0);
- EdmEntitySet edmEntitySet = uriResourceEntitySet.getEntitySet();
-
- // 2. retrieve the data from backend
- List<UriParameter> keyPredicates = uriResourceEntitySet.getKeyPredicates();
- Entity entity = storage.readEntityData(edmEntitySet, keyPredicates);
-
- // 3. serialize
- EdmEntityType entityType = edmEntitySet.getEntityType();
-
- ContextURL contextUrl = ContextURL.with().entitySet(edmEntitySet).suffix(ContextURL.Suffix.ENTITY).build();
- // expand and select currently not supported
- EntitySerializerOptions options = EntitySerializerOptions.with().contextURL(contextUrl).build();
-
- ODataFormat oDataFormat = ODataFormat.fromContentType(responseFormat);
- ODataSerializer serializer = this.odata.createSerializer(oDataFormat);
- SerializerResult serializerResult = serializer.entity(serviceMetadata, entityType, entity, options);
- InputStream entityStream = serializerResult.getContent();
-
- //4. configure the response object
- response.setContent(entityStream);
- response.setStatusCode(HttpStatusCode.OK.getStatusCode());
- response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
- }
-
-
-
-
- /*
- * These processor methods are not handled in this tutorial
- * */
-
-
- public void createEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo, ContentType requestFormat, ContentType responseFormat)
- throws ODataApplicationException, DeserializerException, SerializerException {
- throw new ODataApplicationException("Not supported.", HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ROOT);
- }
-
-
- public void updateEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo, ContentType requestFormat, ContentType responseFormat)
- throws ODataApplicationException, DeserializerException, SerializerException {
- throw new ODataApplicationException("Not supported.", HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ROOT);
- }
-
-
- public void deleteEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo) throws ODataApplicationException {
- throw new ODataApplicationException("Not supported.", HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ROOT);
- }
-
-}
http://git-wip-us.apache.org/repos/asf/olingo-odata4/blob/170d561c/samples/tutorials/p7_queryoptions-f/src/main/java/myservice/mynamespace/service/DemoPrimitiveProcessor.java
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diff --git a/samples/tutorials/p7_queryoptions-f/src/main/java/myservice/mynamespace/service/DemoPrimitiveProcessor.java b/samples/tutorials/p7_queryoptions-f/src/main/java/myservice/mynamespace/service/DemoPrimitiveProcessor.java
deleted file mode 100644
index 1ba0c75..0000000
--- a/samples/tutorials/p7_queryoptions-f/src/main/java/myservice/mynamespace/service/DemoPrimitiveProcessor.java
+++ /dev/null
@@ -1,147 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package myservice.mynamespace.service;
-
-import java.io.InputStream;
-import java.util.List;
-import java.util.Locale;
-
-import myservice.mynamespace.data.Storage;
-
-import org.apache.olingo.commons.api.data.ContextURL;
-import org.apache.olingo.commons.api.data.Entity;
-import org.apache.olingo.commons.api.data.Property;
-import org.apache.olingo.commons.api.edm.EdmEntitySet;
-import org.apache.olingo.commons.api.edm.EdmPrimitiveType;
-import org.apache.olingo.commons.api.edm.EdmProperty;
-import org.apache.olingo.commons.api.format.ContentType;
-import org.apache.olingo.commons.api.format.ODataFormat;
-import org.apache.olingo.commons.api.http.HttpHeader;
-import org.apache.olingo.commons.api.http.HttpStatusCode;
-import org.apache.olingo.server.api.OData;
-import org.apache.olingo.server.api.ODataApplicationException;
-import org.apache.olingo.server.api.ODataRequest;
-import org.apache.olingo.server.api.ODataResponse;
-import org.apache.olingo.server.api.ServiceMetadata;
-import org.apache.olingo.server.api.deserializer.DeserializerException;
-import org.apache.olingo.server.api.processor.PrimitiveProcessor;
-import org.apache.olingo.server.api.serializer.ODataSerializer;
-import org.apache.olingo.server.api.serializer.PrimitiveSerializerOptions;
-import org.apache.olingo.server.api.serializer.SerializerException;
-import org.apache.olingo.server.api.serializer.SerializerResult;
-import org.apache.olingo.server.api.uri.UriInfo;
-import org.apache.olingo.server.api.uri.UriParameter;
-import org.apache.olingo.server.api.uri.UriResource;
-import org.apache.olingo.server.api.uri.UriResourceEntitySet;
-import org.apache.olingo.server.api.uri.UriResourceProperty;
-
-public class DemoPrimitiveProcessor implements PrimitiveProcessor {
-
- private OData odata;
- private Storage storage;
-
- public DemoPrimitiveProcessor(Storage storage) {
- this.storage = storage;
- }
-
- public void init(OData odata, ServiceMetadata serviceMetadata) {
- this.odata = odata;
-
- }
-
- /*
- * In our example, the URL would be: http://localhost:8080/DemoService/DemoService.svc/Products(1)/Name
- * and the response:
- * {
- * @odata.context: "$metadata#Products/Name",
- * value: "Notebook Basic 15"
- * }
- * */
- public void readPrimitive(ODataRequest request, ODataResponse response,
- UriInfo uriInfo, ContentType responseFormat)
- throws ODataApplicationException, SerializerException {
-
- // 1. Retrieve info from URI
- // 1.1. retrieve the info about the requested entity set
- List<UriResource> resourceParts = uriInfo.getUriResourceParts();
- // Note: only in our example we can rely that the first segment is the EntitySet
- UriResourceEntitySet uriEntityset = (UriResourceEntitySet) resourceParts.get(0);
- EdmEntitySet edmEntitySet = uriEntityset.getEntitySet();
- // the key for the entity
- List<UriParameter> keyPredicates = uriEntityset.getKeyPredicates();
-
- // 1.2. retrieve the requested (Edm) property
- UriResourceProperty uriProperty = (UriResourceProperty)resourceParts.get(resourceParts.size() -1); // the last segment is the Property
- EdmProperty edmProperty = uriProperty.getProperty();
- String edmPropertyName = edmProperty.getName();
- // in our example, we know we have only primitive types in our model
- EdmPrimitiveType edmPropertyType = (EdmPrimitiveType) edmProperty.getType();
-
-
- // 2. retrieve data from backend
- // 2.1. retrieve the entity data, for which the property has to be read
- Entity entity = storage.readEntityData(edmEntitySet, keyPredicates);
- if (entity == null) { // Bad request
- throw new ODataApplicationException("Entity not found", HttpStatusCode.NOT_FOUND.getStatusCode(), Locale.ENGLISH);
- }
-
- // 2.2. retrieve the property data from the entity
- Property property = entity.getProperty(edmPropertyName);
- if (property == null) {
- throw new ODataApplicationException("Property not found", HttpStatusCode.NOT_FOUND.getStatusCode(), Locale.ENGLISH);
- }
-
- // 3. serialize
- Object value = property.getValue();
- if (value != null) {
- // 3.1. configure the serializer
- ODataFormat format = ODataFormat.fromContentType(responseFormat);
- ODataSerializer serializer = odata.createSerializer(format);
-
- ContextURL contextUrl = ContextURL.with().entitySet(edmEntitySet).navOrPropertyPath(edmPropertyName).build();
- PrimitiveSerializerOptions options = PrimitiveSerializerOptions.with().contextURL(contextUrl).build();
- // 3.2. serialize
- SerializerResult serializerResult = serializer.primitive(edmPropertyType, property, options);
- InputStream propertyStream = serializerResult.getContent();
-
- //4. configure the response object
- response.setContent(propertyStream);
- response.setStatusCode(HttpStatusCode.OK.getStatusCode());
- response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
- } else {
- // in case there's no value for the property, we can skip the serialization
- response.setStatusCode(HttpStatusCode.NO_CONTENT.getStatusCode());
- }
- }
-
-
-
- /*
- * These processor methods are not handled in this tutorial
- * */
-
- public void updatePrimitive(ODataRequest request, ODataResponse response, UriInfo uriInfo, ContentType requestFormat, ContentType responseFormat)
- throws ODataApplicationException, DeserializerException, SerializerException {
- throw new ODataApplicationException("Not supported.", HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ROOT);
- }
-
- public void deletePrimitive(ODataRequest request, ODataResponse response, UriInfo uriInfo) throws ODataApplicationException {
- throw new ODataApplicationException("Not supported.", HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ROOT);
- }
-}
http://git-wip-us.apache.org/repos/asf/olingo-odata4/blob/170d561c/samples/tutorials/p7_queryoptions-f/src/main/java/myservice/mynamespace/service/FilterExpressionVisitor.java
----------------------------------------------------------------------
diff --git a/samples/tutorials/p7_queryoptions-f/src/main/java/myservice/mynamespace/service/FilterExpressionVisitor.java b/samples/tutorials/p7_queryoptions-f/src/main/java/myservice/mynamespace/service/FilterExpressionVisitor.java
deleted file mode 100644
index 615c384..0000000
--- a/samples/tutorials/p7_queryoptions-f/src/main/java/myservice/mynamespace/service/FilterExpressionVisitor.java
+++ /dev/null
@@ -1,300 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package myservice.mynamespace.service;
-
-import java.util.List;
-import java.util.Locale;
-
-import org.apache.olingo.commons.api.data.Entity;
-import org.apache.olingo.commons.api.edm.EdmEnumType;
-import org.apache.olingo.commons.api.edm.EdmType;
-import org.apache.olingo.commons.api.http.HttpStatusCode;
-import org.apache.olingo.server.api.ODataApplicationException;
-import org.apache.olingo.server.api.uri.UriInfoResource;
-import org.apache.olingo.server.api.uri.UriResource;
-import org.apache.olingo.server.api.uri.UriResourcePrimitiveProperty;
-import org.apache.olingo.server.api.uri.queryoption.expression.BinaryOperatorKind;
-import org.apache.olingo.server.api.uri.queryoption.expression.Expression;
-import org.apache.olingo.server.api.uri.queryoption.expression.ExpressionVisitException;
-import org.apache.olingo.server.api.uri.queryoption.expression.ExpressionVisitor;
-import org.apache.olingo.server.api.uri.queryoption.expression.MethodKind;
-import org.apache.olingo.server.api.uri.queryoption.expression.UnaryOperatorKind;
-
-public class FilterExpressionVisitor implements ExpressionVisitor<Object> {
-
- private Entity currentEntity;
-
- public FilterExpressionVisitor(Entity currentEntity) {
- this.currentEntity = currentEntity;
- }
-
- @Override
- public Object visitMember(UriInfoResource member) throws ExpressionVisitException, ODataApplicationException {
- // To keeps things simple, this tutorial allows only primitive properties.
- // We have faith that the java type of Edm.Int32 is Integer
-
- final List<UriResource> uriResourceParts = member.getUriResourceParts();
-
- // Make sure that the resource path of the property contains only a single segment and a primitive property
- // has been addressed. We can be sure, that the property exists because the UriParser checks if the
- // property has been defined in service metadata document.
-
- if(uriResourceParts.size() == 1 && uriResourceParts.get(0) instanceof UriResourcePrimitiveProperty) {
- UriResourcePrimitiveProperty uriResourceProperty = (UriResourcePrimitiveProperty) uriResourceParts.get(0);
- return currentEntity.getProperty(uriResourceProperty.getProperty().getName()).getValue();
- } else {
- // The OData specification allows in addition complex properties and navigation properties
- // with a target cardinality 0..1 or 1.
- // This means any combination can occur e.g. Supplier/Address/City
- // -> Navigation properties Supplier
- // -> Complex Property Address
- // -> Primitive Property City
- // For such cases the resource path returns a list of UriResourceParts
- throw new ODataApplicationException("Only primitive properties are implemented in filter expressions",
- HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ENGLISH);
- }
- }
-
- @Override
- public Object visitLiteral(String literal) throws ExpressionVisitException, ODataApplicationException {
- // To keep this tutorial simple, our filter expression visitor supports only Edm.Int32 and Edm.String
- // In real world scenarios it can be difficult to guess the type of an literal.
- // We can be sure, that the literal is a valid OData literal because the URI Parser checks
- // the lexicographical structure
-
- // String literals start and end with an single quotation mark
- if(literal.startsWith("'") && literal.endsWith("'")) {
- String stringLiteral = "";
- if(literal.length() > 2) {
- stringLiteral = literal.substring(1, literal.length() - 1);
- }
-
- return stringLiteral;
- } else {
- // Try to convert the literal into an Java Integer
- try {
- return Integer.parseInt(literal);
- } catch(NumberFormatException e) {
- throw new ODataApplicationException("Only Edm.Int32 and Edm.String literals are implemented",
- HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ENGLISH);
- }
- }
- }
-
- @Override
- public Object visitUnaryOperator(UnaryOperatorKind operator, Object operand)
- throws ExpressionVisitException, ODataApplicationException {
- // OData allows two different unary operators. We have to take care, that the type of the operand fits to
- // operand
-
- if(operator == UnaryOperatorKind.NOT && operand instanceof Boolean) {
- // 1.) boolean negation
- return !(Boolean) operand;
- } else if(operator == UnaryOperatorKind.MINUS && operand instanceof Integer){
- // 2.) arithmetic minus
- return -(Integer) operand;
- }
-
- // Operation not processed, throw an exception
- throw new ODataApplicationException("Invalid type for unary operator",
- HttpStatusCode.BAD_REQUEST.getStatusCode(), Locale.ENGLISH);
- }
-
- @Override
- public Object visitBinaryOperator(BinaryOperatorKind operator, Object left, Object right)
- throws ExpressionVisitException, ODataApplicationException {
-
- // Binary Operators are split up in three different kinds. Up to the kind of the operator it can be applied
- // to different types
- // - Arithmetic operations like add, minus, modulo, etc. are allowed on numeric types like Edm.Int32
- // - Logical operations are allowed on numeric types and also Edm.String
- // - Boolean operations like and, or are allowed on Edm.Boolean
- // A detailed explanation can be found in OData Version 4.0 Part 2: URL Conventions
-
- if (operator == BinaryOperatorKind.ADD
- || operator == BinaryOperatorKind.MOD
- || operator == BinaryOperatorKind.MUL
- || operator == BinaryOperatorKind.DIV
- || operator == BinaryOperatorKind.SUB) {
- return evaluateArithmeticOperation(operator, left, right);
- } else if (operator == BinaryOperatorKind.EQ
- || operator == BinaryOperatorKind.NE
- || operator == BinaryOperatorKind.GE
- || operator == BinaryOperatorKind.GT
- || operator == BinaryOperatorKind.LE
- || operator == BinaryOperatorKind.LT) {
- return evaluateComparisonOperation(operator, left, right);
- } else if (operator == BinaryOperatorKind.AND
- || operator == BinaryOperatorKind.OR) {
- return evaluateBooleanOperation(operator, left, right);
- } else {
- throw new ODataApplicationException("Binary operation " + operator.name() + " is not implemented",
- HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ENGLISH);
- }
- }
-
- private Object evaluateBooleanOperation(BinaryOperatorKind operator, Object left, Object right)
- throws ODataApplicationException {
-
- // First check that both operands are of type Boolean
- if(left instanceof Boolean && right instanceof Boolean) {
- Boolean valueLeft = (Boolean) left;
- Boolean valueRight = (Boolean) right;
-
- // Than calculate the result value
- if(operator == BinaryOperatorKind.AND) {
- return valueLeft && valueRight;
- } else {
- // OR
- return valueLeft || valueRight;
- }
- } else {
- throw new ODataApplicationException("Boolean operations needs two numeric operands",
- HttpStatusCode.BAD_REQUEST.getStatusCode(), Locale.ENGLISH);
- }
- }
-
- private Object evaluateComparisonOperation(BinaryOperatorKind operator, Object left, Object right)
- throws ODataApplicationException {
-
- // All types in our tutorial supports all logical operations, but we have to make sure that the types are equals
- if(left.getClass().equals(right.getClass()) && left instanceof Comparable) {
- // Luckily all used types String, Boolean and also Integer support the interface Comparable
- int result;
- if(left instanceof Integer) {
- result = ((Comparable<Integer>) (Integer)left).compareTo((Integer) right);
- } else if(left instanceof String) {
- result = ((Comparable<String>) (String)left).compareTo((String) right);
- } else if(left instanceof Boolean) {
- result = ((Comparable<Boolean>) (Boolean)left).compareTo((Boolean) right);
- } else {
- throw new ODataApplicationException("Class " + left.getClass().getCanonicalName() + " not expected",
- HttpStatusCode.INTERNAL_SERVER_ERROR.getStatusCode(), Locale.ENGLISH);
- }
-
- if (operator == BinaryOperatorKind.EQ) {
- return result == 0;
- } else if (operator == BinaryOperatorKind.NE) {
- return result != 0;
- } else if (operator == BinaryOperatorKind.GE) {
- return result >= 0;
- } else if (operator == BinaryOperatorKind.GT) {
- return result > 0;
- } else if (operator == BinaryOperatorKind.LE) {
- return result <= 0;
- } else {
- // BinaryOperatorKind.LT
- return result < 0;
- }
-
- } else {
- throw new ODataApplicationException("Comparision needs two equal types",
- HttpStatusCode.BAD_REQUEST.getStatusCode(), Locale.ENGLISH);
- }
- }
-
- private Object evaluateArithmeticOperation(BinaryOperatorKind operator, Object left,
- Object right) throws ODataApplicationException {
-
- // First check if the type of both operands is numerical
- if(left instanceof Integer && right instanceof Integer) {
- Integer valueLeft = (Integer) left;
- Integer valueRight = (Integer) right;
-
- // Than calculate the result value
- if(operator == BinaryOperatorKind.ADD) {
- return valueLeft + valueRight;
- } else if(operator == BinaryOperatorKind.SUB) {
- return valueLeft - valueRight;
- } else if(operator == BinaryOperatorKind.MUL) {
- return valueLeft * valueRight;
- } else if(operator == BinaryOperatorKind.DIV) {
- return valueLeft / valueRight;
- } else {
- // BinaryOperatorKind,MOD
- return valueLeft % valueRight;
- }
- } else {
- throw new ODataApplicationException("Arithmetic operations needs two numeric operands",
- HttpStatusCode.BAD_REQUEST.getStatusCode(), Locale.ENGLISH);
- }
- }
-
- @Override
- public Object visitMethodCall(MethodKind methodCall, List<Object> parameters)
- throws ExpressionVisitException, ODataApplicationException {
-
- // To keep this tutorial small and simple, we implement only one method call
- if(methodCall == MethodKind.CONTAINS) {
- // "Contains" gets two parameters, both have to be of type String
- // e.g. /Products?$filter=contains(Description, '1024 MB')
- //
- // First the method visistMember is called, which returns the current String value of the property.
- // After that the method visitLiteral is called with the string literal '1024 MB',
- // which returns a String
- //
- // Both String values are passed to visitMethodCall.
- if(parameters.get(0) instanceof String && parameters.get(1) instanceof String) {
- String valueParam1 = (String) parameters.get(0);
- String valueParam2 = (String) parameters.get(1);
-
- return valueParam1.contains(valueParam2);
- } else {
- throw new ODataApplicationException("Contains needs two parametes of type Edm.String",
- HttpStatusCode.BAD_REQUEST.getStatusCode(), Locale.ENGLISH);
- }
- } else {
- throw new ODataApplicationException("Method call " + methodCall + " not implemented",
- HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ENGLISH);
- }
- }
-
- @Override
- public Object visitTypeLiteral(EdmType type) throws ExpressionVisitException, ODataApplicationException {
- throw new ODataApplicationException("Type literals are not implemented",
- HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ENGLISH);
- }
-
- @Override
- public Object visitAlias(String aliasName) throws ExpressionVisitException, ODataApplicationException {
- throw new ODataApplicationException("Aliases are not implemented",
- HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ENGLISH);
- }
-
- @Override
- public Object visitEnum(EdmEnumType type, List<String> enumValues)
- throws ExpressionVisitException, ODataApplicationException {
- throw new ODataApplicationException("Enums are not implemented",
- HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ENGLISH);
- }
-
- @Override
- public Object visitLambdaExpression(String lambdaFunction, String lambdaVariable, Expression expression)
- throws ExpressionVisitException, ODataApplicationException {
- throw new ODataApplicationException("Lamdba expressions are not implemented",
- HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ENGLISH);
- }
-
- @Override
- public Object visitLambdaReference(String variableName)
- throws ExpressionVisitException, ODataApplicationException {
- throw new ODataApplicationException("Lamdba references are not implemented",
- HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ENGLISH);
- }
-}
http://git-wip-us.apache.org/repos/asf/olingo-odata4/blob/170d561c/samples/tutorials/p7_queryoptions-f/src/main/java/myservice/mynamespace/util/Util.java
----------------------------------------------------------------------
diff --git a/samples/tutorials/p7_queryoptions-f/src/main/java/myservice/mynamespace/util/Util.java b/samples/tutorials/p7_queryoptions-f/src/main/java/myservice/mynamespace/util/Util.java
deleted file mode 100644
index 16c7745..0000000
--- a/samples/tutorials/p7_queryoptions-f/src/main/java/myservice/mynamespace/util/Util.java
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package myservice.mynamespace.util;
-
-import java.util.List;
-import java.util.Locale;
-
-import org.apache.olingo.commons.api.data.Entity;
-import org.apache.olingo.commons.api.data.EntityCollection;
-import org.apache.olingo.commons.api.edm.EdmEntitySet;
-import org.apache.olingo.commons.api.edm.EdmEntityType;
-import org.apache.olingo.commons.api.edm.EdmPrimitiveType;
-import org.apache.olingo.commons.api.edm.EdmPrimitiveTypeException;
-import org.apache.olingo.commons.api.edm.EdmProperty;
-import org.apache.olingo.commons.api.edm.EdmType;
-import org.apache.olingo.commons.api.http.HttpStatusCode;
-import org.apache.olingo.server.api.ODataApplicationException;
-import org.apache.olingo.server.api.uri.UriInfoResource;
-import org.apache.olingo.server.api.uri.UriParameter;
-import org.apache.olingo.server.api.uri.UriResource;
-import org.apache.olingo.server.api.uri.UriResourceEntitySet;
-
-public class Util {
-
- public static EdmEntitySet getEdmEntitySet(UriInfoResource uriInfo) throws ODataApplicationException {
- List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
- // To get the entity set we have to interpret all URI segments
- if (!(resourcePaths.get(0) instanceof UriResourceEntitySet)) {
- // Here we should interpret the whole URI but in this example we do not support navigation so we throw an exception
- throw new ODataApplicationException("Invalid resource type for first segment.", HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(),Locale.ENGLISH);
- }
-
- UriResourceEntitySet uriResource = (UriResourceEntitySet) resourcePaths.get(0);
-
- return uriResource.getEntitySet();
- }
-
-
- public static Entity findEntity(EdmEntityType edmEntityType, EntityCollection entitySet, List<UriParameter> keyParams) throws ODataApplicationException {
-
- List<Entity> entityList = entitySet.getEntities();
-
- // loop over all entities in order to find that one that matches all keys in request e.g. contacts(ContactID=1, CompanyID=1)
- for(Entity entity : entityList){
- boolean foundEntity = entityMatchesAllKeys(edmEntityType, entity, keyParams);
- if(foundEntity) {
- return entity;
- }
- }
-
- return null;
- }
-
-
- public static boolean
- entityMatchesAllKeys(EdmEntityType edmEntityType, Entity rt_entity, List<UriParameter> keyParams)
- throws ODataApplicationException {
-
- // loop over all keys
- for (final UriParameter key : keyParams) {
- // key
- String keyName = key.getName();
- String keyText = key.getText();
-
- // Edm: we need this info for the comparison below
- EdmProperty edmKeyProperty = (EdmProperty) edmEntityType.getProperty(keyName);
- Boolean isNullable = edmKeyProperty.isNullable();
- Integer maxLength = edmKeyProperty.getMaxLength();
- Integer precision = edmKeyProperty.getPrecision();
- Boolean isUnicode = edmKeyProperty.isUnicode();
- Integer scale = edmKeyProperty.getScale();
- // get the EdmType in order to compare
- EdmType edmType = edmKeyProperty.getType();
- // if(EdmType instanceof EdmPrimitiveType) // do we need this?
- EdmPrimitiveType edmPrimitiveType = (EdmPrimitiveType) edmType;
-
- // Runtime data: the value of the current entity
- // don't need to check for null, this is done in olingo library
- Object valueObject = rt_entity.getProperty(keyName).getValue();
-
- // now need to compare the valueObject with the keyText String
- // this is done using type.valueToString
- String valueAsString = null;
- try {
- valueAsString = edmPrimitiveType.valueToString(valueObject, isNullable, maxLength, precision, scale, isUnicode);
- } catch (EdmPrimitiveTypeException e) {
- throw new ODataApplicationException("Failed to retrieve String value",
- HttpStatusCode.INTERNAL_SERVER_ERROR.getStatusCode(), Locale.ENGLISH, e);
- }
-
- if (valueAsString == null) {
- return false;
- }
-
- boolean matches = valueAsString.equals(keyText);
- if (!matches) {
- // if any of the key properties is not found in the entity, we don't need to search further
- return false;
- }
- }
-
- return true;
- }
-}
http://git-wip-us.apache.org/repos/asf/olingo-odata4/blob/170d561c/samples/tutorials/p7_queryoptions-f/src/main/java/myservice/mynamespace/web/DemoServlet.java
----------------------------------------------------------------------
diff --git a/samples/tutorials/p7_queryoptions-f/src/main/java/myservice/mynamespace/web/DemoServlet.java b/samples/tutorials/p7_queryoptions-f/src/main/java/myservice/mynamespace/web/DemoServlet.java
deleted file mode 100644
index fe5cdbb..0000000
--- a/samples/tutorials/p7_queryoptions-f/src/main/java/myservice/mynamespace/web/DemoServlet.java
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package myservice.mynamespace.web;
-
-import java.io.IOException;
-import java.lang.Override;import java.lang.RuntimeException;import java.util.ArrayList;
-
-import javax.servlet.ServletException;
-import javax.servlet.http.HttpServlet;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-import javax.servlet.http.HttpSession;
-
-import myservice.mynamespace.data.Storage;
-import myservice.mynamespace.service.DemoEdmProvider;
-import myservice.mynamespace.service.DemoEntityCollectionProcessor;
-import myservice.mynamespace.service.DemoEntityProcessor;
-import myservice.mynamespace.service.DemoPrimitiveProcessor;
-
-import org.apache.olingo.server.api.OData;
-import org.apache.olingo.server.api.ODataHttpHandler;
-import org.apache.olingo.server.api.ServiceMetadata;
-import org.apache.olingo.server.api.edmx.EdmxReference;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public class DemoServlet extends HttpServlet {
-
- private static final long serialVersionUID = 1L;
- private static final Logger LOG = LoggerFactory.getLogger(DemoServlet.class);
-
-
- @Override
- protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
- try {
- HttpSession session = req.getSession(true);
- Storage storage = (Storage) session.getAttribute(Storage.class.getName());
- if (storage == null) {
- storage = new Storage();
- session.setAttribute(Storage.class.getName(), storage);
- }
-
- // create odata handler and configure it with EdmProvider and Processor
- OData odata = OData.newInstance();
- ServiceMetadata edm = odata.createServiceMetadata(new DemoEdmProvider(), new ArrayList<EdmxReference>());
- ODataHttpHandler handler = odata.createHandler(edm);
- handler.register(new DemoEntityCollectionProcessor(storage));
- handler.register(new DemoEntityProcessor(storage));
- handler.register(new DemoPrimitiveProcessor(storage));
-
- // let the handler do the work
- handler.process(req, resp);
- } catch (RuntimeException e) {
- LOG.error("Server Error occurred in ExampleServlet", e);
- throw new ServletException(e);
- }
-
- }
-
-}
http://git-wip-us.apache.org/repos/asf/olingo-odata4/blob/170d561c/samples/tutorials/p7_queryoptions-f/src/main/webapp/WEB-INF/web.xml
----------------------------------------------------------------------
diff --git a/samples/tutorials/p7_queryoptions-f/src/main/webapp/WEB-INF/web.xml b/samples/tutorials/p7_queryoptions-f/src/main/webapp/WEB-INF/web.xml
deleted file mode 100644
index 21de52a..0000000
--- a/samples/tutorials/p7_queryoptions-f/src/main/webapp/WEB-INF/web.xml
+++ /dev/null
@@ -1,40 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
- Licensed to the Apache Software Foundation (ASF) under one
- or more contributor license agreements. See the NOTICE file
- distributed with this work for additional information
- regarding copyright ownership. The ASF licenses this file
- to you under the Apache License, Version 2.0 (the
- "License"); you may not use this file except in compliance
- with the License. You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing,
- software distributed under the License is distributed on an
- "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- KIND, either express or implied. See the License for the
- specific language governing permissions and limitations
- under the License.
--->
-<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
- xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
- xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
- id="WebApp_ID" version="2.5">
-
- <!-- Register the HttpServlet implementation -->
- <servlet>
- <servlet-name>DemoServlet</servlet-name>
- <servlet-class>myservice.mynamespace.web.DemoServlet</servlet-class>
- <load-on-startup>1</load-on-startup>
- </servlet>
-
- <!--
- Our OData service can be invoked at
- http://localhost:8080/DemoService/DemoService.svc
- -->
- <servlet-mapping>
- <servlet-name>DemoServlet</servlet-name>
- <url-pattern>/DemoService.svc/*</url-pattern>
- </servlet-mapping>
-</web-app>
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/olingo-odata4/blob/170d561c/samples/tutorials/p7_queryoptions-f/src/main/webapp/index.jsp
----------------------------------------------------------------------
diff --git a/samples/tutorials/p7_queryoptions-f/src/main/webapp/index.jsp b/samples/tutorials/p7_queryoptions-f/src/main/webapp/index.jsp
deleted file mode 100644
index c0fe23e..0000000
--- a/samples/tutorials/p7_queryoptions-f/src/main/webapp/index.jsp
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-<html>
-<body>
-<h2>Hello World!</h2>
-<a href="DemoService.svc/">OData Olingo V4 Demo Service</a>
-</body>
-</html>
http://git-wip-us.apache.org/repos/asf/olingo-odata4/blob/170d561c/samples/tutorials/p7_queryoptions-o/pom.xml
----------------------------------------------------------------------
diff --git a/samples/tutorials/p7_queryoptions-o/pom.xml b/samples/tutorials/p7_queryoptions-o/pom.xml
new file mode 100644
index 0000000..108b0de
--- /dev/null
+++ b/samples/tutorials/p7_queryoptions-o/pom.xml
@@ -0,0 +1,85 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements. See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership. The ASF licenses this file
+ to you under the Apache License, Version 2.0 (the
+ "License"); you may not use this file except in compliance
+ with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing,
+ software distributed under the License is distributed on an
+ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ KIND, either express or implied. See the License for the
+ specific language governing permissions and limitations
+ under the License.
+
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+ <groupId>my.group.id</groupId>
+ <artifactId>DemoService-QueryOptions-O</artifactId>
+ <packaging>war</packaging>
+ <version>4.0.0</version>
+
+ <name>${project.artifactId}-Webapp</name>
+
+ <build>
+ <finalName>DemoService</finalName>
+ </build>
+
+ <properties>
+ <javax.version>2.5</javax.version>
+ <odata.version>4.0.0-SNAPSHOT</odata.version>
+ <slf4j.version>1.7.7</slf4j.version>
+ </properties>
+
+ <dependencies>
+ <dependency>
+ <groupId>javax.servlet</groupId>
+ <artifactId>servlet-api</artifactId>
+ <version>${javax.version}</version>
+ <scope>provided</scope>
+ </dependency>
+
+ <dependency>
+ <groupId>org.apache.olingo</groupId>
+ <artifactId>odata-server-api</artifactId>
+ <version>${odata.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.olingo</groupId>
+ <artifactId>odata-server-core</artifactId>
+ <version>${odata.version}</version>
+ </dependency>
+
+ <dependency>
+ <groupId>org.apache.olingo</groupId>
+ <artifactId>odata-commons-api</artifactId>
+ <version>${odata.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.olingo</groupId>
+ <artifactId>odata-commons-core</artifactId>
+ <version>${odata.version}</version>
+ </dependency>
+
+ <dependency>
+ <groupId>org.slf4j</groupId>
+ <artifactId>slf4j-simple</artifactId>
+ <version>${slf4j.version}</version>
+ <scope>runtime</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.slf4j</groupId>
+ <artifactId>slf4j-api</artifactId>
+ <version>1.7.11</version>
+ <scope>compile</scope>
+ </dependency>
+ </dependencies>
+</project>
http://git-wip-us.apache.org/repos/asf/olingo-odata4/blob/170d561c/samples/tutorials/p7_queryoptions-o/src/main/java/myservice/mynamespace/data/Storage.java
----------------------------------------------------------------------
diff --git a/samples/tutorials/p7_queryoptions-o/src/main/java/myservice/mynamespace/data/Storage.java b/samples/tutorials/p7_queryoptions-o/src/main/java/myservice/mynamespace/data/Storage.java
new file mode 100644
index 0000000..d5d16c2
--- /dev/null
+++ b/samples/tutorials/p7_queryoptions-o/src/main/java/myservice/mynamespace/data/Storage.java
@@ -0,0 +1,125 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package myservice.mynamespace.data;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Locale;
+
+import myservice.mynamespace.service.DemoEdmProvider;
+import myservice.mynamespace.util.Util;
+
+import org.apache.olingo.commons.api.data.Entity;
+import org.apache.olingo.commons.api.data.EntityCollection;
+import org.apache.olingo.commons.api.data.Property;
+import org.apache.olingo.commons.api.data.ValueType;
+import org.apache.olingo.commons.api.edm.EdmEntitySet;
+import org.apache.olingo.commons.api.edm.EdmEntityType;
+import org.apache.olingo.commons.api.http.HttpStatusCode;
+import org.apache.olingo.server.api.ODataApplicationException;
+import org.apache.olingo.server.api.uri.UriParameter;
+
+public class Storage {
+
+ private List<Entity> productList;
+
+ public Storage() {
+ productList = new ArrayList<Entity>();
+ initSampleData();
+ }
+
+ /* PUBLIC FACADE */
+
+ public EntityCollection readEntitySetData(EdmEntitySet edmEntitySet)throws ODataApplicationException{
+
+ // actually, this is only required if we have more than one Entity Sets
+ if(edmEntitySet.getName().equals(DemoEdmProvider.ES_PRODUCTS_NAME)){
+ return getProducts();
+ }
+
+ return null;
+ }
+
+ public Entity readEntityData(EdmEntitySet edmEntitySet, List<UriParameter> keyParams) throws ODataApplicationException{
+
+ EdmEntityType edmEntityType = edmEntitySet.getEntityType();
+
+ // actually, this is only required if we have more than one Entity Type
+ if(edmEntityType.getName().equals(DemoEdmProvider.ET_PRODUCT_NAME)){
+ return getProduct(edmEntityType, keyParams);
+ }
+
+ return null;
+ }
+
+
+
+ /* INTERNAL */
+
+ private EntityCollection getProducts(){
+ EntityCollection retEntitySet = new EntityCollection();
+
+ for(Entity productEntity : this.productList){
+ retEntitySet.getEntities().add(productEntity);
+ }
+
+ return retEntitySet;
+ }
+
+
+ private Entity getProduct(EdmEntityType edmEntityType, List<UriParameter> keyParams) throws ODataApplicationException{
+
+ // the list of entities at runtime
+ EntityCollection entitySet = getProducts();
+
+ /* generic approach to find the requested entity */
+ Entity requestedEntity = Util.findEntity(edmEntityType, entitySet, keyParams);
+
+ if(requestedEntity == null){
+ // this variable is null if our data doesn't contain an entity for the requested key
+ // Throw suitable exception
+ throw new ODataApplicationException("Entity for requested key doesn't exist",
+ HttpStatusCode.NOT_FOUND.getStatusCode(), Locale.ENGLISH);
+ }
+
+ return requestedEntity;
+ }
+
+ /* HELPER */
+
+ private void initSampleData(){
+
+ // add some sample product entities
+ productList.add(new Entity()
+ .addProperty(new Property(null, "ID", ValueType.PRIMITIVE, 1))
+ .addProperty(new Property(null, "Name", ValueType.PRIMITIVE, "Notebook Basic 15"))
+ .addProperty(new Property(null, "Description", ValueType.PRIMITIVE, "Notebook Basic, 1.7GHz - 15 XGA - 1024MB DDR2 SDRAM - 40GB")));
+
+ productList.add(new Entity()
+ .addProperty(new Property(null, "ID", ValueType.PRIMITIVE, 2))
+ .addProperty(new Property(null, "Name", ValueType.PRIMITIVE, "1UMTS PDA"))
+ .addProperty(new Property(null, "Description", ValueType.PRIMITIVE, "Ultrafast 3G UMTS/HSDPA Pocket PC, supports GSM network")));
+
+ productList.add(new Entity()
+ .addProperty(new Property(null, "ID", ValueType.PRIMITIVE, 3))
+ .addProperty(new Property(null, "Name", ValueType.PRIMITIVE, "Ergo Screen"))
+ .addProperty(new Property(null, "Description", ValueType.PRIMITIVE, "19 Optimum Resolution 1024 x 768 @ 85Hz, resolution 1280 x 960")));
+
+ }
+}
http://git-wip-us.apache.org/repos/asf/olingo-odata4/blob/170d561c/samples/tutorials/p7_queryoptions-o/src/main/java/myservice/mynamespace/service/DemoEdmProvider.java
----------------------------------------------------------------------
diff --git a/samples/tutorials/p7_queryoptions-o/src/main/java/myservice/mynamespace/service/DemoEdmProvider.java b/samples/tutorials/p7_queryoptions-o/src/main/java/myservice/mynamespace/service/DemoEdmProvider.java
new file mode 100644
index 0000000..0d0fbb2
--- /dev/null
+++ b/samples/tutorials/p7_queryoptions-o/src/main/java/myservice/mynamespace/service/DemoEdmProvider.java
@@ -0,0 +1,153 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package myservice.mynamespace.service;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+import org.apache.olingo.commons.api.edm.EdmPrimitiveTypeKind;
+import org.apache.olingo.commons.api.edm.FullQualifiedName;
+import org.apache.olingo.commons.api.edm.provider.CsdlAbstractEdmProvider;
+import org.apache.olingo.commons.api.edm.provider.CsdlEntityContainer;
+import org.apache.olingo.commons.api.edm.provider.CsdlEntityContainerInfo;
+import org.apache.olingo.commons.api.edm.provider.CsdlEntitySet;
+import org.apache.olingo.commons.api.edm.provider.CsdlEntityType;
+import org.apache.olingo.commons.api.edm.provider.CsdlProperty;
+import org.apache.olingo.commons.api.edm.provider.CsdlPropertyRef;
+import org.apache.olingo.commons.api.edm.provider.CsdlSchema;
+
+public class DemoEdmProvider extends CsdlAbstractEdmProvider {
+
+ // Service Namespace
+ public static final String NAMESPACE = "OData.Demo";
+
+ // EDM Container
+ public static final String CONTAINER_NAME = "Container";
+ public static final FullQualifiedName CONTAINER = new FullQualifiedName(NAMESPACE, CONTAINER_NAME);
+
+ // Entity Types Names
+ public static final String ET_PRODUCT_NAME = "Product";
+ public static final FullQualifiedName ET_PRODUCT_FQN = new FullQualifiedName(NAMESPACE, ET_PRODUCT_NAME);
+
+ // Entity Set Names
+ public static final String ES_PRODUCTS_NAME = "Products";
+
+
+ @Override
+ public CsdlEntityType getEntityType(FullQualifiedName entityTypeName) {
+ // this method is called for one of the EntityTypes that are configured in the Schema
+ if(ET_PRODUCT_FQN.equals(entityTypeName)){
+
+ //create EntityType properties
+ CsdlProperty id = new CsdlProperty().setName("ID")
+ .setType(EdmPrimitiveTypeKind.Int32.getFullQualifiedName());
+ CsdlProperty name = new CsdlProperty().setName("Name")
+ .setType(EdmPrimitiveTypeKind.String.getFullQualifiedName());
+ CsdlProperty description = new CsdlProperty().setName("Description")
+ .setType(EdmPrimitiveTypeKind.String.getFullQualifiedName());
+
+ // create PropertyRef for Key element
+ CsdlPropertyRef propertyRef = new CsdlPropertyRef();
+ propertyRef.setName("ID");
+
+ // configure EntityType
+ CsdlEntityType entityType = new CsdlEntityType();
+ entityType.setName(ET_PRODUCT_NAME);
+ entityType.setProperties(Arrays.asList(id, name, description));
+ entityType.setKey(Collections.singletonList(propertyRef));
+
+ return entityType;
+ }
+
+ return null;
+
+ }
+
+ @Override
+ public CsdlEntitySet getEntitySet(FullQualifiedName entityContainer, String entitySetName) {
+ if(entityContainer.equals(CONTAINER)){
+ if(entitySetName.equals(ES_PRODUCTS_NAME)){
+ CsdlEntitySet entitySet = new CsdlEntitySet();
+ entitySet.setName(ES_PRODUCTS_NAME);
+ entitySet.setType(ET_PRODUCT_FQN);
+
+ return entitySet;
+ }
+ }
+
+ return null;
+
+ }
+
+ @Override
+ public CsdlEntityContainerInfo getEntityContainerInfo(FullQualifiedName entityContainerName) {
+ // This method is invoked when displaying the service document at
+ // e.g. http://localhost:8080/DemoService/DemoService.svc
+ if(entityContainerName == null || entityContainerName.equals(CONTAINER)){
+ CsdlEntityContainerInfo entityContainerInfo = new CsdlEntityContainerInfo();
+ entityContainerInfo.setContainerName(CONTAINER);
+ return entityContainerInfo;
+ }
+
+ return null;
+
+ }
+
+ @Override
+ public List<CsdlSchema> getSchemas() {
+ // create Schema
+ CsdlSchema schema = new CsdlSchema();
+ schema.setNamespace(NAMESPACE);
+
+ // add EntityTypes
+ List<CsdlEntityType> entityTypes = new ArrayList<CsdlEntityType>();
+ entityTypes.add(getEntityType(ET_PRODUCT_FQN));
+ schema.setEntityTypes(entityTypes);
+
+ // add EntityContainer
+ schema.setEntityContainer(getEntityContainer());
+
+ // finally
+ List<CsdlSchema> schemas = new ArrayList<CsdlSchema>();
+ schemas.add(schema);
+
+ return schemas;
+
+ }
+
+ @Override
+ public CsdlEntityContainer getEntityContainer() {
+ // create EntitySets
+ List<CsdlEntitySet> entitySets = new ArrayList<CsdlEntitySet>();
+ entitySets.add(getEntitySet(CONTAINER, ES_PRODUCTS_NAME));
+
+ // create EntityContainer
+ CsdlEntityContainer entityContainer = new CsdlEntityContainer();
+ entityContainer.setName(CONTAINER_NAME);
+ entityContainer.setEntitySets(entitySets);
+
+ return entityContainer;
+
+ }
+
+
+
+}
http://git-wip-us.apache.org/repos/asf/olingo-odata4/blob/170d561c/samples/tutorials/p7_queryoptions-o/src/main/java/myservice/mynamespace/service/DemoEntityCollectionProcessor.java
----------------------------------------------------------------------
diff --git a/samples/tutorials/p7_queryoptions-o/src/main/java/myservice/mynamespace/service/DemoEntityCollectionProcessor.java b/samples/tutorials/p7_queryoptions-o/src/main/java/myservice/mynamespace/service/DemoEntityCollectionProcessor.java
new file mode 100644
index 0000000..5b5a5eb
--- /dev/null
+++ b/samples/tutorials/p7_queryoptions-o/src/main/java/myservice/mynamespace/service/DemoEntityCollectionProcessor.java
@@ -0,0 +1,147 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package myservice.mynamespace.service;
+
+import java.io.InputStream;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+
+import myservice.mynamespace.data.Storage;
+
+import org.apache.olingo.commons.api.data.ContextURL;
+import org.apache.olingo.commons.api.data.Entity;
+import org.apache.olingo.commons.api.data.EntityCollection;
+import org.apache.olingo.commons.api.edm.EdmEntitySet;
+import org.apache.olingo.commons.api.edm.EdmEntityType;
+import org.apache.olingo.commons.api.edm.EdmProperty;
+import org.apache.olingo.commons.api.format.ContentType;
+import org.apache.olingo.commons.api.http.HttpHeader;
+import org.apache.olingo.commons.api.http.HttpStatusCode;
+import org.apache.olingo.server.api.OData;
+import org.apache.olingo.server.api.ODataApplicationException;
+import org.apache.olingo.server.api.ODataRequest;
+import org.apache.olingo.server.api.ODataResponse;
+import org.apache.olingo.server.api.ServiceMetadata;
+import org.apache.olingo.server.api.processor.EntityCollectionProcessor;
+import org.apache.olingo.server.api.serializer.EntityCollectionSerializerOptions;
+import org.apache.olingo.server.api.serializer.ODataSerializer;
+import org.apache.olingo.server.api.serializer.SerializerException;
+import org.apache.olingo.server.api.serializer.SerializerResult;
+import org.apache.olingo.server.api.uri.UriInfo;
+import org.apache.olingo.server.api.uri.UriInfoResource;
+import org.apache.olingo.server.api.uri.UriResource;
+import org.apache.olingo.server.api.uri.UriResourceEntitySet;
+import org.apache.olingo.server.api.uri.UriResourcePrimitiveProperty;
+import org.apache.olingo.server.api.uri.queryoption.OrderByItem;
+import org.apache.olingo.server.api.uri.queryoption.OrderByOption;
+import org.apache.olingo.server.api.uri.queryoption.expression.Expression;
+import org.apache.olingo.server.api.uri.queryoption.expression.Member;
+
+public class DemoEntityCollectionProcessor implements EntityCollectionProcessor {
+
+ private OData odata;
+ private ServiceMetadata serviceMetadata;
+ private Storage storage;
+
+ public DemoEntityCollectionProcessor(Storage storage) {
+ this.storage = storage;
+ }
+
+ public void init(OData odata, ServiceMetadata serviceMetadata) {
+ this.odata = odata;
+ this.serviceMetadata = serviceMetadata;
+ }
+
+ public void readEntityCollection(ODataRequest request, ODataResponse response, UriInfo uriInfo,
+ ContentType responseFormat) throws ODataApplicationException, SerializerException {
+
+ // 1st retrieve the requested EntitySet from the uriInfo (representation of the parsed URI)
+ List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
+ // in our example, the first segment is the EntitySet
+ UriResourceEntitySet uriResourceEntitySet = (UriResourceEntitySet) resourcePaths.get(0);
+ EdmEntitySet edmEntitySet = uriResourceEntitySet.getEntitySet();
+
+ // 2nd: fetch the data from backend for this requested EntitySetName and deliver as EntitySet
+ EntityCollection entityCollection = storage.readEntitySetData(edmEntitySet);
+ List<Entity> entityList = entityCollection.getEntities();
+
+ // 3rd apply $orderby
+ OrderByOption orderByOption = uriInfo.getOrderByOption();
+ if (orderByOption != null) {
+ List<OrderByItem> orderItemList = orderByOption.getOrders();
+ final OrderByItem orderByItem = orderItemList.get(0); // in our example we support only one
+ Expression expression = orderByItem.getExpression();
+ if(expression instanceof Member){
+ UriInfoResource resourcePath = ((Member)expression).getResourcePath();
+ UriResource uriResource = resourcePath.getUriResourceParts().get(0);
+ if (uriResource instanceof UriResourcePrimitiveProperty) {
+ EdmProperty edmProperty = ((UriResourcePrimitiveProperty)uriResource).getProperty();
+ final String sortPropertyName = edmProperty.getName();
+
+ // do the sorting for the list of entities
+ Collections.sort(entityList, new Comparator<Entity>() {
+
+ // we delegate the sorting to the native sorter of Integer and String
+ public int compare(Entity entity1, Entity entity2) {
+ int compareResult = 0;
+
+ if(sortPropertyName.equals("ID")){
+ Integer integer1 = (Integer) entity1.getProperty(sortPropertyName).getValue();
+ Integer integer2 = (Integer) entity2.getProperty(sortPropertyName).getValue();
+
+ compareResult = integer1.compareTo(integer2);
+ }else{
+ String propertyValue1 = (String) entity1.getProperty(sortPropertyName).getValue();
+ String propertyValue2 = (String) entity2.getProperty(sortPropertyName).getValue();
+
+ compareResult = propertyValue1.compareTo(propertyValue2);
+ }
+
+ // if 'desc' is specified in the URI, change the order of the list
+ if(orderByItem.isDescending()){
+ return - compareResult; // just convert the result to negative value to change the order
+ }
+
+ return compareResult;
+ }
+ });
+ }
+ }
+ }
+
+
+ // 4th: create a serializer based on the requested format (json)
+ ODataSerializer serializer = odata.createSerializer(responseFormat);
+
+ // and serialize the content: transform from the EntitySet object to InputStream
+ EdmEntityType edmEntityType = edmEntitySet.getEntityType();
+ ContextURL contextUrl = ContextURL.with().entitySet(edmEntitySet).build();
+
+ EntityCollectionSerializerOptions opts = EntityCollectionSerializerOptions.with().contextURL(contextUrl).build();
+ SerializerResult serializerResult = serializer.entityCollection(serviceMetadata, edmEntityType,
+ entityCollection, opts);
+ InputStream serializedContent = serializerResult.getContent();
+
+ // 5th: configure the response object: set the body, headers and status code
+ response.setContent(serializedContent);
+ response.setStatusCode(HttpStatusCode.OK.getStatusCode());
+ response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
+ }
+}
http://git-wip-us.apache.org/repos/asf/olingo-odata4/blob/170d561c/samples/tutorials/p7_queryoptions-o/src/main/java/myservice/mynamespace/service/DemoEntityProcessor.java
----------------------------------------------------------------------
diff --git a/samples/tutorials/p7_queryoptions-o/src/main/java/myservice/mynamespace/service/DemoEntityProcessor.java b/samples/tutorials/p7_queryoptions-o/src/main/java/myservice/mynamespace/service/DemoEntityProcessor.java
new file mode 100644
index 0000000..addfef0
--- /dev/null
+++ b/samples/tutorials/p7_queryoptions-o/src/main/java/myservice/mynamespace/service/DemoEntityProcessor.java
@@ -0,0 +1,122 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package myservice.mynamespace.service;
+
+import java.io.InputStream;
+import java.util.List;
+import java.util.Locale;
+
+import myservice.mynamespace.data.Storage;
+
+import org.apache.olingo.commons.api.data.ContextURL;
+import org.apache.olingo.commons.api.data.Entity;
+import org.apache.olingo.commons.api.edm.EdmEntitySet;
+import org.apache.olingo.commons.api.edm.EdmEntityType;
+import org.apache.olingo.commons.api.format.ContentType;
+import org.apache.olingo.commons.api.http.HttpHeader;
+import org.apache.olingo.commons.api.http.HttpStatusCode;
+import org.apache.olingo.server.api.OData;
+import org.apache.olingo.server.api.ODataApplicationException;
+import org.apache.olingo.server.api.ODataRequest;
+import org.apache.olingo.server.api.ODataResponse;
+import org.apache.olingo.server.api.ServiceMetadata;
+import org.apache.olingo.server.api.deserializer.DeserializerException;
+import org.apache.olingo.server.api.processor.EntityProcessor;
+import org.apache.olingo.server.api.serializer.EntitySerializerOptions;
+import org.apache.olingo.server.api.serializer.ODataSerializer;
+import org.apache.olingo.server.api.serializer.SerializerException;
+import org.apache.olingo.server.api.serializer.SerializerResult;
+import org.apache.olingo.server.api.uri.UriInfo;
+import org.apache.olingo.server.api.uri.UriParameter;
+import org.apache.olingo.server.api.uri.UriResource;
+import org.apache.olingo.server.api.uri.UriResourceEntitySet;
+
+public class DemoEntityProcessor implements EntityProcessor {
+
+
+ private OData odata;
+ private ServiceMetadata serviceMetadata;
+ private Storage storage;
+
+
+
+ public DemoEntityProcessor(Storage storage) {
+ this.storage = storage;
+ }
+
+
+ public void init(OData odata, ServiceMetadata serviceMetadata) {
+ this.odata = odata;
+ this.serviceMetadata = serviceMetadata;
+ }
+
+
+ public void readEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo, ContentType responseFormat)
+ throws ODataApplicationException, SerializerException {
+
+ // 1. retrieve the Entity Type
+ List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
+ // Note: only in our example we can assume that the first segment is the EntitySet
+ UriResourceEntitySet uriResourceEntitySet = (UriResourceEntitySet) resourcePaths.get(0);
+ EdmEntitySet edmEntitySet = uriResourceEntitySet.getEntitySet();
+
+ // 2. retrieve the data from backend
+ List<UriParameter> keyPredicates = uriResourceEntitySet.getKeyPredicates();
+ Entity entity = storage.readEntityData(edmEntitySet, keyPredicates);
+
+ // 3. serialize
+ EdmEntityType entityType = edmEntitySet.getEntityType();
+
+ ContextURL contextUrl = ContextURL.with().entitySet(edmEntitySet).suffix(ContextURL.Suffix.ENTITY).build();
+ // expand and select currently not supported
+ EntitySerializerOptions options = EntitySerializerOptions.with().contextURL(contextUrl).build();
+
+ ODataSerializer serializer = this.odata.createSerializer(responseFormat);
+ SerializerResult serializerResult = serializer.entity(serviceMetadata, entityType, entity, options);
+ InputStream entityStream = serializerResult.getContent();
+
+ //4. configure the response object
+ response.setContent(entityStream);
+ response.setStatusCode(HttpStatusCode.OK.getStatusCode());
+ response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
+ }
+
+
+
+
+ /*
+ * These processor methods are not handled in this tutorial
+ * */
+ public void createEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo, ContentType requestFormat,
+ ContentType responseFormat) throws ODataApplicationException, DeserializerException, SerializerException {
+ throw new ODataApplicationException("Not supported.", HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ROOT);
+ }
+
+
+ public void updateEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo, ContentType requestFormat,
+ ContentType responseFormat) throws ODataApplicationException, DeserializerException, SerializerException {
+ throw new ODataApplicationException("Not supported.", HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ROOT);
+ }
+
+
+ public void deleteEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo)
+ throws ODataApplicationException {
+ throw new ODataApplicationException("Not supported.", HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ROOT);
+ }
+}
http://git-wip-us.apache.org/repos/asf/olingo-odata4/blob/170d561c/samples/tutorials/p7_queryoptions-o/src/main/java/myservice/mynamespace/service/DemoPrimitiveProcessor.java
----------------------------------------------------------------------
diff --git a/samples/tutorials/p7_queryoptions-o/src/main/java/myservice/mynamespace/service/DemoPrimitiveProcessor.java b/samples/tutorials/p7_queryoptions-o/src/main/java/myservice/mynamespace/service/DemoPrimitiveProcessor.java
new file mode 100644
index 0000000..3ca2a16
--- /dev/null
+++ b/samples/tutorials/p7_queryoptions-o/src/main/java/myservice/mynamespace/service/DemoPrimitiveProcessor.java
@@ -0,0 +1,148 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package myservice.mynamespace.service;
+
+import java.io.InputStream;
+import java.util.List;
+import java.util.Locale;
+
+import myservice.mynamespace.data.Storage;
+
+import org.apache.olingo.commons.api.data.ContextURL;
+import org.apache.olingo.commons.api.data.Entity;
+import org.apache.olingo.commons.api.data.Property;
+import org.apache.olingo.commons.api.edm.EdmEntitySet;
+import org.apache.olingo.commons.api.edm.EdmPrimitiveType;
+import org.apache.olingo.commons.api.edm.EdmProperty;
+import org.apache.olingo.commons.api.format.ContentType;
+import org.apache.olingo.commons.api.http.HttpHeader;
+import org.apache.olingo.commons.api.http.HttpStatusCode;
+import org.apache.olingo.server.api.OData;
+import org.apache.olingo.server.api.ODataApplicationException;
+import org.apache.olingo.server.api.ODataRequest;
+import org.apache.olingo.server.api.ODataResponse;
+import org.apache.olingo.server.api.ServiceMetadata;
+import org.apache.olingo.server.api.deserializer.DeserializerException;
+import org.apache.olingo.server.api.processor.PrimitiveProcessor;
+import org.apache.olingo.server.api.serializer.ODataSerializer;
+import org.apache.olingo.server.api.serializer.PrimitiveSerializerOptions;
+import org.apache.olingo.server.api.serializer.SerializerException;
+import org.apache.olingo.server.api.serializer.SerializerResult;
+import org.apache.olingo.server.api.uri.UriInfo;
+import org.apache.olingo.server.api.uri.UriParameter;
+import org.apache.olingo.server.api.uri.UriResource;
+import org.apache.olingo.server.api.uri.UriResourceEntitySet;
+import org.apache.olingo.server.api.uri.UriResourceProperty;
+
+public class DemoPrimitiveProcessor implements PrimitiveProcessor {
+
+ private OData odata;
+ private Storage storage;
+ private ServiceMetadata serviceMetadata;
+
+ public DemoPrimitiveProcessor(Storage storage) {
+ this.storage = storage;
+ }
+
+ public void init(OData odata, ServiceMetadata serviceMetadata) {
+ this.odata = odata;
+ this.serviceMetadata = serviceMetadata;
+ }
+
+ /*
+ * In our example, the URL would be: http://localhost:8080/DemoService/DemoService.svc/Products(1)/Name
+ * and the response:
+ * {
+ * @odata.context: "$metadata#Products/Name",
+ * value: "Notebook Basic 15"
+ * }
+ * */
+ public void readPrimitive(ODataRequest request, ODataResponse response,UriInfo uriInfo, ContentType responseFormat)
+ throws ODataApplicationException, SerializerException {
+
+ // 1. Retrieve info from URI
+ // 1.1. retrieve the info about the requested entity set
+ List<UriResource> resourceParts = uriInfo.getUriResourceParts();
+ // Note: only in our example we can rely that the first segment is the EntitySet
+ UriResourceEntitySet uriEntityset = (UriResourceEntitySet) resourceParts.get(0);
+ EdmEntitySet edmEntitySet = uriEntityset.getEntitySet();
+ // the key for the entity
+ List<UriParameter> keyPredicates = uriEntityset.getKeyPredicates();
+
+ // 1.2. retrieve the requested (Edm) property
+ // the last segment is the Property
+ UriResourceProperty uriProperty = (UriResourceProperty)resourceParts.get(resourceParts.size() -1);
+ EdmProperty edmProperty = uriProperty.getProperty();
+ String edmPropertyName = edmProperty.getName();
+ // in our example, we know we have only primitive types in our model
+ EdmPrimitiveType edmPropertyType = (EdmPrimitiveType) edmProperty.getType();
+
+
+ // 2. retrieve data from backend
+ // 2.1. retrieve the entity data, for which the property has to be read
+ Entity entity = storage.readEntityData(edmEntitySet, keyPredicates);
+ if (entity == null) { // Bad request
+ throw new ODataApplicationException("Entity not found", HttpStatusCode.NOT_FOUND.getStatusCode(), Locale.ENGLISH);
+ }
+
+ // 2.2. retrieve the property data from the entity
+ Property property = entity.getProperty(edmPropertyName);
+ if (property == null) {
+ throw new ODataApplicationException("Property not found", HttpStatusCode.NOT_FOUND.getStatusCode(),
+ Locale.ENGLISH);
+ }
+
+ // 3. serialize
+ Object value = property.getValue();
+ if (value != null) {
+ // 3.1. configure the serializer
+ ODataSerializer serializer = odata.createSerializer(responseFormat);
+
+ ContextURL contextUrl = ContextURL.with().entitySet(edmEntitySet).navOrPropertyPath(edmPropertyName).build();
+ PrimitiveSerializerOptions options = PrimitiveSerializerOptions.with().contextURL(contextUrl).build();
+ // 3.2. serialize
+ SerializerResult serializerResult = serializer.primitive(serviceMetadata, edmPropertyType, property, options);
+ InputStream propertyStream = serializerResult.getContent();
+
+ //4. configure the response object
+ response.setContent(propertyStream);
+ response.setStatusCode(HttpStatusCode.OK.getStatusCode());
+ response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
+ } else {
+ // in case there's no value for the property, we can skip the serialization
+ response.setStatusCode(HttpStatusCode.NO_CONTENT.getStatusCode());
+ }
+ }
+
+
+
+ /*
+ * These processor methods are not handled in this tutorial
+ * */
+
+ public void updatePrimitive(ODataRequest request, ODataResponse response, UriInfo uriInfo, ContentType requestFormat,
+ ContentType responseFormat) throws ODataApplicationException, DeserializerException, SerializerException {
+ throw new ODataApplicationException("Not supported.", HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ROOT);
+ }
+
+ public void deletePrimitive(ODataRequest request, ODataResponse response, UriInfo uriInfo)
+ throws ODataApplicationException {
+ throw new ODataApplicationException("Not supported.", HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ROOT);
+ }
+}
http://git-wip-us.apache.org/repos/asf/olingo-odata4/blob/170d561c/samples/tutorials/p7_queryoptions-o/src/main/java/myservice/mynamespace/util/Util.java
----------------------------------------------------------------------
diff --git a/samples/tutorials/p7_queryoptions-o/src/main/java/myservice/mynamespace/util/Util.java b/samples/tutorials/p7_queryoptions-o/src/main/java/myservice/mynamespace/util/Util.java
new file mode 100644
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--- /dev/null
+++ b/samples/tutorials/p7_queryoptions-o/src/main/java/myservice/mynamespace/util/Util.java
@@ -0,0 +1,101 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package myservice.mynamespace.util;
+
+import java.util.List;
+import java.util.Locale;
+
+import org.apache.olingo.commons.api.data.Entity;
+import org.apache.olingo.commons.api.data.EntityCollection;
+import org.apache.olingo.commons.api.edm.EdmEntityType;
+import org.apache.olingo.commons.api.edm.EdmPrimitiveType;
+import org.apache.olingo.commons.api.edm.EdmPrimitiveTypeException;
+import org.apache.olingo.commons.api.edm.EdmProperty;
+import org.apache.olingo.commons.api.edm.EdmType;
+import org.apache.olingo.commons.api.http.HttpStatusCode;
+import org.apache.olingo.server.api.ODataApplicationException;
+import org.apache.olingo.server.api.uri.UriParameter;
+
+public class Util {
+
+ public static Entity findEntity(EdmEntityType edmEntityType, EntityCollection entitySet,
+ List<UriParameter> keyParams) throws ODataApplicationException {
+
+ List<Entity> entityList = entitySet.getEntities();
+
+ // loop over all entities in order to find that one that matches all keys in request
+ // e.g. contacts(ContactID=1, CompanyID=1)
+ for (Entity entity: entityList) {
+ boolean foundEntity = entityMatchesAllKeys(edmEntityType, entity, keyParams);
+ if (foundEntity) {
+ return entity;
+ }
+ }
+
+ return null;
+ }
+
+ public static boolean entityMatchesAllKeys(EdmEntityType edmEntityType, Entity entity, List<UriParameter> keyParams)
+ throws ODataApplicationException {
+
+ // loop over all keys
+ for (final UriParameter key : keyParams) {
+ // key
+ String keyName = key.getName();
+ String keyText = key.getText();
+
+ // Edm: we need this info for the comparison below
+ EdmProperty edmKeyProperty = (EdmProperty) edmEntityType.getProperty(keyName);
+ Boolean isNullable = edmKeyProperty.isNullable();
+ Integer maxLength = edmKeyProperty.getMaxLength();
+ Integer precision = edmKeyProperty.getPrecision();
+ Boolean isUnicode = edmKeyProperty.isUnicode();
+ Integer scale = edmKeyProperty.getScale();
+ // get the EdmType in order to compare
+ EdmType edmType = edmKeyProperty.getType();
+ EdmPrimitiveType edmPrimitiveType = (EdmPrimitiveType) edmType;
+
+ // Runtime data: the value of the current entity
+ // don't need to check for null, this is done in olingo library
+ Object valueObject = entity.getProperty(keyName).getValue();
+
+ // now need to compare the valueObject with the keyText String
+ // this is done using the type.valueToString
+ String valueAsString;
+ try {
+ valueAsString = edmPrimitiveType.valueToString(valueObject, isNullable, maxLength, precision, scale, isUnicode);
+ } catch (EdmPrimitiveTypeException e) {
+ throw new ODataApplicationException("Failed to retrieve String value", HttpStatusCode.INTERNAL_SERVER_ERROR
+ .getStatusCode(), Locale.ENGLISH, e);
+ }
+
+ if (valueAsString == null) {
+ return false;
+ }
+
+ boolean matches = valueAsString.equals(keyText);
+ if (!matches) {
+ // if any of the key properties is not found in the entity, we don't need to search further
+ return false;
+ }
+ }
+
+ return true;
+ }
+}