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Posted to dev@unomi.apache.org by sh...@apache.org on 2019/05/28 18:14:08 UTC
[unomi] 16/25: UNOMI-180 - Start building a new servlet that loads
the SDL schema and will combine it with dynamic type registration. -
Deactivated old graphql-java-servlet for the moment.
This is an automated email from the ASF dual-hosted git repository.
shuber pushed a commit to branch UNOMI-180-CXS-GRAPHQLAPI
in repository https://gitbox.apache.org/repos/asf/unomi.git
commit 79127c2f6997f6d5b15e4c77531d7cb7dfeb746d
Author: sergehuber <sh...@jahia.com>
AuthorDate: Sun May 12 22:12:14 2019 +0200
UNOMI-180
- Start building a new servlet that loads the SDL schema and will combine it with dynamic type registration.
- Deactivated old graphql-java-servlet for the moment.
---
.../unomi/graphql/internal/CDPSDLServletImpl.java | 105 +++++++++++++++++++++
.../{cdp-schema.sdl => cdp-schema.graphqls} | Bin
graphql/karaf-feature/pom.xml | 6 +-
3 files changed, 109 insertions(+), 2 deletions(-)
diff --git a/graphql/cxs-impl/src/main/java/org/apache/unomi/graphql/internal/CDPSDLServletImpl.java b/graphql/cxs-impl/src/main/java/org/apache/unomi/graphql/internal/CDPSDLServletImpl.java
new file mode 100644
index 0000000..dfd1ca6
--- /dev/null
+++ b/graphql/cxs-impl/src/main/java/org/apache/unomi/graphql/internal/CDPSDLServletImpl.java
@@ -0,0 +1,105 @@
+/*
+ * 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 org.apache.unomi.graphql.internal;
+
+import graphql.schema.GraphQLSchema;
+import graphql.schema.StaticDataFetcher;
+import graphql.schema.idl.RuntimeWiring;
+import graphql.schema.idl.SchemaGenerator;
+import graphql.schema.idl.SchemaParser;
+import graphql.schema.idl.TypeDefinitionRegistry;
+import org.osgi.framework.BundleContext;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Reference;
+
+import javax.servlet.ServletConfig;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.Reader;
+
+import static graphql.schema.idl.TypeRuntimeWiring.newTypeWiring;
+
+@Component(
+ service={javax.servlet.http.HttpServlet.class,javax.servlet.Servlet.class},
+ property = {"alias=/graphql", "jmx.objectname=graphql.servlet:type=graphql"}
+)
+public class CDPSDLServletImpl extends HttpServlet {
+
+ @Reference
+ private BundleContext bundleContext;
+
+ RuntimeWiring buildRuntimeWiring() {
+ return RuntimeWiring.newRuntimeWiring()
+ // .scalar(CustomScalar)
+ // this uses builder function lambda syntax
+ /*
+ .type("QueryType", typeWiring -> typeWiring
+ .dataFetcher("hero", new StaticDataFetcher(StarWarsData.getArtoo()))
+ .dataFetcher("human", StarWarsData.getHumanDataFetcher())
+ .dataFetcher("droid", StarWarsData.getDroidDataFetcher())
+ )
+ .type("Human", typeWiring -> typeWiring
+ .dataFetcher("friends", StarWarsData.getFriendsDataFetcher())
+ )
+ // you can use builder syntax if you don't like the lambda syntax
+ .type("Droid", typeWiring -> typeWiring
+ .dataFetcher("friends", StarWarsData.getFriendsDataFetcher())
+ )
+ // or full builder syntax if that takes your fancy
+ .type(
+ newTypeWiring("Character")
+ .typeResolver(StarWarsData.getCharacterTypeResolver())
+ .build()
+ )
+ */
+ .build();
+ }
+
+ @Override
+ public void init(ServletConfig config) throws ServletException {
+ super.init(config);
+
+ SchemaParser schemaParser = new SchemaParser();
+ SchemaGenerator schemaGenerator = new SchemaGenerator();
+
+ Reader schemaReader = getSchemaReader("cdp-schema.graphqls");
+ //File schemaFile2 = loadSchema("cdp-schema.graphqls");
+ //File schemaFile3 = loadSchema("cdp-schema.graphqls");
+
+ TypeDefinitionRegistry typeRegistry = new TypeDefinitionRegistry();
+
+ // each registry is merged into the main registry
+ typeRegistry.merge(schemaParser.parse(schemaReader));
+ //typeRegistry.merge(schemaParser.parse(schemaFile2));
+ //typeRegistry.merge(schemaParser.parse(schemaFile3));
+
+ RuntimeWiring wiring = buildRuntimeWiring();
+ GraphQLSchema graphQLSchema = schemaGenerator.makeExecutableSchema(typeRegistry, wiring);
+ }
+
+ private Reader getSchemaReader(String resourceUrl) {
+ try {
+ return new InputStreamReader(bundleContext.getBundle().getResource(resourceUrl).openConnection().getInputStream());
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ return null;
+ }
+}
diff --git a/graphql/cxs-impl/src/main/resources/cdp-schema.sdl b/graphql/cxs-impl/src/main/resources/cdp-schema.graphqls
similarity index 100%
rename from graphql/cxs-impl/src/main/resources/cdp-schema.sdl
rename to graphql/cxs-impl/src/main/resources/cdp-schema.graphqls
diff --git a/graphql/karaf-feature/pom.xml b/graphql/karaf-feature/pom.xml
index c051b18..0437dba 100644
--- a/graphql/karaf-feature/pom.xml
+++ b/graphql/karaf-feature/pom.xml
@@ -82,7 +82,7 @@
<version>1.0.2</version>
</dependency>
-
+<!--
<dependency>
<groupId>com.graphql-java-kickstart</groupId>
<artifactId>graphql-java-servlet</artifactId>
@@ -98,6 +98,7 @@
</exclusion>
</exclusions>
</dependency>
+-->
<dependency>
<groupId>com.graphql-java</groupId>
<artifactId>graphql-java</artifactId>
@@ -109,12 +110,13 @@
</exclusion>
</exclusions>
</dependency>
+<!--
<dependency>
<groupId>io.github.graphql-java</groupId>
<artifactId>graphql-java-annotations</artifactId>
<version>${graphql.java.annotations.version}</version>
</dependency>
-
+-->
<dependency>
<groupId>org.apache.unomi</groupId>
<artifactId>cdp-graphql-api-impl</artifactId>