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Posted to commits@clerezza.apache.org by re...@apache.org on 2015/04/14 15:13:16 UTC
[41/87] [abbrv] [partial] clerezza git commit: CLEREZZA-966: removed
platform. prefix of folder names
http://git-wip-us.apache.org/repos/asf/clerezza/blob/70220239/platform/content.representations/platform.content.representations.core/src/main/java/org/apache/clerezza/platform/content/representations/core/ThumbnailService.java
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diff --git a/platform/content.representations/platform.content.representations.core/src/main/java/org/apache/clerezza/platform/content/representations/core/ThumbnailService.java b/platform/content.representations/platform.content.representations.core/src/main/java/org/apache/clerezza/platform/content/representations/core/ThumbnailService.java
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+/*
+ * 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.clerezza.platform.content.representations.core;
+
+import java.net.URL;
+import java.util.Collections;
+import java.util.Enumeration;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.concurrent.locks.Lock;
+import javax.ws.rs.DefaultValue;
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.QueryParam;
+import javax.ws.rs.core.Context;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import javax.ws.rs.core.UriInfo;
+import org.apache.clerezza.jaxrs.utils.RedirectUtil;
+import org.apache.clerezza.platform.config.PlatformConfig;
+import org.apache.clerezza.platform.graphprovider.content.ContentGraphProvider;
+import org.apache.clerezza.rdf.core.Literal;
+import org.apache.clerezza.rdf.core.LiteralFactory;
+import org.apache.clerezza.rdf.core.Resource;
+import org.apache.clerezza.rdf.core.TypedLiteral;
+import org.apache.clerezza.rdf.core.UriRef;
+import org.apache.clerezza.rdf.ontologies.DISCOBITS;
+import org.apache.clerezza.rdf.ontologies.EXIF;
+import org.apache.clerezza.rdf.utils.GraphNode;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Property;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.Service;
+import org.apache.felix.scr.annotations.Services;
+import org.osgi.framework.Bundle;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.BundleEvent;
+import org.osgi.framework.BundleListener;
+import org.osgi.service.component.ComponentContext;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * This JAX-RS resource provides a method to retrieve the uri to
+ * the thumbnail or a other small representation of a InfoDiscoBit.
+ *
+ * @author mir
+ */
+@Component
+@Services({
+ @Service(Object.class),
+ @Service(ThumbnailService.class)
+})
+
+@Property(name = "javax.ws.rs", boolValue = true)
+@Path("thumbnail-service")
+public class ThumbnailService implements BundleListener {
+
+ @Reference
+ ContentGraphProvider cgProvider;
+ @Reference
+ PlatformConfig config;
+ @Reference
+ AlternativeRepresentationGenerator altRepGen;
+ private static final Logger log = LoggerFactory.getLogger(ThumbnailService.class);
+ private BundleContext bundleContext;
+ private String STATICWEB_PATH = "/CLEREZZA-INF/web-resources/style/";
+ private String MEDIA_TYPE_BASE_PATH = STATICWEB_PATH + "images/icons/mediatype/";
+ private Bundle cachedStyleBundle = null;
+ private Map<MediaType, String> mediaTypeIconUriCache =
+ Collections.synchronizedMap(new HashMap<MediaType, String>());
+
+ protected void activate(ComponentContext context) {
+ bundleContext = context.getBundleContext();
+ bundleContext.addBundleListener(this);
+ }
+
+ protected void deactivate(ComponentContext context) {
+ bundleContext.removeBundleListener(this);
+ bundleContext = null;
+ mediaTypeIconUriCache.clear();
+ }
+
+ /**
+ * Returns the thumbnail uri for a InfoDiscoBit which is located at the uri
+ * specified over the query parameter "uri". The thumbnails
+ * maximum width and height can optionally be specified over the query parameters
+ * "width" and "height". Futhermore there is the optional "exact" parameter,
+ * which specifies if the thumbnail must have the exact width and height as
+ * specified or not (default is "false"). If more than one acceptable thumbnail
+ * is available then the thumbnail uri of the thumbnail with the highest resolution
+ * (width * height) is returned. If no thumbnail is available and the logged
+ * in user has the write permission for the content graph, then an attempt is
+ * made to create the thumbnail on the fly. If this fails or the write permission
+ * is missing, then the uri of the icon representing the media type is returned.
+ * If also no media type icon is available the uri to default icon is returned.
+ *
+ * @param infoBitUri the uri of the infoDiscoBit of which the thumbnail uri should
+ * be returned
+ * @param height the maximum height that the thumbnail has
+ * @param width the maximum width that the thumbnail has
+ * @param exact boolean that specifies if the return thumbnail should have
+ * the exact width and height.
+ * @return
+ */
+ @GET
+ public Response getThumbnailUri(@QueryParam("uri") UriRef infoBitUri,
+ @QueryParam("width") Integer width, @QueryParam("height") Integer height,
+ @DefaultValue("false") @QueryParam("exact") Boolean exact, @Context UriInfo uriInfo) {
+ return RedirectUtil.createSeeOtherResponse(
+ getThumbnailUri(infoBitUri, width, height, exact).getUnicodeString(), uriInfo);
+ }
+
+
+ /**
+ * Returns the thumbnail uri for a InfoDiscoBit which is located at the uri
+ * specified over the query parameter "uri". The thumbnails
+ * maximum width and height can optionally be specified over the query parameters
+ * "width" and "height". If more than one acceptable thumbnail is available
+ * then the thumbnail uri of the thumbnail with the highest resolution
+ * (width * height) is returned. If no thumbnail is available and the logged
+ * in user has the write permission for the content graph, then an attempt is
+ * made to create the thumbnail on the fly. If this fails or the write permission
+ * is missing, then the uri of the icon representing the media type is returned.
+ * If also no media type icon is available the uri to default icon is returned.
+ *
+ * @param infoBitUri the uri of the infoDiscoBit of which the thumbnail uri should
+ * be returned
+ * @param height the maximum height that the thumbnail has
+ * @param width the maximum width that the thumbnail has
+ * @return
+ */
+ public UriRef getThumbnailUri(UriRef infoBitUri, Integer width, Integer height) {
+ return getThumbnailUri(infoBitUri, width, height, false);
+ }
+
+ /**
+ * Returns the thumbnail uri for a InfoDiscoBit which is located at the uri
+ * specified over the query parameter "uri". The thumbnails
+ * maximum width and height can optionally be specified over the query parameters
+ * "width" and "height". Futhermore there is the optional "exact" parameter,
+ * which specifies if the thumbnail must have the exact width and height as
+ * specified or not. If more than one acceptable thumbnail is available then
+ * the thumbnail uri of the thumbnail with the highest resolution (width * height)
+ * is returned. If no thumbnail is available and the logged in user has the write
+ * permission for the content graph, then an attempt is made to create the
+ * thumbnail on the fly. If this fails or the write permission is missing, then
+ * the uri of the icon representing the media type is returned. If also no
+ * media type icon is available the uri to default icon is returned.
+ *
+ * @param infoBitUri the uri of the infoDiscoBit of which the thumbnail uri should
+ * be returned
+ * @param height the maximum height that the thumbnail has
+ * @param width the maximum width that the thumbnail has
+ * @param exact boolean that specifies if the return thumbnail should have
+ * the exact width and height.
+ * @return
+ */
+ public UriRef getThumbnailUri(UriRef infoBitUri, Integer width, Integer height,
+ boolean exact) {
+ if ((width == null) && (height == null)) {
+ throw new IllegalArgumentException("height and/or width must be specified");
+ }
+ if (width == null) {
+ width = Integer.MAX_VALUE;
+ }
+ if (height == null) {
+ height = Integer.MAX_VALUE;
+ }
+ GraphNode infoBitNode = new GraphNode(infoBitUri, cgProvider.getContentGraph());
+ UriRef thumbnailUri = getGeneratedThumbnailUri(infoBitNode, width, height, exact);
+ if (thumbnailUri == null) {
+ Literal mediaTypeLiteral = null;
+ Lock readLock = infoBitNode.readLock();
+ readLock.lock();
+ try {
+ Iterator<Resource> mediaTypes = infoBitNode.getObjects(DISCOBITS.mediaType);
+ if (mediaTypes.hasNext()) {
+ mediaTypeLiteral = (Literal) mediaTypes.next();
+ }
+ } finally {
+ readLock.unlock();
+ }
+ if (mediaTypeLiteral != null) {
+ MediaType mediaType = MediaType.valueOf(mediaTypeLiteral.getLexicalForm());
+ // if the infoBit is an image, create a thumbnail on the fly.
+ if (mediaType.getType().startsWith("image")) {
+ try {
+ thumbnailUri = altRepGen.generateAlternativeImage(infoBitNode, width,
+ height, exact);
+ } catch (Exception ex) {
+ ex.printStackTrace();
+ // Was worth a try. eLets go on
+ }
+ }
+ if (thumbnailUri == null) {
+ String iconUri = mediaTypeIconUriCache.get(mediaType);
+ if (iconUri == null) {
+ iconUri = getMediaTypeIconUri(mediaType);
+ mediaTypeIconUriCache.put(mediaType, iconUri);
+ }
+ thumbnailUri = new UriRef(iconUri);
+ }
+ }
+ }
+ if (thumbnailUri == null) {
+ thumbnailUri = new UriRef(getDefaultIconUrl(getStyleBundle()));
+ }
+ return thumbnailUri;
+ }
+
+ private String getMediaTypeIconUri(MediaType mediaType) {
+ Bundle styleBundle = getStyleBundle();
+ if (styleBundle == null) {
+ throw new RuntimeException("no style bundle found");
+ }
+ String path = MEDIA_TYPE_BASE_PATH + mediaType.getType() + "/";
+ Enumeration entries = styleBundle.findEntries(path,
+ mediaType.getSubtype() + ".*", false);
+ String iconUri = createIconUri(entries);
+ if (iconUri != null) {
+ return iconUri;
+ }
+ entries = styleBundle.findEntries(path, "any.*", false);
+ iconUri = createIconUri(entries);
+ if (iconUri != null) {
+ return iconUri;
+ }
+ return getDefaultIconUrl(styleBundle);
+ }
+
+ private String getDefaultIconUrl(Bundle bundle) {
+ Enumeration entries = bundle.findEntries(MEDIA_TYPE_BASE_PATH, "any.*", false);
+ String iconUri = createIconUri(entries);
+ if (iconUri != null) {
+ return iconUri;
+ } else {
+ throw new RuntimeException("No default icon found");
+ }
+ }
+
+ private String createIconUri(Enumeration entries) {
+ if (entries != null && entries.hasMoreElements()) {
+ URL iconUrl = (URL) entries.nextElement();
+ return iconUrl.getPath().replace(STATICWEB_PATH, "style/");
+ }
+ return null;
+ }
+
+ private UriRef getGeneratedThumbnailUri(GraphNode infoBitNode,
+ Integer width, Integer height, boolean exact) {
+ if (isFittingImage(infoBitNode, width, height, exact)) {
+ return (UriRef) infoBitNode.getNode();
+ }
+ UriRef resultThumbnailUri = null;
+ int pixels = 0;
+ Lock readLock = infoBitNode.readLock();
+ readLock.lock();
+ try {
+ Iterator<Resource> thumbnails = infoBitNode.getObjects(DISCOBITS.thumbnail);
+ while (thumbnails.hasNext()) {
+ UriRef thumbnailUri = (UriRef) thumbnails.next();
+ GraphNode thumbnailNode = new GraphNode(thumbnailUri,
+ cgProvider.getContentGraph());
+ int thumbnailPixels = getSurfaceSizeIfFitting(thumbnailNode, width, height, exact);
+ if (thumbnailPixels > pixels) {
+ if (exact) {
+ return thumbnailUri;
+ }
+ resultThumbnailUri = thumbnailUri;
+ pixels = thumbnailPixels;
+ }
+ }
+ } finally {
+ readLock.unlock();
+ }
+ return resultThumbnailUri;
+ }
+
+ /**
+ * returns the surface in pixel if the image fits withing width and height,
+ * or -1 if it doesn't fit
+ */
+ private int getSurfaceSizeIfFitting(GraphNode infoBitNode, Integer width, Integer height,
+ boolean exact) {
+ Resource imageRes = infoBitNode.getNode();
+ if (imageRes instanceof UriRef) {
+ String imageUri = ((UriRef)imageRes).getUnicodeString();
+ if (!exact && imageUri.contains(AlternativeRepresentationGenerator.EXACT_APPENDIX)) {
+ return -1;
+ }
+ }
+ Iterator<Resource> exifWidths = infoBitNode.getObjects(EXIF.width);
+ Iterator<Resource> exifHeights = infoBitNode.getObjects(EXIF.height);
+ if (!exifWidths.hasNext() || !exifHeights.hasNext()) {
+ log.warn(infoBitNode.getNode() + " doesn't have exif:width and exif:height");
+ return -1;
+ }
+ int thumbnailWidth = LiteralFactory.getInstance().createObject(
+ Integer.class, (TypedLiteral) exifWidths.next());
+ int thumbnailHeight = LiteralFactory.getInstance().createObject(
+ Integer.class, (TypedLiteral) exifHeights.next());
+ if (exact) {
+ if (thumbnailHeight == height && thumbnailWidth == width) {
+ return 1;
+ }
+ } else {
+ if (thumbnailHeight <= height && thumbnailWidth <= width) {
+ return thumbnailWidth * thumbnailHeight;
+ }
+ }
+ return -1;
+ }
+
+ /**
+ * returns true if infoBitNode is an image and fits
+ */
+ private boolean isFittingImage(GraphNode infoBitNode, Integer width, Integer height,
+ boolean exact) {
+ Lock readLock = infoBitNode.readLock();
+ readLock.lock();
+ try {
+ final Iterator<Literal> mediaTypesIter = infoBitNode.getLiterals(DISCOBITS.mediaType);
+ if (!mediaTypesIter.hasNext()) {
+ return false;
+ }
+ if (mediaTypesIter.next().getLexicalForm().startsWith("image")) {
+ return getSurfaceSizeIfFitting(infoBitNode, width, height, exact) > -1;
+ } else {
+ return false;
+ }
+ } finally {
+ readLock.unlock();
+ }
+ }
+
+ private synchronized Bundle getStyleBundle() {
+ if (cachedStyleBundle != null) {
+ return cachedStyleBundle;
+ }
+ Bundle[] bundles = bundleContext.getBundles();
+ for (Bundle bundle : bundles) {
+ URL staticWebPathURL = bundle.getEntry(STATICWEB_PATH);
+ if (staticWebPathURL != null) {
+ cachedStyleBundle = bundle;
+ return bundle;
+ }
+ }
+ return null;
+ }
+
+ @Override
+ public synchronized void bundleChanged(BundleEvent be) {
+ if (be.getType() == BundleEvent.UNINSTALLED
+ && be.getBundle().equals(cachedStyleBundle)) {
+ cachedStyleBundle = null;
+ cachedStyleBundle = getStyleBundle();
+ mediaTypeIconUriCache.clear();
+ }
+ }
+}
http://git-wip-us.apache.org/repos/asf/clerezza/blob/70220239/platform/content.representations/platform.content.representations.ontologies/LICENSE
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diff --git a/platform/content.representations/platform.content.representations.ontologies/LICENSE b/platform/content.representations/platform.content.representations.ontologies/LICENSE
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+++ b/platform/content.representations/platform.content.representations.ontologies/LICENSE
@@ -0,0 +1,201 @@
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
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http://git-wip-us.apache.org/repos/asf/clerezza/blob/70220239/platform/content.representations/platform.content.representations.ontologies/pom.xml
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diff --git a/platform/content.representations/platform.content.representations.ontologies/pom.xml b/platform/content.representations/platform.content.representations.ontologies/pom.xml
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?><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">
+<!--
+
+ 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.
+
+-->
+
+ <modelVersion>4.0.0</modelVersion>
+ <parent>
+ <groupId>org.apache.clerezza</groupId>
+ <artifactId>platform.content.representations</artifactId>
+ <version>0.2</version>
+ </parent>
+ <groupId>org.apache.clerezza</groupId>
+ <artifactId>platform.content.representations.ontologies</artifactId>
+ <version>1.0.0-SNAPSHOT</version>
+ <packaging>bundle</packaging>
+ <name>Clerezza - Platform Content Representations Ontologies</name>
+ <description>
+ Representations Ontologies
+ </description>
+ <dependencies>
+ <dependency>
+ <groupId>org.apache.clerezza</groupId>
+ <artifactId>rdf.core</artifactId>
+ <version>0.14</version>
+ </dependency>
+ </dependencies>
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.clerezza</groupId>
+ <artifactId>maven-ontologies-plugin</artifactId>
+ <executions>
+ <execution>
+ <phase>generate-sources</phase>
+ <configuration>
+ <resourcePath>${basedir}/src/main/resources</resourcePath>
+ <sources>
+ <source>${basedir}/target/generated-sources/main/java</source>
+ </sources>
+ </configuration>
+ <goals>
+ <goal>generate</goal>
+ </goals>
+ </execution>
+ </executions>
+ <version>0.4</version>
+ </plugin>
+ </plugins>
+ </build>
+</project>
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/clerezza/blob/70220239/platform/content.representations/platform.content.representations.ontologies/src/main/resources/org/apache/clerezza/platform/content/representations/ontologies/representations.rdf
----------------------------------------------------------------------
diff --git a/platform/content.representations/platform.content.representations.ontologies/src/main/resources/org/apache/clerezza/platform/content/representations/ontologies/representations.rdf b/platform/content.representations/platform.content.representations.ontologies/src/main/resources/org/apache/clerezza/platform/content/representations/ontologies/representations.rdf
new file mode 100644
index 0000000..01e604d
--- /dev/null
+++ b/platform/content.representations/platform.content.representations.ontologies/src/main/resources/org/apache/clerezza/platform/content/representations/ontologies/representations.rdf
@@ -0,0 +1,52 @@
+<?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.
+
+-->
+
+<rdf:RDF
+ xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+ xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
+ xmlns:owl="http://www.w3.org/2002/07/owl#"
+ xmlns:dc="http://purl.org/dc/elements/1.1/"
+ xmlns:skos="http://www.w3.org/2008/05/skos#"
+>
+
+<!-- Ontology -->
+
+<owl:Ontology rdf:about="http://clerezza.org/2009/12/representations#">
+ <owl:versionInfo>Revision: 0.1</owl:versionInfo>
+ <dc:title xml:lang="en">
+ Clerezza Content Representations
+ </dc:title>
+</owl:Ontology>
+
+
+<!-- Properties -->
+
+<rdf:Property rdf:about="http://clerezza.org/2009/12/representations#isIconFor">
+ <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#DatatypeProperty" />
+ <rdfs:label xml:lang="en">is icon for</rdfs:label>
+ <skos:definition xml:lang="en">Points to a string specifying the resource type for which the subject is an icon.</skos:definition>
+ <rdfs:isDefinedBy rdf:resource="http://clerezza.org/2009/12/representations#" />
+ <rdfs:domain rdf:resource="http://xmlns.com/foaf/0.1/Image" />
+ <rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#string" />
+</rdf:Property>
+</rdf:RDF>
+
http://git-wip-us.apache.org/repos/asf/clerezza/blob/70220239/platform/content.representations/pom.xml
----------------------------------------------------------------------
diff --git a/platform/content.representations/pom.xml b/platform/content.representations/pom.xml
new file mode 100644
index 0000000..0327c26
--- /dev/null
+++ b/platform/content.representations/pom.xml
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?><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">
+<!--
+
+ 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.
+
+-->
+
+ <modelVersion>4.0.0</modelVersion>
+ <parent>
+ <groupId>org.apache.clerezza</groupId>
+ <artifactId>clerezza</artifactId>
+ <version>0.5</version>
+ <relativePath>../parent</relativePath>
+ </parent>
+ <groupId>org.apache.clerezza</groupId>
+ <artifactId>platform.content.representations</artifactId>
+ <packaging>pom</packaging>
+ <version>1.0.0-SNAPSHOT</version>
+ <name>Clerezza - Platform Content Representations</name>
+ <description>Provides services for creating and retrieving alternative representations of content.</description>
+
+ <modules>
+ <module>platform.content.representations.ontologies</module>
+ <module>platform.content.representations.core</module>
+ </modules>
+</project>
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/clerezza/blob/70220239/platform/content/LICENSE
----------------------------------------------------------------------
diff --git a/platform/content/LICENSE b/platform/content/LICENSE
new file mode 100644
index 0000000..261eeb9
--- /dev/null
+++ b/platform/content/LICENSE
@@ -0,0 +1,201 @@
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
+
+ "License" shall mean the terms and conditions for use, reproduction,
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+ "Work" shall mean the work of authorship, whether in Source or
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+ "Contribution" shall mean any work of authorship, including
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+ 5. Submission of Contributions. Unless You explicitly state otherwise,
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+ 6. Trademarks. This License does not grant permission to use the trade
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+ 7. Disclaimer of Warranty. Unless required by applicable law or
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+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
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+ on Your own behalf and on Your sole responsibility, not on behalf
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+
+ APPENDIX: How to apply the Apache License to your work.
+
+ To apply the Apache License to your work, attach the following
+ boilerplate notice, with the fields enclosed by brackets "[]"
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+
+ Unless required by applicable law or agreed to in writing, software
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+ See the License for the specific language governing permissions and
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http://git-wip-us.apache.org/repos/asf/clerezza/blob/70220239/platform/content/pom.xml
----------------------------------------------------------------------
diff --git a/platform/content/pom.xml b/platform/content/pom.xml
new file mode 100644
index 0000000..0cb5e24
--- /dev/null
+++ b/platform/content/pom.xml
@@ -0,0 +1,154 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?><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">
+<!--
+
+ 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.
+
+-->
+
+ <modelVersion>4.0.0</modelVersion>
+
+ <parent>
+ <groupId>org.apache.clerezza</groupId>
+ <artifactId>clerezza</artifactId>
+ <version>0.5</version>
+ <relativePath>../parent</relativePath>
+ </parent> <groupId>org.apache.clerezza</groupId>
+ <artifactId>platform.content</artifactId>
+ <version>1.0.0-SNAPSHOT</version>
+ <packaging>bundle</packaging>
+
+ <name>Clerezza - Platform Content</name>
+ <description>Clerezza CMS - A handler to manage and access data modeled using
+ the discobits ontology</description>
+ <dependencies>
+ <dependency>
+ <groupId>org.osgi</groupId>
+ <artifactId>org.osgi.core</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.osgi</groupId>
+ <artifactId>org.osgi.compendium</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>javax.ws.rs</groupId>
+ <artifactId>jsr311-api</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.clerezza</groupId>
+ <artifactId>rdf.core</artifactId>
+ <version>0.14</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.clerezza</groupId>
+ <artifactId>platform.typehandlerspace</artifactId>
+ <version>0.9</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.clerezza</groupId>
+ <artifactId>rdf.utils</artifactId>
+ <version>0.14</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.clerezza</groupId>
+ <artifactId>rdf.ontologies</artifactId>
+ <version>0.12</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.clerezza</groupId>
+ <artifactId>platform.graphprovider.content</artifactId>
+ <version>0.7</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.clerezza</groupId>
+ <artifactId>platform.graphnodeprovider</artifactId>
+ <version>0.2</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.clerezza</groupId>
+ <artifactId>platform.typerendering.seedsnipe</artifactId>
+ <version>0.7</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.clerezza</groupId>
+ <artifactId>web.fileserver</artifactId>
+ <exclusions>
+ <exclusion>
+ <artifactId>javax.servlet</artifactId>
+ <groupId>org.apache.felix</groupId>
+ </exclusion>
+ </exclusions>
+ <version>0.10</version>
+ </dependency>
+ <dependency>
+ <groupId>org.wymiwyg</groupId>
+ <artifactId>wymiwyg-commons-core</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.clerezza</groupId>
+ <artifactId>jaxrs.utils</artifactId>
+ <version>0.9</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.felix</groupId>
+ <artifactId>org.apache.felix.scr.annotations</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.clerezza</groupId>
+ <artifactId>platform.config</artifactId>
+ <version>0.4</version>
+ </dependency>
+ <!-- <dependency>
+ <groupId>org.apache.clerezza</groupId>
+ <artifactId>platform.security</artifactId>
+ </dependency> -->
+ <dependency>
+ <groupId>org.apache.clerezza</groupId>
+ <artifactId>platform.typerendering.scalaserverpages</artifactId>
+ <version>0.4</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.clerezza</groupId>
+ <artifactId>rdf.metadata</artifactId>
+ <version>0.2</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.clerezza</groupId>
+ <artifactId>rdf.core.test</artifactId>
+ <scope>test</scope>
+ <version>0.15</version>
+ </dependency>
+ <dependency>
+ <groupId>junit</groupId>
+ <artifactId>junit</artifactId>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.clerezza.ext</groupId>
+ <artifactId>slf4j-scala-api</artifactId>
+ <version>1.6.3</version>
+ </dependency>
+ </dependencies>
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>net.sf.alchim</groupId>
+ <artifactId>yuicompressor-maven-plugin</artifactId>
+ </plugin>
+ </plugins>
+ </build>
+</project>
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/clerezza/blob/70220239/platform/content/src/main/java/org/apache/clerezza/platform/content/AbstractDiscobitsHandler.java
----------------------------------------------------------------------
diff --git a/platform/content/src/main/java/org/apache/clerezza/platform/content/AbstractDiscobitsHandler.java b/platform/content/src/main/java/org/apache/clerezza/platform/content/AbstractDiscobitsHandler.java
new file mode 100644
index 0000000..e605c40
--- /dev/null
+++ b/platform/content/src/main/java/org/apache/clerezza/platform/content/AbstractDiscobitsHandler.java
@@ -0,0 +1,151 @@
+/*
+ * 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.clerezza.platform.content;
+
+import org.apache.clerezza.rdf.metadata.MetaDataGenerator;
+import java.util.HashSet;
+import java.util.Iterator;
+
+import java.util.Set;
+import java.util.concurrent.locks.Lock;
+import javax.ws.rs.core.MediaType;
+import org.apache.clerezza.platform.content.collections.CollectionCreator;
+
+import org.apache.clerezza.rdf.core.LiteralFactory;
+import org.apache.clerezza.rdf.core.MGraph;
+import org.apache.clerezza.rdf.core.NonLiteral;
+import org.apache.clerezza.rdf.core.Triple;
+import org.apache.clerezza.rdf.core.TypedLiteral;
+import org.apache.clerezza.rdf.core.UriRef;
+import org.apache.clerezza.rdf.core.access.LockableMGraph;
+import org.apache.clerezza.rdf.ontologies.DISCOBITS;
+import org.apache.clerezza.rdf.ontologies.RDF;
+import org.apache.clerezza.rdf.utils.GraphNode;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ *
+ * @author reto
+ */
+public abstract class AbstractDiscobitsHandler implements DiscobitsHandler {
+
+ private static final Logger logger = LoggerFactory.getLogger(AbstractDiscobitsHandler.class);
+
+ /**
+ *
+ * @return the MGraph to be used to retrieve and create discobits
+ */
+ protected abstract MGraph getMGraph();
+
+ /**
+ * A <code>Set</code> containing <code>MetaDataGenerator</code>s to be used
+ * to add meta data to data putted by the handler.
+ *
+ * @return a Set containing meta data generators
+ */
+ protected abstract Set<MetaDataGenerator> getMetaDataGenerators();
+
+
+ @Override
+ public void put(UriRef infoDiscoBitUri, MediaType mediaType,
+ byte[] data) {
+
+ GraphNode infoDiscoBitNode;
+ final LockableMGraph mGraph = (LockableMGraph) getMGraph();
+ infoDiscoBitNode = new GraphNode(infoDiscoBitUri, mGraph);
+ CollectionCreator collectionCreator = new CollectionCreator(mGraph);
+ collectionCreator.createContainingCollections(infoDiscoBitUri);
+ Lock writeLock = mGraph.getLock().writeLock();
+ writeLock.lock();
+ try {
+ infoDiscoBitNode.addProperty(RDF.type, DISCOBITS.InfoDiscoBit);
+ TypedLiteral dataLiteral = LiteralFactory.getInstance().createTypedLiteral(data);
+ infoDiscoBitNode.deleteProperties(DISCOBITS.infoBit);
+ infoDiscoBitNode.addProperty(DISCOBITS.infoBit, dataLiteral);
+ TypedLiteral mediaTypeLiteral = LiteralFactory.getInstance().createTypedLiteral(mediaType.toString());
+ infoDiscoBitNode.deleteProperties(DISCOBITS.mediaType);
+ infoDiscoBitNode.addProperty(DISCOBITS.mediaType,mediaTypeLiteral);
+ } finally {
+ writeLock.unlock();
+ }
+ Set<MetaDataGenerator> metaDataGenerators = getMetaDataGenerators();
+ synchronized(metaDataGenerators) {
+ for(MetaDataGenerator generator : metaDataGenerators) {
+ try {
+ generator.generate(infoDiscoBitNode, data, mediaType);
+ } catch (RuntimeException ex) {
+ logger.error("Exception in MetaDataGenerator ", ex);
+ }
+ }
+ }
+ }
+
+ @Override
+ public void remove(NonLiteral node) {
+ MGraph mGraph = getMGraph();
+ Iterator<Triple> properties = mGraph.filter(node, null, null);
+ //copying properties to set, as we're modifying underlying graph
+ Set<Triple> propertiesSet = new HashSet<Triple>();
+ while (properties.hasNext()) {
+ propertiesSet.add(properties.next());
+ }
+ properties = propertiesSet.iterator();
+ while (properties.hasNext()) {
+ Triple triple = properties.next();
+ UriRef predicate = triple.getPredicate();
+ if (predicate.equals(DISCOBITS.contains)) {
+ try {
+ GraphNode containedNode = new GraphNode((NonLiteral)triple.getObject(), mGraph);
+ //The following includes triple
+ containedNode.deleteNodeContext();
+ } catch (ClassCastException e) {
+ throw new RuntimeException("The value of "+predicate+" is expected not to be a literal");
+ }
+ //as some other properties of node could have been in the context of the object
+ remove(node);
+ return;
+ }
+ }
+ GraphNode graphNode = new GraphNode(node, mGraph);
+ graphNode.deleteNodeContext();
+ }
+
+ @Override
+ public byte[] getData(UriRef uriRef) {
+ MGraph mGraph = getMGraph();
+ GraphNode node = new GraphNode(uriRef, mGraph);
+ final InfoDiscobit infoDiscobit = InfoDiscobit.createInstance(node);
+ if (infoDiscobit == null) {
+ return null;
+ }
+ return infoDiscobit.getData();
+ }
+
+ @Override
+ public MediaType getMediaType(UriRef uriRef) {
+ MGraph mGraph = getMGraph();
+ GraphNode node = new GraphNode(uriRef, mGraph);
+ final InfoDiscobit infoDiscobit = InfoDiscobit.createInstance(node);
+ if (infoDiscobit == null) {
+ return null;
+ }
+ return MediaType.valueOf(infoDiscobit.getContentType());
+ }
+}
http://git-wip-us.apache.org/repos/asf/clerezza/blob/70220239/platform/content/src/main/java/org/apache/clerezza/platform/content/CollectionTypeHandler.java
----------------------------------------------------------------------
diff --git a/platform/content/src/main/java/org/apache/clerezza/platform/content/CollectionTypeHandler.java b/platform/content/src/main/java/org/apache/clerezza/platform/content/CollectionTypeHandler.java
new file mode 100644
index 0000000..5bcf1af
--- /dev/null
+++ b/platform/content/src/main/java/org/apache/clerezza/platform/content/CollectionTypeHandler.java
@@ -0,0 +1,164 @@
+/*
+ * Copyright (c) 2008-2009 trialox.org (trialox AG, Switzerland).
+ *
+ * Licensed 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.clerezza.platform.content;
+
+import java.net.URL;
+import java.util.Map;
+import javax.ws.rs.GET;
+import javax.ws.rs.core.Context;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import javax.ws.rs.core.UriInfo;
+
+import org.apache.clerezza.platform.content.WebDavUtils.PropertyMap;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Property;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.Service;
+import org.apache.clerezza.platform.content.webdav.COPY;
+import org.apache.clerezza.platform.content.webdav.LOCK;
+import org.apache.clerezza.platform.content.webdav.UNLOCK;
+import org.apache.clerezza.platform.typehandlerspace.SupportedTypes;
+import org.apache.clerezza.platform.typerendering.RenderletManager;
+import org.apache.clerezza.platform.typerendering.scalaserverpages.ScalaServerPagesRenderlet;
+import org.apache.clerezza.rdf.core.MGraph;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+import org.apache.clerezza.rdf.core.UriRef;
+import org.apache.clerezza.rdf.core.impl.SimpleMGraph;
+import org.apache.clerezza.rdf.ontologies.HIERARCHY;
+import org.apache.clerezza.rdf.ontologies.PLATFORM;
+import org.apache.clerezza.rdf.ontologies.RDF;
+import org.apache.clerezza.rdf.utils.GraphNode;
+import org.apache.clerezza.rdf.utils.UnionMGraph;
+import org.apache.felix.scr.annotations.Services;
+import org.osgi.service.component.ComponentContext;
+
+/**
+ * Provides HTTP Methods for WebDav
+ *
+ * @author ali
+ */
+
+@Component
+@Services({
+ @Service(Object.class),
+ @Service(CollectionTypeHandler.class)
+})
+@Property(name = "org.apache.clerezza.platform.typehandler", boolValue = true)
+@SupportedTypes(types = { "http://clerezza.org/2009/09/hierarchy#Collection" }, prioritize = true)
+public class CollectionTypeHandler extends DiscobitsTypeHandler{
+
+ private Logger logger = LoggerFactory.getLogger(CollectionTypeHandler.class);
+
+ @Reference
+ private RenderletManager renderletManager;
+
+ /**
+ * The activate method is called when SCR activates the component configuration.
+ * This method gets the system graph or create a new one if it doesn't exist.
+ *
+ * @param componentContext
+ */
+ protected void activate(ComponentContext componentContext) {
+ URL templateURL = getClass().getResource("collection.ssp");
+ renderletManager.registerRenderlet(ScalaServerPagesRenderlet.class.getName(),
+ new UriRef(templateURL.toString()), HIERARCHY.Collection,
+ "naked", MediaType.APPLICATION_XHTML_XML_TYPE, true);
+
+ logger.info("CollectionTypeHandler activated.");
+ }
+
+ /**
+ * Returns a GraphNode of the requested collection
+ * @return
+ */
+ @GET
+ @Override
+ public GraphNode getResource(@Context UriInfo uriInfo) {
+ final MGraph contentGraph = cgProvider.getContentGraph();
+ final String uriString = uriInfo.getAbsolutePath().toString();
+ final UriRef indexUri = new UriRef(uriString+"index");
+ if (contentGraph.filter(indexUri, null, null).hasNext()) {
+ return new GraphNode(indexUri, contentGraph);
+ }
+ final UriRef uri = new UriRef(uriString);
+ MGraph mGraph = new UnionMGraph(new SimpleMGraph(), contentGraph);
+ final GraphNode graphNode = new GraphNode(uri, mGraph);
+ graphNode.addProperty(RDF.type, PLATFORM.HeadedPage);
+
+ UriRef collectionUri = new UriRef(uriInfo.getAbsolutePath().toString());
+ return graphNode;
+ }
+
+ @Override
+ Map<UriRef, PropertyMap> getPropNames(GraphNode node, String depthHeader) {
+ return WebDavUtils.getCollectionProps(null, null, null, node,
+ depthHeader, false /* doesNotIncludeValues */);
+ }
+
+ @Override
+ Map<UriRef, PropertyMap> getPropsByName(Node requestNode, GraphNode node,
+ String depthHeader) {
+ Map<UriRef, PropertyMap> result;
+ NodeList children = requestNode.getChildNodes();
+ result = WebDavUtils.getPropsByName(children, node, depthHeader,
+ true /* includeValues */);
+ return result;
+ }
+
+ @Override
+ Map<UriRef, PropertyMap> getAllProps(GraphNode node, String depthHeader) {
+ return WebDavUtils.getCollectionProps(null, null, null, node,
+ depthHeader, true /* includeValues */);
+ }
+
+ /*-----------------------*
+ * Not Supported Methods *
+ *-----------------------*/
+
+ /**
+ * Locks a resource
+ *
+ * @return returns a 501 Not Implemented response
+ */
+ @LOCK
+ public Object lock() {
+ return Response.status(501/* Not Implemented */).build();
+ }
+
+ /**
+ * Unlocks a resource
+ *
+ * @return returns a 501 Not Implemented response
+ */
+ @UNLOCK
+ public Object unlock() {
+ return Response.status(501/* Not Implemented */).build();
+ }
+
+ /**
+ * Copies a resource
+ *
+ * @return returns a 501 Not Implemented response
+ */
+ @COPY
+ public Object copy() {
+ return Response.status(501/* Not Implemented */).build();
+ }
+}
http://git-wip-us.apache.org/repos/asf/clerezza/blob/70220239/platform/content/src/main/java/org/apache/clerezza/platform/content/ContentPostSupport.java
----------------------------------------------------------------------
diff --git a/platform/content/src/main/java/org/apache/clerezza/platform/content/ContentPostSupport.java b/platform/content/src/main/java/org/apache/clerezza/platform/content/ContentPostSupport.java
new file mode 100644
index 0000000..6a7db15
--- /dev/null
+++ b/platform/content/src/main/java/org/apache/clerezza/platform/content/ContentPostSupport.java
@@ -0,0 +1,98 @@
+/*
+ * 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.clerezza.platform.content;
+
+
+import java.net.URI;
+import java.util.concurrent.locks.Lock;
+import javax.ws.rs.Consumes;
+import javax.ws.rs.POST;
+import javax.ws.rs.Path;
+
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import org.apache.clerezza.jaxrs.utils.form.FormFile;
+import org.apache.clerezza.jaxrs.utils.form.MultiPartBody;
+import org.apache.clerezza.platform.graphprovider.content.ContentGraphProvider;
+import org.apache.clerezza.rdf.core.UriRef;
+import org.apache.clerezza.rdf.core.access.LockableMGraph;
+import org.apache.clerezza.rdf.ontologies.RDF;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Property;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.Service;
+
+/**
+ * This Jax-rs root resource provides a method to post content to the content
+ * graph
+ *
+ * @author mir
+ */
+@Component
+@Service(Object.class)
+@Property(name="javax.ws.rs", boolValue=true)
+@Path("content")
+public class ContentPostSupport {
+
+ @Reference
+ private DiscobitsHandler handler;
+
+ @Reference
+ private ContentGraphProvider cgProvider;
+
+ /**
+ * Creates an InfoDiscoBt (aka Binary Content) in the content graph.<br/>
+ * This JAX-RS method is available under the path "content". It requires
+ * a multipart/form-data with two fields: "content", which is the content of the
+ * InfoDiscobit to be created and "uri" which is the uri of the new
+ * InfoDiscoBit.
+ *
+ * @param form
+ * @return Returns a Created (201) response, if the info bit was successfully
+ * uploaded. Returns Bad Request (400) response, if required form fields are
+ * missing. Returns a Conflict (409) response, if at the specified URI a
+ * resource already exists.
+ */
+ @POST
+ @Consumes("multipart/form-data")
+ public Response postContent(MultiPartBody form) {
+ FormFile formFile = form.getFormFileParameterValues("content")[0];
+ String uri = form.getTextParameterValues("uri")[0];
+ byte[] content = formFile.getContent();
+ if (content == null || uri == null) {
+ return Response.status(400).entity("Required form field is missing").
+ type(MediaType.TEXT_PLAIN_TYPE).build();
+ }
+ LockableMGraph contentGraph = cgProvider.getContentGraph();
+ Lock readLock = contentGraph.getLock().readLock();
+ readLock.lock();
+ try {
+ if (contentGraph.filter(new UriRef(uri), RDF.type, null).hasNext()) {
+ return Response.status(Response.Status.CONFLICT).
+ entity("A resource with the specified URI already exists").
+ type(MediaType.TEXT_PLAIN_TYPE).build();
+ }
+ } finally {
+ readLock.unlock();
+ }
+ handler.put(new UriRef(uri), formFile.getMediaType(), content);
+ return Response.created(URI.create(uri)).build();
+ }
+
+}
http://git-wip-us.apache.org/repos/asf/clerezza/blob/70220239/platform/content/src/main/java/org/apache/clerezza/platform/content/DiscobitTemplating.java
----------------------------------------------------------------------
diff --git a/platform/content/src/main/java/org/apache/clerezza/platform/content/DiscobitTemplating.java b/platform/content/src/main/java/org/apache/clerezza/platform/content/DiscobitTemplating.java
new file mode 100644
index 0000000..3b45d62
--- /dev/null
+++ b/platform/content/src/main/java/org/apache/clerezza/platform/content/DiscobitTemplating.java
@@ -0,0 +1,77 @@
+/*
+ * 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.clerezza.platform.content;
+
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Reference;
+
+
+import javax.ws.rs.core.MediaType;
+
+import org.osgi.service.component.ComponentContext;
+import org.apache.clerezza.platform.typerendering.RenderletManager;
+import org.apache.clerezza.platform.typerendering.scalaserverpages.ScalaServerPagesRenderlet;
+import org.apache.clerezza.platform.typerendering.seedsnipe.SeedsnipeRenderlet;
+import org.apache.clerezza.rdf.core.UriRef;
+import org.apache.clerezza.rdf.ontologies.DISCOBITS;
+import org.apache.clerezza.rdf.ontologies.RDFS;
+
+/**
+ *
+ * @author tio
+ */
+@Component(immediate = true)
+public class DiscobitTemplating {
+
+ @Reference
+ RenderletManager renderletManager;
+
+ protected void activate(ComponentContext context) {
+
+ // register seedsnipe renderlets
+ renderletManager.registerRenderlet(SeedsnipeRenderlet.class.getName(),
+ new UriRef(getClass().getResource("Resource.xhtml").toString()),
+ RDFS.Resource, null, MediaType.APPLICATION_XHTML_XML_TYPE, true);
+
+ renderletManager.registerRenderlet(SeedsnipeRenderlet.class.getName(),
+ new UriRef(getClass().getResource("Resource_naked.xhtml").toString()),
+ RDFS.Resource, "(naked|.*-naked)", MediaType.APPLICATION_XHTML_XML_TYPE, true);
+
+ renderletManager.registerRenderlet(SeedsnipeRenderlet.class.getName(),
+ new UriRef(getClass().getResource("XHTML_InfoDiscoBit_naked.xhtml").toString()),
+ DISCOBITS.XHTMLInfoDiscoBit, "naked", MediaType.APPLICATION_XHTML_XML_TYPE, true);
+
+ renderletManager.registerRenderlet(SeedsnipeRenderlet.class.getName(),
+ new UriRef(getClass().getResource("OrderedContent_naked.xhtml").toString()),
+ DISCOBITS.OrderedContent, "naked", MediaType.APPLICATION_XHTML_XML_TYPE, true);
+
+ renderletManager.registerRenderlet(SeedsnipeRenderlet.class.getName(),
+ new UriRef(getClass().getResource("TitledContent.xhtml").toString()),
+ DISCOBITS.TitledContent, null, MediaType.APPLICATION_XHTML_XML_TYPE, true);
+
+ renderletManager.registerRenderlet(TitledContentRenderlet.class.getName(),
+ null, DISCOBITS.TitledContent, "naked", MediaType.APPLICATION_XHTML_XML_TYPE, true);
+
+ // registre renderlet for XMLLiteral datatype.
+ renderletManager.registerRenderlet(ScalaServerPagesRenderlet.class.getName(),
+ new UriRef(getClass().getResource("XmlLiteral.ssp").toString()),
+ new UriRef("http://www.w3.org/1999/02/22-rdf-syntax-ns#XMLLiteral"), null,
+ MediaType.APPLICATION_XHTML_XML_TYPE, true);
+ }
+}
http://git-wip-us.apache.org/repos/asf/clerezza/blob/70220239/platform/content/src/main/java/org/apache/clerezza/platform/content/DiscobitsHandler.java
----------------------------------------------------------------------
diff --git a/platform/content/src/main/java/org/apache/clerezza/platform/content/DiscobitsHandler.java b/platform/content/src/main/java/org/apache/clerezza/platform/content/DiscobitsHandler.java
new file mode 100644
index 0000000..2e3e441
--- /dev/null
+++ b/platform/content/src/main/java/org/apache/clerezza/platform/content/DiscobitsHandler.java
@@ -0,0 +1,70 @@
+/*
+ * 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.clerezza.platform.content;
+
+import javax.ws.rs.core.MediaType;
+
+import org.apache.clerezza.rdf.core.NonLiteral;
+import org.apache.clerezza.rdf.core.UriRef;
+
+/**
+ * Provides utility methods to create, retrieve and remove binary contents.
+ * Binary contents are modeled as InfoDiscoBit from the discobit ontology at
+ * http://discobits.org/ontology
+ *
+ * @author rbn
+ */
+public interface DiscobitsHandler {
+
+ /**
+ * Creates an InfoDiscoBit
+ *
+ * @param infoDiscoBitUri
+ * @param mediaType
+ * @param data
+ */
+ public abstract void put(UriRef infoDiscoBitUri, MediaType mediaType,
+ byte[] data);
+
+ /**
+ * Removes InfoDiscoBits (aka binary contents), other DiscoBits and
+ * the context of the specified node. If it is in a hierarchy then it
+ * will be removed also form its container.
+ *
+ * @param node
+ */
+ public abstract void remove(NonLiteral node);
+
+ /**
+ *
+ * @param uriRef
+ * @return the media type of the InfoDiscoBit with the specified URI or null
+ * if no MediaType for that URI is known
+ */
+ public MediaType getMediaType(UriRef uriRef);
+
+ /**
+ *
+ * @param uriRef
+ * @return a byte[] with the data of the InfoDiscoBit with the specified URI
+ * or null if no data for that URI is known
+ */
+ public byte[] getData(UriRef uriRef);
+
+}
\ No newline at end of file