Author: mir
Date: Tue Dec 22 18:48:50 2009
New Revision: 893269
URL: http://svn.apache.org/viewvc?rev=893269&view=rev
Log:
CLEREZZA-38: platform.content.representations is now a multimodule project.
implemented Thumbnails service
Added:
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.core/
(with props)
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.core/pom.xml
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.core/src/
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.core/src/main/
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.core/src/main/java/
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.core/src/main/java/org/
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.core/src/main/java/org/apache/
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.core/src/main/java/org/apache/clerezza/
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.core/src/main/java/org/apache/clerezza/platform/
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.core/src/main/java/org/apache/clerezza/platform/content/
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.core/src/main/java/org/apache/clerezza/platform/content/representations/
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.core/src/main/java/org/apache/clerezza/platform/content/representations/core/
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.core/src/main/java/org/apache/clerezza/platform/content/representations/core/AlternativeRepresentationGenerator.java
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.core/src/main/java/org/apache/clerezza/platform/content/representations/core/ThumbnailService.java
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.ontologies/
(with props)
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.ontologies/pom.xml
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.ontologies/src/
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.ontologies/src/main/
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.ontologies/src/main/resources/
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.ontologies/src/main/resources/org/
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.ontologies/src/main/resources/org/apache/
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.ontologies/src/main/resources/org/apache/clerezza/
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.ontologies/src/main/resources/org/apache/clerezza/platform/
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.ontologies/src/main/resources/org/apache/clerezza/platform/content/
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.ontologies/src/main/resources/org/apache/clerezza/platform/content/representations/
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.ontologies/src/main/resources/org/apache/clerezza/platform/content/representations/ontologies/
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.ontologies/src/main/resources/org/apache/clerezza/platform/content/representations/ontologies/representations.rdf
Removed:
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/src/
Modified:
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/pom.xml
Propchange:
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.core/
------------------------------------------------------------------------------
--- svn:ignore (added)
+++ svn:ignore Tue Dec 22 18:48:50 2009
@@ -0,0 +1 @@
+target
Added:
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.core/pom.xml
URL:
http://svn.apache.org/viewvc/incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.core/pom.xml?rev=893269&view=auto
==============================================================================
---
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.core/pom.xml
(added)
+++
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.core/pom.xml
Tue Dec 22 18:48:50 2009
@@ -0,0 +1,49 @@
+<?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";>
+ <modelVersion>4.0.0</modelVersion>
+ <parent>
+
<artifactId>org.apache.clerezza.platform.content.representations</artifactId>
+ <groupId>org.apache.clerezza</groupId>
+ <version>0.1-incubating-SNAPSHOT</version>
+ </parent>
+ <groupId>org.apache.clerezza</groupId>
+
<artifactId>org.apache.clerezza.platform.content.representations.core</artifactId>
+ <version>0.1-incubating-SNAPSHOT</version>
+ <packaging>bundle</packaging>
+ <name>Clerezza - Platform Content Representations Core</name>
+ <description>Provides a Meta Data Generator that generates alternative
+ representations for data of various meta types</description>
+ <dependencies>
+ <dependency>
+ <groupId>org.osgi</groupId>
+ <artifactId>org.osgi.compendium</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.clerezza</groupId>
+ <artifactId>org.apache.clerezza.rdf.core</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.clerezza</groupId>
+ <artifactId>org.apache.clerezza.rdf.utils</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.clerezza</groupId>
+
<artifactId>org.apache.clerezza.platform.content</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.clerezza</groupId>
+
<artifactId>org.apache.clerezza.utils.imageprocessing</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.clerezza</groupId>
+
<artifactId>org.apache.clerezza.web.resources.style</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.clerezza</groupId>
+
<artifactId>org.apache.clerezza.platform.content.representations.ontologies</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.felix</groupId>
+
<artifactId>org.apache.felix.scr.annotations</artifactId>
+ </dependency>
+ </dependencies>
+</project>
Added:
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.core/src/main/java/org/apache/clerezza/platform/content/representations/core/AlternativeRepresentationGenerator.java
URL:
http://svn.apache.org/viewvc/incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.core/src/main/java/org/apache/clerezza/platform/content/representations/core/AlternativeRepresentationGenerator.java?rev=893269&view=auto
==============================================================================
---
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.core/src/main/java/org/apache/clerezza/platform/content/representations/core/AlternativeRepresentationGenerator.java
(added)
+++
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.core/src/main/java/org/apache/clerezza/platform/content/representations/core/AlternativeRepresentationGenerator.java
Tue Dec 22 18:48:50 2009
@@ -0,0 +1,183 @@
+/*
+ * 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.awt.image.BufferedImage;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import javax.imageio.ImageIO;
+import javax.ws.rs.core.MediaType;
+import org.apache.clerezza.platform.content.DiscobitsHandler;
+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.rdf.core.UriRef;
+import org.apache.clerezza.utils.imageprocessing.ImageProcessor;
+import org.apache.clerezza.rdf.ontologies.DISCOBITS;
+import org.apache.clerezza.rdf.utils.GraphNode;
+import org.apache.clerezza.platform.content.MetaDataGenerator;
+import org.osgi.service.component.ComponentContext;
+import org.osgi.util.tracker.ServiceTracker;
+
+/**
+ * This class provides a method that generates a thumbnail for specified data
+ * if the specified media type is supported. The supported media types are
"image/*".
+ * The generated thumbnail is added as a property to the specified
+ * <code>GraphNode</code>. The property URI is
+ * "http://discobits.org/ontology#thumbnail";.
+ *
+ * @author mir
+ */
+...@component(metatype=true)
+...@service(MetaDataGenerator.class)
+public class AlternativeRepresentationGenerator implements MetaDataGenerator {
+
+ private static class Resolution {
+
+ private int width;
+
+ private int height;
+ /**
+ * Takes a String, which contains a resoultion in the format
+ * [width]x[height].
+ *
+ * @param resoulutionString
+ */
+ public Resolution(String resoulutionString) {
+ String[] widthAndHeight = resoulutionString.split("x");
+ width = new Integer(widthAndHeight[0]);
+ height = new Integer(widthAndHeight[1]);
+ }
+
+ public int getHeight() {
+ return height;
+ }
+
+ public int getWidth() {
+ return width;
+ }
+ }
+
+ @Reference
+ private ImageProcessor imageProcessor;
+ @Property(value="100x100", description="Specifies the resolutions of
alternative" +
+ " representations in the format [width]x[height].
Multiple resolutions" +
+ " are separated by comma (e.g. 100x100,30x30)")
+ public static final String RESOLUTIONS = "resolutions";
+
+ private volatile ServiceTracker discobitTracker;
+ private Resolution[] resolutions;
+
+ /**
+ * Indicates if data given to the AlternativeRepresentationGenerator is
a
+ * alternative representation itself and therefore does not have to
have a
+ * alternative representation generated for it.
+ */
+ private ThreadLocal<Boolean> isAltRepresentation = new
ThreadLocal<Boolean>() {
+
+ @Override
+ protected Boolean initialValue() {
+ return false;
+ }
+ };
+
+ protected void activate(ComponentContext context) {
+ setupResolutionArray((String)
context.getProperties().get(RESOLUTIONS));
+ discobitTracker = new ServiceTracker(context.getBundleContext(),
+ DiscobitsHandler.class.getName(), null);
+ new Thread() {
+ @Override
+ public void run() {
+ discobitTracker.open();
+ }
+ }.start();
+ }
+
+ private void setupResolutionArray(String resolutionsString) {
+ String[] resoultionStrings = resolutionsString.split(",");
+ resolutions = new Resolution[resoultionStrings.length];
+ for (int i = 0; i < resoultionStrings.length; i++) {
+ resolutions[i] = new
Resolution(resoultionStrings[i].trim());
+ }
+ }
+
+ protected void deactivate(ComponentContext context) {
+ discobitTracker.close();
+ discobitTracker = null;
+ }
+
+ @Override
+ public void generate(GraphNode node, byte[] data, MediaType mediaType) {
+ if (isAltRepresentation.get()) {
+ return;
+ }
+ if (mediaType.getType().startsWith("image")) {
+ try {
+ isAltRepresentation.set(Boolean.TRUE);
+ BufferedImage buffImage = ImageIO.read(new
ByteArrayInputStream(data));
+ int imgWidth = buffImage.getWidth();
+ int imgHeigth = buffImage.getHeight();
+ for (Resolution resolution : resolutions) {
+ if (imgWidth > resolution.getWidth() ||
+ imgHeigth >
resolution.getHeight()){
+ BufferedImage alternativeImage
= imageProcessor.makeAThumbnail(
+ buffImage,
resolution.getWidth(), resolution.getHeight());
+ byte[] alternativeImageBytes =
bufferedImage2ByteArray(alternativeImage, mediaType);
+ DiscobitsHandler contentHandler
= (DiscobitsHandler)discobitTracker.getService();
+ UriRef thumbnailUri =
createThumbnailUri((UriRef) node.getNode(), alternativeImage);
+
contentHandler.put(thumbnailUri, mediaType, alternativeImageBytes);
+
node.addProperty(DISCOBITS.thumbnail, thumbnailUri);
+ }
+ }
+ } catch (IOException ex) {
+ throw new RuntimeException(ex);
+ } finally {
+ isAltRepresentation.set(Boolean.FALSE);
+ }
+ }
+ }
+
+ private byte[] bufferedImage2ByteArray(BufferedImage image,
+ MediaType mediaType) throws IOException {
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ ImageIO.write(image, mediaType.getSubtype(), baos);
+ byte[] bytes = baos.toByteArray();
+ baos.flush();
+ return bytes;
+ }
+
+ private UriRef createThumbnailUri(UriRef uriRef, BufferedImage img) {
+ String resolution = "-" + img.getWidth() + "x" +
img.getHeight();
+ String oldUri = uriRef.getUnicodeString();
+ String newUri;
+ int lastIndexOfDot = oldUri.lastIndexOf(".");
+ int lastIndexOfSlash = oldUri.lastIndexOf("/");
+ if (lastIndexOfSlash < lastIndexOfDot &&
+ lastIndexOfDot >= (oldUri.length() - 6)) {
+ String firstPart = oldUri.substring(0, lastIndexOfDot);
+ String lastPart = oldUri.substring(lastIndexOfDot,
oldUri.length());
+ newUri = firstPart + resolution + lastPart;
+ } else {
+ newUri = oldUri + resolution;
+ }
+ return new UriRef(newUri);
+ }
+}
Added:
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.core/src/main/java/org/apache/clerezza/platform/content/representations/core/ThumbnailService.java
URL:
http://svn.apache.org/viewvc/incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.core/src/main/java/org/apache/clerezza/platform/content/representations/core/ThumbnailService.java?rev=893269&view=auto
==============================================================================
---
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.core/src/main/java/org/apache/clerezza/platform/content/representations/core/ThumbnailService.java
(added)
+++
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.core/src/main/java/org/apache/clerezza/platform/content/representations/core/ThumbnailService.java
Tue Dec 22 18:48:50 2009
@@ -0,0 +1,155 @@
+/*
+ * 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.URI;
+import java.util.Iterator;
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.QueryParam;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import org.apache.clerezza.platform.config.PlatformConfig;
+import
org.apache.clerezza.platform.content.representations.ontologies.REPRESENTATIONS;
+import org.apache.clerezza.platform.graphprovider.content.ContentGraphProvider;
+import org.apache.clerezza.rdf.core.InvalidLiteralTypeException;
+import org.apache.clerezza.rdf.core.LiteralFactory;
+import org.apache.clerezza.rdf.core.NoConvertorException;
+import org.apache.clerezza.rdf.core.NonLiteral;
+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.core.impl.TripleImpl;
+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.osgi.service.component.ComponentContext;
+
+/**
+ * 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
+...@service(value = Object.class)
+...@property(name = "javax.ws.rs", boolValue = true)
+...@path("thumbnail-service")
+public class ThumbnailService {
+
+ @Reference
+ ContentGraphProvider cgProvider;
+
+ @Reference
+ PlatformConfig config;
+
+ private UriRef defaultIconUri;
+
+ protected void activate(ComponentContext context) {
+ String baseUri = config.getDefaultBaseUri().getUnicodeString();
+ addMediaTypeIcon(createUriRef(baseUri,
"style/images/icons/mediatype/text/plain.png"), MediaType.TEXT_PLAIN);
+ addMediaTypeIcon(createUriRef(baseUri,
"style/images/icons/mediatype/application/msword.png"), "application/msword");
+ addMediaTypeIcon(createUriRef(baseUri,
"style/images/icons/mediatype/application/x-amf.png"),
"application/x-shockwave-flash");
+ addMediaTypeIcon(createUriRef(baseUri,
"style/images/icons/mediatype/application/pdf.png"), "application/pdf");
+ addMediaTypeIcon(createUriRef(baseUri,
"style/images/icons/mediatype/application/vnd.ms-powerpoint.png"),
"application/vnd.ms-powerpoint");
+ addMediaTypeIcon(createUriRef(baseUri,
"style/images/icons/mediatype/application/x-tar.png"), "application/x-tar");
+ addMediaTypeIcon(createUriRef(baseUri,
"style/images/icons/mediatype/application/x-amf.png"), "application/x-amf");
+ addMediaTypeIcon(createUriRef(baseUri,
"style/images/icons/mediatype/application/vnd.ms-excel.png"),
"application/vnd.ms-excel");
+ addMediaTypeIcon(createUriRef(baseUri,
"style/images/icons/mediatype/application/octet-stream.png"),
"application/octet-stream");
+ addMediaTypeIcon(createUriRef(baseUri,
"style/images/icons/mediatype/audio/any.png"), "audio/x-wav");
+ addMediaTypeIcon(createUriRef(baseUri,
"style/images/icons/mediatype/audio/any.png"), "audio/mpeg");
+ addMediaTypeIcon(createUriRef(baseUri,
"style/images/icons/mediatype/audio/any.png"), "audio/mid");
+ defaultIconUri = createUriRef(baseUri,
"style/images/icons/mediatype/any.png");
+ }
+
+ private UriRef createUriRef(String baseUri, String relativeUri) {
+ return new UriRef(baseUri + relativeUri);
+ }
+
+ private void addMediaTypeIcon(UriRef icon, String type) {
+ cgProvider.getContentGraph().add(
+ new TripleImpl(icon, REPRESENTATIONS.isIconFor ,
+
LiteralFactory.getInstance().createTypedLiteral(type)));
+ }
+
+ /**
+ * Returns the thumbnail uri for a specified InfoDiscoBit. If no
thumbnail
+ * is available 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
+ * @return
+ */
+ @GET
+ public Response getThumbnailUri(@QueryParam("uri") UriRef infoBitUri,
+ @QueryParam("width") Integer width,
+ @QueryParam("height") Integer height) {
+ if (width == null) {
+ width = Integer.MAX_VALUE;
+ }
+ if (height == null) {
+ height = Integer.MAX_VALUE;
+ }
+ GraphNode infoBitNode = new GraphNode(infoBitUri,
cgProvider.getContentGraph());
+ UriRef thumbnailUri = getThumbnailUri(infoBitNode, height,
width);
+ if (thumbnailUri != null) {
+ return Response.seeOther(
+
URI.create((thumbnailUri).getUnicodeString())).build();
+ }
+ Iterator<Resource> mediaTypes =
infoBitNode.getObjects(DISCOBITS.mediaType);
+ if (mediaTypes.hasNext()) {
+ GraphNode mediaType = new GraphNode(mediaTypes.next(),
+ cgProvider.getContentGraph());
+
+ Iterator<NonLiteral> icons =
mediaType.getSubjects(REPRESENTATIONS.isIconFor);
+ if (icons.hasNext()) {
+ return Response.seeOther(
+
URI.create(((UriRef)icons.next()).getUnicodeString())).build();
+ }
+ }
+ return
Response.seeOther(URI.create(defaultIconUri.getUnicodeString())).build();
+ }
+
+ private UriRef getThumbnailUri(GraphNode infoBitNode, Integer height,
+ Integer width) {
+ UriRef resultThumbnailUri = null;
+ int pixels = 0;
+ Iterator<Resource> thumbnails =
infoBitNode.getObjects(DISCOBITS.thumbnail);
+ while (thumbnails.hasNext()) {
+ UriRef thumbnailUri = (UriRef) thumbnails.next();
+ GraphNode thumbnailNode = new GraphNode(thumbnailUri,
+ cgProvider.getContentGraph());
+ Integer thumbnailWidth =
LiteralFactory.getInstance().createObject(
+ Integer.class, (TypedLiteral)
thumbnailNode.getObjects(EXIF.width).next());
+ Integer thumbnailHeight =
LiteralFactory.getInstance().createObject(
+ Integer.class, (TypedLiteral)
thumbnailNode.getObjects(EXIF.height).next());
+ int thumbnailPixels = thumbnailWidth * thumbnailHeight;
+ if (thumbnailHeight <= height && thumbnailWidth <=
width && thumbnailPixels > pixels) {
+ resultThumbnailUri = thumbnailUri;
+ pixels = thumbnailPixels;
+ }
+ }
+ return resultThumbnailUri;
+ }
+}
\ No newline at end of file
Propchange:
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.ontologies/
------------------------------------------------------------------------------
--- svn:ignore (added)
+++ svn:ignore Tue Dec 22 18:48:50 2009
@@ -0,0 +1 @@
+target
Added:
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.ontologies/pom.xml
URL:
http://svn.apache.org/viewvc/incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.ontologies/pom.xml?rev=893269&view=auto
==============================================================================
---
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.ontologies/pom.xml
(added)
+++
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.ontologies/pom.xml
Tue Dec 22 18:48:50 2009
@@ -0,0 +1,44 @@
+<?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";>
+ <modelVersion>4.0.0</modelVersion>
+ <parent>
+ <groupId>org.apache.clerezza</groupId>
+
<artifactId>org.apache.clerezza.platform.content.representations</artifactId>
+ <version>0.1-incubating-SNAPSHOT</version>
+ </parent>
+ <groupId>org.apache.clerezza</groupId>
+
<artifactId>org.apache.clerezza.platform.content.representations.ontologies</artifactId>
+ <version>0.1-incubating-SNAPSHOT</version>
+ <packaging>bundle</packaging>
+ <name>Clerezza - Platform Content Representations Ontologies</name>
+ <description>
+ Representations Ontologies
+ </description>
+ <dependencies>
+ <dependency>
+ <groupId>org.apache.clerezza</groupId>
+ <artifactId>org.apache.clerezza.rdf.core</artifactId>
+ </dependency>
+ </dependencies>
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.clerezza</groupId>
+
<artifactId>org.apache.clerezza.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>
+ </plugin>
+ </plugins>
+ </build>
+</project>
Added:
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.ontologies/src/main/resources/org/apache/clerezza/platform/content/representations/ontologies/representations.rdf
URL:
http://svn.apache.org/viewvc/incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.ontologies/src/main/resources/org/apache/clerezza/platform/content/representations/ontologies/representations.rdf?rev=893269&view=auto
==============================================================================
---
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.ontologies/src/main/resources/org/apache/clerezza/platform/content/representations/ontologies/representations.rdf
(added)
+++
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/org.apache.clerezza.platform.content.representations.ontologies/src/main/resources/org/apache/clerezza/platform/content/representations/ontologies/representations.rdf
Tue Dec 22 18:48:50 2009
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<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#ObjectProperty"; />
+ <rdfs:label xml:lang="en">is icon for</rdfs:label>
+ <skos:definition xml:lang="en">Points to a string of which the subject
is a icon for.</skos:definition>
+ <rdfs:isDefinedBy
rdf:resource="http://clerezza.org/2009/11/globalMenu#"; />
+ <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>
+
Modified:
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/pom.xml
URL:
http://svn.apache.org/viewvc/incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/pom.xml?rev=893269&r1=893268&r2=893269&view=diff
==============================================================================
---
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/pom.xml
(original)
+++
incubator/clerezza/issues/CLEREZZA-38/org.apache.clerezza.platform.content.representations/pom.xml
Tue Dec 22 18:48:50 2009
@@ -1,45 +1,19 @@
-<?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";>
+<?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";>
<modelVersion>4.0.0</modelVersion>
<parent>
- <artifactId>org.apache.clerezza.parent</artifactId>
<groupId>org.apache.clerezza</groupId>
+ <artifactId>org.apache.clerezza.parent</artifactId>
<version>0.2-incubating-SNAPSHOT</version>
</parent>
<groupId>org.apache.clerezza</groupId>
<artifactId>org.apache.clerezza.platform.content.representations</artifactId>
+ <packaging>pom</packaging>
<version>0.1-incubating-SNAPSHOT</version>
- <packaging>bundle</packaging>
- <name>Clerezza - Platform Content Representations</name>
- <description>Provides a Meta Data Generator that generates alternative
- representations for data of various meta types</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>org.apache.clerezza</groupId>
- <artifactId>org.apache.clerezza.rdf.core</artifactId>
- </dependency>
- <dependency>
- <groupId>org.apache.clerezza</groupId>
- <artifactId>org.apache.clerezza.rdf.utils</artifactId>
- </dependency>
- <dependency>
- <groupId>org.apache.clerezza</groupId>
-
<artifactId>org.apache.clerezza.platform.content</artifactId>
- </dependency>
- <dependency>
- <groupId>org.apache.clerezza</groupId>
-
<artifactId>org.apache.clerezza.utils.imageprocessing</artifactId>
- </dependency>
- <dependency>
- <groupId>org.apache.felix</groupId>
-
<artifactId>org.apache.felix.scr.annotations</artifactId>
- </dependency>
- </dependencies>
+ <name>Clerezza - Platform Representations</name>
+ <description>Provides services for creating and retrieving alternative
representations of content.</description>
+
+ <modules>
+
<module>org.apache.clerezza.platform.content.representations.ontologies</module>
+
<module>org.apache.clerezza.platform.content.representations.core</module>
+ </modules>
</project>
