Index: test/java/org/apache/xmlgraphics/StandardTestSuite.java
===================================================================
--- test/java/org/apache/xmlgraphics/StandardTestSuite.java (revision 559827)
+++ test/java/org/apache/xmlgraphics/StandardTestSuite.java (working copy)
@@ -23,6 +23,7 @@
import org.apache.xmlgraphics.ps.PSEscapeTestCase;
import org.apache.xmlgraphics.ps.dsc.events.DSCValueParserTestCase;
import org.apache.xmlgraphics.ps.dsc.tools.DSCToolsTestCase;
+import org.apache.xmlgraphics.util.ClasspathResourceTest;
import org.apache.xmlgraphics.util.ServiceTest;
import org.apache.xmlgraphics.util.io.ASCII85InputStreamTestCase;
import org.apache.xmlgraphics.util.io.ASCII85OutputStreamTestCase;
@@ -49,6 +50,7 @@
suite.addTest(new TestSuite(ASCII85OutputStreamTestCase.class));
suite.addTest(new TestSuite(PNGEncoderTest.class));
suite.addTest(new TestSuite(ServiceTest.class));
+ suite.addTest(new TestSuite(ClasspathResourceTest.class));
suite.addTest(new TestSuite(PSEscapeTestCase.class));
suite.addTest(new TestSuite(DSCValueParserTestCase.class));
suite.addTest(new TestSuite(DSCToolsTestCase.class));
Index: test/java/org/apache/xmlgraphics/util/ClasspathResourceTest.java
===================================================================
--- test/java/org/apache/xmlgraphics/util/ClasspathResourceTest.java (revision 0)
+++ test/java/org/apache/xmlgraphics/util/ClasspathResourceTest.java (revision 0)
@@ -0,0 +1,65 @@
+/*
+ * 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.
+ */
+
+/* $Id: $ */
+
+package org.apache.xmlgraphics.util;
+
+import java.net.URL;
+import java.util.Iterator;
+import java.util.List;
+
+import junit.framework.TestCase;
+
+/**
+ * Test for the Service class.
+ */
+public class ClasspathResourceTest extends TestCase {
+
+ /**
+ * Tests whether the file /sample.txt with mime-type text/plain exists.
+ *
+ * @throws Exception
+ * in case of an error
+ */
+ public void testSampleResource() throws Exception {
+ final List list = ClasspathResource.getClassPathResource()
+ .listResourcesOfMimeType("text/plain");
+ boolean found = false;
+ final Iterator i = list.iterator();
+ while (i.hasNext()) {
+ final URL u = (URL) i.next();
+ if (u.getPath().endsWith("sample.txt")) {
+ found = true;
+ }
+ }
+ assertTrue(found);
+ }
+
+ /**
+ * Tests the mode where Service returns class names.
+ *
+ * @throws Exception
+ * in case of an error
+ */
+ public void testNonexistingResource() throws Exception {
+ final List list = ClasspathResource.getClassPathResource()
+ .listResourcesOfMimeType("nota/mime-type");
+ assertTrue(list.isEmpty());
+ }
+
+}
Index: test/resources/sample.txt
===================================================================
--- test/resources/sample.txt (revision 0)
+++ test/resources/sample.txt (revision 0)
@@ -0,0 +1 @@
+A sample text
Index: test/resources/META-INF/MANIFEST.MF
===================================================================
--- test/resources/META-INF/MANIFEST.MF (revision 0)
+++ test/resources/META-INF/MANIFEST.MF (revision 0)
@@ -0,0 +1,4 @@
+Manifest-Version: 1.0
+
+Name: sample.txt
+Content-Type: text/plain
Index: src/java/org/apache/xmlgraphics/util/ClasspathResource.java
===================================================================
--- src/java/org/apache/xmlgraphics/util/ClasspathResource.java (revision 0)
+++ src/java/org/apache/xmlgraphics/util/ClasspathResource.java (revision 0)
@@ -0,0 +1,141 @@
+/*
+ * 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.
+ */
+
+/* $Id: Service.java 496556 2007-01-16 00:59:48Z cam $ */
+
+package org.apache.xmlgraphics.util;
+
+import java.io.IOException;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.Enumeration;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.Vector;
+import java.util.jar.Attributes;
+import java.util.jar.Manifest;
+
+/**
+ * A class to find resources in the classpath by their mime-type specified in
+ * the MANIFEST.
+ *
+ * This class searches for content entries in all META-INF/MANIFEST.MF files. It
+ * will find files with a given Content-Type: attribute. This allows to add
+ * arbitrary resources by content-type just by creating a JAR wrapper and adding
+ * them to the classpath.
+ *
+ * Example:
+ *
+ *
+ * Name: test.txt
+ * Content-Type: text/plain
+ *
+ */
+public final class ClasspathResource {
+
+ /**
+ * Actual Type: Map<String,List<URL>>.
+ */
+ private final Map contentMappings;
+
+ private static final String MANIFEST_PATH = "META-INF/MANIFEST.MF";
+
+ private static final String CONTENT_TYPE_KEY = "Content-Type";
+
+ private static ClasspathResource classpathResource;
+
+ private ClasspathResource() {
+ contentMappings = new HashMap();
+ loadManifests();
+ }
+
+ /**
+ * Retrieve the singleton instance of this class.
+ *
+ * @return the ClassPathResource instance.
+ */
+ public static synchronized ClasspathResource getClassPathResource() {
+ if (classpathResource == null) {
+ classpathResource = new ClasspathResource();
+ }
+ return classpathResource;
+ }
+
+ private void loadManifests() {
+ Enumeration e;
+ try {
+ e = ClassLoader.getSystemClassLoader().getResources(MANIFEST_PATH);
+
+ while (e.hasMoreElements()) {
+ final URL u = (URL) e.nextElement();
+ try {
+ final Manifest manifest = new Manifest(u.openStream());
+ final Map entries = manifest.getEntries();
+ final Iterator entrysetiterator = entries.entrySet()
+ .iterator();
+ while (entrysetiterator.hasNext()) {
+ final Map.Entry entry = (Map.Entry) entrysetiterator
+ .next();
+ final String name = (String) entry.getKey();
+ final Attributes attributes = (Attributes) entry
+ .getValue();
+ final String contentType = attributes
+ .getValue(CONTENT_TYPE_KEY);
+ if (contentType != null) {
+ addToMapping(contentType, name);
+ }
+ }
+ } catch (IOException io) {
+ // TODO: Log.
+ }
+ }
+ } catch (IOException io) {
+ // TODO: Log.
+ }
+ }
+
+ private void addToMapping(final String contentType, final String name) {
+ List existingFiles = (List) contentMappings.get(contentType);
+ if (existingFiles == null) {
+ existingFiles = new Vector();
+ contentMappings.put(contentType, existingFiles);
+ }
+ final URL url = ClassLoader.getSystemClassLoader().getResource(name);
+ if (url != null) {
+ existingFiles.add(url);
+ }
+ }
+
+ /**
+ * Retrieve a list of resources known to have the given mime-type.
+ *
+ * @param mimeType
+ * the mime-type to search for.
+ * @return a List<URL>, guaranteed to be != null.
+ */
+ public List listResourcesOfMimeType(final String mimeType) {
+ final List content = (List) contentMappings.get(mimeType);
+ if (content == null) {
+ return new ArrayList(0);
+ } else {
+ return content;
+ }
+ }
+
+}
Index: build.xml
===================================================================
--- build.xml (revision 559827)
+++ build.xml (working copy)
@@ -321,6 +321,9 @@
+
+
+