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Diffstat (limited to 'sca-java-1.x/branches/sca-java-1.2.1/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/impl/OSGiBundleContributionProcessor.java')
-rw-r--r-- | sca-java-1.x/branches/sca-java-1.2.1/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/impl/OSGiBundleContributionProcessor.java | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-1.2.1/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/impl/OSGiBundleContributionProcessor.java b/sca-java-1.x/branches/sca-java-1.2.1/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/impl/OSGiBundleContributionProcessor.java new file mode 100644 index 0000000000..cdbdddb31d --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.2.1/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/impl/OSGiBundleContributionProcessor.java @@ -0,0 +1,161 @@ +/* + * 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.tuscany.sca.contribution.osgi.impl; + +import java.io.IOException; +import java.io.InputStream; +import java.net.MalformedURLException; +import java.net.URI; +import java.net.URL; +import java.util.ArrayList; +import java.util.Enumeration; +import java.util.HashSet; +import java.util.List; +import java.util.Set; +import java.util.jar.JarEntry; +import java.util.jar.JarInputStream; + +import org.apache.tuscany.sca.contribution.PackageType; +import org.apache.tuscany.sca.contribution.processor.PackageProcessor; +import org.apache.tuscany.sca.contribution.service.ContributionException; +import org.apache.tuscany.sca.osgi.runtime.OSGiRuntime; +import org.osgi.framework.Bundle; + +/** + * Bundle Contribution package processor. + * + * @version $Rev: $ $Date: $ + */ +public class OSGiBundleContributionProcessor implements PackageProcessor { + + public OSGiBundleContributionProcessor() { + } + + public String getPackageType() { + return PackageType.BUNDLE; + } + + public URL getArtifactURL(URL sourceURL, URI artifact) throws MalformedURLException { + Bundle bundle = null; + try { + bundle = OSGiRuntime.findInstalledBundle(sourceURL); + if (bundle != null) { + URL url = bundle.getResource(artifact.getPath()); + if (url == null) + System.out.println("Could not load resource " + artifact); + return url; + } + } catch (Exception e) { + } + return null; + } + + public List<URI> getJarArtifacts(URL packageSourceURL, InputStream inputStream) throws ContributionException, + IOException { + if (packageSourceURL == null) { + throw new IllegalArgumentException("Invalid null package source URL."); + } + + if (inputStream == null) { + throw new IllegalArgumentException("Invalid null source inputstream."); + } + + // Assume the root is a jar file + JarInputStream jar = new JarInputStream(inputStream); + try { + Set<String> names = new HashSet<String>(); + while (true) { + JarEntry entry = jar.getNextJarEntry(); + if (entry == null) { + // EOF + break; + } + + // FIXME: Maybe we should externalize the filter as a property + String name = entry.getName(); + if (!name.startsWith(".") && !entry.isDirectory()) { + + // Trim trailing / + if (name.endsWith("/")) { + name = name.substring(0, name.length() - 1); + } + + // Add the entry name + if (!names.contains(name) && name.length() > 0) { + names.add(name); + + } + } + } + + // Return list of URIs + List<URI> artifacts = new ArrayList<URI>(); + for (String name: names) { + artifacts.add(URI.create(name)); + } + return artifacts; + + } finally { + jar.close(); + } +} + + public List<URI> getArtifacts(URL packageSourceURL, InputStream inputStream) throws ContributionException, + IOException { + + Bundle bundle = null; + try { + bundle = OSGiRuntime.findInstalledBundle(packageSourceURL); + } catch (Exception e) { + } + + if (bundle == null) { + throw new IllegalArgumentException("Could not find OSGi bundle " + packageSourceURL); + } + + if (packageSourceURL == null) { + throw new IllegalArgumentException("Invalid null package source URL."); + } + + List<URI> artifacts = new ArrayList<URI>(); + + try { + Enumeration entries = bundle.findEntries("/", "*", true); + while (entries.hasMoreElements()) { + URL entry = (URL)entries.nextElement(); + String entryName = entry.getPath(); + if (entryName.startsWith("/")) + entryName = entryName.substring(1); + artifacts.add(new URI(entryName)); + + if (entryName.endsWith(".jar")) { + + URL jarResource = bundle.getResource(entryName); + artifacts.addAll(getJarArtifacts(jarResource, jarResource.openStream())); + } + + } + } catch (Exception e) { + throw new RuntimeException(e); + } + + return artifacts; + } +} |