From 132aa8a77685ec92bc90c03f987650d275a7b639 Mon Sep 17 00:00:00 2001 From: lresende Date: Mon, 30 Sep 2013 06:59:11 +0000 Subject: 2.0.1 RC1 release tag git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1527464 13f79535-47bb-0310-9956-ffa450edef68 --- .../scanner/impl/JarContributionScanner.java | 143 +++++++++++++++++++++ 1 file changed, 143 insertions(+) create mode 100644 sca-java-2.x/tags/2.0.1-RC1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/scanner/impl/JarContributionScanner.java (limited to 'sca-java-2.x/tags/2.0.1-RC1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/scanner/impl/JarContributionScanner.java') diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/scanner/impl/JarContributionScanner.java b/sca-java-2.x/tags/2.0.1-RC1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/scanner/impl/JarContributionScanner.java new file mode 100644 index 0000000000..25be92c310 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/scanner/impl/JarContributionScanner.java @@ -0,0 +1,143 @@ +/* + * 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.scanner.impl; + +import java.io.IOException; +import java.net.MalformedURLException; +import java.net.URL; +import java.util.ArrayList; +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.common.java.io.IOHelper; +import org.apache.tuscany.sca.contribution.Artifact; +import org.apache.tuscany.sca.contribution.Contribution; +import org.apache.tuscany.sca.contribution.ContributionFactory; +import org.apache.tuscany.sca.contribution.PackageType; +import org.apache.tuscany.sca.contribution.processor.ContributionReadException; +import org.apache.tuscany.sca.contribution.scanner.ContributionScanner; + +/** + * JAR Contribution processor. + * + * @version $Rev$ $Date$ + */ +public class JarContributionScanner implements ContributionScanner { + private ContributionFactory contributionFactory; + + public JarContributionScanner(ContributionFactory contributionFactory) { + this.contributionFactory = contributionFactory; + } + + public String getContributionType() { + return PackageType.JAR; + } + + public List scan(Contribution contribution) throws ContributionReadException { + + // Assume the URL references a JAR file + try { + URL url = new URL(contribution.getLocation()); + JarInputStream jar = new JarInputStream(IOHelper.openStream(url)); + try { + Set names = new HashSet(); + while (true) { + JarEntry entry = jar.getNextJarEntry(); + if (entry == null) { + // EOF + break; + } + + String name = entry.getName(); + if (name.length() != 0 && !name.startsWith(".")) { + + // Trim trailing / + if (name.endsWith("/")) { + name = name.substring(0, name.length() - 1); + } + + // Add the entry name + if (!names.contains(name)) { + names.add(name); + + // Add parent folder names to the list too + for (;;) { + int s = name.lastIndexOf('/'); + if (s == -1) { + name = ""; + } else { + name = name.substring(0, s); + } + if (name.length() != 0 && !names.contains(name)) { + names.add(name); + } else { + break; + } + } + } + } + } + + // Return list of artifacts + List artifacts = new ArrayList(); + for(String uri : names) { + Artifact artifact = contributionFactory.createArtifact(); + artifact.setURI(uri); + artifact.setLocation(getArtifactURL(contribution, uri).toString()); + + artifacts.add(artifact); + } + + contribution.getTypes().add(getContributionType()); + return artifacts; + + } finally { + jar.close(); + } + } catch (IOException e) { + throw new ContributionReadException(e); + } + } + + /** + * Produces a location URL for a given artifact in the contribution + * + * @param contribution + * @param artifact + * @return + * @throws ContributionReadException + */ + private static URL getArtifactURL(Contribution contribution, String artifact) throws ContributionReadException { + try { + URL url; + if (contribution.toString().startsWith("jar:")) { + url = new URL(new URL(contribution.getLocation()), artifact.toString()); + } else { + url = new URL("jar:" + contribution.getLocation() + "!/" + artifact); + } + return url; + } catch (MalformedURLException e) { + throw new ContributionReadException(e); + } + } +} -- cgit v1.2.3