diff options
Diffstat (limited to 'java/sca/modules/node-api/src/main/java/org/apache/tuscany/sca/node/ContributionLocationHelper.java')
-rw-r--r-- | java/sca/modules/node-api/src/main/java/org/apache/tuscany/sca/node/ContributionLocationHelper.java | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/java/sca/modules/node-api/src/main/java/org/apache/tuscany/sca/node/ContributionLocationHelper.java b/java/sca/modules/node-api/src/main/java/org/apache/tuscany/sca/node/ContributionLocationHelper.java deleted file mode 100644 index 2e73322917..0000000000 --- a/java/sca/modules/node-api/src/main/java/org/apache/tuscany/sca/node/ContributionLocationHelper.java +++ /dev/null @@ -1,160 +0,0 @@ -/* - * 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.node; - -import java.io.IOException; -import java.net.URL; -import java.security.AccessController; -import java.security.PrivilegedAction; -import java.util.ArrayList; -import java.util.Enumeration; -import java.util.List; - -import org.oasisopen.sca.ServiceRuntimeException; - -/** - * ContributionLocationHelper - * - * @version $Rev$ $Date$ - */ -public class ContributionLocationHelper { - - /** - * Returns the location of the SCA contribution containing the given class. - * - * @param anchorClass - * @return - */ - public static String getContributionLocation(final Class<?> anchorClass) { - URL url = AccessController.doPrivileged(new PrivilegedAction<URL>() { - public URL run() { - return anchorClass.getProtectionDomain().getCodeSource().getLocation(); - } - }); - String uri = url.toString(); - return uri; - } - - /** - * Find the contribution location by seraching a resource on the classpath - * @param resourceName - * @return - */ - public static String getContributionLocation(String resourceName) { - return getContributionLocation(null, resourceName); - } - - /** - * Find the contribution locations by seraching a resource on the classpath - * @param resourceName - * @return - */ - public static List<String> getContributionLocations(String resourceName) { - return getContributionLocations(null, resourceName); - - } - - /** - * Find the contribution location by seraching a resource using the given classloader - * @param classLoader - * @param resourceName - * @return - */ - public static String getContributionLocation(ClassLoader classLoader, String resourceName) { - if (classLoader == null) { - classLoader = AccessController.doPrivileged(new PrivilegedAction<ClassLoader>() { - public ClassLoader run() { - return Thread.currentThread().getContextClassLoader(); - } - }); - } - URL resourceURL = getResource(classLoader, resourceName); - if (resourceURL == null) { - return null; - } - return getRootLocation(resourceURL, resourceName); - } - - /** - * Find the contribution locations by seraching a resource using the given classloader - * @param classLoader The classloader that is used to call getResources() - * @param resourceName The name of the resource - * @return A list of locations that contain the resource - */ - public static List<String> getContributionLocations(ClassLoader classLoader, String resourceName) { - if (classLoader == null) { - classLoader = AccessController.doPrivileged(new PrivilegedAction<ClassLoader>() { - public ClassLoader run() { - return Thread.currentThread().getContextClassLoader(); - } - }); - } - Enumeration<URL> resourceURLs = getResources(classLoader, resourceName); - List<String> locations = new ArrayList<String>(); - while (resourceURLs != null && resourceURLs.hasMoreElements()) { - locations.add(getRootLocation(resourceURLs.nextElement(), resourceName)); - } - return locations; - } - - private static String getRootLocation(URL resourceURL, String resourceName) { - String location = null; - // "jar:file://....../something.jar!/a/b/c/app.composite" - String url = resourceURL.toExternalForm(); - String protocol = resourceURL.getProtocol(); - if ("file".equals(protocol)) { - // directory contribution - if (url.endsWith(resourceName)) { - location = url.substring(0, url.lastIndexOf(resourceName)); - } - } else if ("jar".equals(protocol) || "wsjar".equals(protocol) || "zip".equals(protocol)) { - // jar contribution - location = url.substring(protocol.length() + 1, url.lastIndexOf("!/")); - } else if (url.endsWith(resourceName)) { - location = url.substring(0, url.lastIndexOf(resourceName)); - } else { - throw new IllegalArgumentException("The root of the resource cannot be determined: " + resourceURL - + "," - + resourceName); - } - return location; - } - - private static URL getResource(final ClassLoader classLoader, final String compositeURI) { - return AccessController.doPrivileged(new PrivilegedAction<URL>() { - public URL run() { - return classLoader.getResource(compositeURI); - } - }); - } - - private static Enumeration<URL> getResources(final ClassLoader classLoader, final String compositeURI) { - return AccessController.doPrivileged(new PrivilegedAction<Enumeration<URL>>() { - public Enumeration<URL> run() { - try { - return classLoader.getResources(compositeURI); - } catch (IOException e) { - throw new ServiceRuntimeException(e); - } - } - }); - } - -} |