| /** |
| * 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.xbean.finder; |
| |
| import org.apache.xbean.finder.filter.Filter; |
| |
| import java.net.URL; |
| import java.net.MalformedURLException; |
| import java.util.Collection; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Map; |
| import java.util.HashMap; |
| import java.util.Arrays; |
| import java.io.IOException; |
| import java.io.File; |
| |
| import static org.apache.xbean.finder.filter.Filters.invert; |
| import static org.apache.xbean.finder.filter.Filters.patterns; |
| |
| /** |
| * @version $Rev$ $Date: 2012/05/03 13:43:15 $ |
| */ |
| public class UrlSet implements Iterable<URL> { |
| |
| private final Map<String,URL> urls; |
| |
| public UrlSet(ClassLoader classLoader) throws IOException { |
| this(getUrls(classLoader)); |
| } |
| |
| public UrlSet(URL... urls){ |
| this(Arrays.asList(urls)); |
| } |
| /** |
| * Ignores all URLs that are not "jar" or "file" |
| * @param urls |
| */ |
| public UrlSet(Collection<URL> urls){ |
| this.urls = new HashMap<String,URL>(); |
| for (URL location : urls) { |
| try { |
| // if (location.getProtocol().equals("file")) { |
| // try { |
| // // See if it's actually a jar |
| // URL jarUrl = new URL("jar", "", location.toExternalForm() + "!/"); |
| // JarURLConnection juc = (JarURLConnection) jarUrl.openConnection(); |
| // juc.getJarFile(); |
| // location = jarUrl; |
| // } catch (IOException e) { |
| // } |
| // this.urls.put(location.toExternalForm(), location); |
| // } |
| this.urls.put(location.toExternalForm(), location); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| } |
| } |
| |
| private UrlSet(Map<String, URL> urls) { |
| this.urls = urls; |
| } |
| |
| public UrlSet include(UrlSet urlSet){ |
| Map<String, URL> urls = new HashMap<String, URL>(this.urls); |
| urls.putAll(urlSet.urls); |
| return new UrlSet(urls); |
| } |
| |
| |
| public UrlSet include(URL url){ |
| Map<String, URL> urls = new HashMap<String, URL>(this.urls); |
| urls.put(url.toExternalForm(), url); |
| return new UrlSet(urls); |
| } |
| |
| public UrlSet exclude(UrlSet urlSet) { |
| Map<String, URL> urls = new HashMap<String, URL>(this.urls); |
| Map<String, URL> parentUrls = urlSet.urls; |
| for (String url : parentUrls.keySet()) { |
| urls.remove(url); |
| } |
| return new UrlSet(urls); |
| } |
| |
| public UrlSet exclude(URL url) { |
| Map<String, URL> urls = new HashMap<String, URL>(this.urls); |
| urls.remove(url.toExternalForm()); |
| return new UrlSet(urls); |
| } |
| |
| public UrlSet exclude(ClassLoader parent) throws IOException { |
| return exclude(new UrlSet(parent)); |
| } |
| |
| public UrlSet exclude(File file) throws MalformedURLException { |
| return exclude(relative(file)); |
| } |
| |
| public UrlSet exclude(String pattern) throws MalformedURLException { |
| return filter(invert(patterns(pattern))); |
| } |
| |
| /** |
| * Calls excludePaths(System.getProperty("java.ext.dirs")) |
| * @return |
| * @throws MalformedURLException |
| */ |
| public UrlSet excludeJavaExtDirs() throws MalformedURLException { |
| String extDirs = System.getProperty("java.ext.dirs"); |
| return extDirs == null ? this : excludePaths(extDirs); |
| } |
| |
| /** |
| * Calls excludePaths(System.getProperty("java.endorsed.dirs")) |
| * |
| * @return |
| * @throws MalformedURLException |
| */ |
| public UrlSet excludeJavaEndorsedDirs() throws MalformedURLException { |
| String endorsedDirs = System.getProperty("java.endorsed.dirs"); |
| return endorsedDirs == null ? this : excludePaths(endorsedDirs); |
| } |
| |
| public UrlSet excludeJavaHome() throws MalformedURLException { |
| String path = System.getProperty("java.home"); |
| |
| File java = new File(path); |
| |
| if (path.matches("/System/Library/Frameworks/JavaVM.framework/Versions/[^/]+/Home")){ |
| java = java.getParentFile(); |
| } |
| |
| return exclude(java); |
| } |
| |
| public UrlSet excludePaths(String pathString) throws MalformedURLException { |
| String[] paths = pathString.split(File.pathSeparator); |
| UrlSet urlSet = this; |
| for (String path : paths) { |
| File file = new File(path); |
| urlSet = urlSet.exclude(file); |
| } |
| return urlSet; |
| } |
| |
| public UrlSet filter(Filter filter) { |
| Map<String, URL> urls = new HashMap<String, URL>(); |
| for (Map.Entry<String, URL> entry : this.urls.entrySet()) { |
| String url = entry.getKey(); |
| if (filter.accept(url)){ |
| urls.put(url, entry.getValue()); |
| } |
| } |
| return new UrlSet(urls); |
| } |
| |
| public UrlSet matching(String pattern) { |
| return filter(patterns(pattern)); |
| } |
| |
| public UrlSet relative(File file) throws MalformedURLException { |
| String urlPath = file.toURI().toURL().toExternalForm(); |
| Map<String, URL> urls = new HashMap<String, URL>(); |
| for (Map.Entry<String, URL> entry : this.urls.entrySet()) { |
| String url = entry.getKey(); |
| if (url.startsWith(urlPath) || url.startsWith("jar:"+urlPath)){ |
| urls.put(url, entry.getValue()); |
| } |
| } |
| return new UrlSet(urls); |
| } |
| |
| public List<URL> getUrls() { |
| return new ArrayList<URL>(urls.values()); |
| } |
| |
| public int size() { |
| return urls.size(); |
| } |
| |
| public Iterator<URL> iterator() { |
| return getUrls().iterator(); |
| } |
| |
| private static List<URL> getUrls(ClassLoader classLoader) throws IOException { |
| List<URL> list = new ArrayList<URL>(); |
| ArrayList<URL> urls = Collections.list(classLoader.getResources("META-INF")); |
| for (URL url : urls) { |
| String externalForm = url.toExternalForm(); |
| int i = externalForm.lastIndexOf("META-INF"); |
| externalForm = externalForm.substring(0, i); |
| url = new URL(externalForm); |
| list.add(url); |
| } |
| list.addAll(Collections.list(classLoader.getResources(""))); |
| return list; |
| } |
| |
| @Override |
| public String toString() { |
| return super.toString() + "[" + urls.size() + "]"; |
| } |
| } |