| /******************************************************************************* |
| * 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. |
| *******************************************************************************/ |
| |
| // NOTE: Portions Originally Copyright 2002 Mort Bay Consulting (Australia) Pty. Ltd. (this was taken from a code base released under the Apache License, though no header was on this file) |
| |
| package org.apache.ofbiz.base.start; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * A class path accumulator. |
| * <p>You can build a class path by repeatedly calling the addXxx methods, |
| * then use the getXxx methods to get the accumulated class path.</p> |
| */ |
| public final class Classpath { |
| |
| private List<File> elements = new ArrayList<File>(); |
| |
| /** |
| * Default constructor. |
| */ |
| public Classpath() { |
| } |
| |
| /** |
| * Adds a class path component. The component may be a directory or a file. |
| * If <code>component</code> does not exist, the method does nothing. |
| * |
| * @param component The class path component to add |
| * @return <code>true</code> if the component was added |
| * @throws IOException if there was a problem parsing the component |
| * @throws IllegalArgumentException if <code>component</code> is null |
| */ |
| public boolean addComponent(File component) throws IOException { |
| if (component == null) { |
| throw new IllegalArgumentException("component cannot be null"); |
| } |
| if (component.exists()) { |
| File key = component.getCanonicalFile(); |
| synchronized (elements) { |
| if (!elements.contains(key)) { |
| elements.add(key); |
| return true; |
| } |
| } |
| } else { |
| System.out.println("Warning : Module classpath component '" + component + "' is not valid and will be ignored..."); |
| } |
| return false; |
| } |
| |
| /** |
| * Adds a class path component. The component may be a directory or a file. |
| * If <code>component</code> does not exist, the method does nothing. |
| * |
| * @param component The class path component to add |
| * @return <code>true</code> if the component was added |
| * @throws IOException if there was a problem parsing the component |
| * @throws IllegalArgumentException if <code>component</code> is null or empty |
| */ |
| public boolean addComponent(String component) throws IOException { |
| if (component == null || component.isEmpty()) { |
| throw new IllegalArgumentException("component cannot be null or empty"); |
| } |
| return addComponent(new File(component)); |
| } |
| |
| /** |
| * Scans a directory and adds all files ending with ".jar" or ".zip" to |
| * the class path. |
| * If <code>path</code> is not a directory, the method does nothing. |
| * |
| * @param path the directory to scan |
| * @throws IOException if there was a problem processing the directory |
| * @throws IllegalArgumentException if <code>path</code> is null |
| */ |
| public void addFilesFromPath(File path) throws IOException { |
| if (path == null) { |
| throw new IllegalArgumentException("path cannot be null"); |
| } |
| if (path.isDirectory() && path.exists()) { |
| // load all .jar, .zip files and native libs in this directory |
| for (File file : path.listFiles()) { |
| String fileName = file.getName().toLowerCase(); |
| if (fileName.endsWith(".jar") || fileName.endsWith(".zip")) { |
| File key = file.getCanonicalFile(); |
| synchronized (elements) { |
| if (!elements.contains(key)) { |
| elements.add(key); |
| } |
| } |
| } |
| } |
| } else { |
| System.out.println("Warning : Module classpath component '" + path + "' is not valid and will be ignored..."); |
| } |
| } |
| |
| private void appendPath(StringBuilder cp, String path) { |
| if (path.indexOf(' ') >= 0) { |
| cp.append('\"'); |
| cp.append(path); |
| cp.append('"'); |
| } else { |
| cp.append(path); |
| } |
| } |
| |
| /** |
| * Returns a list of class path component URLs. |
| * |
| * @return A list of class path component URLs |
| * @throws MalformedURLException |
| */ |
| public URL[] getUrls() throws MalformedURLException { |
| synchronized (elements) { |
| int cnt = elements.size(); |
| URL[] urls = new URL[cnt]; |
| for (int i = 0; i < cnt; i++) { |
| urls[i] = elements.get(i).toURI().toURL(); |
| } |
| return urls; |
| } |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder cp = new StringBuilder(1024); |
| synchronized (elements) { |
| int cnt = elements.size(); |
| if (cnt >= 1) { |
| cp.append(elements.get(0).getPath()); |
| } |
| for (int i = 1; i < cnt; i++) { |
| cp.append(File.pathSeparatorChar); |
| appendPath(cp, elements.get(i).getPath()); |
| } |
| } |
| return cp.toString(); |
| } |
| } |