001 /** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 package org.apache.xbean.classpath; 018 019 import java.net.URLClassLoader; 020 import java.net.URL; 021 import java.io.File; 022 023 public class SystemClassPath extends SunURLClassPath { 024 025 private URLClassLoader sysLoader; 026 027 public void addJarsToPath(File dir) throws Exception { 028 this.addJarsToPath(dir, getSystemLoader()); 029 this.rebuildJavaClassPathVariable(); 030 } 031 032 public void addJarToPath(URL jar) throws Exception { 033 //System.out.println("[|] SYSTEM "+jar.toExternalForm()); 034 this.addJarToPath(jar, getSystemLoader()); 035 this.rebuildJavaClassPathVariable(); 036 } 037 038 public ClassLoader getClassLoader() { 039 try { 040 return getSystemLoader(); 041 } catch (Exception e) { 042 throw new RuntimeException(e); 043 } 044 } 045 046 private URLClassLoader getSystemLoader() throws Exception { 047 if (sysLoader == null) { 048 sysLoader = (URLClassLoader) ClassLoader.getSystemClassLoader(); 049 } 050 return sysLoader; 051 } 052 053 private void rebuildJavaClassPathVariable() throws Exception { 054 sun.misc.URLClassPath cp = getURLClassPath(getSystemLoader()); 055 URL[] urls = cp.getURLs(); 056 //for (int i=0; i < urls.length; i++){ 057 // System.out.println(urls[i].toExternalForm()); 058 //} 059 if (urls.length < 1) 060 return; 061 062 StringBuffer path = new StringBuffer(urls.length * 32); 063 064 File s = new File(urls[0].getFile()); 065 path.append(s.getPath()); 066 //System.out.println(s.getPath()); 067 068 for (int i = 1; i < urls.length; i++) { 069 path.append(File.pathSeparator); 070 071 s = new File(urls[i].getFile()); 072 //System.out.println(s.getPath()); 073 path.append(s.getPath()); 074 } 075 try { 076 System.setProperty("java.class.path", path.toString()); 077 } catch (Exception e) { 078 } 079 } 080 }