|
Jetty example source code file (Classpath.java)
The Jetty Classpath.java source code// ======================================================================== // Copyright 2002-2005 Mort Bay Consulting Pty. Ltd. // ------------------------------------------------------------------------ // Licensed 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.mortbay.start; import java.io.File; import java.io.IOException; import java.net.MalformedURLException; import java.net.URL; import java.net.URLClassLoader; import java.util.Arrays; import java.util.StringTokenizer; import java.util.Vector; /** * Class to handle CLASSPATH construction * @author Jan Hlavaty */ public class Classpath { Vector _elements = new Vector(); public Classpath() {} public Classpath(String initial) { addClasspath(initial); } public boolean addComponent(String component) { if ((component != null)&&(component.length()>0)) { try { File f = new File(component); if (f.exists()) { File key = f.getCanonicalFile(); if (!_elements.contains(key)) { _elements.add(key); return true; } } } catch (IOException e) {} } return false; } public boolean addComponent(File component) { if (component != null) { try { if (component.exists()) { File key = component.getCanonicalFile(); if (!_elements.contains(key)) { _elements.add(key); return true; } } } catch (IOException e) {} } return false; } public boolean addClasspath(String s) { boolean added=false; if (s != null) { StringTokenizer t = new StringTokenizer(s, File.pathSeparator); while (t.hasMoreTokens()) { added|=addComponent(t.nextToken()); } } return added; } public String toString() { StringBuffer cp = new StringBuffer(1024); int cnt = _elements.size(); if (cnt >= 1) { cp.append( ((File)(_elements.elementAt(0))).getPath() ); } for (int i=1; i < cnt; i++) { cp.append(File.pathSeparatorChar); cp.append( ((File)(_elements.elementAt(i))).getPath() ); } return cp.toString(); } public ClassLoader getClassLoader() { int cnt = _elements.size(); URL[] urls = new URL[cnt]; for (int i=0; i < cnt; i++) { try { urls[i] = ((File)(_elements.elementAt(i))).toURL(); } catch (MalformedURLException e) {} } ClassLoader parent = Thread.currentThread().getContextClassLoader(); if (parent == null) { parent = Classpath.class.getClassLoader(); } if (parent == null) { parent = ClassLoader.getSystemClassLoader(); } return new Loader(urls, parent); } private class Loader extends URLClassLoader { String name; Loader(URL[] urls, ClassLoader parent) { super(urls, parent); name = "StartLoader"+Arrays.asList(urls); } public String toString() { return name; } } } Other Jetty examples (source code examples)Here is a short list of links related to this Jetty Classpath.java source code file: |
... this post is sponsored by my books ... | |
#1 New Release! |
FP Best Seller |
Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.
A percentage of advertising revenue from
pages under the /java/jwarehouse
URI on this website is
paid back to open source projects.