| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2003 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, if |
| * any, must include the following acknowlegement: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowlegement may appear in the software itself, |
| * if and wherever such third-party acknowlegements normally appear. |
| * |
| * 4. The names "Ant" and "Apache Software |
| * Foundation" must not be used to endorse or promote products derived |
| * from this software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache" |
| * nor may "Apache" appear in their names without prior written |
| * permission of the Apache Group. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| package org.apache.tools.ant.launch; |
| |
| import java.net.URL; |
| import java.net.URLClassLoader; |
| import java.net.MalformedURLException; |
| import java.io.File; |
| import java.util.StringTokenizer; |
| import java.util.List; |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| |
| |
| /** |
| * This is a launcher for Ant. |
| * |
| * @author Conor MacNeill |
| * @since Ant 1.6 |
| */ |
| public class Launcher { |
| /** The Ant Home property */ |
| public static final String ANTHOME_PROPERTY = "ant.home"; |
| |
| /** The location of a per-user library directory */ |
| public static final String USER_LIBDIR = ".ant/lib"; |
| |
| /** The startup class that is to be run */ |
| public static final String MAIN_CLASS = "org.apache.tools.ant.Main"; |
| |
| /** |
| * Entry point for starting command line Ant |
| * |
| * @param args commandline arguments |
| */ |
| public static void main(String[] args) { |
| try { |
| Launcher launcher = new Launcher(); |
| launcher.run(args); |
| } catch (LaunchException e) { |
| System.err.println(e.getMessage()); |
| } catch (Throwable t) { |
| t.printStackTrace(); |
| } |
| } |
| |
| |
| /** |
| * Run the launcher to launch Ant |
| * |
| * @param args the command line arguments |
| * |
| * @exception MalformedURLException if the URLs required for the classloader |
| * cannot be created. |
| */ |
| private void run(String[] args) throws LaunchException, MalformedURLException { |
| String antHomeProperty = System.getProperty(ANTHOME_PROPERTY); |
| File antHome = null; |
| |
| File sourceJar = Locator.getClassSource(getClass()); |
| File jarDir = sourceJar.getParentFile(); |
| |
| if (antHomeProperty != null) { |
| antHome = new File(antHomeProperty); |
| } |
| |
| if (antHome == null || !antHome.exists()) { |
| antHome = jarDir.getParentFile(); |
| System.setProperty(ANTHOME_PROPERTY, antHome.getAbsolutePath()); |
| } |
| |
| if (!antHome.exists()) { |
| throw new LaunchException("Ant home is set incorrectly or " |
| + "ant could not be located"); |
| } |
| |
| List libPaths = new ArrayList(); |
| List argList = new ArrayList(); |
| String[] newArgs; |
| |
| for (int i = 0; i < args.length; ++i) { |
| if (args[i].equals("-lib")) { |
| if (i == args.length - 1) { |
| throw new LaunchException("The -lib argument must " |
| + "be followed by a library location"); |
| } |
| libPaths.add(args[++i]); |
| } else { |
| argList.add(args[i]); |
| } |
| } |
| |
| if (libPaths.size() == 0) { |
| newArgs = args; |
| } else { |
| newArgs = (String[]) argList.toArray(new String[0]); |
| } |
| |
| List libPathURLs = new ArrayList(); |
| for (Iterator i = libPaths.iterator(); i.hasNext();) { |
| String libPath = (String) i.next(); |
| StringTokenizer myTokenizer |
| = new StringTokenizer(libPath, System.getProperty("path.separator")); |
| while (myTokenizer.hasMoreElements()) { |
| File element = new File(myTokenizer.nextToken()); |
| if (element.isDirectory()) { |
| // add any jars in the directory |
| URL[] dirURLs = Locator.getLocationURLs(element); |
| for (int j = 0; j < dirURLs.length; ++j) { |
| libPathURLs.add(dirURLs[j]); |
| } |
| } |
| libPathURLs.add(element.toURL()); |
| } |
| } |
| |
| URL[] libJars = (URL[])libPathURLs.toArray(new URL[0]); |
| |
| // Now try and find JAVA_HOME |
| File toolsJar = Locator.getToolsJar(); |
| |
| URL[] systemJars = Locator.getLocationURLs(jarDir); |
| |
| File userLibDir |
| = new File(System.getProperty("user.home"), USER_LIBDIR); |
| URL[] userJars = Locator.getLocationURLs(userLibDir); |
| |
| |
| int numJars = libJars.length + userJars.length + systemJars.length; |
| if (toolsJar != null) { |
| numJars++; |
| } |
| URL[] jars = new URL[numJars]; |
| System.arraycopy(libJars, 0, jars, 0, libJars.length); |
| System.arraycopy(userJars, 0, jars, libJars.length, userJars.length); |
| System.arraycopy(systemJars, 0, jars, userJars.length + libJars.length, |
| systemJars.length); |
| |
| if (toolsJar != null) { |
| jars[jars.length - 1] = toolsJar.toURL(); |
| } |
| |
| |
| // now update the class.path property |
| StringBuffer baseClassPath |
| = new StringBuffer(System.getProperty("java.class.path")); |
| if (baseClassPath.charAt(baseClassPath.length() - 1) |
| == File.pathSeparatorChar) { |
| baseClassPath.setLength(baseClassPath.length() - 1); |
| } |
| |
| for (int i = 0; i < jars.length; ++i) { |
| baseClassPath.append(File.pathSeparatorChar); |
| baseClassPath.append(Locator.fromURI(jars[i].toString())); |
| } |
| |
| System.setProperty("java.class.path", baseClassPath.toString()); |
| |
| URLClassLoader loader = new URLClassLoader(jars); |
| Thread.currentThread().setContextClassLoader(loader); |
| try { |
| Class mainClass = loader.loadClass(MAIN_CLASS); |
| AntMain main = (AntMain) mainClass.newInstance(); |
| main.startAnt(newArgs, null, null); |
| } catch (Throwable t) { |
| t.printStackTrace(); |
| } |
| } |
| } |
| |