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Already have a Launcher ion this version.
git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@270177 13f79535-47bb-0310-9956-ffa450edef68master
Peter Donald
24 years ago
2 changed files with 0 additions and 374 deletions
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+0 -187proposal/myrmidon/src/main/org/apache/tools/ant/Launcher.java
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+0 -187proposal/myrmidon/src/todo/org/apache/tools/ant/Launcher.java
+ 0
- 187
proposal/myrmidon/src/main/org/apache/tools/ant/Launcher.java
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| @@ -1,187 +0,0 @@ | |||
| /* | |||
| * Copyright (C) The Apache Software Foundation. All rights reserved. | |||
| * | |||
| * This software is published under the terms of the Apache Software License | |||
| * version 1.1, a copy of which has been included with this distribution in | |||
| * the LICENSE file. | |||
| */ | |||
| package org.apache.tools.ant; | |||
| import java.io.File; | |||
| import java.io.FilenameFilter; | |||
| import java.lang.reflect.Method; | |||
| import java.net.MalformedURLException; | |||
| import java.net.URL; | |||
| import java.util.Properties; | |||
| import java.util.StringTokenizer; | |||
| import org.apache.myrmidon.api.TaskException; | |||
| /** | |||
| * This is the Ant command line front end to end. This front end works out where | |||
| * ant is installed and loads the ant libraries before starting Ant proper. | |||
| * | |||
| * @author <a href="mailto:conor@apache.org">Conor MacNeill</a> | |||
| */ | |||
| public class Launcher | |||
| { | |||
| public static void main( String[] args ) | |||
| throws TaskException | |||
| { | |||
| File antHome = null; | |||
| ClassLoader systemClassLoader = Launcher.class.getClassLoader(); | |||
| if( systemClassLoader == null ) | |||
| { | |||
| antHome = determineAntHome11(); | |||
| } | |||
| else | |||
| { | |||
| antHome = determineAntHome( systemClassLoader ); | |||
| } | |||
| if( antHome == null ) | |||
| { | |||
| System.err.println( "Unable to determine ANT_HOME" ); | |||
| System.exit( 1 ); | |||
| } | |||
| System.out.println( "ANT_HOME is " + antHome ); | |||
| // We now create the class loader with which we are going to launch ant | |||
| AntClassLoader antLoader = new AntClassLoader( systemClassLoader, false ); | |||
| // need to find tools.jar | |||
| addToolsJar( antLoader ); | |||
| // add everything in the lib directory to this classloader | |||
| File libDir = new File( antHome, "lib" ); | |||
| addDirJars( antLoader, libDir ); | |||
| File optionalDir = new File( antHome, "lib/optional" ); | |||
| addDirJars( antLoader, optionalDir ); | |||
| Properties launchProperties = new Properties(); | |||
| launchProperties.put( "ant.home", antHome.getAbsolutePath() ); | |||
| try | |||
| { | |||
| Class mainClass = antLoader.loadClass( "org.apache.tools.ant.Main" ); | |||
| antLoader.initializeClass( mainClass ); | |||
| final Class[] param = {Class.forName( "[Ljava.lang.String;" ), | |||
| Properties.class, ClassLoader.class}; | |||
| final Method startMethod = mainClass.getMethod( "start", param ); | |||
| final Object[] argument = {args, launchProperties, systemClassLoader}; | |||
| startMethod.invoke( null, argument ); | |||
| } | |||
| catch( Exception e ) | |||
| { | |||
| System.out.println( "Exception running Ant: " + e.getClass().getName() + ": " + e.getMessage() ); | |||
| e.printStackTrace(); | |||
| } | |||
| } | |||
| private static void addDirJars( AntClassLoader classLoader, File jarDir ) | |||
| throws TaskException | |||
| { | |||
| String[] fileList = jarDir.list( | |||
| new FilenameFilter() | |||
| { | |||
| public boolean accept( File dir, String name ) | |||
| { | |||
| return name.endsWith( ".jar" ); | |||
| } | |||
| } ); | |||
| if( fileList != null ) | |||
| { | |||
| for( int i = 0; i < fileList.length; ++i ) | |||
| { | |||
| File jarFile = new File( jarDir, fileList[ i ] ); | |||
| classLoader.addPathElement( jarFile.getAbsolutePath() ); | |||
| } | |||
| } | |||
| } | |||
| private static void addToolsJar( AntClassLoader antLoader ) | |||
| throws TaskException | |||
| { | |||
| String javaHome = System.getProperty( "java.home" ); | |||
| if( javaHome.endsWith( "jre" ) ) | |||
| { | |||
| javaHome = javaHome.substring( 0, javaHome.length() - 4 ); | |||
| } | |||
| System.out.println( "Java home is " + javaHome ); | |||
| File toolsJar = new File( javaHome, "lib/tools.jar" ); | |||
| if( !toolsJar.exists() ) | |||
| { | |||
| System.out.println( "Unable to find tools.jar at " + toolsJar.getPath() ); | |||
| } | |||
| else | |||
| { | |||
| antLoader.addPathElement( toolsJar.getAbsolutePath() ); | |||
| } | |||
| } | |||
| private static File determineAntHome( ClassLoader systemClassLoader ) | |||
| { | |||
| try | |||
| { | |||
| String className = Launcher.class.getName().replace( '.', '/' ) + ".class"; | |||
| URL classResource = systemClassLoader.getResource( className ); | |||
| String fileComponent = classResource.getFile(); | |||
| if( classResource.getProtocol().equals( "file" ) ) | |||
| { | |||
| // Class comes from a directory of class files rather than | |||
| // from a jar. | |||
| int classFileIndex = fileComponent.lastIndexOf( className ); | |||
| if( classFileIndex != -1 ) | |||
| { | |||
| fileComponent = fileComponent.substring( 0, classFileIndex ); | |||
| } | |||
| File classFilesDir = new File( fileComponent ); | |||
| File buildDir = new File( classFilesDir.getParent() ); | |||
| File devAntHome = new File( buildDir.getParent() ); | |||
| return devAntHome; | |||
| } | |||
| else if( classResource.getProtocol().equals( "jar" ) ) | |||
| { | |||
| // Class is coming from a jar. The file component of the URL | |||
| // is actually the URL of the jar file | |||
| int classSeparatorIndex = fileComponent.lastIndexOf( "!" ); | |||
| if( classSeparatorIndex != -1 ) | |||
| { | |||
| fileComponent = fileComponent.substring( 0, classSeparatorIndex ); | |||
| } | |||
| URL antJarURL = new URL( fileComponent ); | |||
| File antJarFile = new File( antJarURL.getFile() ); | |||
| File libDirectory = new File( antJarFile.getParent() ); | |||
| File antHome = new File( libDirectory.getParent() ); | |||
| return antHome; | |||
| } | |||
| } | |||
| catch( MalformedURLException e ) | |||
| { | |||
| e.printStackTrace(); | |||
| } | |||
| return null; | |||
| } | |||
| private static File determineAntHome11() | |||
| { | |||
| String classpath = System.getProperty( "java.class.path" ); | |||
| StringTokenizer tokenizer = new StringTokenizer( classpath, System.getProperty( "path.separator" ) ); | |||
| while( tokenizer.hasMoreTokens() ) | |||
| { | |||
| String path = tokenizer.nextToken(); | |||
| if( path.endsWith( "ant.jar" ) ) | |||
| { | |||
| File antJarFile = new File( path ); | |||
| File libDirectory = new File( antJarFile.getParent() ); | |||
| File antHome = new File( libDirectory.getParent() ); | |||
| return antHome; | |||
| } | |||
| } | |||
| return null; | |||
| } | |||
| } | |||
+ 0
- 187
proposal/myrmidon/src/todo/org/apache/tools/ant/Launcher.java
View File
| @@ -1,187 +0,0 @@ | |||
| /* | |||
| * Copyright (C) The Apache Software Foundation. All rights reserved. | |||
| * | |||
| * This software is published under the terms of the Apache Software License | |||
| * version 1.1, a copy of which has been included with this distribution in | |||
| * the LICENSE file. | |||
| */ | |||
| package org.apache.tools.ant; | |||
| import java.io.File; | |||
| import java.io.FilenameFilter; | |||
| import java.lang.reflect.Method; | |||
| import java.net.MalformedURLException; | |||
| import java.net.URL; | |||
| import java.util.Properties; | |||
| import java.util.StringTokenizer; | |||
| import org.apache.myrmidon.api.TaskException; | |||
| /** | |||
| * This is the Ant command line front end to end. This front end works out where | |||
| * ant is installed and loads the ant libraries before starting Ant proper. | |||
| * | |||
| * @author <a href="mailto:conor@apache.org">Conor MacNeill</a> | |||
| */ | |||
| public class Launcher | |||
| { | |||
| public static void main( String[] args ) | |||
| throws TaskException | |||
| { | |||
| File antHome = null; | |||
| ClassLoader systemClassLoader = Launcher.class.getClassLoader(); | |||
| if( systemClassLoader == null ) | |||
| { | |||
| antHome = determineAntHome11(); | |||
| } | |||
| else | |||
| { | |||
| antHome = determineAntHome( systemClassLoader ); | |||
| } | |||
| if( antHome == null ) | |||
| { | |||
| System.err.println( "Unable to determine ANT_HOME" ); | |||
| System.exit( 1 ); | |||
| } | |||
| System.out.println( "ANT_HOME is " + antHome ); | |||
| // We now create the class loader with which we are going to launch ant | |||
| AntClassLoader antLoader = new AntClassLoader( systemClassLoader, false ); | |||
| // need to find tools.jar | |||
| addToolsJar( antLoader ); | |||
| // add everything in the lib directory to this classloader | |||
| File libDir = new File( antHome, "lib" ); | |||
| addDirJars( antLoader, libDir ); | |||
| File optionalDir = new File( antHome, "lib/optional" ); | |||
| addDirJars( antLoader, optionalDir ); | |||
| Properties launchProperties = new Properties(); | |||
| launchProperties.put( "ant.home", antHome.getAbsolutePath() ); | |||
| try | |||
| { | |||
| Class mainClass = antLoader.loadClass( "org.apache.tools.ant.Main" ); | |||
| antLoader.initializeClass( mainClass ); | |||
| final Class[] param = {Class.forName( "[Ljava.lang.String;" ), | |||
| Properties.class, ClassLoader.class}; | |||
| final Method startMethod = mainClass.getMethod( "start", param ); | |||
| final Object[] argument = {args, launchProperties, systemClassLoader}; | |||
| startMethod.invoke( null, argument ); | |||
| } | |||
| catch( Exception e ) | |||
| { | |||
| System.out.println( "Exception running Ant: " + e.getClass().getName() + ": " + e.getMessage() ); | |||
| e.printStackTrace(); | |||
| } | |||
| } | |||
| private static void addDirJars( AntClassLoader classLoader, File jarDir ) | |||
| throws TaskException | |||
| { | |||
| String[] fileList = jarDir.list( | |||
| new FilenameFilter() | |||
| { | |||
| public boolean accept( File dir, String name ) | |||
| { | |||
| return name.endsWith( ".jar" ); | |||
| } | |||
| } ); | |||
| if( fileList != null ) | |||
| { | |||
| for( int i = 0; i < fileList.length; ++i ) | |||
| { | |||
| File jarFile = new File( jarDir, fileList[ i ] ); | |||
| classLoader.addPathElement( jarFile.getAbsolutePath() ); | |||
| } | |||
| } | |||
| } | |||
| private static void addToolsJar( AntClassLoader antLoader ) | |||
| throws TaskException | |||
| { | |||
| String javaHome = System.getProperty( "java.home" ); | |||
| if( javaHome.endsWith( "jre" ) ) | |||
| { | |||
| javaHome = javaHome.substring( 0, javaHome.length() - 4 ); | |||
| } | |||
| System.out.println( "Java home is " + javaHome ); | |||
| File toolsJar = new File( javaHome, "lib/tools.jar" ); | |||
| if( !toolsJar.exists() ) | |||
| { | |||
| System.out.println( "Unable to find tools.jar at " + toolsJar.getPath() ); | |||
| } | |||
| else | |||
| { | |||
| antLoader.addPathElement( toolsJar.getAbsolutePath() ); | |||
| } | |||
| } | |||
| private static File determineAntHome( ClassLoader systemClassLoader ) | |||
| { | |||
| try | |||
| { | |||
| String className = Launcher.class.getName().replace( '.', '/' ) + ".class"; | |||
| URL classResource = systemClassLoader.getResource( className ); | |||
| String fileComponent = classResource.getFile(); | |||
| if( classResource.getProtocol().equals( "file" ) ) | |||
| { | |||
| // Class comes from a directory of class files rather than | |||
| // from a jar. | |||
| int classFileIndex = fileComponent.lastIndexOf( className ); | |||
| if( classFileIndex != -1 ) | |||
| { | |||
| fileComponent = fileComponent.substring( 0, classFileIndex ); | |||
| } | |||
| File classFilesDir = new File( fileComponent ); | |||
| File buildDir = new File( classFilesDir.getParent() ); | |||
| File devAntHome = new File( buildDir.getParent() ); | |||
| return devAntHome; | |||
| } | |||
| else if( classResource.getProtocol().equals( "jar" ) ) | |||
| { | |||
| // Class is coming from a jar. The file component of the URL | |||
| // is actually the URL of the jar file | |||
| int classSeparatorIndex = fileComponent.lastIndexOf( "!" ); | |||
| if( classSeparatorIndex != -1 ) | |||
| { | |||
| fileComponent = fileComponent.substring( 0, classSeparatorIndex ); | |||
| } | |||
| URL antJarURL = new URL( fileComponent ); | |||
| File antJarFile = new File( antJarURL.getFile() ); | |||
| File libDirectory = new File( antJarFile.getParent() ); | |||
| File antHome = new File( libDirectory.getParent() ); | |||
| return antHome; | |||
| } | |||
| } | |||
| catch( MalformedURLException e ) | |||
| { | |||
| e.printStackTrace(); | |||
| } | |||
| return null; | |||
| } | |||
| private static File determineAntHome11() | |||
| { | |||
| String classpath = System.getProperty( "java.class.path" ); | |||
| StringTokenizer tokenizer = new StringTokenizer( classpath, System.getProperty( "path.separator" ) ); | |||
| while( tokenizer.hasMoreTokens() ) | |||
| { | |||
| String path = tokenizer.nextToken(); | |||
| if( path.endsWith( "ant.jar" ) ) | |||
| { | |||
| File antJarFile = new File( path ); | |||
| File libDirectory = new File( antJarFile.getParent() ); | |||
| File antHome = new File( libDirectory.getParent() ); | |||
| return antHome; | |||
| } | |||
| } | |||
| return null; | |||
| } | |||
| } | |||