001 /* 002 $Id: GroovyStarter.java,v 1.2 2005/07/04 15:18:27 blackdrag Exp $ 003 004 Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved. 005 006 Redistribution and use of this software and associated documentation 007 ("Software"), with or without modification, are permitted provided 008 that the following conditions are met: 009 010 1. Redistributions of source code must retain copyright 011 statements and notices. Redistributions must also contain a 012 copy of this document. 013 014 2. Redistributions in binary form must reproduce the 015 above copyright notice, this list of conditions and the 016 following disclaimer in the documentation and/or other 017 materials provided with the distribution. 018 019 3. The name "groovy" must not be used to endorse or promote 020 products derived from this Software without prior written 021 permission of The Codehaus. For written permission, 022 please contact info@codehaus.org. 023 024 4. Products derived from this Software may not be called "groovy" 025 nor may "groovy" appear in their names without prior written 026 permission of The Codehaus. "groovy" is a registered 027 trademark of The Codehaus. 028 029 5. Due credit should be given to The Codehaus - 030 http://groovy.codehaus.org/ 031 032 THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS 033 ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT 034 NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 035 FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 036 THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 037 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 038 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 039 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 040 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 041 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 042 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 043 OF THE POSSIBILITY OF SUCH DAMAGE. 044 045 */ 046 package org.codehaus.groovy.tools; 047 048 import org.codehaus.classworlds.ClassRealm; 049 import org.codehaus.classworlds.ClassWorld; 050 import java.lang.reflect .*; 051 import groovy.ui.GroovyMain; 052 import groovy.ui.InteractiveShell; 053 import java.net.URL; 054 import java.io.File; 055 056 057 058 /** 059 * Helper class to help classworlds to load classes. 060 */ 061 public class GroovyStarter { 062 063 static void printUsage() { 064 System.out.println("possible programs are 'groovyc','groovy','console','grok' and 'groovysh'"); 065 System.exit(1); 066 } 067 068 public static void main(String oldArgs[],ClassWorld classWorld ) { 069 try { 070 // Creates a realm with *just* the system classloader 071 ClassRealm system = classWorld.newRealm("system"); 072 073 // Get the groovy realm 074 ClassRealm groovy = classWorld.getRealm("groovy"); 075 076 // import everything from the system realm, because imports 077 // are searched *first* in Classworlds 078 groovy.importFrom("system", ""); 079 080 //add tools.jar to classpath 081 String tools = System.getProperty("tools.jar"); 082 if (tools!=null) { 083 URL ref = (new File(tools)).toURI().toURL(); 084 groovy.addConstituent(ref); 085 } 086 087 if (oldArgs.length==0) { 088 printUsage(); 089 System.exit(1); 090 } 091 092 String program = oldArgs[0].toLowerCase(); 093 String[] args = new String[oldArgs.length-1]; 094 for (int i=0; i<args.length; i++) { 095 args[i] = oldArgs[i+1]; 096 } 097 098 if (program.equals("groovyc")) { 099 org.codehaus.groovy.tools.FileSystemCompiler.main(args); 100 } else if (program.equals("groovy")) { 101 GroovyMain.main(args); 102 } else if (program.equals("console")) { 103 // work around needed, because the console is compiled after this files 104 Class c = Class.forName("groovy.ui.Console"); 105 Method m= c.getMethod("main", new Class[]{String[].class}); 106 m.invoke(null, new Object[]{args}); 107 } else if (program.equals("groovysh")) { 108 InteractiveShell.main(args); 109 } else if (program.equals("grok")) { 110 org.codehaus.groovy.tools.Grok.main(args); 111 } else { 112 System.out.println("unknown program "+program); 113 printUsage(); 114 System.exit(1); 115 } 116 117 } catch (Exception e) { 118 e.printStackTrace(); 119 System.exit(1); 120 } 121 122 } 123 }