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 }