001 /*
002 $Id: GroovyStarter.java,v 1.1 2005/03/14 23:11:57 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
054
055
056 /**
057 * Helper class to help classworlds to load classes.
058 */
059 public class GroovyStarter {
060
061 static void printUsage() {
062 System.out.println("possible programs are 'groovyc','groovy','console','grok' and 'groovysh'");
063 System.exit(1);
064 }
065
066 public static void main(String oldArgs[],ClassWorld classWorld ) {
067 try {
068 // Creates a realm with *just* the system classloader
069 ClassRealm system = classWorld.newRealm("system");
070
071 // Get the groovy realm
072 ClassRealm groovy = classWorld.getRealm("groovy");
073
074 // import everything from the system realm, because imports
075 // are searched *first* in Classworlds
076 groovy.importFrom("system", "");
077
078 if (oldArgs.length==0) {
079 printUsage();
080 System.exit(1);
081 }
082
083 String program = oldArgs[0].toLowerCase();
084 String[] args = new String[oldArgs.length-1];
085 for (int i=0; i<args.length; i++) {
086 args[i] = oldArgs[i+1];
087 }
088
089 if (program.equals("groovyc")) {
090 org.codehaus.groovy.tools.FileSystemCompiler.main(args);
091 } else if (program.equals("groovy")) {
092 GroovyMain.main(args);
093 } else if (program.equals("console")) {
094 // work around needed, because the console is compiled after this files
095 Class c = Class.forName("groovy.ui.Console");
096 Method m= c.getMethod("main", new Class[]{String[].class});
097 m.invoke(null, new Object[]{args});
098 } else if (program.equals("groovysh")) {
099 InteractiveShell.main(args);
100 } else if (program.equals("grok")) {
101 org.codehaus.groovy.tools.Grok.main(args);
102 } else {
103 System.out.println("unknown program "+program);
104 printUsage();
105 System.exit(1);
106 }
107
108 } catch (Exception e) {
109 e.printStackTrace();
110 System.exit(1);
111 }
112
113 }
114 }