1 package org.codehaus.mojo.macker;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import java.io.File;
23 import java.util.ArrayList;
24 import java.util.List;
25
26 import org.codehaus.plexus.util.cli.shell.Shell;
27 /**
28 * Special version of Plexus CLI Shell that forks to a JVM immediately without
29 * creating a command line. It uses the current java.home setting to find the java
30 * executable. So we have more memory for command line arguments.
31 * @author <a href="http://www.code-cop.org/">Peter Kofler</a>
32 */
33 public class JavaShell
34 extends Shell
35 {
36
37 public JavaShell()
38 {
39 this( new String[0] );
40 }
41
42 public JavaShell( List vmArgs )
43 {
44 this( (String[]) vmArgs.toArray( new String[vmArgs.size()] ) );
45 }
46
47 public JavaShell( String[] vmArgs )
48 {
49 String javaPath = System.getProperty( "java.home" ) + File.separator + "bin";
50 setShellCommand( javaPath + File.separator + "java" );
51 setQuotedExecutableEnabled( false );
52 setQuotedArgumentsEnabled( false );
53 setShellArgs( vmArgs );
54 }
55
56 protected List getRawCommandLine( String executable, String[] arguments )
57 {
58 List commandLine = new ArrayList();
59
60 if ( executable != null )
61 {
62 commandLine.add( getExecutable() );
63 }
64 for ( int i = 0; i < arguments.length; i++ )
65 {
66 commandLine.add( arguments[i] );
67 }
68 return commandLine;
69 }
70 }