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Java > Open Source Codes > org > openejb > server > telnet > GroovySh


1 /**
2  * Redistribution and use of this software and associated documentation
3  * ("Software"), with or without modification, are permitted provided
4  * that the following conditions are met:
5  *
6  * 1. Redistributions of source code must retain copyright
7  * statements and notices. Redistributions must also contain a
8  * copy of this document.
9  *
10  * 2. Redistributions in binary form must reproduce the
11  * above copyright notice, this list of conditions and the
12  * following disclaimer in the documentation and/or other
13  * materials provided with the distribution.
14  *
15  * 3. The name "OpenEJB" must not be used to endorse or promote
16  * products derived from this Software without prior written
17  * permission of The OpenEJB Group. For written permission,
18  * please contact dev@openejb.org.
19  *
20  * 4. Products derived from this Software may not be called "OpenEJB"
21  * nor may "OpenEJB" appear in their names without prior written
22  * permission of The OpenEJB Group. OpenEJB is a registered
23  * trademark of The OpenEJB Group.
24  *
25  * 5. Due credit should be given to the OpenEJB Project
26  * (http://www.openejb.org/).
27  *
28  * THIS SOFTWARE IS PROVIDED BY THE OPENEJB GROUP AND CONTRIBUTORS
29  * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
30  * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
31  * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
32  * THE OPENEJB GROUP OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
33  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
34  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
35  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
37  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
38  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
39  * OF THE POSSIBILITY OF SUCH DAMAGE.
40  *
41  * Copyright 2001 (C) The OpenEJB Group. All Rights Reserved.
42  *
43  * $Id: GroovySh.java 1912 2005-06-16 22:29:56Z jlaskowski $
44  */
45 package org.openejb.server.telnet;
46
47
48 import java.io.BufferedReader JavaDoc;
49 import java.io.DataInputStream JavaDoc;
50 import java.io.IOException JavaDoc;
51 import java.io.InputStreamReader JavaDoc;
52 import java.io.PrintStream JavaDoc;
53
54 //import org.codehaus.groovy.runtime.InvokerHelper;
55 //import groovy.lang.GroovyShell;
56
57 /**
58  * @author <a HREF="mailto:david.blevins@visi.com">David Blevins</a>
59  */
60 public class GroovySh extends Command {
61
62     public static void register() {
63         //Command.register("groovysh", GroovySh.class);
64 }
65     
66     public void exec(Arguments args, DataInputStream JavaDoc in, PrintStream JavaDoc out) throws IOException JavaDoc{
67 /* GroovyShell shell = new GroovyShell();
68         BufferedReader reader = new BufferedReader(new InputStreamReader(in));
69
70         String version = InvokerHelper.getVersion();
71         
72         out.println("Lets get Groovy!");
73         out.println("================");
74         out.println("Version: " + version + " JVM: " + System.getProperty("java.vm.version"));
75         out.println("Hit carriage return twice to execute a command");
76         out.println("The command 'quit' will terminate the shell");
77         
78         int counter = 1;
79         while (true) {
80             StringBuffer buffer = new StringBuffer();
81             while (true) {
82                 out.print("groovy> ");
83                 String line = reader.readLine();
84                 if (line != null) {
85                     buffer.append(line);
86                     buffer.append('\n');
87                 }
88                 if (line == null || line.trim().length() == 0) {
89                     break;
90                 }
91             }
92             String command = buffer.toString().trim();
93             if (command == null || command.equals("quit")) {
94                 break;
95             }
96             try {
97                 Object answer = shell.evaluate(command, "CommandLine" + counter++ +".groovy");
98                 out.println(InvokerHelper.inspect(answer));
99             }
100             catch (Exception e) {
101                 out.println("Caught: " + e);
102                 e.printStackTrace();
103             }
104         }
105 */ }
106 }
107
108
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