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Java > Open Source Codes > com > sun > enterprise > cli > framework > User


1 /*
2  * The contents of this file are subject to the terms
3  * of the Common Development and Distribution License
4  * (the License). You may not use this file except in
5  * compliance with the License.
6  *
7  * You can obtain a copy of the license at
8  * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9  * glassfish/bootstrap/legal/CDDLv1.0.txt.
10  * See the License for the specific language governing
11  * permissions and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL
14  * Header Notice in each file and include the License file
15  * at glassfish/bootstrap/legal/CDDLv1.0.txt.
16  * If applicable, add the following below the CDDL Header,
17  * with the fields enclosed by brackets [] replaced by
18  * you own identifying information:
19  * "Portions Copyrighted [year] [name of copyright owner]"
20  *
21  * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22  */
23
24 package com.sun.enterprise.cli.framework;
25
26 import java.io.BufferedReader JavaDoc;
27 import java.io.BufferedWriter JavaDoc;
28 import java.io.IOException JavaDoc;
29 import java.io.Reader JavaDoc;
30 import java.io.Writer JavaDoc;
31
32 class User
33 {
34     private BufferedReader JavaDoc fromUser;
35     private BufferedWriter JavaDoc toUser;
36     private String JavaDoc quit;
37     private String JavaDoc prompt;
38     
39     User(Reader JavaDoc in, Writer JavaDoc out, String JavaDoc quitPrefix, String JavaDoc prompt){
40         fromUser = new BufferedReader JavaDoc(in);
41         toUser = new BufferedWriter JavaDoc(out);
42         quit = quitPrefix;
43         this.prompt = prompt;
44     }
45       /**
46        * Return false iff the line read from the user starts with the
47        * quit character. This is a blocking call, waiting on input
48        * from the user
49        */
50     boolean wantsToContinue() throws IOException JavaDoc {
51         toUser.write(prompt);
52         toUser.newLine();
53         toUser.flush();
54         return !fromUser.readLine().startsWith(quit);
55     }
56
57     void handleException (Exception JavaDoc e) throws IOException JavaDoc {
58         toUser.write(e.getMessage());
59         toUser.flush();
60     }
61     
62 }
63
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