1 /*
2 * db2sa: DB2 Syntax Assistant
3 * Copyright (C) Andres Gomez Casanova
4 *
5 * This file is part of db2sa.
6 *
7 * db2sa is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Lesser General Public License as published by
9 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * db2sa is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public License
18 * along with this library; if not, see <http://www.gnu.org/licenses/>.
19 *
20 * Contact:
21 * a n g o c a at y a h o o dot c o m
22 * Cra. 45 No 61 - 31, Bogota, Colombia.
23 *
24 * Author: $LastChangedBy: angoca $:
25 * Date: $LastChangedDate: 2009-06-29 23:12:30 +0200 (Mon, 29 Jun 2009) $:
26 * Revision: $LastChangedRevision: 258 $:
27 * URL: $HeadURL: https://db2sa.svn.sourceforge.net/svnroot/db2sa/branches/db2sa_beta/source-code/src/main/java/name/angoca/db2sa/cli/jline/JlineInputReader.java $:
28 */
29 package name.angoca.db2sa.cli.jline;
30
31 import java.io.IOException;
32
33 import jline.ConsoleReader;
34 import name.angoca.db2sa.cli.InputReader;
35 import name.angoca.db2sa.cli.exceptions.InputReaderException;
36
37 /**
38 * Implementation of the input reader using JLine.<br/>
39 * <b>Control Version</b><br />
40 * <ul>
41 * <li>0.0.1 Class creation.</li>
42 * <li>0.0.2 'this' to access attributes.</li>
43 * <li>0.0.3 No override.</li>
44 * <li>0.0.4 final.</li>
45 * <li>1.0.0 Moved to version 1.</li>
46 * </ul>
47 *
48 * @author Andres Gomez Casanova <a
49 * href="mailto:a n g o c a at y a h o o dot c o m">(AngocA)</a>
50 * @version 1.0.0 2009-07-19
51 */
52 public final class JlineInputReader implements InputReader {
53 /**
54 * JLine console reader.
55 */
56 private final transient ConsoleReader m_reader;
57 /**
58 * Prompt to show in the console.
59 */
60 private final transient String m_prompt;
61
62 /**
63 * Constructor that flushes the stream.
64 *
65 * @param prompt
66 * Prompt to show in each line of the console.
67 * @throws InputReaderException
68 * If there is a problem flushing the stream.
69 */
70 public JlineInputReader(final String/* ! */prompt)
71 throws InputReaderException {
72 this.m_prompt = prompt;
73 try {
74 this.m_reader = new ConsoleReader();
75
76 // Normally, each time a tab is pressed, a beep sounds. It blocks
77 // that.
78 this.m_reader.setBellEnabled(false);
79
80 this.m_reader.addCompletor(new DB2Completor());
81 } catch (IOException exception) {
82 throw new InputReaderException(exception);
83 }
84 }
85
86 /*
87 * (non-Javadoc)
88 *
89 * @see name.angoca.db2sa.cli.InputReader#readString()
90 */
91 public String/* ! */readString() throws InputReaderException {
92 try {
93 return this.m_reader.readLine(this.m_prompt);
94 } catch (final IOException exception) {
95 throw new InputReaderException(exception);
96 }
97 }
98 }