KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > apache > commons > jrcs > diff > print > RCSPrint


1 /*
2  * ====================================================================
3  *
4  * The Apache Software License, Version 1.1
5  *
6  * Copyright (c) 1999-2003 The Apache Software Foundation.
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  *
13  * 1. Redistributions of source code must retain the above copyright
14  * notice, this list of conditions and the following disclaimer.
15  *
16  * 2. Redistributions in binary form must reproduce the above copyright
17  * notice, this list of conditions and the following disclaimer in
18  * the documentation and/or other materials provided with the
19  * distribution.
20  *
21  * 3. The end-user documentation included with the redistribution, if
22  * any, must include the following acknowledgement:
23  * "This product includes software developed by the
24  * Apache Software Foundation (http://www.apache.org/)."
25  * Alternately, this acknowledgement may appear in the software itself,
26  * if and wherever such third-party acknowledgements normally appear.
27  *
28  * 4. The names "The Jakarta Project", "Commons", and "Apache Software
29  * Foundation" must not be used to endorse or promote products derived
30  * from this software without prior written permission. For written
31  * permission, please contact apache@apache.org.
32  *
33  * 5. Products derived from this software may not be called "Apache"
34  * nor may "Apache" appear in their names without prior written
35  * permission of the Apache Software Foundation.
36  *
37  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
38  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
39  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
40  * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
41  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
42  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
43  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
44  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
45  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
46  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
47  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
48  * SUCH DAMAGE.
49  * ====================================================================
50  *
51  * This software consists of voluntary contributions made by many
52  * individuals on behalf of the Apache Software Foundation. For more
53  * information on the Apache Software Foundation, please see
54  * <http://www.apache.org/>.
55  *
56  */
57
58 package org.apache.commons.jrcs.diff.print;
59
60 import org.apache.commons.jrcs.diff.AddDelta;
61 import org.apache.commons.jrcs.diff.ChangeDelta;
62 import org.apache.commons.jrcs.diff.Chunk;
63 import org.apache.commons.jrcs.diff.DeleteDelta;
64
65
66 /**
67  * Prints a resvision in the RCS format
68  *
69  * @author <a HREF="mailto:ludovicc@users.sourceforge.net">Ludovic Claude</a>
70  * @version $Revision: 1.1 $ $Date: 2004/10/06 09:47:23 $
71  * @created on 17 janv. 2004
72  */
73 public class RCSPrint extends BasePrint {
74
75     /**
76      * Constructor for RCSPrint
77      * @param sb
78      */
79     public RCSPrint(StringBuffer JavaDoc sb) {
80         super(sb);
81     }
82
83     /**
84      * {@inheritDoc}
85      * @param delta
86      */
87     public void visit(DeleteDelta delta) {
88         StringBuffer JavaDoc s = getStringBuffer();
89         Chunk original = delta.getOriginal();
90         s.append("d");
91         s.append(original.rcsfrom());
92         s.append(" ");
93         s.append(original.size());
94         s.append(getEOL());
95     }
96
97     /**
98      * {@inheritDoc}
99      * @param delta
100      */
101     public void visit(ChangeDelta delta) {
102         StringBuffer JavaDoc s = getStringBuffer();
103         Chunk original = delta.getOriginal();
104         Chunk revised = delta.getRevised();
105         s.append("d");
106         s.append(original.rcsfrom());
107         s.append(" ");
108         s.append(original.size());
109         s.append(getEOL());
110         s.append("a");
111         s.append(original.rcsto());
112         s.append(" ");
113         s.append(revised.size());
114         s.append(getEOL());
115         revised.toString(s, "", getEOL());
116     }
117
118     /**
119      * {@inheritDoc}
120      * @param delta
121      */
122     public void visit(AddDelta delta) {
123         StringBuffer JavaDoc s = getStringBuffer();
124         Chunk original = delta.getOriginal();
125         Chunk revised = delta.getRevised();
126         s.append("a");
127         s.append(original.anchor());
128         s.append(" ");
129         s.append(revised.size());
130         s.append(getEOL());
131         revised.toString(s, "", getEOL());
132     }
133         
134 }
135
Popular Tags