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Java > Open Source Codes > org > apache > commons > jrcs > diff > AddDelta


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6  * Copyright (c) 1999-2003 The Apache Software Foundation.
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10  * modification, are permitted provided that the following conditions
11  * are met:
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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.
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28  * 4. The names "The Jakarta Project", "Commons", and "Apache Software
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57
58 package org.apache.commons.jrcs.diff;
59
60 import java.util.List JavaDoc;
61
62 /**
63  * Holds an add-delta between to revisions of a text.
64  *
65  * @version $Id: AddDelta.java,v 1.1 2004/10/06 09:47:23 ludovicc Exp $
66  * @author <a HREF="mailto:juanco@suigeneris.org">Juanco Anez</a>
67  * @see Delta
68  * @see Diff
69  * @see Chunk
70  */

71 public class AddDelta
72     extends Delta
73 {
74
75     AddDelta()
76     {
77         super();
78     }
79
80     public AddDelta(int origpos, Chunk rev)
81     {
82         init(new Chunk(origpos, 0), rev);
83     }
84
85     public void verify(List JavaDoc target) throws PatchFailedException
86     {
87         if (original.first() > target.size())
88         {
89             throw new PatchFailedException("original.first() > target.size()");
90         }
91     }
92
93     public void applyTo(List JavaDoc target)
94     {
95         revised.applyAdd(original.first(), target);
96     }
97
98     public void toString(StringBuffer JavaDoc s)
99     {
100         s.append(original.anchor());
101         s.append("a");
102         s.append(revised.rangeString());
103         s.append(Diff.NL);
104         revised.toString(s, "> ", Diff.NL);
105     }
106
107     /**
108      * @deprecated
109      */

110     public void toRCSString(StringBuffer JavaDoc s, String JavaDoc EOL)
111     {
112         s.append("a");
113         s.append(original.anchor());
114         s.append(" ");
115         s.append(revised.size());
116         s.append(EOL);
117         revised.toString(s, "", EOL);
118     }
119
120     /**
121      * @deprecated
122      */

123     public void Accept(RevisionVisitor visitor)
124     {
125         visitor.visit(this);
126     }
127
128     public void accept(RevisionVisitor visitor)
129     {
130         visitor.visit(this);
131     }
132 }
133
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