Jskad/source/org/apache/commons/jrcs/diff/AddDelta.java
2003-07-14 12:22:29 +00:00

131 lines
4 KiB
Java

/*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999-2003 The Apache Software Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Commons", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.commons.jrcs.diff;
import java.util.List;
/**
* Holds an add-delta between to revisions of a text.
*
* @version $Id: AddDelta.java,v 1.1 2003/07/14 12:22:29 dchandler Exp $
* @author <a href="mailto:juanco@suigeneris.org">Juanco Anez</a>
* @see Delta
* @see Diff
* @see Chunk
*/
public class AddDelta
extends Delta
{
AddDelta()
{
super();
}
public AddDelta(int origpos, Chunk rev)
{
init(new Chunk(origpos, 0), rev);
}
public void verify(List target) throws PatchFailedException
{
if (original.first() > target.size())
{
throw new PatchFailedException("original.first() > target.size()");
}
}
public void applyTo(List target)
{
revised.applyAdd(original.first(), target);
}
public void toString(StringBuffer s)
{
s.append(original.anchor());
s.append("a");
s.append(revised.rangeString());
s.append(Diff.NL);
revised.toString(s, "> ", Diff.NL);
}
public void toRCSString(StringBuffer s, String EOL)
{
s.append("a");
s.append(original.anchor());
s.append(" ");
s.append(revised.size());
s.append(EOL);
revised.toString(s, "", EOL);
}
public void Accept(RevisionVisitor visitor)
{
visitor.visit(this);
}
public void accept(RevisionVisitor visitor)
{
visitor.visit(this);
}
}