/*
* ====================================================================
*
* 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.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
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*
* 3. The end-user documentation included with the redistribution, if any, must
* include the following acknowledgement: "This product includes software
* developed by the Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgement may appear in the software itself, if and
* wherever such third-party acknowledgements normally appear.
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* Foundation" must not be used to endorse or promote products derived from this
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* 5. Products derived from this software may not be called "Apache" nor may
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*
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* Software Foundation, please see <http://www.apache.org/>.
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package org.apache.wicket.util.diff;
import java.util.List;
/**
* Holds an add-delta between to revisions of a text.
*
* @version $Id: AddDelta.java,v 1.1 2006/03/12 00:24:21 juanca Exp $
* @author <a href="mailto:juanco@suigeneris.org">Juanco Anez</a>
* @see Delta
* @see Diff
* @see Chunk
*/
public class AddDelta extends Delta
{
/**
* Construct.
*/
AddDelta()
{
}
/**
* Construct.
*
* @param origpos
* @param rev
*/
public AddDelta(final int origpos, final Chunk rev)
{
init(new Chunk(origpos, 0), rev);
}
/**
* @see org.apache.wicket.util.diff.Delta#verify(java.util.List)
*/
@Override
public void verify(final List<Object> target) throws PatchFailedException
{
if (original.first() > target.size())
{
throw new PatchFailedException("original.first() > target.size()");
}
}
/**
* @see org.apache.wicket.util.diff.Delta#applyTo(java.util.List)
*/
@Override
public void applyTo(final List<Object> target)
{
revised.applyAdd(original.first(), target);
}
/**
* @see org.apache.wicket.util.diff.Delta#toString(StringBuilder)
*/
@Override
public void toString(final StringBuilder s)
{
s.append(original.anchor());
s.append("a");
s.append(revised.rangeString());
s.append(Diff.NL);
revised.toString(s, "> ", Diff.NL);
}
/**
* @see org.apache.wicket.util.diff.Delta#toRCSString(StringBuilder, String)
*/
@Override
public void toRCSString(final StringBuilder s, final String EOL)
{
s.append("a");
s.append(original.anchor());
s.append(" ");
s.append(revised.size());
s.append(EOL);
revised.toString(s, "", EOL);
}
/**
* @see org.apache.wicket.util.diff.Delta#accept(org.apache.wicket.util.diff.RevisionVisitor)
*/
@Override
public void accept(final RevisionVisitor visitor)
{
visitor.visit(this);
}
}