difflib
Class ChangeDelta

java.lang.Object
  difflib.Delta
      difflib.ChangeDelta

public class ChangeDelta
extends Delta

Describes the change-delta between original and revised texts.

Author:

Dmitry Naumenko

Constructor Summary

ChangeDelta(Chunk original, Chunk revised)

Method Summary

void	applyTo(java.util.List<java.lang.Object> target) Applies this delta as the patch for a given target
void	restore(java.util.List<java.lang.Object> target) Cancel this delta for a given revised text.
void	verify(java.util.List<?> target) Verifies that this delta can be used to patch the given text.

Methods inherited from class difflib.Delta

equals, getOriginal, getRevised, hashCode, setOriginal, setRevised

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ChangeDelta

public ChangeDelta(Chunk original,
                   Chunk revised)

Method Detail

applyTo

public void applyTo(java.util.List<java.lang.Object> target)
             throws PatchFailedException

Applies this delta as the patch for a given target

Specified by:

applyTo in class Delta

Parameters:

target - the given target

Throws:

PatchFailedException

restore

public void restore(java.util.List<java.lang.Object> target)

Cancel this delta for a given revised text. The action is opposite to patch.

Specified by:

restore in class Delta

Parameters:

target - the given revised text

verify

public void verify(java.util.List<?> target)
            throws PatchFailedException

Verifies that this delta can be used to patch the given text.

Specified by:

verify in class Delta

Parameters:

target - the text to patch.

Throws:

PatchFailedException - if the patch cannot be applied.