org.conqat.lib.commons.diff

Class DifferBase<T>

java.lang.Object

org.conqat.lib.commons.diff.DifferBase<T>

Direct Known Subclasses:

LineBasedDiffer, RegionDiffer

public abstract class DifferBase<T>
extends java.lang.Object

Base class for the code that produces a DiffDescription for two elements.

Constructor Summary

Constructors

Constructor and Description
DifferBase()

Method Summary

Modifier and Type	Method and Description
protected abstract java.util.List<TextChunk>	getChunks(T element, boolean isLeft) Returns the chunks for an element.
protected abstract java.lang.String	getDiffName() Returns the name for this diff.
protected abstract java.lang.String	getElementText(T element) Get the text of the element.
DiffDescription	performDiff(T leftElement, T rightElement) Performs the diff and returns a DiffDescription.
protected DiffDescription	postProcessDiffDescription(DiffDescription diffDescription) Post processing of the diffDescription.

Methods inherited from class java.lang.Object

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

Constructor Detail

DifferBase

public DifferBase()

Method Detail

performDiff

public DiffDescription performDiff(T leftElement,
                                   T rightElement)

Performs the diff and returns a DiffDescription.

postProcessDiffDescription

protected DiffDescription postProcessDiffDescription(DiffDescription diffDescription)

Post processing of the diffDescription.

getElementText

protected abstract java.lang.String getElementText(T element)

Get the text of the element.

getChunks

protected abstract java.util.List<TextChunk> getChunks(T element,
                                                       boolean isLeft)

Returns the chunks for an element.

Parameters:

isLeft - indicates whether this method is called for the left or right element. The implementer then may behave differently for both elements (possibly depending on additional information).

getDiffName

protected abstract java.lang.String getDiffName()

Returns the name for this diff.