org.codehaus.cargo.module.merge.tagstrategy
Class NodeMergeStrategy

java.lang.Object
  org.codehaus.cargo.module.merge.tagstrategy.NodeMergeStrategy

All Implemented Interfaces:

MergeStrategy

public class NodeMergeStrategy
extends java.lang.Object
implements MergeStrategy

A merging strategy that can be used to combine two XML documents together.

Version:

$Id $

Constructor Summary

NodeMergeStrategy(DescriptorType type, org.jdom.Element template)
Constructor.

NodeMergeStrategy(DescriptorType type, java.io.InputStream stream)
Constructor.

Method Summary

int	inBoth(Descriptor target, DescriptorElement left, DescriptorElement right) Process when the element appears in both descriptors.
int	inLeft(Descriptor target, DescriptorElement left) Process when the element appears just in the left descriptor.
int	inRight(Descriptor target, DescriptorElement right) Process when the element appears just in the left descriptor.

Methods inherited from class java.lang.Object

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

Constructor Detail

NodeMergeStrategy

public NodeMergeStrategy(DescriptorType type,
                         org.jdom.Element template)

Constructor.

Parameters:

type - the descriptor type

template - in the template to use in the merge

NodeMergeStrategy

public NodeMergeStrategy(DescriptorType type,
                         java.io.InputStream stream)
                  throws java.io.IOException,
                         org.jdom.JDOMException

Constructor.

Parameters:

type - Descriptor Type

stream - content input stream

Throws:

java.io.IOException - if IO Exception

org.jdom.JDOMException - if parser error

Method Detail

inBoth

public int inBoth(Descriptor target,
                  DescriptorElement left,
                  DescriptorElement right)

Process when the element appears in both descriptors.

Specified by:

inBoth in interface MergeStrategy

Parameters:

target - output descriptor

left - left element

right - right element

Returns:

count of merged elements

See Also:

org.codehaus.cargo.module.merge.DescriptorMergerByTag.MergeStrategy#inBoth(org.codehaus.cargo.module.Descriptor, org.codehaus.cargo.module.DescriptorElement, org.codehaus.cargo.module.DescriptorElement)

inLeft

public int inLeft(Descriptor target,
                  DescriptorElement left)

Process when the element appears just in the left descriptor.

Specified by:

inLeft in interface MergeStrategy

Parameters:

target - output descriptor

left - left element

Returns:

count of merged elements

See Also:

org.codehaus.cargo.module.merge.DescriptorMergerByTag.MergeStrategy#inLeft(org.codehaus.cargo.module.Descriptor, org.codehaus.cargo.module.DescriptorElement)

inRight

public int inRight(Descriptor target,
                   DescriptorElement right)

Process when the element appears just in the left descriptor.

Specified by:

inRight in interface MergeStrategy

Parameters:

target - output descriptor

right - right element

Returns:

count of merged elements

See Also:

org.codehaus.cargo.module.merge.DescriptorMergerByTag.MergeStrategy#inRight(org.codehaus.cargo.module.Descriptor, org.codehaus.cargo.module.DescriptorElement)