org.craftercms.core.xml.mergers.impl.resolvers

Class DescriptorMergeStrategyResolverChain

java.lang.Object

org.craftercms.core.xml.mergers.impl.resolvers.DescriptorMergeStrategyResolverChain

All Implemented Interfaces:

DescriptorMergeStrategyResolver

public class DescriptorMergeStrategyResolverChain
extends Object
implements DescriptorMergeStrategyResolver

Chain of DescriptorMergeStrategyResolvers. The strategy returned is the first non-null one returned by a DescriptorMergeStrategyMapper of the chain.

Author:

Alfonso Vásquez

Constructor Summary

Constructors

Constructor and Description
DescriptorMergeStrategyResolverChain()

Method Summary

Modifier and Type	Method and Description
DescriptorMergeStrategy	getStrategy(String descriptorUrl, org.dom4j.Document descriptorDom) Returns the first non-null strategy returned by a DescriptorMergeStrategyResolver of the chain.
void	setDefaultStrategy(DescriptorMergeStrategy defaultStrategy)
void	setResolvers(List<DescriptorMergeStrategyResolver> resolvers)

Methods inherited from class java.lang.Object

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

Constructor Detail

DescriptorMergeStrategyResolverChain

public DescriptorMergeStrategyResolverChain()

Method Detail

setDefaultStrategy

public void setDefaultStrategy(DescriptorMergeStrategy defaultStrategy)

setResolvers

public void setResolvers(List<DescriptorMergeStrategyResolver> resolvers)

getStrategy

public DescriptorMergeStrategy getStrategy(String descriptorUrl,
                                           org.dom4j.Document descriptorDom)

Returns the first non-null strategy returned by a DescriptorMergeStrategyResolver of the chain. If there a no resolvers in the chain, or non of resolvers returns a DescriptorMergeStrategy, a default strategy is returned.

Specified by:

getStrategy in interface DescriptorMergeStrategyResolver

Parameters:

descriptorUrl - the URL that identifies the descriptor

descriptorDom - the XML DOM of the descriptor

Returns:

the first non-null strategy returned by a DescriptorMergeStrategyResolver of the chain, or a default one if all the resolvers returned null.