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

Class MetaDataMergeStrategyResolver

java.lang.Object

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

All Implemented Interfaces:

DescriptorMergeStrategyResolver

public class MetaDataMergeStrategyResolver
extends Object
implements DescriptorMergeStrategyResolver

Resolves the DescriptorMergeStrategy to use for a given descriptor, based on the value of an element in the descriptor document.

Author:

Sumer Jabri, Alfonso Vasquez

Constructor Summary

Constructors

Constructor and Description
MetaDataMergeStrategyResolver()

Method Summary

Modifier and Type	Method and Description
DescriptorMergeStrategy	getStrategy(String descriptorUrl, org.dom4j.Document descriptorDom) Returns a DescriptorMergeStrategy for a given descriptor.
void	setElementValueToStrategyMappings(Map<String,DescriptorMergeStrategy> elementValueToStrategyMappings)
void	setMergeStrategyElementXPathQuery(String mergeStrategyElementXPathQuery)

Methods inherited from class java.lang.Object

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

Constructor Detail

MetaDataMergeStrategyResolver

public MetaDataMergeStrategyResolver()

Method Detail

setMergeStrategyElementXPathQuery

public void setMergeStrategyElementXPathQuery(String mergeStrategyElementXPathQuery)

setElementValueToStrategyMappings

public void setElementValueToStrategyMappings(Map<String,DescriptorMergeStrategy> elementValueToStrategyMappings)

getStrategy

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

Returns a DescriptorMergeStrategy for a given descriptor. The strategy chosen is the one defined in the descriptor document.

Specified by:

getStrategy in interface DescriptorMergeStrategyResolver

Parameters:

descriptorUrl - the URL that identifies the descriptor

descriptorDom - the XML DOM of the descriptor

Returns:

the DescriptorMergeStrategy for the descriptor, or null if the DOM is null or if there's no element in the DOM that defines the merge strategy to use.

Throws:

XmlException - if the element value doesn't refer to an existing strategy