DescriptorMergeStrategyResolverChain (Crafter Core 4.0.0-rc1 API)

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 Description

DescriptorMergeStrategyResolverChain()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	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.