org.apache.commons.digester.plugins.strategies
Class FinderFromDfltMethod

java.lang.Object
  extended by org.apache.commons.digester.plugins.RuleFinder
      extended by org.apache.commons.digester.plugins.strategies.FinderFromDfltMethod

public class FinderFromDfltMethod
extends RuleFinder

A rule-finding algorithm which looks for a method with a specific name on the plugin class.

Since:
1.6

Field Summary
static String DFLT_METHOD_NAME
           
 
Constructor Summary
FinderFromDfltMethod()
          See findLoader(org.apache.commons.digester.Digester, java.lang.Class, java.util.Properties).
FinderFromDfltMethod(String methodName)
          Create a rule-finder which invokes a specific method on the plugin class whenever dynamic rules for a plugin need to be loaded.
 
Method Summary
 RuleLoader findLoader(Digester d, Class<?> pluginClass, Properties p)
          If there exists on the plugin class a method with name matching the constructor's methodName value then locate the appropriate Method on the plugin class and return an object encapsulating that info.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

DFLT_METHOD_NAME

public static String DFLT_METHOD_NAME
Constructor Detail

FinderFromDfltMethod

public FinderFromDfltMethod()
See findLoader(org.apache.commons.digester.Digester, java.lang.Class, java.util.Properties).


FinderFromDfltMethod

public FinderFromDfltMethod(String methodName)
Create a rule-finder which invokes a specific method on the plugin class whenever dynamic rules for a plugin need to be loaded. See the findRules method for more info.

Parameters:
methodName - must be non-null.
Method Detail

findLoader

public RuleLoader findLoader(Digester d,
                             Class<?> pluginClass,
                             Properties p)
                      throws PluginException
If there exists on the plugin class a method with name matching the constructor's methodName value then locate the appropriate Method on the plugin class and return an object encapsulating that info.

If there is no matching method then just return null.

The returned object (when non-null) will invoke the target method on the plugin class whenever its addRules method is invoked. The target method is expected to have the following prototype: public static void xxxxx(Digester d, String patternPrefix);

Specified by:
findLoader in class RuleFinder
Throws:
PluginException


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