org.apache.commons.digester.plugins.strategies

Class FinderFromDfltClass

public class FinderFromDfltClass extends RuleFinder

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

Since: 1.6

Field Summary
static StringDFLT_METHOD_NAME
static StringDFLT_RULECLASS_SUFFIX
Constructor Summary
FinderFromDfltClass()
FinderFromDfltClass(String rulesClassSuffix, String methodName)
Create a rule-finder which invokes a method on a class whenever dynamic rules for a plugin need to be loaded.
Method Summary
RuleLoaderfindLoader(Digester digester, Class pluginClass, Properties p)
If there exists a class whose name is the plugin class name + the suffix specified to the constructor, then load that class, locate the appropriate rules-adding method on that class, and return an object encapsulating that info.

Field Detail

DFLT_METHOD_NAME

public static String DFLT_METHOD_NAME

DFLT_RULECLASS_SUFFIX

public static String DFLT_RULECLASS_SUFFIX

Constructor Detail

FinderFromDfltClass

public FinderFromDfltClass()
See FinderFromDfltClass.

FinderFromDfltClass

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

Parameters: rulesClassSuffix must be non-null. methodName may be null.

Method Detail

findLoader

public RuleLoader findLoader(Digester digester, Class pluginClass, Properties p)
If there exists a class whose name is the plugin class name + the suffix specified to the constructor, then load that class, locate the appropriate rules-adding method on that class, and return an object encapsulating that info.

If there is no such class, then just return null.

The returned object (when non-null) will invoke the target method on the selected 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);

Copyright © 2001-2010 Apache Software Foundation. All Rights Reserved.