Class FinderFromDfltClass
- java.lang.Object
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- org.apache.commons.digester.plugins.RuleFinder
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- org.apache.commons.digester.plugins.strategies.FinderFromDfltClass
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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
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Field Summary
Fields Modifier and Type Field Description static java.lang.String
DFLT_METHOD_NAME
static java.lang.String
DFLT_RULECLASS_SUFFIX
private java.lang.String
methodName
private java.lang.String
rulesClassSuffix
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Constructor Summary
Constructors Constructor Description FinderFromDfltClass()
FinderFromDfltClass(java.lang.String rulesClassSuffix, java.lang.String methodName)
Create a rule-finder which invokes a method on a class whenever dynamic rules for a plugin need to be loaded.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description RuleLoader
findLoader(Digester digester, java.lang.Class pluginClass, java.util.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.
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Constructor Detail
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FinderFromDfltClass
public FinderFromDfltClass()
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FinderFromDfltClass
public FinderFromDfltClass(java.lang.String rulesClassSuffix, java.lang.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.
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Method Detail
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findLoader
public RuleLoader findLoader(Digester digester, java.lang.Class pluginClass, java.util.Properties p) throws PluginException
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);
- Specified by:
findLoader
in classRuleFinder
- Throws:
PluginException
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