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java.lang.Object org.apache.commons.digester.plugins.RuleFinder org.apache.commons.digester.plugins.strategies.FinderFromDfltClass
public class FinderFromDfltClass
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.
Field Summary | |
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static java.lang.String |
DFLT_METHOD_NAME
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static java.lang.String |
DFLT_RULECLASS_SUFFIX
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Constructor Summary | |
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FinderFromDfltClass()
See findLoader(org.apache.commons.digester.Digester, java.lang.Class, java.util.Properties) . |
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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. |
Method Summary | |
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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. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static java.lang.String DFLT_RULECLASS_SUFFIX
public static java.lang.String DFLT_METHOD_NAME
Constructor Detail |
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public FinderFromDfltClass()
findLoader(org.apache.commons.digester.Digester, java.lang.Class, java.util.Properties)
.
public FinderFromDfltClass(java.lang.String rulesClassSuffix, java.lang.String methodName)
rulesClassSuffix
- must be non-null.methodName
- may be null.Method Detail |
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public RuleLoader findLoader(Digester digester, java.lang.Class pluginClass, java.util.Properties p) throws PluginException
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);
findLoader
in class RuleFinder
PluginException
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