|Constructor and Description|
Create a rule-finder which invokes a method on a class whenever dynamic rules for a plugin need to be loaded.
|Modifier and Type||Method and Description|
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.
public FinderFromDfltClass(String rulesClassSuffix, String methodName)
rulesClassSuffix- must be non-null.
methodName- may be null.
public RuleLoader findLoader(Digester digester, Class<?> pluginClass, 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);
digester- The digester instance where locating plugin classes
pluginClass- The plugin Java class
p- The properties object that holds any xml attributes the user may have specified on the plugin declaration in order to indicate how to locate the plugin rules.
PluginException- if the algorithm finds a source of rules, but there is something invalid about that source.
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