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java.lang.Objectorg.apache.commons.digester3.plugins.RuleFinder
org.apache.commons.digester3.plugins.strategies.FinderFromMethod
public class FinderFromMethod
A rule-finding algorithm which expects the caller to specify a methodname as a plugin property, where the method exists on the plugin class.
| Constructor Summary | |
|---|---|
FinderFromMethod()
Constructor. |
|
FinderFromMethod(String methodAttr)
See findLoader(org.apache.commons.digester3.Digester, java.lang.Class>, java.util.Properties). |
|
| Method Summary | |
|---|---|
RuleLoader |
findLoader(Digester d,
Class<?> pluginClass,
Properties p)
If there exists a property with the name matching constructor param methodAttr, 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 |
| Constructor Detail |
|---|
public FinderFromMethod()
public FinderFromMethod(String methodAttr)
findLoader(org.apache.commons.digester3.Digester, java.lang.Class>, java.util.Properties).
methodAttr - The XML attribute that needs to be present on a plugin declaration in order to specify the
method to load rules from.| Method Detail |
|---|
public RuleLoader findLoader(Digester d,
Class<?> pluginClass,
Properties p)
throws PluginException
If there is no matching property provided, 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);
findLoader in class RuleFinderd - The digester instance where locating plugin classespluginClass - The plugin Java classp - 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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