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ClassHandler (JBoss/Common API) - JBoss 4.0.1 sp1 common API Documentation 英文版文档


org.jboss.util.coerce
Class ClassHandler

java.lang.Object
  extended byorg.jboss.util.coerce.CoercionHandler
      extended byorg.jboss.util.coerce.BoundCoercionHandler
          extended byorg.jboss.util.coerce.ClassHandler

public class ClassHandler
extends BoundCoercionHandler

A java.lang.Class coercion handler.

Version:
$Revision: 1.1 $
Author:
Jason Dillon

Constructor Summary
ClassHandler()
           
 
Method Summary
 Object coerce(Object value, Class type)
          Coerces the given value into the given type (which should be Class).
 Object coerce(String value)
          Coerces the given String into a Class by doing a Class.forName().
 Class getType()
          Get the target class type for this CoercionHandler.
 
Methods inherited from class org.jboss.util.coerce.CoercionHandler
create, install, install, isInstalled, lookup, uninstall
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ClassHandler

public ClassHandler()
Method Detail

getType

public Class getType()
Get the target class type for this CoercionHandler.

Specified by:
getType in class BoundCoercionHandler
Returns:
Class type.

coerce

public Object coerce(Object value,
                     Class type)
              throws CoercionException
Coerces the given value into the given type (which should be Class).

This currently only support coercion from a String.

Specified by:
coerce in class CoercionHandler
Parameters:
value - Value to coerce.
type - java.lang.Class.
Returns:
Value coerced into a Class.
Throws:
CoercionException - Failed to coerce.

coerce

public Object coerce(String value)
Coerces the given String into a Class by doing a Class.forName().

Parameters:
value - String value to convert to a Class.
Returns:
Class value.
Throws:
NotCoercibleException - Class not found.


Copyright © 2002 JBoss Group, LLC. All Rights Reserved.