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

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org.jboss.util.coerce
Class CharacterHandler

java.lang.Object
  org.jboss.util.coerce.CoercionHandler
      org.jboss.util.coerce.BoundCoercionHandler
          org.jboss.util.coerce.CharacterHandler

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public class CharacterHandler

extends BoundCoercionHandler

A Character coercion handler.

Version:

$Revision: 1.1 $

Author:

Jason Dillon

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Constructor Summary

CharacterHandler()

 

Method Summary
Object	coerce(Object value, Class type)           Coerces the given value into the given type (which should be Character.class).
Object	coerce(String value)           Coerces the given string into a Character, by taking off the first index of the string and wrapping it.
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

CharacterHandler

public CharacterHandler()

Method Detail

getType

public Class getType()

Get the target class type for this CoercionHandler.

Specified by:

getType in class BoundCoercionHandler

Returns:

Class type

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coerce

public Object coerce(Object value,
                     Class type)
              throws CoercionException

Coerces the given value into the given type (which should be Character.class).

This currently only support coercion from a String.

Specified by:

coerce in class CoercionHandler

Parameters:

value - Value to coerce

type - Character.class

Returns:

Value coerced into a Character

Throws:

CoercionException - Failed to coerce

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coerce

public Object coerce(String value)

Coerces the given string into a Character, by taking off the first index of the string and wrapping it.

Parameters:

value - String value to convert to a Character

Returns:

Character value or null if the string is empty.

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