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PortletModeHandlerMapping (Spring Framework API 2.1) - Spring Framework 2.1.0 API 文档英文版

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org.springframework.web.portlet.handler
Class PortletModeHandlerMapping

java.lang.Object
  org.springframework.context.support.ApplicationObjectSupport
      org.springframework.web.portlet.handler.AbstractHandlerMapping
          org.springframework.web.portlet.handler.AbstractMapBasedHandlerMapping
              org.springframework.web.portlet.handler.PortletModeHandlerMapping

All Implemented Interfaces:

ApplicationContextAware, Ordered, HandlerMapping

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public class PortletModeHandlerMapping
extends AbstractMapBasedHandlerMapping

Implementation of the HandlerMapping interface to map from the current PortletMode to request handler beans.

The bean configuration for this mapping will look something like this:

        <bean id="portletModeHandlerMapping" class="org.springframework.web.portlet.handler.PortletModeHandlerMapping">
                <property name="portletModeMap">
                        <map>
                                <entry key="view"><ref bean="viewHandler"/></entry>
                                <entry key="edit"><ref bean="editHandler"/></entry>
                                <entry key="help"><ref bean="helpHandler"/></entry>
                        </map>
                </property>
        </bean>
 

Since:

2.0

Author:

William G. Thompson, Jr., John A. Lewis

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Field Summary

 

Fields inherited from class org.springframework.context.support.ApplicationObjectSupport
logger

 

Fields inherited from interface org.springframework.core.Ordered
HIGHEST_PRECEDENCE, LOWEST_PRECEDENCE

 

Constructor Summary
PortletModeHandlerMapping()

 

Method Summary
protected  Object	getLookupKey(PortletRequest request)           Uses the current PortletMode as lookup key.
void	initApplicationContext()           Calls the registerHandlers method in addition to the superclass's initialization.
protected  void	registerHandlers(Map portletModeMap)           Register all handlers specified in the Portlet mode map for the corresponding modes.
void	setMappings(Properties mappings)           Set PortletMode to handler bean name mappings from a Properties object.
void	setPortletModeMap(Map portletModeMap)           Set a Map with PortletModes as keys and handler beans as values.

 

Methods inherited from class org.springframework.web.portlet.handler.AbstractMapBasedHandlerMapping
getHandlerInternal, registerHandler, setLazyInitHandlers

 

Methods inherited from class org.springframework.web.portlet.handler.AbstractHandlerMapping
adaptInterceptor, extendInterceptors, getAdaptedInterceptors, getDefaultHandler, getHandler, getHandlerExecutionChain, getOrder, initInterceptors, setApplyWebRequestInterceptorsToRenderPhaseOnly, setDefaultHandler, setInterceptors, setOrder

 

Methods inherited from class org.springframework.context.support.ApplicationObjectSupport
getApplicationContext, getMessageSourceAccessor, isContextRequired, requiredContextClass, setApplicationContext

 

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Constructor Detail

PortletModeHandlerMapping

public PortletModeHandlerMapping()

Method Detail

setMappings

public void setMappings(Properties mappings)

Set PortletMode to handler bean name mappings from a Properties object.

Parameters:

mappings - properties with PortletMode names as keys and bean names as values

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setPortletModeMap

public void setPortletModeMap(Map portletModeMap)

Set a Map with PortletModes as keys and handler beans as values. Convenient for population with bean references.

Parameters:

portletModeMap - map with PortletMode names as keys and beans or bean names as values

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initApplicationContext

public void initApplicationContext()
                            throws BeansException

Calls the registerHandlers method in addition to the superclass's initialization.

Overrides:

initApplicationContext in class AbstractHandlerMapping

Throws:

ApplicationContextException - in case of initialization errors

BeansException - if thrown by ApplicationContext methods

See Also:

registerHandlers(java.util.Map)

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registerHandlers

protected void registerHandlers(Map portletModeMap)
                         throws BeansException

Register all handlers specified in the Portlet mode map for the corresponding modes.

Overrides:

registerHandlers in class AbstractMapBasedHandlerMapping

Parameters:

portletModeMap - Map with mode names as keys and handler beans or bean names as values

Throws:

BeansException - if the handler couldn't be registered

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getLookupKey

protected Object getLookupKey(PortletRequest request)
                       throws Exception

Uses the current PortletMode as lookup key.

Specified by:

getLookupKey in class AbstractMapBasedHandlerMapping

Parameters:

request - current portlet request

Returns:

the lookup key (never null)

Throws:

Exception - if key computation failed

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