org.apache.struts2.rest

Class RestActionInvocation

java.lang.Object

com.opensymphony.xwork2.DefaultActionInvocation

org.apache.struts2.rest.RestActionInvocation

All Implemented Interfaces:

ActionInvocation

public class RestActionInvocation
extends DefaultActionInvocation

Extends the usual ActionInvocation to add support for processing the object returned from the action execution. This allows us to support methods that return HttpHeaders as well as apply content type-specific operations to the result.

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	hasErrors
protected HttpHeaders	httpHeaders
protected boolean	isFirstInterceptor
protected Object	target

Fields inherited from class com.opensymphony.xwork2.DefaultActionInvocation

action, actionEventListener, asyncAction, asyncManager, container, executed, explicitResult, extraContext, interceptors, invocationContext, lazyParamInjector, objectFactory, ognlUtil, preResultListeners, proxy, pushAction, result, resultCode, stack, unknownHandlerManager, valueStackFactory

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	RestActionInvocation(Map<String,Object> extraContext, boolean pushAction)

Method Summary

Modifier and Type	Method and Description
String	invoke()
protected void	processResult()
protected String	saveResult(ActionConfig actionConfig, Object methodResult) Save the result to be used later.
protected void	selectTarget()
void	setDefaultErrorResultName(String defaultErrorResultName)
void	setLogger(String logger)
void	setMimeTypeHandlerSelector(ContentTypeHandlerManager selector)
void	setRestrictToGet(String restrictToGet) If set to true (by default) blocks returning content from any other methods than GET, if set to false, the content can be returned for any kind of method
protected void	updateStatusFromResult() Get the status code from HttpHeaderResult and it is saved in the HttpHeaders object.

Methods inherited from class com.opensymphony.xwork2.DefaultActionInvocation

addPreResultListener, createAction, createContextMap, createInterceptors, createResult, getAction, getInvocationContext, getProxy, getResult, getResultCode, getStack, init, invokeAction, invokeActionOnly, isExecuted, prepareLazyParamInjector, setActionEventListener, setAsyncManager, setContainer, setObjectFactory, setOgnlUtil, setResultCode, setUnknownHandlerManager, setValueStackFactory

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

httpHeaders

protected HttpHeaders httpHeaders

target

protected Object target

isFirstInterceptor

protected boolean isFirstInterceptor

hasErrors

protected boolean hasErrors

Constructor Detail

RestActionInvocation

protected RestActionInvocation(Map<String,Object> extraContext,
                               boolean pushAction)

Method Detail

setLogger

public void setLogger(String logger)

setDefaultErrorResultName

public void setDefaultErrorResultName(String defaultErrorResultName)

setRestrictToGet

public void setRestrictToGet(String restrictToGet)

If set to true (by default) blocks returning content from any other methods than GET, if set to false, the content can be returned for any kind of method

Parameters:

restrictToGet - true or false

setMimeTypeHandlerSelector

public void setMimeTypeHandlerSelector(ContentTypeHandlerManager selector)

saveResult

protected String saveResult(ActionConfig actionConfig,
                            Object methodResult)

Save the result to be used later.

Overrides:

saveResult in class DefaultActionInvocation

Parameters:

actionConfig - current ActionConfig

methodResult - the result of the action.

Returns:

the result code to process.

Throws:

ConfigurationException - If it is an incorrect result.

invoke

public String invoke()
              throws Exception

Specified by:

invoke in interface ActionInvocation

Overrides:

invoke in class DefaultActionInvocation

Throws:

Exception

processResult

protected void processResult()
                      throws Exception

Throws:

Exception

updateStatusFromResult

protected void updateStatusFromResult()

Get the status code from HttpHeaderResult and it is saved in the HttpHeaders object.

selectTarget

protected void selectTarget()