Java Doc for ActionComponent.java in  » Web-Framework » struts-2.0.11 » org » apache » struts2 » components » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Web Framework » struts 2.0.11 » org.apache.struts2.components 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.apache.struts2.components.Component
      org.apache.struts2.components.ActionComponent

ActionComponent
public class ActionComponent extends Component (Code)

This tag enables developers to call actions directly from a JSP page by specifying the action name and an optional namespace. The body content of the tag is used to render the results from the Action. Any result processor defined for this action in struts.xml will be ignored, unless the executeResult parameter is specified.

  • id (String) - the id (if specified) to put the action under stack's context.
  • name* (String) - name of the action to be executed (without the extension suffix eg. .action)
  • namespace (String) - default to the namespace where this action tag is invoked
  • executeResult (Boolean) - default is false. Decides wheather the result of this action is to be executed or not
  • ignoreContextParams (Boolean) - default to false. Decides wheather the request parameters are to be included when the action is invoked
 
 public class ActionTagAction extends ActionSupport {
 public String execute() throws Exception {
 return "done";
 }
 public String doDefault() throws Exception {
 ServletActionContext.getRequest().setAttribute("stringByAction", "This is a String put in by the action's doDefault()");
 return "done";
 }
 }
 
 
 
 
 ....
 
 success.jsp
 
 
 success.jsp
 
 ....
 
 
 
 
 
The following action tag will execute result and include it in this page


The following action tag will do the same as above, but invokes method specialMethod in action


The following action tag will not execute result, but put a String in request scope under an id "stringByAction" which will be retrieved using property tag


Field Summary
protected  ActionProxyFactoryactionProxyFactory
    
protected  booleanexecuteResult
    
protected  booleanflush
    
protected  booleanignoreContextParams
    
protected  Stringname
    
protected  Stringnamespace
    
protected  ActionProxyproxy
    
protected  HttpServletRequestreq
    
protected  HttpServletResponseres
    

Constructor Summary
public  ActionComponent(ValueStack stack, HttpServletRequest req, HttpServletResponse res)
    

Method Summary
public  booleanend(Writer writer, String body)
    
public  ActionProxygetProxy()
    
public  voidsetActionProxyFactory(ActionProxyFactory actionProxyFactory)
    
public  voidsetExecuteResult(boolean executeResult)
    
public  voidsetFlush(boolean flush)
    
public  voidsetIgnoreContextParams(boolean ignoreContextParams)
    
public  voidsetName(String name)
    
public  voidsetNamespace(String namespace)
    

Field Detail
actionProxyFactory
protected ActionProxyFactory actionProxyFactory(Code)



executeResult
protected boolean executeResult(Code)



flush
protected boolean flush(Code)



ignoreContextParams
protected boolean ignoreContextParams(Code)



name
protected String name(Code)



namespace
protected String namespace(Code)



proxy
protected ActionProxy proxy(Code)



req
protected HttpServletRequest req(Code)



res
protected HttpServletResponse res(Code)




Constructor Detail
ActionComponent
public ActionComponent(ValueStack stack, HttpServletRequest req, HttpServletResponse res)(Code)




Method Detail
end
public boolean end(Writer writer, String body)(Code)



getProxy
public ActionProxy getProxy()(Code)



setActionProxyFactory
public void setActionProxyFactory(ActionProxyFactory actionProxyFactory)(Code)

Parameters:
  actionProxyFactory - the actionProxyFactory to set



setExecuteResult
public void setExecuteResult(boolean executeResult)(Code)



setFlush
public void setFlush(boolean flush)(Code)



setIgnoreContextParams
public void setIgnoreContextParams(boolean ignoreContextParams)(Code)



setName
public void setName(String name)(Code)



setNamespace
public void setNamespace(String namespace)(Code)



Fields inherited from org.apache.struts2.components.Component
final public static String COMPONENT_STACK(Code)(Java Doc)
protected ActionMapper actionMapper(Code)(Java Doc)
protected String id(Code)(Java Doc)
protected Map parameters(Code)(Java Doc)
protected ValueStack stack(Code)(Java Doc)

Methods inherited from org.apache.struts2.components.Component
public void addAllParameters(Map params)(Code)(Java Doc)
public void addParameter(String key, Object value)(Code)(Java Doc)
public boolean altSyntax()(Code)(Java Doc)
public void copyParams(Map params)(Code)(Java Doc)
protected String determineActionURL(String action, String namespace, String method, HttpServletRequest req, HttpServletResponse res, Map parameters, String scheme, boolean includeContext, boolean encodeResult)(Code)(Java Doc)
protected String determineActionURL(String action, String namespace, String method, HttpServletRequest req, HttpServletResponse res, Map parameters, String scheme, boolean includeContext, boolean encodeResult, boolean forceAddSchemeHostAndPort, boolean escapeAmp)(Code)(Java Doc)
protected String determineNamespace(String namespace, ValueStack stack, HttpServletRequest req)(Code)(Java Doc)
public boolean end(Writer writer, String body)(Code)(Java Doc)
protected boolean end(Writer writer, String body, boolean popComponentStack)(Code)(Java Doc)
protected StrutsException fieldError(String field, String errorMsg, Exception e)(Code)(Java Doc)
protected Component findAncestor(Class clazz)(Code)(Java Doc)
protected String findString(String expr)(Code)(Java Doc)
protected String findString(String expr, String field, String errorMsg)(Code)(Java Doc)
protected Object findValue(String expr)(Code)(Java Doc)
protected Object findValue(String expr, String field, String errorMsg)(Code)(Java Doc)
protected Object findValue(String expr, Class toType)(Code)(Java Doc)
public Stack getComponentStack()(Code)(Java Doc)
public String getId()(Code)(Java Doc)
public Map getParameters()(Code)(Java Doc)
public ValueStack getStack()(Code)(Java Doc)
protected void popComponentStack()(Code)(Java Doc)
public void setActionMapper(ActionMapper mapper)(Code)(Java Doc)
public void setId(String id)(Code)(Java Doc)
public boolean start(Writer writer)(Code)(Java Doc)
protected String toString(Throwable t)(Code)(Java Doc)
public boolean usesBody()(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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