Java Doc for ServletBeanContext.java in  » Library » Apache-beehive-1.0.2-src » org » apache » beehive » controls » runtime » servlet » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Library » Apache beehive 1.0.2 src » org.apache.beehive.controls.runtime.servlet 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


org.apache.beehive.controls.runtime.bean.ControlContainerContext
   org.apache.beehive.controls.runtime.servlet.ServletBeanContext

All known Subclasses:   org.apache.beehive.netui.pageflow.internal.PageFlowBeanContext,
ServletBeanContext
public class ServletBeanContext extends ControlContainerContext (Code)
The ServletBeanContext provides a ControlBeanContext implementation that offers services and a resource management context that is appropriate to web tier usage of controls.



Constructor Summary
public  ServletBeanContext()
    

Method Summary
public  voidbeginContext(ServletContext context, ServletRequest req, ServletResponse resp)
    
public  voidendContext()
     Ends the current execution context, and resetes the current active ServletRequest.
public  URLgetResource(String name, BeanContextChild bcc)
     Override BeanContext.getResource() so it delegates to the current ServletContext.
public  InputStreamgetResourceAsStream(String name, BeanContextChild bcc)
     Override BeanContext.getResourceAsStream() so it delegates to the current ServletContext.
public  TgetService(Class<T> serviceClass, Object selector)
     Override ControlBeanContext.getService().
public  ServletContextgetServletContext()
    
public  ServletRequestgetServletRequest()
    
public  ServletResponsegetServletResponse()
    
public  voidinitialize()
    
public  voidsetWrappers(boolean useWrappers)
     Enables/disable the use of request/response wrappers for this context.
protected  booleanuseWrappers()
    


Constructor Detail
ServletBeanContext
public ServletBeanContext()(Code)




Method Detail
beginContext
public void beginContext(ServletContext context, ServletRequest req, ServletResponse resp)(Code)
Begins a new execution context, associated with a specific ServletRequest



endContext
public void endContext()(Code)
Ends the current execution context, and resetes the current active ServletRequest.



getResource
public URL getResource(String name, BeanContextChild bcc) throws IllegalArgumentException(Code)
Override BeanContext.getResource() so it delegates to the current ServletContext.
Parameters:
  name - the resource name
Parameters:
  bcc - the specified child a URL for the namedresource for the specified child
throws:
  IllegalArgumentException - IllegalArgumentException if the resource is not valid



getResourceAsStream
public InputStream getResourceAsStream(String name, BeanContextChild bcc) throws IllegalArgumentException(Code)
Override BeanContext.getResourceAsStream() so it delegates to the current ServletContext.
Parameters:
  name - the resource name
Parameters:
  bcc - the specified child an InputStream for reading the resource, ornull if the resource could not be found.
throws:
  IllegalArgumentException - IllegalArgumentException if the resource is not valid



getService
public T getService(Class<T> serviceClass, Object selector)(Code)
Override ControlBeanContext.getService(). A control bean creates its bean context using the ControlBeanContextFactory service provided by this context. A control bean will attempt to create its context before adding its self to this context as a child. This creates a chicken/egg problem since only a child of a context may request a service from it. This method provides a way to crack the chicken/egg problem by first trying to get the service using the control bean context's getService() method, and if that call returns null and the requested service is the ControlBeanContextFactory then returning an instance of the service provider.
Parameters:
  serviceClass -
Parameters:
  selector -



getServletContext
public ServletContext getServletContext()(Code)
Returns the ServletContext associated with this context (or null if not currently processing a request)



getServletRequest
public ServletRequest getServletRequest()(Code)
Returns the ServletRequest associated with this context (or null if not currently processing a request)



getServletResponse
public ServletResponse getServletResponse()(Code)
Returns the ServletResponse associated with this context (or null if not currently processing a request)



initialize
public void initialize()(Code)
Called by BeanContextSupport superclass during construction and deserialization to initialize subclass transient state



setWrappers
public void setWrappers(boolean useWrappers)(Code)
Enables/disable the use of request/response wrappers for this context. By default, wrappers are enabled if this API is not invoked.



useWrappers
protected boolean useWrappers()(Code)



Methods inherited from org.apache.beehive.controls.runtime.bean.ControlContainerContext
protected synchronized void addResourceContext(ResourceContext resourceContext, ControlBean bean)(Code)(Java Doc)
public void beginContext()(Code)(Java Doc)
public Object dispatchEvent(ControlHandle handle, EventRef event, Object[] args) throws IllegalArgumentException, IllegalAccessException, InvocationTargetException(Code)(Java Doc)
public void endContext()(Code)(Java Doc)
public ControlHandle getControlHandle(org.apache.beehive.controls.api.bean.ControlBean bean)(Code)(Java Doc)
public void initialize()(Code)(Java Doc)
public boolean isSingleThreadedContainer()(Code)(Java Doc)
protected synchronized void releaseResources()(Code)(Java Doc)
protected synchronized void removeResourceContext(ResourceContext resourceContext, ControlBean bean)(Code)(Java Doc)

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