com.interface21.web.servlet.view
Class InternalResourceView

java.lang.Object
  |
  +--com.interface21.context.support.ApplicationObjectSupport
        |
        +--com.interface21.web.servlet.view.AbstractView
              |
              +--com.interface21.web.servlet.view.InternalResourceView

All Implemented Interfaces:

ApplicationContextAware, View

Direct Known Subclasses:

JstlView

public class InternalResourceView

extends AbstractView

Wrapper for a JSP or other resource within the WAR. Sets request attributes and forwards the request to the specified specified resource using a RequestDispatcher.

Version:

$Id: InternalResourceView.java,v 1.6 2003/06/20 20:28:44 jhoeller Exp $

Author:

Rod Johnson

Fields inherited from class com.interface21.context.support.ApplicationObjectSupport

logger

Constructor Summary

InternalResourceView()
Constructor for use as a bean

InternalResourceView(java.lang.String url)
Create a new InternalResourceView with the given URL.

Method Summary

protected void	exposeModelsAsRequestAttributes(java.util.Map model, javax.servlet.http.HttpServletRequest request) Expose the models in the given map as request attributes.
protected java.lang.String	getUrl()
protected void	initApplicationContext() Overridden lifecycle method to check that URL property is set
protected void	renderMergedOutputModel(java.util.Map model, javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Render the internal resource given the specified model.
void	setUrl(java.lang.String url) Set the resource URL that this view forwards to.

Methods inherited from class com.interface21.web.servlet.view.AbstractView

addStaticAttribute, getContentType, getName, getStaticAttributes, render, setAttributes, setAttributesCSV, setContentType, setName, setRequestContextAttribute

Methods inherited from class com.interface21.context.support.ApplicationObjectSupport

getApplicationContext, setApplicationContext

Methods inherited from class java.lang.Object

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

Constructor Detail

InternalResourceView

public InternalResourceView()

Constructor for use as a bean

InternalResourceView

public InternalResourceView(java.lang.String url)

Create a new InternalResourceView with the given URL.

Parameters:

url - url to forward to

Method Detail

setUrl

public void setUrl(java.lang.String url)

Set the resource URL that this view forwards to.

Parameters:

url - the URL of the resource this view forwards to

getUrl

protected java.lang.String getUrl()

initApplicationContext

protected void initApplicationContext()
                               throws ApplicationContextException

Overridden lifecycle method to check that URL property is set

Overrides:

initApplicationContext in class ApplicationObjectSupport

See Also:

ApplicationObjectSupport.initApplicationContext()

renderMergedOutputModel

protected void renderMergedOutputModel(java.util.Map model,
                                       javax.servlet.http.HttpServletRequest request,
                                       javax.servlet.http.HttpServletResponse response)
                                throws javax.servlet.ServletException

Render the internal resource given the specified model. This includes setting the model as request attributes.

Overrides:

renderMergedOutputModel in class AbstractView

Following copied from class: com.interface21.web.servlet.view.AbstractView

Parameters:

model - combined output Map, with dynamic values taking precedence over static attributes

request - current HTTP request

response - current HTTP response

Throws:

java.io.IOException - if there is an IO exception trying to obtain or render the view

javax.servlet.ServletException - if there is any other error

exposeModelsAsRequestAttributes

protected void exposeModelsAsRequestAttributes(java.util.Map model,
                                               javax.servlet.http.HttpServletRequest request)
                                        throws javax.servlet.ServletException

Expose the models in the given map as request attributes. Names will be taken from the map. This method is suitable for all resources reachable by RequestDispatcher.

Parameters:

model - Map of models to expose

request - HttpServletRequest to preprocess.