org.tangram.spring.view

Class SpringViewUtilities

java.lang.Object

org.tangram.spring.view.SpringViewUtilities

All Implemented Interfaces:

org.tangram.view.ViewUtilities

public class SpringViewUtilities
extends java.lang.Object
implements org.tangram.view.ViewUtilities

Implements the inclusion mechanism of tangram by means of spring views.

Field Summary

Fields

Modifier and Type	Field and Description
static org.springframework.web.servlet.View	NOT_FOUND_DUMMY Value to be used if there is not view in hash tables and the like where the use of null would not indicate if there is no view or if we didn't look it up up to now.

Constructor Summary

Constructors

Constructor and Description
SpringViewUtilities()

Method Summary

Methods

Modifier and Type	Method and Description
static org.springframework.web.servlet.ModelAndView	createModelAndView(org.tangram.view.ViewContext viewContext) This is a direct converter of tangram view context to spring model and view.
org.tangram.view.RequestParameterAccess	createParameterAccess(javax.servlet.http.HttpServletRequest request) Creates a spring request parameter access instance.
org.tangram.view.ViewContextFactory	getViewContextFactory()
void	render(java.io.Writer writer, java.util.Map<java.lang.String,java.lang.Object> model, java.lang.String view)
void	render(java.io.Writer writer, java.lang.Object bean, java.lang.String view, javax.servlet.ServletRequest request, javax.servlet.ServletResponse response)

Methods inherited from class java.lang.Object

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

Field Detail

NOT_FOUND_DUMMY

public static final org.springframework.web.servlet.View NOT_FOUND_DUMMY

Value to be used if there is not view in hash tables and the like where the use of null would not indicate if there is no view or if we didn't look it up up to now.

Constructor Detail

SpringViewUtilities

public SpringViewUtilities()

Method Detail

getViewContextFactory

public org.tangram.view.ViewContextFactory getViewContextFactory()

Specified by:

getViewContextFactory in interface org.tangram.view.ViewUtilities

createParameterAccess

public org.tangram.view.RequestParameterAccess createParameterAccess(javax.servlet.http.HttpServletRequest request)
                                                              throws java.lang.Exception

Creates a spring request parameter access instance.

Specified by:

createParameterAccess in interface org.tangram.view.ViewUtilities

Parameters:

request - the request instance to collect parameters from

Returns:

request blob wrapper for the given request

Throws:

java.lang.Exception - generic exception marker from the interface may mostly result in IOExceptions here

createModelAndView

public static org.springframework.web.servlet.ModelAndView createModelAndView(org.tangram.view.ViewContext viewContext)

This is a direct converter of tangram view context to spring model and view. We consider it a bug that spring's model and view is not an interfaces which would make things a little bit easier and leaner to implement.

Parameters:

viewContext - the tangram view context to be transformed to spring's ModelAndView

Returns:

spring model and view describing exactly the same

render

public void render(java.io.Writer writer,
          java.util.Map<java.lang.String,java.lang.Object> model,
          java.lang.String view)
            throws java.io.IOException

Specified by:

render in interface org.tangram.view.ViewUtilities

Throws:

java.io.IOException

render

public void render(java.io.Writer writer,
          java.lang.Object bean,
          java.lang.String view,
          javax.servlet.ServletRequest request,
          javax.servlet.ServletResponse response)
            throws java.io.IOException

Specified by:

render in interface org.tangram.view.ViewUtilities

Throws:

java.io.IOException