com.oldlight.weaver.interpreter
Class WeaverExecutionContextImpl

java.lang.Object
  com.oldlight.weaver.interpreter.WeaverExecutionContextImpl

All Implemented Interfaces:

WeaverExecutionContext

public class WeaverExecutionContextImpl

extends Object

implements WeaverExecutionContext

A collection of classes that together represent the current state of execution of a Weaver application. This is the primary interface via which W-Bean code interacts with Weaver.

Author:

Paul Harvey

Field Summary

private WeaverApplicationContextImpl	applicationContext
private WeaverBean	beanClass
private WeaverBeanContextImpl	beanContext
private WeaverLocalContextImpl	localContext
private WeaverRequestContextImpl	requestContext
private WeaverVariableResolver	resolver
private WeaverResponseContextImpl	responseContext
private WeaverServletContextImpl	servletContext
private WeaverSessionContextImpl	sessionContext

Constructor Summary

WeaverExecutionContextImpl(WeaverLocalContextImpl localContext, WeaverRequestContextImpl requestContext, WeaverResponseContextImpl responseContext, WeaverSessionContextImpl sessionContext, WeaverServletContextImpl servletContext, WeaverApplicationContextImpl applicationContext)
Create a new WeaverExecutionContext object.

Method Summary

Object	findAttribute(String name) Find a scoped attribute.
WeaverApplicationContext	getApplicationContext() Get the application context.
Object	getAttribute(String name, WeaverAttributeScope scope) Gets a named attribute from a named scope.
WeaverBean	getBeanClass() Gets the W-Bean being executed.
WeaverBeanContext	getBeanContext() Get the current bean context.
WeaverLocalContext	getLocalContext() Get the current local context.
WeaverRequestContext	getRequestContext() Get the current request context.
WeaverResponseContext	getResponseContext() Get the current response context.
WeaverSecurityContext	getSecurityContext() Get the security context.
WeaverServletContext	getServletContext() Get the servlet context.
WeaverSessionContext	getSessionContext() Get the session context.
WeaverVariableResolver	getVariableResolver() Gets the variable resolver for this context.
void	removeAttribute(String name) Remove a named attribute from all scopes.
void	removeAttribute(String name, WeaverAttributeScope scope) Remove a named attribute from a named scope.
void	setAttribute(String name, WeaverAttributeScope scope, Object value) Sets the value of a named attribute in a named scope.
void	setBeanClass(WeaverBean beanClass) Sets the class of the W-Bean being executed.
void	setBeanContext(WeaverBeanContextImpl beanContext) Set the bean context.
void	setSessionContext(WeaverSessionContextImpl sessionContext)

Methods inherited from class java.lang.Object

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

Field Detail

beanClass

private WeaverBean beanClass

beanContext

private WeaverBeanContextImpl beanContext

localContext

private WeaverLocalContextImpl localContext

requestContext

private WeaverRequestContextImpl requestContext

responseContext

private WeaverResponseContextImpl responseContext

sessionContext

private WeaverSessionContextImpl sessionContext

servletContext

private WeaverServletContextImpl servletContext

applicationContext

private WeaverApplicationContextImpl applicationContext

resolver

private WeaverVariableResolver resolver

Constructor Detail

WeaverExecutionContextImpl

public WeaverExecutionContextImpl(WeaverLocalContextImpl localContext,
                                  WeaverRequestContextImpl requestContext,
                                  WeaverResponseContextImpl responseContext,
                                  WeaverSessionContextImpl sessionContext,
                                  WeaverServletContextImpl servletContext,
                                  WeaverApplicationContextImpl applicationContext)

Create a new WeaverExecutionContext object.

Parameters:

localContext - Local context to store.

requestContext - Request context to store.

responseContext - Response context to store.

sessionContext - Session context to store.

servletContext - Servlet context to store.

applicationContext - Application context to store.

Method Detail

getSecurityContext

public WeaverSecurityContext getSecurityContext()

Description copied from interface: WeaverExecutionContext

Get the security context.

Specified by:

getSecurityContext in interface WeaverExecutionContext

Returns:

The security context.

setSessionContext

public void setSessionContext(WeaverSessionContextImpl sessionContext)

Parameters:

sessionContext - The session context.

setBeanClass

public void setBeanClass(WeaverBean beanClass)

Sets the class of the W-Bean being executed. (Called by the Weaver infrastructure).

Parameters:

beanClass - The bean class.

getBeanClass

public WeaverBean getBeanClass()

Gets the W-Bean being executed.

Returns:

The W-Bean being executed.

getVariableResolver

public WeaverVariableResolver getVariableResolver()

Gets the variable resolver for this context. (Called by the Weaver infrastructure)

Returns:

The variable resolver.

setBeanContext

public void setBeanContext(WeaverBeanContextImpl beanContext)

Set the bean context. (Called by the Weaver infrastructure).

Parameters:

beanContext - The bean context.

findAttribute

public Object findAttribute(String name)

Find a scoped attribute. The available scopes are searched for the named attribute.

Specified by:

findAttribute in interface WeaverExecutionContext

Parameters:

name - Name of the attribute to retrieve.

Returns:

Value of the named attribute, or null if not found.

getAttribute

public Object getAttribute(String name,
                           WeaverAttributeScope scope)

Gets a named attribute from a named scope.

Specified by:

getAttribute in interface WeaverExecutionContext

Parameters:

name - Name of the attribute to retrieve.

scope - Scope to retrieve the attribute from (taken from the WeaverAttributeScope values)

Returns:

The value of the name attribute from the named scope, or null if not found.

setAttribute

public void setAttribute(String name,
                         WeaverAttributeScope scope,
                         Object value)

Sets the value of a named attribute in a named scope.

Specified by:

setAttribute in interface WeaverExecutionContext

Parameters:

name - Name of the attribute to set.

scope - Name of scope to set the attribute in (taken from the WeaverAttributeScope values).

value - Value to set the attribute to.

removeAttribute

public void removeAttribute(String name,
                            WeaverAttributeScope scope)

Remove a named attribute from a named scope.

Specified by:

removeAttribute in interface WeaverExecutionContext

Parameters:

name - The name of the attribute to remove.

scope - The scope to remove the attribute from (taken from the WeaverAttributeScope values).

removeAttribute

public void removeAttribute(String name)

Remove a named attribute from all scopes.

Specified by:

removeAttribute in interface WeaverExecutionContext

Parameters:

name - The name of the attribute to remove.

getBeanContext

public WeaverBeanContext getBeanContext()

Get the current bean context.

Specified by:

getBeanContext in interface WeaverExecutionContext

Returns:

The bean context.

getLocalContext

public WeaverLocalContext getLocalContext()

Get the current local context.

Specified by:

getLocalContext in interface WeaverExecutionContext

Returns:

The local context.

getRequestContext

public WeaverRequestContext getRequestContext()

Get the current request context.

Specified by:

getRequestContext in interface WeaverExecutionContext

Returns:

The request context.

getResponseContext

public WeaverResponseContext getResponseContext()

Get the current response context.

Specified by:

getResponseContext in interface WeaverExecutionContext

Returns:

The response context.

getSessionContext

public WeaverSessionContext getSessionContext()

Get the session context.

Specified by:

getSessionContext in interface WeaverExecutionContext

Returns:

The session context.

getServletContext

public WeaverServletContext getServletContext()

Get the servlet context.

Specified by:

getServletContext in interface WeaverExecutionContext

Returns:

The servlet context.

getApplicationContext

public WeaverApplicationContext getApplicationContext()

Get the application context.

Specified by:

getApplicationContext in interface WeaverExecutionContext

Returns:

The application context.