com.neurosys.modules.etl

Class VelocityContentTransformer

java.lang.Object

com.neurosys.modules.etl.VelocityContentTransformer

All Implemented Interfaces:

Serializable, org.apache.commons.collections.Transformer

public class VelocityContentTransformer
extends Object
implements org.apache.commons.collections.Transformer, Serializable

For a Given input String (content) (or even a AbstractAttribute.getValue() or AbstractAttribute), which is assumed to be a velocity script. The context is provided via context and in addition to provided context, it Merges springAppContext as variable name springAppContext into context.
One can also refer to the springAppContext by the variable name in the context springAppContext.
For this implementation there is no additional caching provided. One may check or set template caching using Velocity native support/configs for Template caching.

Author:

Arjun Dhar

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
VelocityContentTransformer()

Method Summary

Modifier and Type	Method and Description
void	autoInitEngine()
protected org.apache.velocity.context.Context	createtContext(Object input) Support default variables: $currentPage $currentFacet $dynamicContext $springAppContext $input
Map	getContext() Any specific services or beans we want to inject into the Context
org.apache.velocity.app.VelocityEngine	getEngine() The Core Velocity Engine
String	getLogTag() A log tag to report issues in the log file as this as the handle
org.springframework.context.ApplicationContext	getSpringAppContext()
void	setContext(Map context) Any specific services or beans we want to inject into the Context
void	setEngine(org.apache.velocity.app.VelocityEngine engine) The Core Velocity Engine
void	setLogTag(String logTag) A log tag to report issues in the log file as this as the handle
void	setSpringAppContext(org.springframework.context.ApplicationContext springAppContext)
Object	transform(Object input)

Methods inherited from class java.lang.Object

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

Constructor Detail

VelocityContentTransformer

public VelocityContentTransformer()

Method Detail

autoInitEngine

@PostConstruct
public void autoInitEngine()

createtContext

protected org.apache.velocity.context.Context createtContext(Object input)

Support default variables:

• $currentPage
• $currentFacet
• $dynamicContext
• $springAppContext
• $input

transform

public Object transform(Object input)

Specified by:

transform in interface org.apache.commons.collections.Transformer

getContext

public Map getContext()

Any specific services or beans we want to inject into the Context

setContext

public void setContext(Map context)

Any specific services or beans we want to inject into the Context

getEngine

public org.apache.velocity.app.VelocityEngine getEngine()

The Core Velocity Engine

setEngine

public void setEngine(org.apache.velocity.app.VelocityEngine engine)

The Core Velocity Engine

getLogTag

public String getLogTag()

A log tag to report issues in the log file as this as the handle

Default value:

Object.getClass().Class.getSimpleName()

setLogTag

public void setLogTag(String logTag)

A log tag to report issues in the log file as this as the handle

Default value:

Object.getClass().Class.getSimpleName()

getSpringAppContext

public org.springframework.context.ApplicationContext getSpringAppContext()

setSpringAppContext

public void setSpringAppContext(org.springframework.context.ApplicationContext springAppContext)