org.springframework.integration.scripting
Class AbstractScriptExecutingMessageProcessor<T>

java.lang.Object
  org.springframework.integration.scripting.AbstractScriptExecutingMessageProcessor<T>

All Implemented Interfaces:

MessageProcessor<T>

Direct Known Subclasses:

GroovyCommandMessageProcessor, GroovyScriptExecutingMessageProcessor, ScriptExecutingMessageProcessor

public abstract class AbstractScriptExecutingMessageProcessor<T>
extends java.lang.Object
implements MessageProcessor<T>

Base MessageProcessor for scripting implementations to extend.

Since:

2.0

Author:

Mark Fisher

Constructor Summary

protected	AbstractScriptExecutingMessageProcessor()
protected	AbstractScriptExecutingMessageProcessor(ScriptVariableGenerator scriptVariableGenerator)

Method Summary

protected abstract T	executeScript(org.springframework.scripting.ScriptSource scriptSource, java.util.Map<java.lang.String,java.lang.Object> variables) Subclasses must implement this method.
protected abstract org.springframework.scripting.ScriptSource	getScriptSource(Message<?> message) Subclasses must implement this method to create a script source, optionally using the message to locate or create the script.
T	processMessage(Message<?> message) Executes the script and returns the result.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractScriptExecutingMessageProcessor

protected AbstractScriptExecutingMessageProcessor()

AbstractScriptExecutingMessageProcessor

protected AbstractScriptExecutingMessageProcessor(ScriptVariableGenerator scriptVariableGenerator)

Method Detail

processMessage

public final T processMessage(Message<?> message)

Executes the script and returns the result.

Specified by:

processMessage in interface MessageProcessor<T>

getScriptSource

protected abstract org.springframework.scripting.ScriptSource getScriptSource(Message<?> message)

Subclasses must implement this method to create a script source, optionally using the message to locate or create the script.

Parameters:

message - the message being processed

Returns:

a ScriptSource to use to create a script

executeScript

protected abstract T executeScript(org.springframework.scripting.ScriptSource scriptSource,
                                   java.util.Map<java.lang.String,java.lang.Object> variables)
                            throws java.lang.Exception

Subclasses must implement this method. In doing so, the execution context for the script should be populated with the provided script variables.

Throws:

java.lang.Exception