/*
* Copyright 2002-2016 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.integration.scripting.jsr223;
import java.util.Map;
import org.springframework.integration.scripting.AbstractScriptExecutingMessageProcessor;
import org.springframework.integration.scripting.DefaultScriptVariableGenerator;
import org.springframework.integration.scripting.ScriptExecutor;
import org.springframework.integration.scripting.ScriptVariableGenerator;
import org.springframework.messaging.Message;
import org.springframework.scripting.ScriptSource;
import org.springframework.util.Assert;
/**
* @author David Turanski
* @since 2.1
*/
public class ScriptExecutingMessageProcessor extends AbstractScriptExecutingMessageProcessor<Object> {
private final ScriptExecutor scriptExecutor;
private volatile ScriptSource scriptSource;
/**
* Create a processor for the {@link ScriptSource} using the provided
* {@link ScriptExecutor} using the DefaultScriptVariableGenerator
*
* @param scriptSource The script source.
* @param scriptExecutor The script executor.
*/
public ScriptExecutingMessageProcessor(ScriptSource scriptSource, ScriptExecutor scriptExecutor) {
super();
this.scriptSource = scriptSource;
this.scriptExecutor = scriptExecutor;
}
/**
* Create a processor for the {@link ScriptSource} using the provided
* {@link ScriptExecutor}
*
* @param scriptSource The script source.
* @param scriptVariableGenerator The script variable generator.
* @param scriptExecutor The script executor.
*/
public ScriptExecutingMessageProcessor(ScriptSource scriptSource, ScriptVariableGenerator scriptVariableGenerator,
ScriptExecutor scriptExecutor) {
super(scriptVariableGenerator);
this.scriptSource = scriptSource;
this.scriptExecutor = scriptExecutor;
}
/**
* Create a processor for the {@link ScriptSource} using the provided
* {@link ScriptExecutor} using the DefaultScriptVariableGenerator
*
* @param scriptSource The script source.
* @param scriptExecutor The script executor.
* @param variables The variables.
*/
public ScriptExecutingMessageProcessor(ScriptSource scriptSource, ScriptExecutor scriptExecutor,
Map<String, Object> variables) {
super(new DefaultScriptVariableGenerator(variables));
this.scriptSource = scriptSource;
this.scriptExecutor = scriptExecutor;
}
@Override
protected ScriptSource getScriptSource(Message<?> message) {
return this.scriptSource;
}
@Override
protected Object executeScript(ScriptSource scriptSource, Map<String, Object> variables) throws Exception {
Assert.notNull(scriptSource, "scriptSource must not be null");
return this.scriptExecutor.executeScript(scriptSource, variables);
}
}