/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.camel.model;
import java.util.ArrayList;
import java.util.List;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlElementRef;
import org.apache.camel.Expression;
import org.apache.camel.Predicate;
import org.apache.camel.Processor;
import org.apache.camel.model.language.ExpressionDefinition;
import org.apache.camel.processor.FilterProcessor;
import org.apache.camel.spi.RouteContext;
/**
* A base class for nodes which contain an expression and a number of outputs
*
* @version $Revision: 881198 $
*/
@XmlAccessorType(XmlAccessType.FIELD)
public class ExpressionNode extends ProcessorDefinition<ProcessorDefinition> {
@XmlElementRef
private ExpressionDefinition expression;
@XmlElementRef
private List<ProcessorDefinition> outputs = new ArrayList<ProcessorDefinition>();
public ExpressionNode() {
}
public ExpressionNode(ExpressionDefinition expression) {
this.expression = expression;
}
public ExpressionNode(Expression expression) {
if (expression != null) {
setExpression(new ExpressionDefinition(expression));
}
}
public ExpressionNode(Predicate predicate) {
if (predicate != null) {
setExpression(new ExpressionDefinition(predicate));
}
}
@Override
public String getShortName() {
return "exp";
}
public ExpressionDefinition getExpression() {
return expression;
}
public void setExpression(ExpressionDefinition expression) {
this.expression = expression;
}
public List<ProcessorDefinition> getOutputs() {
return outputs;
}
public void setOutputs(List<ProcessorDefinition> outputs) {
this.outputs = outputs;
}
@Override
public String getLabel() {
if (getExpression() == null) {
return "";
}
return getExpression().getLabel();
}
protected FilterProcessor createFilterProcessor(RouteContext routeContext) throws Exception {
Processor childProcessor = routeContext.createProcessor(this);
return new FilterProcessor(getExpression().createPredicate(routeContext), childProcessor);
}
}