| /** |
| * 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.Required; |
| import org.apache.camel.spi.RouteContext; |
| |
| /** |
| * A base class for nodes which contain an expression and a number of outputs |
| * |
| * @version |
| */ |
| @XmlAccessorType(XmlAccessType.FIELD) |
| public class ExpressionNode extends ProcessorDefinition<ExpressionNode> { |
| @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; |
| } |
| |
| @Required |
| 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 boolean isOutputSupported() { |
| return true; |
| } |
| |
| @Override |
| public String getLabel() { |
| if (getExpression() == null) { |
| return ""; |
| } |
| return getExpression().getLabel(); |
| } |
| |
| protected FilterProcessor createFilterProcessor(RouteContext routeContext) throws Exception { |
| Processor childProcessor = this.createChildProcessor(routeContext, false); |
| return new FilterProcessor(getExpression().createPredicate(routeContext), childProcessor); |
| } |
| |
| } |