001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.camel.model;
018    
019    import javax.xml.bind.annotation.XmlAccessType;
020    import javax.xml.bind.annotation.XmlAccessorType;
021    import javax.xml.bind.annotation.XmlRootElement;
022    
023    import org.apache.camel.Expression;
024    import org.apache.camel.Processor;
025    import org.apache.camel.builder.ExpressionClause;
026    import org.apache.camel.processor.TransformProcessor;
027    import org.apache.camel.spi.RouteContext;
028    
029    /**
030     * Represents an XML <transform/> element
031     */
032    @XmlRootElement(name = "transform")
033    @XmlAccessorType(XmlAccessType.FIELD)
034    public class TransformDefinition extends ExpressionNode {
035    
036        public TransformDefinition() {
037        }
038    
039        public TransformDefinition(Expression expression) {
040            super(expression);
041        }
042    
043        @Override
044        public String toString() {
045            return "Transform[" + getExpression() + "]";
046        }
047    
048        @Override
049        public String getShortName() {
050            return "transform";
051        }
052    
053        @Override
054        public Processor createProcessor(RouteContext routeContext) throws Exception {
055            Expression expr = getExpression().createExpression(routeContext);
056            Processor childProcessor = routeContext.createProcessor(this);
057    
058            return new TransformProcessor(expr, childProcessor);
059        }
060        
061        // Fluent API
062        //-------------------------------------------------------------------------
063        /**
064         * Set the expression that TransformType will use
065         * @return the builder
066         */
067        public ExpressionClause<TransformDefinition> expression() {
068            return ExpressionClause.createAndSetExpression(this);
069        }
070    }