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.XmlAttribute;
022    import javax.xml.bind.annotation.XmlRootElement;
023    
024    import org.apache.camel.Expression;
025    import org.apache.camel.Processor;
026    import org.apache.camel.builder.ExpressionBuilder;
027    import org.apache.camel.builder.ExpressionClause;
028    import org.apache.camel.builder.ProcessorBuilder;
029    import org.apache.camel.model.language.ExpressionDefinition;
030    import org.apache.camel.spi.RouteContext;
031    import org.apache.camel.util.ObjectHelper;
032    
033    /**
034     * Represents an XML <setProperty/> element
035     */
036    @XmlRootElement(name = "setProperty")
037    @XmlAccessorType(XmlAccessType.FIELD)
038    public class SetPropertyDefinition extends ExpressionNode {
039        @XmlAttribute(required = true)
040        private String propertyName;
041        
042        public SetPropertyDefinition() {
043        }
044    
045        public SetPropertyDefinition(String propertyName, ExpressionDefinition expression) {
046            super(expression);
047            setPropertyName(propertyName);
048        }
049    
050        public SetPropertyDefinition(String propertyName, Expression expression) {
051            super(expression);
052            setPropertyName(propertyName);        
053        }
054    
055        public SetPropertyDefinition(String propertyName, String value) {
056            super(ExpressionBuilder.constantExpression(value));
057            setPropertyName(propertyName);        
058        }   
059        
060        @Override
061        public String toString() {
062            return "SetProperty[" + getPropertyName() + ", " + getExpression() + "]";
063        }
064    
065        @Override
066        public String getShortName() {
067            return "setProperty";
068        }
069    
070        @Override
071        public Processor createProcessor(RouteContext routeContext) throws Exception {
072            ObjectHelper.notNull(getPropertyName(), "propertyName", this);
073            Expression expr = getExpression().createExpression(routeContext);
074            return ProcessorBuilder.setProperty(getPropertyName(), expr);
075        }
076    
077        public void setPropertyName(String propertyName) {
078            this.propertyName = propertyName;
079        }
080    
081        public String getPropertyName() {
082            return propertyName;
083        }
084        
085     // Fluent API
086        //-------------------------------------------------------------------------
087        /**
088         * Set the expression that SetPropertyType will use
089         * @return the builder
090         */
091        public ExpressionClause<SetPropertyDefinition> expression() {
092            return ExpressionClause.createAndSetExpression(this);
093        }
094    }