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.language;
018    
019    import javax.xml.bind.annotation.XmlAttribute;
020    import javax.xml.bind.annotation.XmlRootElement;
021    
022    import org.apache.camel.Exchange;
023    import org.apache.camel.Expression;
024    import org.apache.camel.Predicate;
025    import org.apache.camel.impl.RouteContext;
026    import org.apache.camel.language.bean.BeanExpression;
027    
028    /**
029     * For expresions and predicates using the
030     * <a href="http://activemq.apache.org/camel/bean-language.html>bean language</a>
031     *
032     * @version $Revision: 36321 $
033     */
034    @XmlRootElement(name = "methodCall")
035    public class MethodCallExpression extends ExpressionType {
036        @XmlAttribute(required = false)
037        private String bean;
038        @XmlAttribute(required = false)
039        private String method;
040    
041        public MethodCallExpression() {
042        }
043    
044        public MethodCallExpression(String beanName) {
045            super(beanName);
046        }
047    
048        public MethodCallExpression(String beanName, String method) {
049            super(beanName);
050            this.method = method;
051        }
052    
053        public String getLanguage() {
054            return "bean";
055        }
056    
057        public String getMethod() {
058            return method;
059        }
060    
061        public void setMethod(String method) {
062            this.method = method;
063        }
064    
065        @Override
066        public Expression createExpression(RouteContext routeContext) {
067            return new BeanExpression(beanName(), getMethod());
068        }
069    
070        @Override
071        public Predicate<Exchange> createPredicate(RouteContext routeContext) {
072            return new BeanExpression<Exchange>(beanName(), getMethod());
073        }
074    
075        protected String beanName() {
076            if (bean != null) {
077                return bean;
078            }
079            return getExpression();
080        }
081    }