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.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.Exchange;
025    import org.apache.camel.Expression;
026    import org.apache.camel.Predicate;
027    import org.apache.camel.language.bean.BeanExpression;
028    import org.apache.camel.spi.RouteContext;
029    
030    /**
031     * For expressions and predicates using the
032     * <a href="http://activemq.apache.org/camel/bean-language.html">bean language</a>
033     *
034     * @version $Revision: 45033 $
035     */
036    @XmlRootElement(name = "methodCall")
037    @XmlAccessorType(XmlAccessType.FIELD)
038    public class MethodCallExpression extends ExpressionType {
039        @XmlAttribute(required = false)
040        private String bean;
041        @XmlAttribute(required = false)
042        private String method;
043    
044        public MethodCallExpression() {
045        }
046    
047        public MethodCallExpression(String beanName) {
048            super(beanName);
049        }
050    
051        public MethodCallExpression(String beanName, String method) {
052            super(beanName);
053            this.method = method;
054        }
055    
056        public String getLanguage() {
057            return "bean";
058        }
059    
060        public String getMethod() {
061            return method;
062        }
063    
064        public void setMethod(String method) {
065            this.method = method;
066        }
067    
068        @Override
069        public Expression createExpression(RouteContext routeContext) {
070            return new BeanExpression(beanName(), getMethod());
071        }
072    
073        @Override
074        public Predicate<Exchange> createPredicate(RouteContext routeContext) {
075            return new BeanExpression<Exchange>(beanName(), getMethod());
076        }
077    
078        protected String beanName() {
079            if (bean != null) {
080                return bean;
081            }
082            return getExpression();
083        }
084    }