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.Expression;
025    import org.apache.camel.Predicate;
026    import org.apache.camel.language.bean.BeanExpression;
027    import org.apache.camel.spi.RouteContext;
028    
029    /**
030     * For expressions and predicates using the
031     * <a href="http://camel.apache.org/bean-language.html">bean language</a>
032     *
033     * @version $Revision: 751221 $
034     */
035    @XmlRootElement(name = "method")
036    @XmlAccessorType(XmlAccessType.FIELD)
037    public class MethodCallExpression extends ExpressionDefinition {
038        @XmlAttribute(required = false)
039        private String bean;
040        @XmlAttribute(required = false)
041        private String method;
042    
043        public MethodCallExpression() {
044        }
045    
046        public MethodCallExpression(String beanName) {
047            super(beanName);
048        }
049    
050        public MethodCallExpression(String beanName, String method) {
051            super(beanName);
052            this.method = method;
053        }
054    
055        public String getLanguage() {
056            return "bean";
057        }
058    
059        public String getMethod() {
060            return method;
061        }
062    
063        public void setMethod(String method) {
064            this.method = method;
065        }
066    
067        @Override
068        public Expression createExpression(RouteContext routeContext) {
069            return new BeanExpression(beanName(), getMethod());
070        }
071    
072        @Override
073        public Predicate createPredicate(RouteContext routeContext) {
074            return new BeanExpression(beanName(), getMethod());
075        }
076    
077        protected String beanName() {
078            if (bean != null) {
079                return bean;
080            }
081            return getExpression();
082        }
083    
084        @Override
085        public String toString() {
086            return "bean{" + beanName() + (method != null ? ", method=" + method : "") + "}";
087        }
088    }