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    import javax.xml.bind.annotation.XmlTransient;
024    
025    import org.apache.camel.Processor;
026    import org.apache.camel.component.bean.BeanProcessor;
027    import org.apache.camel.component.bean.RegistryBean;
028    import org.apache.camel.spi.RouteContext;
029    import org.apache.camel.util.CamelContextHelper;
030    import org.apache.camel.util.ObjectHelper;
031    
032    /**
033     * Represents an XML <bean/> element
034     *
035     * @version $Revision: 776 $
036     */
037    @XmlRootElement(name = "bean")
038    @XmlAccessorType(XmlAccessType.FIELD)
039    public class BeanRef extends OutputType<ProcessorType> {
040        @XmlAttribute(required = false)
041        private String ref;
042        @XmlAttribute(required = false)
043        private String method;
044        @XmlAttribute(required = false)
045        private Class beanType;
046        @XmlTransient
047        private Object bean;
048    
049        public BeanRef() {
050        }
051    
052        public BeanRef(String ref) {
053            this.ref = ref;
054        }
055    
056        public BeanRef(String ref, String method) {
057            this.ref = ref;
058            this.method = method;
059        }
060    
061        @Override
062        public String toString() {
063            return "Bean[" + getLabel() + "]";
064        }
065    
066        @Override
067        public String getShortName() {
068            return "bean";
069        }
070    
071        public String getRef() {
072            return ref;
073        }
074    
075        public void setRef(String ref) {
076            this.ref = ref;
077        }
078    
079        public String getMethod() {
080            return method;
081        }
082    
083        public void setMethod(String method) {
084            this.method = method;
085        }
086    
087        public void setBean(Object bean) {
088            this.bean = bean;
089        }
090    
091        public Class getBeanType() {
092            return beanType;
093        }
094    
095        public void setBeanType(Class beanType) {
096            this.beanType = beanType;
097        }
098    
099        @Override
100        public Processor createProcessor(RouteContext routeContext) {
101            BeanProcessor answer;
102            if (ref != null) {
103                answer = new BeanProcessor(new RegistryBean(routeContext.getCamelContext(), ref));
104            } else {
105                if (bean == null) {
106                    ObjectHelper.notNull(beanType, "bean, ref or beanType");
107                    bean = CamelContextHelper.newInstance(routeContext.getCamelContext(), beanType);
108                }
109                answer = new BeanProcessor(bean, routeContext.getCamelContext());
110            }
111            if (method != null) {
112                answer.setMethod(method);
113            }
114            return answer;
115        }
116    
117        @Override
118        public String getLabel() {
119            if (ref != null) {
120                String methodText = "";
121                if (method != null) {
122                    methodText = " method: " + method;
123                }
124                return "ref: " + ref + methodText;
125            } else if (bean != null) {
126                return bean.toString();
127            } else if (beanType != null) {
128                return beanType.getName();
129            } else {
130                return "";
131            }
132        }
133    }