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: 41908 $
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        public String getRef() {
067            return ref;
068        }
069    
070        public void setRef(String ref) {
071            this.ref = ref;
072        }
073    
074        public String getMethod() {
075            return method;
076        }
077    
078        public void setMethod(String method) {
079            this.method = method;
080        }
081    
082        public void setBean(Object bean) {
083            this.bean = bean;
084        }
085    
086        public Class getBeanType() {
087            return beanType;
088        }
089    
090        public void setBeanType(Class beanType) {
091            this.beanType = beanType;
092        }
093    
094        @Override
095        public Processor createProcessor(RouteContext routeContext) {
096            BeanProcessor answer;
097            if (ref != null) {
098                answer = new BeanProcessor(new RegistryBean(routeContext.getCamelContext(), ref));
099            } else {
100                if (bean == null) {
101                    ObjectHelper.notNull(beanType, "bean, ref or beanType");
102                    bean = CamelContextHelper.newInstance(routeContext.getCamelContext(), beanType);
103                }
104                answer = new BeanProcessor(bean, routeContext.getCamelContext());
105            }
106            if (method != null) {
107                answer.setMethod(method);
108            }
109            return answer;
110        }
111    
112        @Override
113        public String getLabel() {
114            if (ref != null) {
115                String methodText = "";
116                if (method != null) {
117                    methodText = " method: " + method;
118                }
119                return "ref: " + ref + methodText;
120            } else if (bean != null) {
121                return bean.toString();
122            } else if (beanType != null) {
123                return beanType.getName();
124            } else {
125                return "";
126            }
127        }
128    }