Coverage Report - org.apache.camel.component.bean.BeanProcessor
 
Classes in this File Line Coverage Branch Coverage Complexity
BeanProcessor
38% 
33% 
0
 
 1  
 /**
 2  
  * Licensed to the Apache Software Foundation (ASF) under one or more
 3  
  * contributor license agreements.  See the NOTICE file distributed with
 4  
  * this work for additional information regarding copyright ownership.
 5  
  * The ASF licenses this file to You under the Apache License, Version 2.0
 6  
  * (the "License"); you may not use this file except in compliance with
 7  
  * the License.  You may obtain a copy of the License at
 8  
  *
 9  
  *      http://www.apache.org/licenses/LICENSE-2.0
 10  
  *
 11  
  * Unless required by applicable law or agreed to in writing, software
 12  
  * distributed under the License is distributed on an "AS IS" BASIS,
 13  
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 14  
  * See the License for the specific language governing permissions and
 15  
  * limitations under the License.
 16  
  */
 17  
 package org.apache.camel.component.bean;
 18  
 
 19  
 import java.lang.reflect.Method;
 20  
 
 21  
 import org.apache.camel.CamelContext;
 22  
 import org.apache.camel.Exchange;
 23  
 import org.apache.camel.Message;
 24  
 import org.apache.camel.Processor;
 25  
 import org.apache.camel.spi.Registry;
 26  
 import org.apache.camel.util.ObjectHelper;
 27  
 import org.apache.commons.logging.Log;
 28  
 import org.apache.commons.logging.LogFactory;
 29  
 
 30  
 import static org.apache.camel.util.ObjectHelper.isNullOrBlank;
 31  
 
 32  
 /**
 33  
  * A {@link Processor} which converts the inbound exchange to a method
 34  
  * invocation on a POJO
 35  
  * 
 36  
  * @version $Revision: $
 37  
  */
 38  
 public class BeanProcessor implements Processor {
 39  
     public static final String METHOD_NAME = "org.apache.camel.MethodName";
 40  3
     private static final Log LOG = LogFactory.getLog(BeanProcessor.class);
 41  
 
 42  
     private final Object pojo;
 43  
     private final BeanInfo beanInfo;
 44  
     private Method method;
 45  
     private String methodName;
 46  
 
 47  6
     public BeanProcessor(Object pojo, BeanInfo beanInfo) {
 48  6
         this.pojo = pojo;
 49  6
         this.beanInfo = beanInfo;
 50  6
     }
 51  
 
 52  
     public BeanProcessor(Object pojo, ParameterMappingStrategy parameterMappingStrategy) {
 53  6
         this(pojo, new BeanInfo(pojo.getClass(), parameterMappingStrategy));
 54  6
     }
 55  
 
 56  
     public BeanProcessor(Object pojo, CamelContext camelContext) {
 57  0
         this(pojo, createParameterMappingStrategy(camelContext));
 58  0
     }
 59  
 
 60  
     public static ParameterMappingStrategy createParameterMappingStrategy(CamelContext camelContext) {
 61  6
         Registry registry = camelContext.getRegistry();
 62  6
         ParameterMappingStrategy answer = registry.lookup(ParameterMappingStrategy.class.getName(),
 63  
                                                           ParameterMappingStrategy.class);
 64  6
         if (answer == null) {
 65  6
             answer = new DefaultParameterMappingStrategy();
 66  
         }
 67  6
         return answer;
 68  
     }
 69  
     @Override
 70  
     public String toString() {
 71  0
         String description = method != null ? " " + method : "";
 72  0
         return "BeanProcessor[" + pojo + description + "]";
 73  
     }
 74  
 
 75  
     public void process(Exchange exchange) throws Exception {
 76  18
         if (LOG.isDebugEnabled()) {
 77  0
             LOG.debug(">>>> invoking method for: " + exchange);
 78  
         }
 79  18
         Message in = exchange.getIn();
 80  18
         BeanInvocation beanInvoke = in.getBody(BeanInvocation.class);
 81  18
         if (beanInvoke != null) {
 82  18
             beanInvoke.invoke(pojo, exchange);
 83  18
             return;
 84  
         }
 85  
 
 86  
         MethodInvocation invocation;
 87  0
         if (method != null) {
 88  0
             invocation = beanInfo.createInvocation(method, pojo, exchange);
 89  0
         } else {
 90  
             // lets pass in the method name to use if its specified
 91  0
             if (ObjectHelper.isNotNullAndNonEmpty(methodName)) {
 92  0
                 if (isNullOrBlank(in.getHeader(METHOD_NAME, String.class))) {
 93  0
                     in.setHeader(METHOD_NAME, methodName);
 94  
                 }
 95  
             }
 96  0
             invocation = beanInfo.createInvocation(pojo, exchange);
 97  
         }
 98  0
         if (invocation == null) {
 99  0
             throw new IllegalStateException("No method invocation could be created");
 100  
         }
 101  
         try {
 102  0
             Object value = invocation.proceed();
 103  0
             if (value != null) {
 104  0
                 exchange.getIn().setBody(value);
 105  
             }
 106  0
         } catch (Exception e) {
 107  0
             throw e;
 108  0
         } catch (Throwable throwable) {
 109  0
             throw new Exception(throwable);
 110  0
         }
 111  0
     }
 112  
 
 113  
     // Properties
 114  
     // -----------------------------------------------------------------------
 115  
 
 116  
     public Method getMethod() {
 117  0
         return method;
 118  
     }
 119  
 
 120  
     public void setMethod(Method method) {
 121  0
         this.method = method;
 122  0
     }
 123  
 
 124  
     public String getMethodName() {
 125  0
         return methodName;
 126  
     }
 127  
 
 128  
     public void setMethodName(String methodName) {
 129  0
         this.methodName = methodName;
 130  0
     }
 131  
 }