Coverage Report - org.apache.camel.builder.DeadLetterChannelBuilder
 
Classes in this File Line Coverage Branch Coverage Complexity
DeadLetterChannelBuilder
52% 
100% 
1.103
 
 1  
 /**
 2  
  *
 3  
  * Licensed to the Apache Software Foundation (ASF) under one or more
 4  
  * contributor license agreements.  See the NOTICE file distributed with
 5  
  * this work for additional information regarding copyright ownership.
 6  
  * The ASF licenses this file to You under the Apache License, Version 2.0
 7  
  * (the "License"); you may not use this file except in compliance with
 8  
  * the License.  You may obtain a copy of the License at
 9  
  *
 10  
  * http://www.apache.org/licenses/LICENSE-2.0
 11  
  *
 12  
  * Unless required by applicable law or agreed to in writing, software
 13  
  * distributed under the License is distributed on an "AS IS" BASIS,
 14  
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 15  
  * See the License for the specific language governing permissions and
 16  
  * limitations under the License.
 17  
  */
 18  
 package org.apache.camel.builder;
 19  
 
 20  
 import org.apache.camel.Exchange;
 21  
 import org.apache.camel.Expression;
 22  
 import org.apache.camel.Processor;
 23  
 import org.apache.camel.processor.DeadLetterChannel;
 24  
 import org.apache.camel.processor.RecipientList;
 25  
 import org.apache.camel.processor.RedeliveryPolicy;
 26  
 import org.apache.camel.processor.Logger;
 27  
 import org.apache.camel.processor.LoggingLevel;
 28  
 import org.apache.commons.logging.Log;
 29  
 import org.apache.commons.logging.LogFactory;
 30  
 
 31  
 /**
 32  
  * A builder of a <a href="http://activemq.apache.org/camel/dead-letter-channel.html">Dead Letter Channel</a>
 33  
  *
 34  
  * @version $Revision: 534145 $
 35  
  */
 36  
 public class DeadLetterChannelBuilder implements ErrorHandlerBuilder {
 37  84
     private RedeliveryPolicy redeliveryPolicy = new RedeliveryPolicy();
 38  
     private ProcessorFactory deadLetterFactory;
 39  
     private Processor defaultDeadLetterEndpoint;
 40  
     private Expression defaultDeadLetterEndpointExpression;
 41  84
     private String defaultDeadLetterEndpointUri = "log:org.apache.camel.DeadLetterChannel:error";
 42  84
     private Logger logger = DeadLetterChannel.createDefaultLogger();
 43  
 
 44  82
     public DeadLetterChannelBuilder() {
 45  82
     }
 46  
 
 47  
     public DeadLetterChannelBuilder(Processor processor) {
 48  2
         this(new ConstantProcessorBuilder(processor));
 49  2
     }
 50  
 
 51  2
     public DeadLetterChannelBuilder(ProcessorFactory deadLetterFactory) {
 52  2
         this.deadLetterFactory = deadLetterFactory;
 53  2
     }
 54  
 
 55  
     public ErrorHandlerBuilder copy() {
 56  0
         DeadLetterChannelBuilder answer = new DeadLetterChannelBuilder(deadLetterFactory);
 57  0
         answer.setRedeliveryPolicy(getRedeliveryPolicy().copy());
 58  0
         return answer;
 59  
     }
 60  
 
 61  
     public Processor createErrorHandler(Processor processor) throws Exception {
 62  90
         Processor deadLetter = getDeadLetterFactory().createProcessor();
 63  90
         return new DeadLetterChannel(processor, deadLetter, getRedeliveryPolicy(), getLogger());
 64  
     }
 65  
 
 66  
     // Builder methods
 67  
     //-------------------------------------------------------------------------
 68  
     public DeadLetterChannelBuilder backOffMultiplier(double backOffMultiplier) {
 69  0
         getRedeliveryPolicy().backOffMultiplier(backOffMultiplier);
 70  0
         return this;
 71  
     }
 72  
 
 73  
     public DeadLetterChannelBuilder collisionAvoidancePercent(short collisionAvoidancePercent) {
 74  0
         getRedeliveryPolicy().collisionAvoidancePercent(collisionAvoidancePercent);
 75  0
         return this;
 76  
     }
 77  
 
 78  
     public DeadLetterChannelBuilder initialRedeliveryDelay(long initialRedeliveryDelay) {
 79  2
         getRedeliveryPolicy().initialRedeliveryDelay(initialRedeliveryDelay);
 80  2
         return this;
 81  
     }
 82  
 
 83  
     public DeadLetterChannelBuilder maximumRedeliveries(int maximumRedeliveries) {
 84  2
         getRedeliveryPolicy().maximumRedeliveries(maximumRedeliveries);
 85  2
         return this;
 86  
     }
 87  
 
 88  
     public DeadLetterChannelBuilder useCollisionAvoidance() {
 89  0
         getRedeliveryPolicy().useCollisionAvoidance();
 90  0
         return this;
 91  
     }
 92  
 
 93  
     public DeadLetterChannelBuilder useExponentialBackOff() {
 94  0
         getRedeliveryPolicy().useExponentialBackOff();
 95  0
         return this;
 96  
     }
 97  
 
 98  
     /**
 99  
      * Sets the logger used for caught exceptions
 100  
      */
 101  
     public DeadLetterChannelBuilder logger(Logger logger) {
 102  0
         setLogger(logger);
 103  0
         return this;
 104  
     }
 105  
 
 106  
     /**
 107  
      * Sets the logging level of exceptions caught
 108  
      */
 109  
     public DeadLetterChannelBuilder loggingLevel(LoggingLevel level) {
 110  2
         getLogger().setLevel(level);
 111  2
         return this;
 112  
     }
 113  
 
 114  
     /**
 115  
      * Sets the log used for caught exceptions
 116  
      */
 117  
     public DeadLetterChannelBuilder log(Log log) {
 118  0
         getLogger().setLog(log);
 119  0
         return this;
 120  
     }
 121  
 
 122  
     /**
 123  
      * Sets the log used for caught exceptions
 124  
      */
 125  
     public DeadLetterChannelBuilder log(String log) {
 126  0
         return log(LogFactory.getLog(log));
 127  
     }
 128  
 
 129  
     /**
 130  
      * Sets the log used for caught exceptions
 131  
      */
 132  
     public DeadLetterChannelBuilder log(Class log) {
 133  0
         return log(LogFactory.getLog(log));
 134  
     }
 135  
 
 136  
     // Properties
 137  
     //-------------------------------------------------------------------------
 138  
     public RedeliveryPolicy getRedeliveryPolicy() {
 139  94
         return redeliveryPolicy;
 140  
     }
 141  
 
 142  
     /**
 143  
      * Sets the redelivery policy
 144  
      */
 145  
     public void setRedeliveryPolicy(RedeliveryPolicy redeliveryPolicy) {
 146  0
         this.redeliveryPolicy = redeliveryPolicy;
 147  0
     }
 148  
 
 149  
     public ProcessorFactory getDeadLetterFactory() {
 150  90
         if (deadLetterFactory == null) {
 151  82
             deadLetterFactory = new ProcessorFactory() {
 152  82
                 public Processor createProcessor() {
 153  88
                     return getDefaultDeadLetterEndpoint();
 154  
                 }
 155  
             };
 156  
         }
 157  90
         return deadLetterFactory;
 158  
     }
 159  
 
 160  
     /**
 161  
      * Sets the default dead letter queue factory
 162  
      */
 163  
     public void setDeadLetterFactory(ProcessorFactory deadLetterFactory) {
 164  0
         this.deadLetterFactory = deadLetterFactory;
 165  0
     }
 166  
 
 167  
     public Processor getDefaultDeadLetterEndpoint() {
 168  88
         if (defaultDeadLetterEndpoint == null) {
 169  82
             defaultDeadLetterEndpoint = new RecipientList(getDefaultDeadLetterEndpointExpression());
 170  
         }
 171  88
         return defaultDeadLetterEndpoint;
 172  
     }
 173  
 
 174  
     /**
 175  
      * Sets the default dead letter endpoint used
 176  
      */
 177  
     public void setDefaultDeadLetterEndpoint(Processor defaultDeadLetterEndpoint) {
 178  0
         this.defaultDeadLetterEndpoint = defaultDeadLetterEndpoint;
 179  0
     }
 180  
 
 181  
     public Expression getDefaultDeadLetterEndpointExpression() {
 182  82
         if (defaultDeadLetterEndpointExpression == null) {
 183  82
             defaultDeadLetterEndpointExpression = ExpressionBuilder.constantExpression(getDefaultDeadLetterEndpointUri());
 184  
         }
 185  82
         return defaultDeadLetterEndpointExpression;
 186  
     }
 187  
 
 188  
     /**
 189  
      * Sets the expression used to decide the dead letter channel endpoint for an exchange
 190  
      * if no factory is provided via {@link #setDeadLetterFactory(ProcessorFactory)}
 191  
      */
 192  
     public void setDefaultDeadLetterEndpointExpression(Expression defaultDeadLetterEndpointExpression) {
 193  0
         this.defaultDeadLetterEndpointExpression = defaultDeadLetterEndpointExpression;
 194  0
     }
 195  
 
 196  
     public String getDefaultDeadLetterEndpointUri() {
 197  82
         return defaultDeadLetterEndpointUri;
 198  
     }
 199  
 
 200  
     /**
 201  
      * Sets the default dead letter endpoint URI used if no factory is provided via {@link #setDeadLetterFactory(ProcessorFactory)}
 202  
      * and no expression is provided via {@link #setDefaultDeadLetterEndpointExpression(Expression)}
 203  
      *
 204  
      * @param defaultDeadLetterEndpointUri the default URI if no deadletter factory or expression is provided
 205  
      */
 206  
     public void setDefaultDeadLetterEndpointUri(String defaultDeadLetterEndpointUri) {
 207  0
         this.defaultDeadLetterEndpointUri = defaultDeadLetterEndpointUri;
 208  0
     }
 209  
 
 210  
     public Logger getLogger() {
 211  92
         return logger;
 212  
     }
 213  
 
 214  
     public void setLogger(Logger logger) {
 215  0
         this.logger = logger;
 216  0
     }
 217  
 }