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package org.apache.camel.builder; |
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import org.apache.camel.Exchange; |
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import org.apache.camel.Expression; |
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import org.apache.camel.Processor; |
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import org.apache.camel.processor.DeadLetterChannel; |
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import org.apache.camel.processor.RecipientList; |
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import org.apache.camel.processor.RedeliveryPolicy; |
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import org.apache.camel.processor.Logger; |
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import org.apache.camel.processor.LoggingLevel; |
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import org.apache.commons.logging.Log; |
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import org.apache.commons.logging.LogFactory; |
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public class DeadLetterChannelBuilder implements ErrorHandlerBuilder { |
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private RedeliveryPolicy redeliveryPolicy = new RedeliveryPolicy(); |
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private ProcessorFactory deadLetterFactory; |
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private Processor defaultDeadLetterEndpoint; |
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private Expression defaultDeadLetterEndpointExpression; |
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private String defaultDeadLetterEndpointUri = "log:org.apache.camel.DeadLetterChannel:error"; |
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private Logger logger = DeadLetterChannel.createDefaultLogger(); |
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public DeadLetterChannelBuilder() { |
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} |
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public DeadLetterChannelBuilder(Processor processor) { |
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this(new ConstantProcessorBuilder(processor)); |
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} |
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public DeadLetterChannelBuilder(ProcessorFactory deadLetterFactory) { |
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this.deadLetterFactory = deadLetterFactory; |
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} |
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public ErrorHandlerBuilder copy() { |
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DeadLetterChannelBuilder answer = new DeadLetterChannelBuilder(deadLetterFactory); |
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answer.setRedeliveryPolicy(getRedeliveryPolicy().copy()); |
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return answer; |
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} |
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public Processor createErrorHandler(Processor processor) throws Exception { |
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Processor deadLetter = getDeadLetterFactory().createProcessor(); |
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return new DeadLetterChannel(processor, deadLetter, getRedeliveryPolicy(), getLogger()); |
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} |
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public DeadLetterChannelBuilder backOffMultiplier(double backOffMultiplier) { |
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getRedeliveryPolicy().backOffMultiplier(backOffMultiplier); |
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return this; |
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} |
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public DeadLetterChannelBuilder collisionAvoidancePercent(short collisionAvoidancePercent) { |
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getRedeliveryPolicy().collisionAvoidancePercent(collisionAvoidancePercent); |
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return this; |
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} |
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public DeadLetterChannelBuilder initialRedeliveryDelay(long initialRedeliveryDelay) { |
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getRedeliveryPolicy().initialRedeliveryDelay(initialRedeliveryDelay); |
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return this; |
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} |
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public DeadLetterChannelBuilder maximumRedeliveries(int maximumRedeliveries) { |
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getRedeliveryPolicy().maximumRedeliveries(maximumRedeliveries); |
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return this; |
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} |
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public DeadLetterChannelBuilder useCollisionAvoidance() { |
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getRedeliveryPolicy().useCollisionAvoidance(); |
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return this; |
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} |
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public DeadLetterChannelBuilder useExponentialBackOff() { |
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getRedeliveryPolicy().useExponentialBackOff(); |
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return this; |
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} |
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public DeadLetterChannelBuilder logger(Logger logger) { |
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setLogger(logger); |
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return this; |
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} |
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public DeadLetterChannelBuilder loggingLevel(LoggingLevel level) { |
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getLogger().setLevel(level); |
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return this; |
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} |
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public DeadLetterChannelBuilder log(Log log) { |
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getLogger().setLog(log); |
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return this; |
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} |
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public DeadLetterChannelBuilder log(String log) { |
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return log(LogFactory.getLog(log)); |
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} |
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public DeadLetterChannelBuilder log(Class log) { |
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return log(LogFactory.getLog(log)); |
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} |
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public RedeliveryPolicy getRedeliveryPolicy() { |
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return redeliveryPolicy; |
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} |
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public void setRedeliveryPolicy(RedeliveryPolicy redeliveryPolicy) { |
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this.redeliveryPolicy = redeliveryPolicy; |
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} |
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public ProcessorFactory getDeadLetterFactory() { |
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if (deadLetterFactory == null) { |
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deadLetterFactory = new ProcessorFactory() { |
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public Processor createProcessor() { |
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return getDefaultDeadLetterEndpoint(); |
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} |
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}; |
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} |
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return deadLetterFactory; |
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} |
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public void setDeadLetterFactory(ProcessorFactory deadLetterFactory) { |
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this.deadLetterFactory = deadLetterFactory; |
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} |
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public Processor getDefaultDeadLetterEndpoint() { |
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if (defaultDeadLetterEndpoint == null) { |
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defaultDeadLetterEndpoint = new RecipientList(getDefaultDeadLetterEndpointExpression()); |
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} |
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return defaultDeadLetterEndpoint; |
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} |
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public void setDefaultDeadLetterEndpoint(Processor defaultDeadLetterEndpoint) { |
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this.defaultDeadLetterEndpoint = defaultDeadLetterEndpoint; |
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} |
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public Expression getDefaultDeadLetterEndpointExpression() { |
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if (defaultDeadLetterEndpointExpression == null) { |
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defaultDeadLetterEndpointExpression = ExpressionBuilder.constantExpression(getDefaultDeadLetterEndpointUri()); |
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} |
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return defaultDeadLetterEndpointExpression; |
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} |
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public void setDefaultDeadLetterEndpointExpression(Expression defaultDeadLetterEndpointExpression) { |
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this.defaultDeadLetterEndpointExpression = defaultDeadLetterEndpointExpression; |
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} |
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public String getDefaultDeadLetterEndpointUri() { |
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return defaultDeadLetterEndpointUri; |
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} |
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public void setDefaultDeadLetterEndpointUri(String defaultDeadLetterEndpointUri) { |
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this.defaultDeadLetterEndpointUri = defaultDeadLetterEndpointUri; |
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} |
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public Logger getLogger() { |
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return logger; |
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} |
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public void setLogger(Logger logger) { |
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this.logger = logger; |
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} |
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} |