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package org.apache.camel.processor; |
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import org.apache.camel.Exchange; |
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import org.apache.camel.Processor; |
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import org.apache.camel.impl.ServiceSupport; |
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import org.apache.camel.model.ExceptionType; |
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import java.util.IdentityHashMap; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.Set; |
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public abstract class ErrorHandlerSupport extends ServiceSupport implements ErrorHandler { |
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private Map<Class, ExceptionType> exceptionPolicices = new IdentityHashMap<Class, ExceptionType>(); |
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public void addExceptionPolicy(ExceptionType exception) { |
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Processor processor = exception.getErrorHandler(); |
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addChildService(processor); |
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List<Class> list = exception.getExceptionClasses(); |
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for (Class exceptionType : list) { |
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exceptionPolicices.put(exceptionType, exception); |
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} |
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} |
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protected boolean customProcessorForException(Exchange exchange, Throwable exception) throws Exception { |
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ExceptionType policy = getExceptionPolicy(exchange, exception); |
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Processor processor = policy.getErrorHandler(); |
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if (processor != null) { |
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processor.process(exchange); |
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return true; |
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} |
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return false; |
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} |
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protected ExceptionType getExceptionPolicy(Exchange exchange, Throwable exception) { |
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Set<Map.Entry<Class, ExceptionType>> entries = exceptionPolicices.entrySet(); |
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for (Map.Entry<Class, ExceptionType> entry : entries) { |
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Class type = entry.getKey(); |
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if (type.isInstance(exception)) { |
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return entry.getValue(); |
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} |
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} |
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return null; |
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} |
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} |