Package org.apache.camel.model

Examples of org.apache.camel.model.ExceptionType

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    /**
     * Attempts to invoke the handler for this particular exception if one is available
     */
    protected boolean customProcessorForException(Exchange exchange, Throwable exception) throws Exception {
        ExceptionType policy = getExceptionPolicy(exchange, exception);
        if (policy != null) {
            Processor processor = policy.getErrorHandler();
            if (processor != null) {
                processor.process(exchange);
                return true;
            }
        }
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        }

        // the goal is to find the exception with the same/closet inheritance level as the target exception being thrown
        int targetLevel = getInheritanceLevel(exception.getClass());
        // candidate is the best candidate found so far to return
        ExceptionType candidate = null;
        // difference in inheritance level between the current candidate and the thrown exception (target level)
        int candidateDiff = Integer.MAX_VALUE;

        // loop through all the entries and find the best candidates to use
        Set<Map.Entry<Class, ExceptionType>> entries = exceptionPolicices.entrySet();
        for (Map.Entry<Class, ExceptionType> entry : entries) {
            Class clazz = entry.getKey();
            ExceptionType type = entry.getValue();

            // must be instance of check to ensure that the clazz is one type of the thrown exception
            if (clazz.isInstance(exception)) {

                // exact match
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                exchange.setException(null); // Reset it since we are handling it.

                logger.log("Failed delivery for exchangeId: " + exchange.getExchangeId() + ". On delivery attempt: " + data.redeliveryCounter + " caught: " + e, e);
                data.redeliveryCounter = incrementRedeliveryCounter(exchange, e);

                ExceptionType exceptionPolicy = getExceptionPolicy(exchange, e);
                if (exceptionPolicy != null) {
                    data.currentRedeliveryPolicy = exceptionPolicy.createRedeliveryPolicy(data.currentRedeliveryPolicy);
                    Processor processor = exceptionPolicy.getErrorHandler();
                    if (processor != null) {
                        data.failureProcessor = processor;
                    }
                }
            }
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    private ExceptionType type3;

    private void setupPolicies() {
        strategy = new DefaultExceptionPolicyStrategy();
        policies = new HashMap<Class, ExceptionType>();
        type1 = new ExceptionType(CamelExchangeException.class);
        type2 = new ExceptionType(Exception.class);
        type3 = new ExceptionType(IOException.class);
        policies.put(CamelExchangeException.class, type1);
        policies.put(Exception.class, type2);
        policies.put(IOException.class, type3);
    }
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    private void setupPoliciesNoTopLevelException() {
        // without the top level exception that can be used as fallback
        strategy = new DefaultExceptionPolicyStrategy();
        policies = new HashMap<Class, ExceptionType>();
        type1 = new ExceptionType(CamelExchangeException.class);
        type3 = new ExceptionType(IOException.class);
        policies.put(CamelExchangeException.class, type1);
        policies.put(IOException.class, type3);
    }
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        policies.put(IOException.class, type3);
    }

    public void testDirectMatch1() {
        setupPolicies();
        ExceptionType result = strategy.getExceptionPolicy(policies, null, new CamelExchangeException("", null));
        assertEquals(type1, result);
    }
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        assertEquals(type1, result);
    }

    public void testDirectMatch2() {
        setupPolicies();
        ExceptionType result = strategy.getExceptionPolicy(policies, null, new Exception(""));
        assertEquals(type2, result);
    }
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        assertEquals(type2, result);
    }

    public void testDirectMatch3() {
        setupPolicies();
        ExceptionType result = strategy.getExceptionPolicy(policies, null, new IOException(""));
        assertEquals(type3, result);
    }
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        assertEquals(type3, result);
    }

    public void testClosetMatch3() {
        setupPolicies();
        ExceptionType result = strategy.getExceptionPolicy(policies, null, new ConnectException(""));
        assertEquals(type3, result);

        result = strategy.getExceptionPolicy(policies, null, new SocketException(""));
        assertEquals(type3, result);
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        assertEquals(type3, result);
    }

    public void testClosetMatch2() {
        setupPolicies();
        ExceptionType result = strategy.getExceptionPolicy(policies, null, new ClassCastException(""));
        assertEquals(type2, result);

        result = strategy.getExceptionPolicy(policies, null, new NumberFormatException(""));
        assertEquals(type2, result);
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Related Classes of org.apache.camel.model.ExceptionType

  • org.apache.camel.builder.ErrorHandlerBuilder
  • org.apache.camel.builder.RouteBuilder
  • org.apache.camel.language.constant.ConstantLanguage
  • org.apache.camel.Processor
  • org.apache.camel.processor.CatchProcessor
  • org.apache.camel.processor.DeadLetterChannel
  • org.apache.camel.processor.ErrorHandlerSupport
  • org.apache.camel.processor.ErrorHandlerSupportTest
  • org.apache.camel.processor.exceptionpolicy.DefaultExceptionPolicyStrategy
  • org.apache.camel.processor.exceptionpolicy.DefaultExceptionPolicyStrategyTest
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