Package org.apache.camel.processor

Source Code of org.apache.camel.processor.DefaultScheduledPollConsumerBridgeErrorHandlerTest$MyComponent

/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License.  You may obtain a copy of the License at
*
*      http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.camel.processor;

import java.util.Map;

import org.apache.camel.Component;
import org.apache.camel.Consumer;
import org.apache.camel.ContextTestSupport;
import org.apache.camel.Endpoint;
import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.camel.Producer;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.impl.DefaultComponent;
import org.apache.camel.impl.DefaultEndpoint;
import org.apache.camel.impl.ScheduledPollConsumer;

/**
*
*/
public class DefaultScheduledPollConsumerBridgeErrorHandlerTest extends ContextTestSupport {

    public void testDefaultConsumerBridgeErrorHandler() throws Exception {
        getMockEndpoint("mock:result").expectedMessageCount(0);
        getMockEndpoint("mock:dead").expectedMinimumMessageCount(1);

        assertMockEndpointsSatisfied();

        Exception cause = getMockEndpoint("mock:dead").getReceivedExchanges().get(0).getProperty(Exchange.EXCEPTION_CAUGHT, Exception.class);
        assertNotNull(cause);
        assertEquals("Simulated", cause.getMessage());
    }

    @Override
    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            @Override
            public void configure() throws Exception {
                getContext().addComponent("my", new MyComponent());

                // configure error handler
                errorHandler(deadLetterChannel("mock:dead"));

                // configure the consumer to bridge with the Camel error handler,
                // so the above error handler will trigger if exceptions also
                // occurs inside the consumer
                from("my:foo?consumer.bridgeErrorHandler=true")
                    .to("log:foo")
                    .to("mock:result");
            }
        };
        // END SNIPPET: e1
    }

    public static class MyComponent extends DefaultComponent {

        @Override
        protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) throws Exception {
            return new MyEndpoint(uri, this);
        }
    }

    public static class MyEndpoint extends DefaultEndpoint {

        public MyEndpoint(String endpointUri, Component component) {
            super(endpointUri, component);
        }

        @Override
        public Producer createProducer() throws Exception {
            return null;
        }

        @Override
        public Consumer createConsumer(Processor processor) throws Exception {
            Consumer answer = new MyConsumer(this, processor);
            configureConsumer(answer);
            return answer;
        }

        @Override
        public boolean isSingleton() {
            return true;
        }
    }

    public static class MyConsumer extends ScheduledPollConsumer {

        public MyConsumer(Endpoint endpoint, Processor processor) {
            super(endpoint, processor);
        }

        @Override
        protected int poll() throws Exception {
            throw new IllegalArgumentException("Simulated");
        }
    }
}
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