/**
 * 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.component.netty;

import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.InputStream;

import org.apache.camel.EndpointInject;
import org.apache.camel.Exchange;
import org.apache.camel.Message;
import org.apache.camel.Processor;
import org.apache.camel.Produce;
import org.apache.camel.ProducerTemplate;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.converter.IOConverter;
import org.apache.camel.test.junit4.CamelTestSupport;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class NettyUDPAsyncTest extends CamelTestSupport {
    private static final transient Logger LOG = LoggerFactory.getLogger(NettyUDPAsyncTest.class);
    
    @EndpointInject(uri = "mock:result")
    protected MockEndpoint resultEndpoint;
    @Produce(uri = "direct:start")
    protected ProducerTemplate producerTemplate;
    
    private void sendFile(String uri) throws Exception {
        producerTemplate.send(uri, new Processor() {
            public void process(Exchange exchange) throws Exception {
             // Read from an input stream
                InputStream is = new BufferedInputStream(
                    new FileInputStream("./src/test/resources/test.txt"));

                byte buffer[] = IOConverter.toBytes(is);
                is.close();
                
                // Set the property of the charset encoding
                exchange.setProperty(Exchange.CHARSET_NAME, "UTF-8");
                Message in = exchange.getIn();
                in.setBody(buffer);
            }            
        });
    }

    @Test
    public void testUDPInOnlyWithNettyConsumer() throws Exception {
        if (LOG.isDebugEnabled()) {
            LOG.debug("Beginning Test ---> testUDPInOnlyWithNettyConsumer()");
        }
        
        MockEndpoint mock = getMockEndpoint("mock:result");
        mock.expectedMessageCount(1);
        sendFile("netty:udp://localhost:5151?sync=false");
        mock.assertIsSatisfied();

        if (LOG.isDebugEnabled()) {
            LOG.debug("Completed Test ---> testUDPInOnlyWithNettyConsumer()");
        }    
    }

    
    @Override
    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            @Override
            public void configure() throws Exception {
                from("netty:udp://localhost:5151?sync=false")
                    .to("mock:result")
                    .to("log:Message"); 
            }
        };
    }

}
