Package org.switchyard.handlers

Source Code of org.switchyard.handlers.MessageTraceTest

/*
* Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors.
*
* Licensed 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.switchyard.handlers;

import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.io.Reader;
import java.io.StringReader;

import javax.xml.namespace.QName;

import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.switchyard.Exchange;
import org.switchyard.Message;
import org.switchyard.MockDomain;
import org.switchyard.MockHandler;
import org.switchyard.ServiceReference;
import org.switchyard.transform.BaseTransformer;

public class MessageTraceTest {

    private MockDomain _domain;
   
    @Before
    public void setUp() throws Exception {
        _domain = new MockDomain();
    }
   
    @Test
    public void testInMessageTrace() {
        ServiceReference service = _domain.createInOnlyService(new QName("InTrace"));
        Exchange exchange = service.createExchange();
        exchange.send(exchange.createMessage());
    }
   
    @Test
    public void testInOutMessageTrace() throws Exception {
        ServiceReference service = _domain.createInOutService(
                new QName("InOutTrace"), new MockHandler().forwardInToOut());
        Exchange exchange = service.createExchange(new MockHandler());
        exchange.send(exchange.createMessage());
    }

    @Test
    public void testInFaultMessageTrace() throws Exception {
        ServiceReference service = _domain.createInOutService(
                new QName("InFaultTrace"), new MockHandler().forwardInToOut());
        Exchange exchange = service.createExchange(new MockHandler());
        exchange.send(exchange.createMessage());
    }
   
    @Test
    public void testStreamContent() throws Exception {
        String contentAsString = "abc-InputStream-xyz";
        MockHandler provider = new MockHandler();
        _domain.getTransformerRegistry().addTransformer(new StreamTransformer());
        ServiceReference service = _domain.createInOnlyService(new QName("StreamTest"), provider);
       
        InputStream contentAsStream = new ByteArrayInputStream(contentAsString.getBytes());
        Exchange ex = service.createExchange();
        Message msg = ex.createMessage();
        msg.setContent(contentAsStream);
        ex.send(msg);

        Message rcvdMsg = provider.getMessages().poll().getMessage();
        Assert.assertTrue(rcvdMsg.getContent(InputStream.class).available() > 0);
       
    }
   
    @Test
    public void testReaderContent() throws Exception {
        String contentAsString = "abc-Reader-xyz";
        MockHandler provider = new MockHandler();
        _domain.getTransformerRegistry().addTransformer(new ReaderTransformer());
        ServiceReference service = _domain.createInOnlyService(new QName("ReaderTest"), provider);
       
        StringReader contentAsReader = new StringReader(contentAsString);
        Exchange ex = service.createExchange();
        Message msg = ex.createMessage();
        msg.setContent(contentAsReader);
        ex.send(msg);

        Message rcvdMsg = provider.getMessages().poll().getMessage();
        Assert.assertTrue(rcvdMsg.getContent(Reader.class).read() != -1);
    }
}

class StreamTransformer extends BaseTransformer<InputStream, String> {
    public String transform(InputStream stream) {
        try {
            byte[] buf = new byte[500];
            int count = stream.read(buf);
            return new String(buf, 0, count);
        } catch (Exception ex) {
            throw new RuntimeException(ex);
        }
    }
}

class ReaderTransformer extends BaseTransformer<Reader, String> {
    public String transform(Reader reader) {
        try {
            char[] buf = new char[500];
            int count = reader.read(buf);
            return new String(buf, 0, count);
        } catch (Exception ex) {
            throw new RuntimeException(ex);
        }
    }
}
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