/*
 * 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.axis2.jaxws.xmlhttp.clientTests.dispatch.source;

import junit.framework.Test;
import junit.framework.TestSuite;
import org.apache.axis2.jaxws.framework.AbstractTestCase;
import org.apache.axis2.jaxws.message.util.Reader2Writer;

import javax.xml.namespace.QName;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamReader;
import javax.xml.transform.Source;
import javax.xml.transform.stream.StreamSource;
import javax.xml.ws.Dispatch;
import javax.xml.ws.Service;
import javax.xml.ws.WebServiceException;
import javax.xml.ws.handler.MessageContext;
import javax.xml.ws.http.HTTPBinding;
import java.io.ByteArrayInputStream;
import java.io.InputStream;

public class DispatchXMessageSourceTests extends AbstractTestCase {

    private static XMLInputFactory inputFactory = XMLInputFactory.newInstance();

    public String HOSTPORT = "http://localhost:6060";
        
    private String ENDPOINT_URL = HOSTPORT + "/axis2/services/XMessageSourceProvider.XMessageSourceProviderPort";
    private QName SERVICE_NAME  = new QName("http://ws.apache.org/axis2", "XMessageSourceProvider");
    private QName PORT_NAME  = new QName("http://ws.apache.org/axis2", "XMessageSourceProviderPort");
 
    private static String XML_TEXT = "<p:echo xmlns:p=\"http://sample\">hello world</p:echo>";
    private static String XML_TEXT_NPE = "<p:echo xmlns:p=\"http://sample\">NPE</p:echo>";
    
    private static String GET_RESPONSE = "<response>GET</response>";
    
    public static Test suite() {
        return getTestSetup(new TestSuite(DispatchXMessageSourceTests.class));
    }

    public Dispatch<Source> getDispatch() {
       Service service = Service.create(SERVICE_NAME);
       service.addPort(PORT_NAME, HTTPBinding.HTTP_BINDING,ENDPOINT_URL);
       Dispatch<Source> dispatch = service.createDispatch(PORT_NAME, Source.class, Service.Mode.MESSAGE);
       return dispatch;
    }
    
    /**
     * Simple XML/HTTP Message Test
     * @throws Exception
     */
    public void testSimple() throws Exception {
        Dispatch<Source> dispatch = getDispatch();
        String request = XML_TEXT;
        ByteArrayInputStream stream = new ByteArrayInputStream(request.getBytes());
        Source inSource = new StreamSource((InputStream) stream);
        
        Source outSource = dispatch.invoke(inSource);
        
        // Prepare the response content for checking
        XMLStreamReader reader = inputFactory.createXMLStreamReader(outSource);
        Reader2Writer r2w = new Reader2Writer(reader);
        String response = r2w.getAsString();
        
        assertTrue(response != null);
        assertTrue(request.equals(response));
        
        // Test a second time to verify
        stream = new ByteArrayInputStream(request.getBytes());
        inSource = new StreamSource((InputStream) stream);
        
        outSource = dispatch.invoke(inSource);
        
        // Prepare the response content for checking
        reader = inputFactory.createXMLStreamReader(outSource);
        r2w = new Reader2Writer(reader);
        response = r2w.getAsString();
        
        assertTrue(response != null);
        assertTrue(request.equals(response));
    }
    
    public void testGetRequest() throws Exception {
        Dispatch<Source> dispatch = getDispatch();

        // this should fail
        try {
            dispatch.invoke(null);
            fail("Did not throw WebServiceException");
        } catch (WebServiceException e) {
            // that's what we expect
        }
        
        // this should work ok
        dispatch.getRequestContext().put(MessageContext.HTTP_REQUEST_METHOD, "GET"); 
        Source outSource = dispatch.invoke(null);
        
        XMLStreamReader reader = inputFactory.createXMLStreamReader(outSource);
        Reader2Writer r2w = new Reader2Writer(reader);
        String response = r2w.getAsString();        
        assertEquals(GET_RESPONSE, response);     
        
        // this should fail again
        dispatch.getRequestContext().remove(MessageContext.HTTP_REQUEST_METHOD);
        try {
            dispatch.invoke(null);
            fail("Did not throw WebServiceException");
        } catch (WebServiceException e) {
            // that's what we expect
        }
    }
   
}