/*
* JBoss, Home of Professional Open Source
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags.
* See the copyright.txt in the distribution for a full listing
* of individual contributors.
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU General Public License, v. 2.0.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU General Public License for more details.
* You should have received a copy of the GNU General Public License,
* v. 2.0 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*
* (C) 2005-2006,
* @author JBoss Inc.
*/
package com.arjuna.webservices.transport.http;
import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.io.Reader;
import java.io.StringReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.text.MessageFormat;
import javax.xml.stream.XMLStreamException;
import com.arjuna.webservices.MessageContext;
import com.arjuna.webservices.SoapFault;
import com.arjuna.webservices.SoapFaultType;
import com.arjuna.webservices.SoapMessage;
import com.arjuna.webservices.SoapMessageLogging;
import com.arjuna.webservices.SoapService;
import com.arjuna.webservices.logging.WSCLogger;
import com.arjuna.webservices.soap.SoapDetails;
import com.arjuna.webservices.transport.TransportSoapClient;
/**
* The HTTP client implementation.
* @author kevin
*
*/
public class HttpClient extends TransportSoapClient
{
/**
* The headers to set on each request.
*/
private static final String[][] HTTP_HEADERS = {
{"User-Agent", "Arjuna/2.0"},
} ;
/**
* Invoke a request on a service.
* @param request The request object.
* @param url The destination URL.
* @return The response object.
* @throws SoapFault For errors processing the request.
* @throws IOException for processing errors.
*
* @message com.arjuna.webservices.transport.http.HttpClient_1 [com.arjuna.webservices.transport.http.HttpClient_1] - No response from RPC request
*/
public SoapMessage invoke(final SoapMessage request, final String url)
throws SoapFault, IOException
{
final SoapMessage response = invokeRequest(request, url) ;
if (response == null)
{
throw new SoapFault(SoapFaultType.FAULT_SENDER, WSCLogger.log_mesg.getString("com.arjuna.webservices.transport.http.HttpClient_1")) ;
}
return response ;
}
/**
* Invoke a one way request on a service.
* @param request The request object.
* @param url The destination URL.
* @throws SoapFault For errors processing the request.
* @throws IOException for processing errors.
*/
public void invokeOneWay(final SoapMessage request, final String url)
throws SoapFault, IOException
{
invokeRequest(request, url) ;
}
/**
* Invoke the request.
* @param request The request object.
* @param url The destination URL.
* @return The response object.
* @throws SoapFault For errors processing the request.
*
* @message com.arjuna.webservices.transport.http.HttpClient_2 [com.arjuna.webservices.transport.http.HttpClient_2] - Invalid destination URL
* @message com.arjuna.webservices.transport.http.HttpClient_3 [com.arjuna.webservices.transport.http.HttpClient_3] - Unsupported URL type, not HTTP or HTTPS
* @message com.arjuna.webservices.transport.http.HttpClient_4 [com.arjuna.webservices.transport.http.HttpClient_4] - Invalid response code returned: {0}
*/
private SoapMessage invokeRequest(final SoapMessage request, final String url)
throws SoapFault, IOException
{
final URL serviceURL ;
try
{
serviceURL = new URL(url) ;
}
catch (final MalformedURLException murle)
{
throw new SoapFault(SoapFaultType.FAULT_SENDER, WSCLogger.log_mesg.getString("com.arjuna.webservices.transport.http.HttpClient_2")) ;
}
final boolean threadLogEnabled = SoapMessageLogging.isThreadLogEnabled() ;
final String requestContents ;
if (threadLogEnabled)
{
requestContents = serialiseRequest(request) ;
SoapMessageLogging.appendThreadLog(requestContents) ;
}
else
{
requestContents = null ;
}
final HttpURLConnection httpURLConnection ;
try
{
httpURLConnection = (HttpURLConnection)serviceURL.openConnection() ;
}
catch (final ClassCastException cce)
{
throw new SoapFault(SoapFaultType.FAULT_SENDER, WSCLogger.log_mesg.getString("com.arjuna.webservices.transport.http.HttpClient_3")) ;
}
httpURLConnection.setDoOutput(true) ;
httpURLConnection.setUseCaches(false) ;
final int numHeaders = HTTP_HEADERS.length ;
for(int count = 0 ; count < numHeaders ; count++)
{
final String[] header = HTTP_HEADERS[count] ;
httpURLConnection.setRequestProperty(header[0], header[1]) ;
}
final SoapDetails soapDetails = request.getSoapDetails() ;
final String contentType = HttpUtils.getContentType(soapDetails) ;
httpURLConnection.setRequestProperty(HttpUtils.HTTP_CONTENT_TYPE_HEADER, contentType + HttpUtils.HTTP_DEFAULT_CHARSET_PARAMETER) ;
httpURLConnection.setRequestProperty(HttpUtils.HTTP_ACCEPT_HEADER, contentType) ;
final String requestAction = request.getAction() ;
final String actionValue = (requestAction == null ? "" : requestAction) ;
// KEV - fix action handling for different SOAP versions
httpURLConnection.setRequestProperty(HttpUtils.SOAP_ACTION_HEADER, '"' + actionValue + '"') ;
if (requestContents != null)
{
httpURLConnection.setRequestProperty(HttpUtils.HTTP_CONTENT_LENGTH_HEADER,
Integer.toString(requestContents.length())) ;
}
final int port = serviceURL.getPort() ;
final String host = (port > 0 ? serviceURL.getHost() + ":" + port : serviceURL.getHost()) ;
httpURLConnection.setRequestProperty(HttpUtils.HTTP_HOST_HEADER, host) ;
httpURLConnection.setRequestMethod("POST") ;
httpURLConnection.connect() ;
final OutputStream os = httpURLConnection.getOutputStream() ;
try
{
final PrintWriter writer = new PrintWriter(os) ;
if (requestContents != null)
{
writer.print(requestContents) ;
}
else
{
request.output(writer) ;
}
writer.flush() ;
}
finally
{
os.close() ;
}
final int responseCode = httpURLConnection.getResponseCode() ;
if ((responseCode != HttpURLConnection.HTTP_OK) &&
(responseCode != HttpURLConnection.HTTP_ACCEPTED) &&
(responseCode != HttpURLConnection.HTTP_INTERNAL_ERROR))
{
final String pattern = WSCLogger.log_mesg.getString("com.arjuna.webservices.transport.http.HttpClient_4") ;
final String message = MessageFormat.format(pattern, new Object[] {new Integer(responseCode)}) ;
throw new SoapFault(SoapFaultType.FAULT_SENDER, message) ;
}
final String fullResponseContentType = httpURLConnection.getContentType() ;
// final String responseContentType = HttpUtils.getContentType(fullResponseContentType) ;
// Ignore responses that aren't the same version of SOAP
// if ((contentType != null) && !contentType.equals(responseContentType))
// {
// if (threadLogEnabled)
// {
// SoapMessageLogging.appendThreadLog(null) ;
// }
// return null ;
// }
final int contentLength = httpURLConnection.getContentLength() ;
if (contentLength == 0)
{
if (threadLogEnabled)
{
SoapMessageLogging.appendThreadLog(null) ;
}
return null ;
}
final SoapService soapService = request.getSoapService() ;
final String encoding = HttpUtils.getContentTypeEncoding(fullResponseContentType) ;
final InputStream is ;
if (responseCode == HttpURLConnection.HTTP_INTERNAL_ERROR)
{
is = httpURLConnection.getErrorStream() ;
}
else
{
is = httpURLConnection.getInputStream() ;
}
try
{
final BufferedInputStream bis = new BufferedInputStream(is) ;
final InputStreamReader isr = (encoding == null ? new InputStreamReader(bis) : new InputStreamReader(bis, encoding)) ;
final Reader reader ;
if (threadLogEnabled || (contentLength <= 0))
{
final String responseContents = HttpUtils.readAll(isr) ;
if (responseContents.length() == 0)
{
if (threadLogEnabled)
{
SoapMessageLogging.appendThreadLog(null) ;
}
return null ;
}
if (threadLogEnabled)
{
SoapMessageLogging.appendThreadLog(responseContents) ;
}
reader = new StringReader(responseContents) ;
}
else
{
reader = isr ;
}
// KEV - fix action handling for different SOAP versions
final String action = httpURLConnection.getHeaderField(HttpUtils.SOAP_ACTION_HEADER) ;
final MessageContext responseMessageContext = new MessageContext() ;
final MessageContext dummyMessageContext = new MessageContext() ;
try
{
return parseResponse(soapService, responseMessageContext, dummyMessageContext, action, reader, soapDetails) ;
}
catch (final XMLStreamException xmlse)
{
throw new IOException(xmlse.toString()) ;
}
}
finally
{
is.close() ;
}
}
}