/*****************************************************************************
* Copyright (C) The Apache Software Foundation. All rights reserved. *
* ------------------------------------------------------------------------- *
* This software is published under the terms of the Apache Software License *
* version 1.1, a copy of which has been included with this distribution in *
* the LICENSE file. *
*****************************************************************************/
package org.apache.cocoon.components.language.markup.xsp;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.HashMap;
import org.apache.avalon.framework.component.ComponentException;
import org.apache.avalon.framework.component.ComponentManager;
import org.apache.cocoon.ProcessingException;
import org.apache.cocoon.components.xscript.XScriptManager;
import org.apache.cocoon.components.xscript.XScriptObject;
import org.apache.cocoon.components.xscript.XScriptObjectInlineXML;
import org.apache.commons.httpclient.Header;
import org.apache.commons.httpclient.HttpConnection;
import org.apache.commons.httpclient.HttpState;
import org.apache.commons.httpclient.methods.PostMethod;
import org.xml.sax.InputSource;
/**
* Helper for the SOAP logicsheet.
*
* @author <a href="mailto:ovidiu@cup.hp.com">Ovidiu Predescu</a>
* @since July 16, 2001
*/
public class SOAPHelper
{
XScriptManager xscriptManager;
URL url;
String action = "";
XScriptObject xscriptObject;
public SOAPHelper(ComponentManager manager, String urlContext, String url,
String action, XScriptObject xscriptObject)
throws MalformedURLException, ComponentException
{
this.xscriptManager = (XScriptManager)manager.lookup(XScriptManager.ROLE);
URL context = new URL(urlContext);
this.url = new URL(context, url);
this.action = action;
this.xscriptObject = xscriptObject;
}
public XScriptObject invoke()
throws ProcessingException
{
HttpConnection conn = null;
try {
if (action == null || action.equals(""))
action = "\"\"";
String host = url.getHost();
int port = url.getPort();
if (System.getProperty("http.proxyHost") != null) {
String proxyHost = System.getProperty("http.proxyHost");
int proxyPort = Integer.parseInt(System.getProperty("http.proxyPort"));
conn = new HttpConnection(proxyHost, proxyPort, host, port);
}
else
conn = new HttpConnection(host, port);
PostMethod method = new PostMethod(url.getFile()) {
protected String generateRequestBody(HashMap params)
{
try {
StringBuffer bodyBuffer
= new StringBuffer(super.generateRequestBody(params));
// Write the SOAP request
InputSource saxInputStream = xscriptObject.getInputSource();
InputStream is = saxInputStream.getByteStream();
InputStreamReader isr = new InputStreamReader(is);
char[] buffer = new char[1024];
int len;
while ((len = isr.read(buffer)) > 0)
bodyBuffer.append(buffer, 0, len);
isr.close();
is.close();
return bodyBuffer.toString();
}
catch (Exception ex) {
return null;
}
}
};
method.setRequestHeader(
new Header("Content-type", "text/xml; charset=\"utf-8\""));
method.setRequestHeader(new Header("SOAPAction", action));
method.setUseDisk(false);
method.execute(new HttpState(), conn);
return new XScriptObjectInlineXML(xscriptManager,
method.getResponseBodyAsString());
}
catch (Exception ex) {
throw new ProcessingException("Error invoking remote service: " + ex,
ex);
}
finally {
try {
if (conn != null)
conn.close();
}
catch (Exception ex) {
}
}
}
}