/*
* Adito
*
* Copyright (C) 2003-2006 3SP LTD. All Rights Reserved
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY 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 along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
package com.adito.extensions.actions;
import java.io.IOException;
import java.util.Enumeration;
import java.util.Properties;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.jdom.JDOMException;
import com.adito.core.CoreException;
import com.adito.core.actions.XMLOutputAction;
import com.adito.extensions.ExtensionDescriptor;
import com.adito.extensions.ExtensionException;
import com.adito.extensions.ExtensionParser;
import com.adito.extensions.store.ExtensionStore;
import com.adito.security.Constants;
import com.adito.security.LogonControllerFactory;
import com.adito.security.SessionInfo;
/**
* Retrieve an application extensions descriptor.
*/
public class GetExtensionDescriptorAction extends XMLOutputAction {
final static Log log = LogFactory.getLog(GetExtensionDescriptorAction.class);
/*
* (non-Javadoc)
*
* @see org.apache.struts.action.Action#execute(org.apache.struts.action.ActionMapping,
* org.apache.struts.action.ActionForm,
* javax.servlet.http.HttpServletRequest,
* javax.servlet.http.HttpServletResponse)
*/
public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response)
throws Exception {
request.setAttribute(Constants.REQ_ATTR_COMPRESS, Boolean.FALSE);
String ticket = request.getParameter("ticket");
String id = request.getParameter("id");
if(id == null) {
throw new Exception("No id");
}
ExtensionDescriptor app = ExtensionStore.getInstance().getExtensionDescriptor(id);
if(app == null) {
throw new Exception("No extension with id of " + id);
}
Properties properties = new Properties();
for (Enumeration e = request.getParameterNames(); e.hasMoreElements();) {
String name = (String) e.nextElement();
String val = request.getParameter(name);
if (name.equals("ticket") || name.equals("id") || name.equals("name")) {
continue;
} else {
properties.put(name, val);
}
}
processApplicationRequest(app, ticket, request, response, properties);
return null;
}
protected void processApplicationRequest(ExtensionDescriptor app, String ticket, HttpServletRequest request,
HttpServletResponse response, Properties properties)
throws JDOMException, Exception {
try {
SessionInfo session = LogonControllerFactory.getInstance().getSessionInfo(request);
if(session == null) {
throw new ExtensionException(ExtensionException.INTERNAL_ERROR, "No session.");
}
sendApplicationDescriptor(app, request, response, session, properties);
} catch (CoreException coreException) {
String message = coreException.getLocalizedMessage(request.getSession());
log.error(message, coreException);
sendError(message, response);
} catch (Throwable t) {
log.error("Failed to process request for application.", t);
sendError(t.getLocalizedMessage() == null ? "<null>" : t.getLocalizedMessage(), response);
}
}
private void sendApplicationDescriptor(ExtensionDescriptor app, HttpServletRequest request, HttpServletResponse response,
SessionInfo session, Properties properties)
throws JDOMException, IOException, UndefinedParameterException, CoreException {
response.setHeader("Content-type", "text/xml");
byte[] xml = ExtensionParser.processAgentParameters(app, request, session, properties).getBytes();
// response.setContentLength(xml.length);
response.getOutputStream().write(xml);
response.getOutputStream().close();
}
}