/**
* Copyright (c) 2009, Aberystwyth University
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* - Neither the name of the Centre for Advanced Software and
* Intelligent Systems (CASIS) nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
package org.purl.sword.server;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.log4j.Logger;
import org.purl.sword.base.AtomDocumentRequest;
import org.purl.sword.base.AtomDocumentResponse;
import org.purl.sword.base.SWORDAuthenticationException;
import org.purl.sword.base.SWORDErrorException;
import org.purl.sword.base.SWORDException;
/**
* EntryDocumentServlet
*
* @author Glen Robson
* @author Stuart Lewis
*/
public class AtomDocumentServlet extends DepositServlet {
/** Logger */
private static Logger log = Logger.getLogger(AtomDocumentServlet.class);
/**
* Initialise the servlet.
*
* @throws ServletException
*/
public void init() throws ServletException {
super.init();
}
/**
* Process the get request.
*/
protected void doGet(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
try {
// Create the atom document request object
AtomDocumentRequest adr = new AtomDocumentRequest();
// Are there any authentication details?
String usernamePassword = getUsernamePassword(request);
if ((usernamePassword != null) && (!usernamePassword.equals(""))) {
int p = usernamePassword.indexOf(":");
if (p != -1) {
adr.setUsername(usernamePassword.substring(0, p));
adr.setPassword(usernamePassword.substring(p + 1));
}
} else if (authenticateWithBasic()) {
String s = "Basic realm=\"SWORD\"";
response.setHeader("WWW-Authenticate", s);
response.setStatus(401);
return;
}
// Set the IP address
adr.setIPAddress(request.getRemoteAddr());
// Set the deposit location
adr.setLocation(getUrl(request));
// Generate the response
AtomDocumentResponse dr = myRepository.doAtomDocument(adr);
// Print out the Deposit Response
response.setStatus(dr.getHttpResponse());
response.setContentType("application/atom+xml; charset=UTF-8");
PrintWriter out = response.getWriter();
out.write(dr.marshall());
out.flush();
} catch (SWORDAuthenticationException sae) {
// Ask for credentials again
String s = "Basic realm=\"SWORD\"";
response.setHeader("WWW-Authenticate", s);
response.setStatus(401);
} catch (SWORDException se) {
response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
} catch (SWORDErrorException see) {
// Get the details and send the right SWORD error document
super.makeErrorDocument(see.getErrorURI(),
see.getStatus(),
see.getDescription(),
request,
response);
}
}
}