/**
* The contents of this file are subject to the license and copyright
* detailed in the LICENSE and NOTICE files at the root of the source
* tree and available online at
*
* http://www.dspace.org/license/
*/
package org.dspace.app.webui.servlet.admin;
import java.io.IOException;
import java.sql.SQLException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.log4j.Logger;
import org.dspace.authorize.AuthorizeException;
import org.dspace.browse.BrowseException;
import org.dspace.browse.BrowseIndex;
import org.dspace.browse.BrowserScope;
import org.dspace.core.Context;
import org.dspace.app.webui.servlet.AbstractBrowserServlet;
import org.dspace.app.webui.util.JSPManager;
/**
* Servlet for browsing through withdrawn items:
*
* @author Graham Triggs
* @version $Revision$
*/
public class WithdrawnBrowserServlet extends AbstractBrowserServlet
{
/** log4j category */
private static Logger log = Logger.getLogger(WithdrawnBrowserServlet.class);
/**
* Do the usual DSpace GET method. You will notice that browse does not currently
* respond to POST requests.
*/
protected void doDSGet(Context context, HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException, SQLException,
AuthorizeException
{
try
{
// all browse requests currently come to GET.
BrowserScope scope = getBrowserScopeForRequest(context, request, response);
// Check that we are doing an item browse
if (scope.getBrowseIndex() == null || scope.getBrowseIndex().isItemIndex())
{
// And override the index in the scope with the withdrawn items
scope.setBrowseIndex(BrowseIndex.getWithdrawnBrowseIndex());
}
else
{
showError(context, request, response);
}
// execute browse request
processBrowse(context, scope, request, response);
}
catch (BrowseException be)
{
log.error("caught exception: ", be);
throw new ServletException(be);
}
}
/**
* Display the error page
*
* @param context
* @param request
* @param response
* @throws ServletException
* @throws IOException
* @throws SQLException
* @throws AuthorizeException
*/
protected void showError(Context context, HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException, SQLException,
AuthorizeException
{
request.setAttribute("useAdminLayout", "yes");
JSPManager.showInternalError(request, response);
}
/**
* Display the No Results page
*
* @param context
* @param request
* @param response
* @throws ServletException
* @throws IOException
* @throws SQLException
* @throws AuthorizeException
*/
protected void showNoResultsPage(Context context, HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException, SQLException,
AuthorizeException
{
request.setAttribute("browseWithdrawn", "yes");
JSPManager.showJSP(request, response, "/browse/no-results.jsp");
}
/**
* Display the single page. This is the page which lists just the single values of a
* metadata browse, not individual items. Single values are links through to all the items
* that match that metadata value
*
* @param context
* @param request
* @param response
* @throws ServletException
* @throws IOException
* @throws SQLException
* @throws AuthorizeException
*/
protected void showSinglePage(Context context, HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException, SQLException,
AuthorizeException
{
// Show an error as this currently isn't supported
showError(context, request, response);
}
/**
* Display a full item listing.
*
* @param context
* @param request
* @param response
* @throws ServletException
* @throws IOException
* @throws SQLException
* @throws AuthorizeException
*/
protected void showFullPage(Context context, HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException, SQLException,
AuthorizeException
{
request.setAttribute("browseWithdrawn", "yes");
JSPManager.showJSP(request, response, "/browse/full.jsp");
}
}