WorkspaceServlet.java from DSpace at Krugle
Show WorkspaceServlet.java syntax highlighted
/*
* WorkspaceServlet.java
*
* Version: $Revision: 1520 $
*
* Date: $Date: 2006-05-26 07:14:03 -0700 (Fri, 26 May 2006) $
*
* Copyright (c) 2002-2005, Hewlett-Packard Company and Massachusetts
* Institute of Technology. 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 Hewlett-Packard Company nor the name of the
* Massachusetts Institute of Technology nor the names of their
* 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
* HOLDERS 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.dspace.app.webui.servlet;
import java.io.IOException;
import java.sql.SQLException;
import java.util.Date;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.log4j.Logger;
import org.dspace.app.webui.util.JSPManager;
import org.dspace.app.webui.util.UIUtil;
import org.dspace.authorize.AuthorizeException;
import org.dspace.authorize.AuthorizeManager;
import org.dspace.content.Item;
import org.dspace.content.WorkspaceItem;
import org.dspace.core.Constants;
import org.dspace.core.Context;
import org.dspace.core.LogManager;
import org.dspace.storage.rdbms.TableRow;
/**
* Servlet for handling the workspace item
*
* @author Richard Jones
* @version $Revision: 1520 $
*/
public class WorkspaceServlet extends DSpaceServlet
{
/** log4j category */
private static Logger log = Logger.getLogger(WorkspaceServlet.class);
protected void doDSGet(Context c,
HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException, SQLException, AuthorizeException
{
// just pass all requests to the same place.
doDSPost(c, request, response);
}
protected void doDSPost(Context c,
HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException, SQLException, AuthorizeException
{
String button = UIUtil.getSubmitButton(request, "submit_error");
// direct the request to the relevant set of methods
if (button.equals("submit_open"))
{
showMainPage(c, request, response);
}
else if (button.equals("submit_cancel"))
{
goToMyDSpace(c, request, response);
}
else if (button.equals("submit_error"))
{
showErrorPage(c, request, response);
}
}
/**
* Show error page if nothing has been <code>POST</code>ed to servlet
*
* @param context the context of the request
* @param request the servlet request
* @param response the servlet response
*/
private void showErrorPage(Context context,
HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException, SQLException, AuthorizeException
{
int wsItemID = UIUtil.getIntParameter(request, "workspace_id");
log.error(LogManager.getHeader(context,
"Workspace Item View Failed",
"workspace_item_id="+wsItemID));
JSPManager.showJSP(request, response, "/workspace/ws-error.jsp");
}
/**
* Return the user to the mydspace servlet
*
* @param context the context of the request
* @param request the servlet request
* @param response the servlet response
*/
private void goToMyDSpace(Context context,
HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException, SQLException, AuthorizeException
{
response.sendRedirect(response.encodeRedirectURL(
request.getContextPath() + "/mydspace"));
}
/**
* show the workspace item home page
*
* @param context the context of the request
* @param request the servlet request
* @param response the servlet response
*/
private void showMainPage(Context context,
HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException, SQLException, AuthorizeException
{
// get the values out of the request
int wsItemID = UIUtil.getIntParameter(request, "workspace_id");
// get the workspace item
WorkspaceItem wsItem = WorkspaceItem.find(context, wsItemID);
// Ensure the user has authorisation
Item item = wsItem.getItem();
AuthorizeManager.authorizeAction(context, item, Constants.READ);
log.info(LogManager.getHeader(context,
"View Workspace Item",
"workspace_item_id="+wsItemID));
// set the attributes for the JSP
request.setAttribute("wsItem", wsItem);
JSPManager.showJSP(request, response, "/workspace/ws-main.jsp");
}
}
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