manageblogentryaction.java

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/*
 * Copyright (c) 2003-2006, Simon Brown
 * 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 Pebble 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 net.sourceforge.pebble.web.action;

import net.sourceforge.pebble.Constants;
import net.sourceforge.pebble.domain.*;
import net.sourceforge.pebble.web.view.ForwardView;
import net.sourceforge.pebble.web.view.RedirectView;
import net.sourceforge.pebble.web.view.View;
import net.sourceforge.pebble.web.view.NotFoundView;
import net.sourceforge.pebble.web.view.impl.PublishBlogEntryView;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Allows the user to manage (edit, remove, etc) a blog entry.
 *
 * @author    Simon Brown
 */
public class ManageBlogEntryAction extends SecureAction {

  /** the log used by this class */
  private static final Log log = LogFactory.getLog(ManageBlogEntryAction.class);

  /**
   * Peforms the processing associated with this action.
   *
   * @param request  the HttpServletRequest instance
   * @param response the HttpServletResponse instance
   * @return the name of the next view
   */
  public View process(HttpServletRequest request, HttpServletResponse response) throws ServletException {
    Blog blog = (Blog)getModel().get(Constants.BLOG_KEY);
    String id = request.getParameter("entry");
    String confirm = request.getParameter("confirm");
    String submit = request.getParameter("submit");

    BlogService service = new BlogService();
    BlogEntry blogEntry = null;
    try {
      blogEntry = service.getBlogEntry(blog, id);
    } catch (BlogServiceException e) {
      throw new ServletException(e);
    }

    if (blogEntry == null) {
      return new NotFoundView();
    }

    if (submit.equals("Edit")) {
      return new ForwardView("/editBlogEntry.secureaction?entry=" + id);
    } else if (submit.equals("Publish") || submit.equals("Unpublish")) {
      getModel().put(Constants.BLOG_ENTRY_KEY, blogEntry);
      return new PublishBlogEntryView();
    } else if (submit.equals("Clone")) {
      return new ForwardView("/addBlogEntry.secureaction?entryToClone=" + blogEntry.getId());
    } else if (confirm != null && confirm.equals("true")) {
      if (submit.equalsIgnoreCase("Remove")) {
        try {
          service.removeBlogEntry(blogEntry);
        } catch (BlogServiceException be) {
          throw new ServletException(be);
        }

        return new ForwardView("/viewHomePage.action");
      }
    }

    return new RedirectView(blogEntry.getLocalPermalink());
  }

  /**
   * Gets a list of all roles that are allowed to access this action.
   *
   * @return  an array of Strings representing role names
   * @param request
   */
  public String[] getRoles(HttpServletRequest request) {
    String submit = request.getParameter("submit");

    if (submit != null) {
      if (submit.equalsIgnoreCase("Publish")) {
        return new String[]{Constants.BLOG_PUBLISHER_ROLE};
      } else if (submit.equalsIgnoreCase("Unpublish")) {
        return new String[]{Constants.BLOG_PUBLISHER_ROLE};
      } else if (submit.equalsIgnoreCase("Remove")) {
        return new String[]{Constants.BLOG_CONTRIBUTOR_ROLE};
      } else if (submit.equalsIgnoreCase("Edit")) {
        return new String[]{Constants.BLOG_CONTRIBUTOR_ROLE};
      }
    }

    // default back to blog owner role
    return new String[]{Constants.BLOG_OWNER_ROLE};
  }

}