/*
* Copyright (c) 2003-2011, 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 javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import net.sourceforge.pebble.Constants;
import net.sourceforge.pebble.api.confirmation.CommentConfirmationStrategy;
import net.sourceforge.pebble.api.decorator.ContentDecoratorContext;
import net.sourceforge.pebble.domain.Blog;
import net.sourceforge.pebble.domain.BlogEntry;
import net.sourceforge.pebble.domain.BlogService;
import net.sourceforge.pebble.domain.BlogServiceException;
import net.sourceforge.pebble.domain.Comment;
import net.sourceforge.pebble.util.I18n;
import net.sourceforge.pebble.web.security.RequireSecurityToken;
import net.sourceforge.pebble.web.validation.ValidationContext;
import net.sourceforge.pebble.web.view.NotFoundView;
import net.sourceforge.pebble.web.view.View;
import net.sourceforge.pebble.web.view.impl.CommentConfirmationView;
import net.sourceforge.pebble.web.view.impl.CommentFormView;
import net.sourceforge.pebble.web.view.impl.ConfirmCommentView;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Adds a comment to an existing blog entry.
*
* @author Simon Brown
*/
@RequireSecurityToken
public class SaveCommentAction extends AbstractCommentAction {
/** the log used by this class */
private static Log log = LogFactory.getLog(SaveCommentAction.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);
BlogEntry blogEntry;
Comment comment;
String entry = request.getParameter("entry");
String rememberMe = request.getParameter("rememberMe");
String submitType = request.getParameter("submit");
BlogService service = new BlogService();
try {
blogEntry = service.getBlogEntry(blog, entry);
} catch (BlogServiceException e) {
throw new ServletException(e);
}
if (blogEntry == null) {
// just send back a 404 - this is probably somebody looking for a way
// to send comment spam ;-)
log.info("ignoring saveComment with no related blog entry (spam) from " + request.getRemoteAddr());
return new NotFoundView();
} else if (!blogEntry.isCommentsEnabled()) {
return new CommentConfirmationView();
}
comment = createComment(request, blogEntry);
ValidationContext context = validateComment(comment);
// are we previewing or adding the comment?
String previewButton = I18n.getMessage(blog, "comment.previewButton");
ContentDecoratorContext decoratorContext = new ContentDecoratorContext();
decoratorContext.setView(ContentDecoratorContext.DETAIL_VIEW);
decoratorContext.setMedia(ContentDecoratorContext.HTML_PAGE);
Comment decoratedComment = (Comment)comment.clone();
blog.getContentDecoratorChain().decorate(decoratorContext, decoratedComment);
getModel().put("decoratedComment", decoratedComment);
getModel().put("undecoratedComment", comment);
getModel().put("rememberMe", rememberMe);
getModel().put(Constants.BLOG_ENTRY_KEY, blogEntry);
getModel().put(Constants.COMMENT_KEY, comment);
request.getSession().setAttribute("rememberMe", request.getParameter("rememberMe"));
if (submitType == null || submitType.equalsIgnoreCase(previewButton) || context.hasErrors()) {
return new CommentFormView();
} else {
CommentConfirmationStrategy strategy = blog.getCommentConfirmationStrategy();
Comment clonedComment = (Comment)comment.clone();
request.getSession().setAttribute(Constants.COMMENT_KEY, comment);
if (strategy.confirmationRequired(clonedComment)) {
strategy.setupConfirmation(request);
return new ConfirmCommentView();
} else {
try {
saveComment(request, response, blogEntry, comment);
request.getSession().removeAttribute(Constants.COMMENT_KEY);
return new CommentConfirmationView();
} catch (BlogServiceException be) {
log.error(be.getMessage(), be);
throw new ServletException(be);
}
}
}
}
}