com.duroty.application.bookmark.actions.BookmarkExtractorAction.java Source code

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Here is the source code for com.duroty.application.bookmark.actions.BookmarkExtractorAction.java

Source

/*
* Copyright (C) 2006 Jordi Marqus Ferr
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; see the file DUROTY.txt.
*
* Author: Jordi Marqus Ferr
* c/Mallorca 295 principal B 08037 Barcelona Spain
* Phone: +34 625397324
*/

/**
 *
 */
package com.duroty.application.bookmark.actions;

import com.duroty.application.bookmark.interfaces.Bookmark;
import com.duroty.application.bookmark.utils.BookmarkDefaultAction;

import com.duroty.constants.Constants;
import com.duroty.constants.ExceptionCode;

import com.duroty.utils.exceptions.ExceptionUtilities;
import com.duroty.utils.http.Extractor;
import com.duroty.utils.log.DLog;
import com.duroty.utils.log.DMessage;

import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileUpload;
import org.apache.commons.io.IOUtils;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;

import java.util.Iterator;
import java.util.List;
import java.util.Vector;

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

/**
 * @author durot
 *
 */
public class BookmarkExtractorAction extends BookmarkDefaultAction {
    /**
     *
     */
    public BookmarkExtractorAction() {
        super();

        // TODO Auto-generated constructor stub
    }

    /* (non-Javadoc)
     * @see com.duroty.controller.actions.DefaultAction#doExecute(org.apache.struts.action.ActionMapping, org.apache.struts.action.ActionForm, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
     */
    protected ActionForward doExecute(ActionMapping mapping, ActionForm form, HttpServletRequest request,
            HttpServletResponse response) throws Exception {
        ActionMessages errors = new ActionMessages();

        try {
            boolean isMultipart = FileUpload.isMultipartContent(request);

            if (isMultipart) {
                Vector links = null;

                //Parse the request
                List items = diskFileUpload.parseRequest(request);

                //Process the uploaded items
                Iterator iter = items.iterator();

                while (iter.hasNext()) {
                    FileItem item = (FileItem) iter.next();

                    if (!item.isFormField()) {
                        String contents = IOUtils.toString(item.getInputStream());

                        links = Extractor.getLinks(contents, null);
                    }
                }

                if ((links != null) && (links.size() > 0)) {
                    Bookmark bookmarkInstance = getBookmarkInstance(request);

                    bookmarkInstance.addBookmarks(links);
                }
            } else {
                errors.add("general",
                        new ActionMessage(ExceptionCode.ERROR_MESSAGES_PREFIX + "general", "The form is null"));
                request.setAttribute("exception", "The form is null");
                doTrace(request, DLog.ERROR, getClass(), "The form is null");
                ;
            }
        } catch (Exception ex) {
            String errorMessage = ExceptionUtilities.parseMessage(ex);

            if (errorMessage == null) {
                errorMessage = "NullPointerException";
            }

            errors.add("general", new ActionMessage(ExceptionCode.ERROR_MESSAGES_PREFIX + "general", errorMessage));
            request.setAttribute("exception", errorMessage);
            doTrace(request, DLog.ERROR, getClass(), errorMessage);
        }

        if (errors.isEmpty()) {
            doTrace(request, DLog.INFO, getClass(), "OK");

            return mapping.findForward(Constants.ACTION_SUCCESS_FORWARD);
        } else {
            saveErrors(request, errors);

            return mapping.findForward(Constants.ACTION_FAIL_FORWARD);
        }
    }

    /* (non-Javadoc)
     * @see com.duroty.controller.actions.DefaultAction#doTrace(javax.servlet.http.HttpServletRequest, int, java.lang.Class, java.lang.String)
     */
    protected void doTrace(HttpServletRequest request, int level, Class classe, String message) throws Exception {
        DLog.log(level, classe, DMessage.toString(request, message));
    }
}