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jforum example source code file (UserCommon.java)

This example jforum source code file (UserCommon.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - jforum tags/keywords

arraylist, awt, bufferedimage, exception, file, file, image, imageio, list, list, net, network, requestcontext, safehtml, safehtml, string, string, uploadutils, usercommon, util

The jforum UserCommon.java source code

/*
 * Copyright (c) JForum Team
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, 
 * with or without modification, are permitted provided 
 * that the following conditions are met:
 * 
 * 1) Redistributions of source code must retain the above 
 * copyright notice, this list of conditions and the 
 * following  disclaimer.
 * 2)  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.
 * 3) Neither the name of "Rafael Steil" 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
 * 
 * Created on 29/11/2004 23:07:10
 * The JForum Project
 * http://www.jforum.net
 */
package net.jforum.view.forum.common;

import java.awt.Image;
import java.awt.image.BufferedImage;
import java.io.File;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;

import javax.imageio.ImageIO;

import net.jforum.JForumExecutionContext;
import net.jforum.SessionFacade;
import net.jforum.context.RequestContext;
import net.jforum.dao.DataAccessDriver;
import net.jforum.dao.UserDAO;
import net.jforum.entities.User;
import net.jforum.util.I18n;
import net.jforum.util.MD5;
import net.jforum.util.SafeHtml;
import net.jforum.util.image.ImageUtils;
import net.jforum.util.legacy.commons.fileupload.FileItem;
import net.jforum.util.preferences.ConfigKeys;
import net.jforum.util.preferences.SystemGlobals;

import org.apache.commons.lang.StringUtils;
import org.apache.log4j.Logger;

/**
 * @author Rafael Steil
 * @version $Id: UserCommon.java,v 1.30 2008/01/23 01:27:16 rafaelsteil Exp $
 */
public class UserCommon 
{
	private static final Logger logger = Logger.getLogger(UserCommon.class);

	/**
	 * Updates the user information
	 * 
	 * @param userId int The user id we are saving
     * @return List
	 */
	public static List saveUser(int userId)
	{
		List errors = new ArrayList();
		
		UserDAO um = DataAccessDriver.getInstance().newUserDAO();
		User u = um.selectById(userId);
		
		RequestContext request = JForumExecutionContext.getRequest();
		boolean isAdmin = SessionFacade.getUserSession().isAdmin();

		if (isAdmin) {
			String username = request.getParameter("username");
		
			if (username != null) {
				u.setUsername(username.trim());
			}
			
			if (request.getParameter("rank_special") != null) {
				u.setRankId(request.getIntParameter("rank_special"));
			}
		}
		
		SafeHtml safeHtml = new SafeHtml();
		
		u.setId(userId);
		u.setIcq(safeHtml.makeSafe(request.getParameter("icq")));
		u.setAim(safeHtml.makeSafe(request.getParameter("aim")));
		u.setMsnm(safeHtml.makeSafe(request.getParameter("msn")));
		u.setYim(safeHtml.makeSafe(request.getParameter("yim")));
		u.setFrom(safeHtml.makeSafe(request.getParameter("location")));
		u.setOccupation(safeHtml.makeSafe(request.getParameter("occupation")));
		u.setInterests(safeHtml.makeSafe(request.getParameter("interests")));
		u.setBiography(safeHtml.makeSafe(request.getParameter("biography")));
		u.setSignature(safeHtml.makeSafe(request.getParameter("signature")));
		u.setViewEmailEnabled(request.getParameter("viewemail").equals("1"));
		u.setViewOnlineEnabled(request.getParameter("hideonline").equals("0"));
		u.setNotifyPrivateMessagesEnabled(request.getParameter("notifypm").equals("1"));
		u.setNotifyOnMessagesEnabled(request.getParameter("notifyreply").equals("1"));
		u.setAttachSignatureEnabled(request.getParameter("attachsig").equals("1"));
		u.setHtmlEnabled(request.getParameter("allowhtml").equals("1"));
		u.setLang(request.getParameter("language"));
		u.setBbCodeEnabled("1".equals(request.getParameter("allowbbcode")));
		u.setSmiliesEnabled("1".equals(request.getParameter("allowsmilies")));
		u.setNotifyAlways("1".equals(request.getParameter("notify_always")));
		u.setNotifyText("1".equals(request.getParameter("notify_text")));
		
		String website = safeHtml.makeSafe(request.getParameter("website"));
		
		if (!StringUtils.isEmpty(website) && !website.toLowerCase().startsWith("http://")) {
			website = "http://" + website;
		}
	
		u.setWebSite(website);
		
		String currentPassword = request.getParameter("current_password");
		boolean isCurrentPasswordEmpty = currentPassword == null || "".equals(currentPassword.trim());
		
		if (isAdmin || !isCurrentPasswordEmpty) {
			if (!isCurrentPasswordEmpty) {
				currentPassword = MD5.crypt(currentPassword);
			}
			
			if (isAdmin || u.getPassword().equals(currentPassword)) {
				u.setEmail(safeHtml.makeSafe(request.getParameter("email")));
				
				String newPassword = request.getParameter("new_password");

				if (newPassword != null && newPassword.length() > 0) {
					u.setPassword(MD5.crypt(newPassword));
				}
			}
			else {
				errors.add(I18n.getMessage("User.currentPasswordInvalid"));
			}
		}
		
		if (request.getParameter("avatardel") != null) {
			File avatarFile = new File(u.getAvatar());
			
			File fileToDelete = new File(SystemGlobals.getApplicationPath() 
				+ "/images/avatar/"
				+ avatarFile.getName());
			
			if (fileToDelete.exists()) {
				fileToDelete.delete();
			}
			
			u.setAvatar(null);
		}
		
		if (request.getObjectParameter("avatar") != null) {
			try {
				UserCommon.handleAvatar(u);
			}
			catch (Exception e) {
				UserCommon.logger.warn("Problems while uploading the avatar: " + e);
				errors.add(I18n.getMessage("User.avatarUploadError"));
			}
		} else if (SystemGlobals.getBoolValue(ConfigKeys.AVATAR_ALLOW_EXTERNAL_URL)) {
			String avatarUrl = request.getParameter("avatarUrl");
			
			if (!StringUtils.isEmpty(avatarUrl)) {
				if (avatarUrl.toLowerCase().startsWith("http://")) {
					
					try {
						Image image = ImageIO.read(new URL(avatarUrl));
						
						if (image != null) {
							if (image.getWidth(null) > SystemGlobals.getIntValue(ConfigKeys.AVATAR_MAX_WIDTH)
								|| image.getHeight(null) > SystemGlobals.getIntValue(ConfigKeys.AVATAR_MAX_HEIGHT)) {
								errors.add(I18n.getMessage("User.avatarTooBig"));
							}
							else {
								u.setAvatar(avatarUrl);
							}
						}
					}
					catch (Exception e) {
						errors.add(I18n.getMessage("User.avatarUploadError"));
					}
				}
				else {
					errors.add(I18n.getMessage("User.avatarUrlShouldHaveHttp"));
				}
			}
		}
		
		if (errors.size() == 0) {
			um.update(u);
			
			if (SessionFacade.getUserSession().getUserId() == userId) {
			    SessionFacade.getUserSession().setLang(u.getLang());
			}
		}
		
		return errors;
	}

	/**
	 * @param u User
	 */
	private static void handleAvatar(User u)
	{
		String fileName = MD5.crypt(Integer.toString(u.getId()));
		FileItem item = (FileItem)JForumExecutionContext.getRequest().getObjectParameter("avatar");
		UploadUtils uploadUtils = new UploadUtils(item);
		
		// Gets file extension
		String extension = uploadUtils.getExtension().toLowerCase();
		int type = ImageUtils.IMAGE_UNKNOWN;
		
		if (extension.equals("jpg") || extension.equals("jpeg")) {
			type = ImageUtils.IMAGE_JPEG;
		}
		else if (extension.equals("gif") || extension.equals("png")) {
			type = ImageUtils.IMAGE_PNG;
		}
		
		if (type != ImageUtils.IMAGE_UNKNOWN) {
			String avatarTmpFileName = SystemGlobals.getApplicationPath() 
				+ "/images/avatar/" 
				+ fileName 
				+ "_tmp." 
				+ extension;
			
			// We cannot handle gifs
			if (extension.toLowerCase().equals("gif")) {
				extension = "png";
			}
	
			String avatarFinalFileName = SystemGlobals.getApplicationPath() 
				+ "/images/avatar/" 
				+ fileName 
				+ "." 
				+ extension;
	
			uploadUtils.saveUploadedFile(avatarTmpFileName);
			
			// OK, time to check and process the avatar size
			int maxWidth = SystemGlobals.getIntValue(ConfigKeys.AVATAR_MAX_WIDTH);
			int maxHeight = SystemGlobals.getIntValue(ConfigKeys.AVATAR_MAX_HEIGHT);
	
			BufferedImage image = ImageUtils.resizeImage(avatarTmpFileName, type, maxWidth, maxHeight);
			ImageUtils.saveImage(image, avatarFinalFileName, type);
	
			u.setAvatar(fileName + "." + extension);
			
			// Delete the temporary file
			new File(avatarTmpFileName).delete();
		}
	}
}

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