/***************************************************************************
* Copyright (C) 2003-2007 eXo Platform SAS.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License
* as published by the Free Software Foundation; either version 3
* 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 program; if not, see<http://www.gnu.org/licenses/>.
***************************************************************************/
package org.exoplatform.forum;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import org.exoplatform.container.PortalContainer;
import org.exoplatform.download.DownloadService;
import org.exoplatform.download.InputStreamDownloadResource;
import org.exoplatform.forum.service.ForumAttachment;
import org.exoplatform.forum.service.ForumService;
import org.exoplatform.forum.service.Utils;
import org.exoplatform.ks.common.user.CommonContact;
import org.exoplatform.ks.common.user.ContactProvider;
import org.exoplatform.portal.application.PortalRequestContext;
import org.exoplatform.portal.webui.util.Util;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.log.Log;
/**
* Created by The eXo Platform SAS
* Author : Vu Duy Tu
* tu.duy@exoplatform.com
*/
public class ForumSessionUtils {
static private final Log LOG = ExoLogger.getLogger(ForumSessionUtils.class);
public final static String DEFAULT_AVATAR = "/forum/skin/DefaultSkin/webui/background/Avatar1.gif";
/**
* create an avatar link for user.
* Firstly, the function tries to load avatar resource from user profile of forum.
* if the resource is not found, try to get it from {@link ContactProvider}
* else, return default url: <a>/forum/skin/DefaultSkin/webui/background/Avatar1.gif</a>.
* @param userName
* @param forumService
* @return
*/
public static String getUserAvatarURL(String userName, ForumService forumService) {
String url = null;
try {
ForumAttachment attachment = forumService.getUserAvatar(userName);
url = org.exoplatform.ks.common.Utils.getImageUrl(attachment.getPath()) + "?size=" + attachment.getSize();
} catch (Exception e) {
if (LOG.isDebugEnabled())
LOG.debug(String.format("can not load avatar of [%s] as file resource", userName), e);
}
if (url == null || url.trim().length() < 1) {
CommonContact contact = getPersonalContact(userName);
if (contact != null && contact.getAvatarUrl() != null && contact.getAvatarUrl().trim().length() > 0) {
url = contact.getAvatarUrl();
}
url = (url == null || url.trim().length() < 1) ? DEFAULT_AVATAR : url;
}
return url;
}
public static String getFileSource(InputStream input, String fileName, DownloadService dservice) throws Exception {
byte[] imageBytes = null;
if (input != null) {
imageBytes = new byte[input.available()];
input.read(imageBytes);
ByteArrayInputStream byteImage = new ByteArrayInputStream(imageBytes);
InputStreamDownloadResource dresource = new InputStreamDownloadResource(byteImage, "image");
dresource.setDownloadName(fileName);
return dservice.getDownloadLink(dservice.addDownloadResource(dresource));
}
return null;
}
public static CommonContact getPersonalContact(String userId) {
try {
if (userId.indexOf(Utils.DELETED) > 0)
return new CommonContact();
ContactProvider provider = (ContactProvider) PortalContainer.getComponent(ContactProvider.class);
return provider.getCommonContact(userId);
} catch (Exception e) {
return new CommonContact();
}
}
public static String getBreadcumbUrl(String link, String componentName, String actionName, String objectId) throws Exception {
PortalRequestContext portalContext = Util.getPortalRequestContext();
String url = portalContext.getRequest().getRequestURL().toString();
url = url.substring(0, url.indexOf(ForumUtils.SLASH, 8));
link = link.replaceFirst(componentName, "UIBreadcumbs").replaceFirst(actionName, "ChangePath").replace("pathId", objectId).replaceAll("&", "&");
return (url + link);
}
}