/**
* OLAT - Online Learning and Training<br>
* http://www.olat.org
* <p>
* Licensed under the Apache License, Version 2.0 (the "License"); <br>
* you may not use this file except in compliance with the License.<br>
* You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing,<br>
* software distributed under the License is distributed on an "AS IS" BASIS, <br>
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br>
* See the License for the specific language governing permissions and <br>
* limitations under the License.
* <p>
* Copyright (c) since 2004 at Multimedia- & E-Learning Services (MELS),<br>
* University of Zurich, Switzerland.
* <p>
*/
package org.olat.user;
import java.io.File;
import org.olat.admin.user.delete.service.UserDeletionManager;
import org.olat.core.commons.modules.bc.FolderConfig;
import org.olat.core.gui.media.FileMediaResource;
import org.olat.core.gui.media.MediaResource;
import org.olat.core.id.Identity;
import org.olat.core.logging.Tracing;
import org.olat.core.util.FileUtils;
/**
* Description: <br>
* TODO: alex Class Description
* <P>
*
* Initial Date: Sept 08, 2005 <br>
* @author Alexander Schneider
*/
public class DisplayPortraitManager implements UserDataDeletable {
private static DisplayPortraitManager singleton = new DisplayPortraitManager();
public static final String PORTRAIT_BIG_FILENAME = "portrait_big.jpg";
public static final String PORTRAIT_SMALL_FILENAME = "portrait_small.jpg";
// The following class names refer to CSS class names in olat.css
public static final String DUMMY_BIG_CSS_CLASS = "o_portrait_dummy";
public static final String DUMMY_SMALL_CSS_CLASS = "o_portrait_dummy_small";
public static final String DUMMY_FEMALE_BIG_CSS_CLASS = "o_portrait_dummy_female_big";
public static final String DUMMY_FEMALE_SMALL_CSS_CLASS = "o_portrait_dummy_female_small";
public static final String DUMMY_MALE_BIG_CSS_CLASS = "o_portrait_dummy_male_big";
public static final String DUMMY_MALE_SMALL_CSS_CLASS = "o_portrait_dummy_male_small";
// If you change the following widths, don't forget to change them in olat.css as well.
public static final int WIDTH_PORTRAIT_BIG = 100; // 4-8 kbytes (jpeg)
public static final int WIDTH_PORTRAIT_SMALL = 50; // 2-4
private DisplayPortraitManager() {
UserDeletionManager.getInstance().registerDeletableUserData(this);
}
/**
* Singleton pattern
*
* @return instance
*/
public static DisplayPortraitManager getInstance() {
return singleton;
}
/**
*
* @param identity
* @return imageResource portrait
*/
public MediaResource getPortrait(Identity identity, String portraitName){
MediaResource imageResource = null;
File imgFile = new File(getPortraitDir(identity), portraitName);
if (imgFile.exists()){
imageResource = new FileMediaResource(imgFile);
}
return imageResource;
}
/**
*
* @param identity
* @return imageResource portrait
*/
public MediaResource getPortrait(File uploadDir, String portraitName){
MediaResource imageResource = null;
File imgFile = new File(uploadDir, portraitName);
if (imgFile.exists()){
imageResource = new FileMediaResource(imgFile);
}
return imageResource;
}
/**
*
* @param identity
* @return
*/
public File getPortraitDir(Identity identity){
String portraitPath = FolderConfig.getCanonicalRoot() +
FolderConfig.getUserHomePage(identity.getName()) + "/portrait";
File portraitDir = new File(portraitPath);
portraitDir.mkdirs();
return portraitDir;
}
/**
* Delete home-page config-file of a certain user.
* @see org.olat.user.UserDataDeletable#deleteUserData(org.olat.core.id.Identity)
*/
public void deleteUserData(Identity identity, String newDeletedUserName) {
FileUtils.deleteDirsAndFiles(getPortraitDir(identity), true, true);
Tracing.logDebug("Homepage-config file deleted for identity=" + identity, this.getClass());
}
}