Java tutorial
/* * See the NOTICE file distributed with this work for additional * information regarding copyright ownership. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This software 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ package org.xwiki.rest.internal.resources.classes; import javax.inject.Inject; import javax.inject.Named; import javax.inject.Singleton; import org.apache.commons.lang3.exception.ExceptionUtils; import org.xwiki.component.annotation.Component; import org.xwiki.model.reference.DocumentReference; import org.xwiki.query.QueryBuilder; import org.xwiki.rest.model.jaxb.PropertyValues; import org.xwiki.wiki.user.WikiUserManager; import com.xpn.xwiki.XWikiContext; import com.xpn.xwiki.XWikiException; import com.xpn.xwiki.doc.XWikiAttachment; import com.xpn.xwiki.doc.XWikiDocument; import com.xpn.xwiki.objects.classes.UsersClass; /** * Provides values for the "List of Users" type of properties. * * @version $Id: 6d3d53b9053128129a4d965dbae9982062ccf517 $ * @since 9.8 */ @Component @Named("Users") @Singleton public class UsersClassPropertyValuesProvider extends AbstractUsersAndGroupsClassPropertyValuesProvider<UsersClass> { @Inject private WikiUserManager wikiUserManager; @Inject private QueryBuilder<UsersClass> allowedValuesQueryBuilder; @Override protected Class<UsersClass> getPropertyType() { return UsersClass.class; } @Override protected QueryBuilder<UsersClass> getAllowedValuesQueryBuilder() { return this.allowedValuesQueryBuilder; } @Override protected PropertyValues getAllowedValues(UsersClass propertyDefinition, int limit, String filter) throws Exception { String wikiId = propertyDefinition.getOwnerDocument().getDocumentReference().getWikiReference().getName(); switch (this.wikiUserManager.getUserScope(wikiId)) { case LOCAL_AND_GLOBAL: return getLocalAndGlobalAllowedValues(propertyDefinition, limit, filter); case GLOBAL_ONLY: return getGlobalAllowedValues(propertyDefinition, limit, filter); default: return getLocalAllowedValues(propertyDefinition, limit, filter); } } @Override protected String getIcon(DocumentReference userReference) { XWikiContext xcontext = this.xcontextProvider.get(); try { XWikiDocument userProfileDocument = xcontext.getWiki().getDocument(userReference, xcontext); String avatar = userProfileDocument.getStringValue("avatar"); XWikiAttachment avatarAttachment = userProfileDocument.getAttachment(avatar); if (avatarAttachment != null && avatarAttachment.isImage(xcontext)) { return xcontext.getWiki().getURL(avatarAttachment.getReference(), "download", "width=30&height=30&keepAspectRatio=true", null, xcontext); } } catch (XWikiException e) { this.logger.warn( "Failed to read the avatar of user [{}]. Root cause is [{}]. Using the default avatar instead.", userReference.getName(), ExceptionUtils.getRootCauseMessage(e)); } return xcontext.getWiki().getSkinFile("icons/xwiki/noavatar.png", true, xcontext); } }