Java tutorial
/* This file is part of Cyclos (www.cyclos.org). A project of the Social Trade Organisation (www.socialtrade.org). Cyclos 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. Cyclos 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 Cyclos; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ package nl.strohalm.cyclos.controls.groups.customizedFiles; import java.util.Arrays; import java.util.Collection; import java.util.Collections; import java.util.EnumMap; import java.util.List; import java.util.Map; import java.util.Set; import nl.strohalm.cyclos.annotations.Inject; import nl.strohalm.cyclos.controls.ActionContext; import nl.strohalm.cyclos.controls.BaseAjaxAction; import nl.strohalm.cyclos.entities.customization.files.CustomizedFile; import nl.strohalm.cyclos.entities.customization.files.CustomizedFile.Type; import nl.strohalm.cyclos.entities.customization.files.CustomizedFileQuery; import nl.strohalm.cyclos.entities.groups.Group; import nl.strohalm.cyclos.services.customization.CustomizedFileService; import nl.strohalm.cyclos.utils.CustomizationHelper; import nl.strohalm.cyclos.utils.binding.BeanBinder; import nl.strohalm.cyclos.utils.binding.DataBinder; import nl.strohalm.cyclos.utils.binding.PropertyBinder; import nl.strohalm.cyclos.utils.binding.SimpleCollectionBinder; import nl.strohalm.cyclos.utils.conversion.ReferenceConverter; import nl.strohalm.cyclos.utils.validation.ValidationException; import org.apache.commons.collections.CollectionUtils; /** * Action used to retrieve the available files to be customized for a group * @author luis */ public class GetAvailableFilesForGroupAjaxAction extends BaseAjaxAction { public static final Map<CustomizedFile.Type, Collection<String>> POSSIBLE_CUSTOMIZED_FILES; public static final Map<CustomizedFile.Type, Collection<String>> POSSIBLE_CUSTOMIZED_FILES_OPERATOR; static { final Set<String> empty = Collections.emptySet(); Map<CustomizedFile.Type, Collection<String>> possible = new EnumMap<CustomizedFile.Type, Collection<String>>( CustomizedFile.Type.class); possible.put(CustomizedFile.Type.STATIC_FILE, Arrays.asList("login.jsp", "contact.jsp", "general_news.jsp", "member_about.jsp", "member_manual.jsp", "top.jsp")); possible.put(CustomizedFile.Type.STYLE, Arrays.asList("login.css", "style.css", "mobile.css")); possible.put(CustomizedFile.Type.HELP, empty); possible.put(CustomizedFile.Type.APPLICATION_PAGE, empty); POSSIBLE_CUSTOMIZED_FILES = Collections.unmodifiableMap(possible); possible = new EnumMap<CustomizedFile.Type, Collection<String>>(CustomizedFile.Type.class); possible.put(CustomizedFile.Type.STATIC_FILE, CustomizationHelper.OPERATOR_SPECIFIC_FILES); possible.put(CustomizedFile.Type.STYLE, empty); possible.put(CustomizedFile.Type.HELP, empty); possible.put(CustomizedFile.Type.APPLICATION_PAGE, empty); POSSIBLE_CUSTOMIZED_FILES_OPERATOR = Collections.unmodifiableMap(possible); } private DataBinder<CustomizedFileQuery> dataBinder; private CustomizedFileService customizedFileService; private CustomizationHelper customizationHelper; private SimpleCollectionBinder<String> collectionBinder; public SimpleCollectionBinder<String> getCollectionBinder() { if (collectionBinder == null) { collectionBinder = SimpleCollectionBinder.instance(String.class); } return collectionBinder; } public CustomizedFileService getCustomizedFileService() { return customizedFileService; } public DataBinder<CustomizedFileQuery> getDataBinder() { if (dataBinder == null) { final BeanBinder<CustomizedFileQuery> binder = BeanBinder.instance(CustomizedFileQuery.class); binder.registerBinder("type", PropertyBinder.instance(CustomizedFile.Type.class, "type")); binder.registerBinder("group", PropertyBinder.instance(Group.class, "groupId", ReferenceConverter.instance(Group.class))); dataBinder = binder; } return dataBinder; } @Inject public void setCustomizationHelper(final CustomizationHelper customizationHelper) { this.customizationHelper = customizationHelper; } @Inject public void setCustomizedFileService(final CustomizedFileService customizedFileService) { this.customizedFileService = customizedFileService; } @Override protected ContentType contentType() { return ContentType.JSON; } @Override @SuppressWarnings("unchecked") protected void renderContent(final ActionContext context) throws Exception { final GetAvailableFilesForGroupAjaxForm form = context.getForm(); final CustomizedFileQuery query = getDataBinder().readFromString(form); Type type = query.getType(); if (type == null) { type = CustomizedFile.Type.STATIC_FILE; query.setType(type); } if (query.getGroup() == null) { throw new ValidationException(); } final List<CustomizedFile> customizedFiles = customizedFileService.search(query); final List<String> notAlreadyCustomized = customizationHelper.onlyNotAlreadyCustomized(type, customizedFiles); // Ensure only possible per type final Map<Type, Collection<String>> allPossible = context.isAdmin() ? POSSIBLE_CUSTOMIZED_FILES : POSSIBLE_CUSTOMIZED_FILES_OPERATOR; final Collection<String> possible = CollectionUtils.intersection(notAlreadyCustomized, allPossible.get(type)); responseHelper.writeJSON(context.getResponse(), getCollectionBinder().readAsString(possible)); } }