Java tutorial
/* * (C) Copyright 2006-2008 Nuxeo SA (http://nuxeo.com/) and others. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * Contributors: * troger * * $Id$ */ package org.nuxeo.ecm.platform.annotations.gwt.server.configuration; import java.io.IOException; import java.util.HashMap; import java.util.List; import java.util.Map; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.nuxeo.ecm.core.api.CoreInstance; import org.nuxeo.ecm.core.api.CoreSession; import org.nuxeo.ecm.core.api.DocumentLocation; import org.nuxeo.ecm.core.api.DocumentModel; import org.nuxeo.ecm.core.api.DocumentNotFoundException; import org.nuxeo.ecm.core.api.NuxeoPrincipal; import org.nuxeo.ecm.platform.annotations.configuration.service.FilterDescriptor; import org.nuxeo.ecm.platform.annotations.configuration.service.WebAnnotationConfigurationService; import org.nuxeo.ecm.platform.annotations.configuration.service.WebAnnotationDefinitionDescriptor; import org.nuxeo.ecm.platform.annotations.configuration.service.WebAnnotationFieldDescriptor; import org.nuxeo.ecm.platform.annotations.gwt.client.configuration.AnnotationDefinition; import org.nuxeo.ecm.platform.annotations.gwt.client.configuration.WebConfiguration; import org.nuxeo.ecm.platform.annotations.gwt.client.configuration.WebConfigurationService; import org.nuxeo.ecm.platform.url.api.DocumentView; import org.nuxeo.ecm.platform.url.api.DocumentViewCodecManager; import org.nuxeo.ecm.platform.web.common.vh.VirtualHostHelper; import org.nuxeo.runtime.api.Framework; import com.google.gwt.user.server.rpc.RemoteServiceServlet; /** * @author <a href="mailto:troger@nuxeo.com">Thomas Roger</a> */ public class WebConfigurationServiceImpl extends RemoteServiceServlet implements WebConfigurationService { private static final long serialVersionUID = 2389527283775608787L; private static final Log log = LogFactory.getLog(WebConfigurationServiceImpl.class); private WebAnnotationConfigurationService webAnnotationConfigurationService; protected DocumentViewCodecManager documentViewCodecManager; private NuxeoPrincipal currentUser; protected WebAnnotationConfigurationService getConfig() { if (webAnnotationConfigurationService == null) { webAnnotationConfigurationService = Framework.getService(WebAnnotationConfigurationService.class); } return webAnnotationConfigurationService; } public WebConfiguration getWebConfiguration(String url) { WebConfiguration conf = new WebConfiguration(); List<WebAnnotationDefinitionDescriptor> types = getConfig().getEnabledWebAnnotationDefinitions(); for (WebAnnotationDefinitionDescriptor type : types) { Map<String, String[]> fields = new HashMap<String, String[]>(); for (WebAnnotationFieldDescriptor field : type.getFields()) { fields.put(field.getName(), field.getChoices()); } conf.addAnnotationDefinition(new AnnotationDefinition(type.getUri(), type.getName(), type.getIcon(), type.getType(), type.getListIcon(), type.getCreateIcon(), type.isInMenu(), fields)); } UserInfoMapper userInfoMapper = getConfig().getUserInfoMapper(); if (userInfoMapper != null) { conf.setUserInfo(userInfoMapper.getUserInfo(currentUser)); } WebPermission webPermission = getConfig().getWebPermission(); if (webPermission != null) { conf.setCanAnnotate(canAnnotate(url, webPermission)); } Map<String, FilterDescriptor> filters = getConfig().getFilterDefinitions(); for (FilterDescriptor filter : filters.values()) { conf.addFilter(filter.getOrder(), filter.getName(), filter.getIcon(), filter.getType(), filter.getAuthor(), filter.getFields()); } conf.setDisplayedFields(getConfig().getDisplayedFields()); conf.setFieldLabels(getConfig().getFieldLabels()); return conf; } @Override protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { currentUser = (NuxeoPrincipal) request.getUserPrincipal(); super.service(request, response); } protected boolean canAnnotate(String url, WebPermission webPermission) { DocumentViewCodecManager documentViewCodecManager = getDocumentViewCodecManager(); DocumentView docView = documentViewCodecManager.getDocumentViewFromUrl(url, true, getBaseUrl(url)); DocumentLocation docLocation = docView.getDocumentLocation(); try (CoreSession coreSession = CoreInstance.openCoreSession(docLocation.getServerName())) { DocumentModel docModel = coreSession.getDocument(docLocation.getDocRef()); return webPermission.canAnnotate(docModel); } catch (DocumentNotFoundException e) { log.error("Unable to get Document: " + docLocation.getDocRef(), e); } return true; // if any error, default to authorize annotations } protected DocumentViewCodecManager getDocumentViewCodecManager() { if (documentViewCodecManager == null) { documentViewCodecManager = Framework.getService(DocumentViewCodecManager.class); } return documentViewCodecManager; } protected String getBaseUrl(String url) { String nxUrl = VirtualHostHelper.getContextPathProperty() + "/"; return url.substring(0, url.lastIndexOf(nxUrl) + nxUrl.length()); } }