/** * Copyright (C) 2010-2017 Structr GmbH * * This file is part of Structr <http://structr.org>. * * Structr 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. * * Structr 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with Structr. If not, see <http://www.gnu.org/licenses/>. */ package org.structr.websocket.command; import java.util.Arrays; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.structr.common.SecurityContext; import org.structr.common.error.FrameworkException; import org.structr.core.app.App; import org.structr.core.app.StructrApp; import org.structr.core.entity.SchemaNode; import org.structr.websocket.StructrWebSocket; import org.structr.websocket.message.MessageBuilder; import org.structr.websocket.message.WebSocketMessage; //~--- classes ---------------------------------------------------------------- /** * Websocket command to retrieve type information from the schema. * * */ public class GetTypeInfoCommand extends AbstractCommand { private static final Logger logger = LoggerFactory.getLogger(GetTypeInfoCommand.class.getName()); static { StructrWebSocket.addCommand(GetTypeInfoCommand.class); } @Override public void processMessage(final WebSocketMessage webSocketData) { final String type = (String) webSocketData.getNodeData().get("type"); if (type == null) { logger.warn("Node type given not found"); getWebSocket().send(MessageBuilder.status().code(400).build(), true); } final SecurityContext securityContext = getWebSocket().getSecurityContext(); final App app = StructrApp.getInstance(securityContext); final SchemaNode typeNode; try { typeNode = app.nodeQuery(SchemaNode.class).andName(type).getFirst(); if (typeNode != null) { webSocketData.setResult(Arrays.asList(typeNode)); // send only over local connection (no broadcast) getWebSocket().send(webSocketData, true); } } catch (FrameworkException ex) { logger.error("", ex); getWebSocket().send(MessageBuilder.status().code(500).build(), true); } } //~--- get methods ---------------------------------------------------- @Override public String getCommand() { return "GET_TYPE_INFO"; } }