| /** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| package org.apache.airavata.api.server; |
| |
| import java.io.IOException; |
| import java.net.InetAddress; |
| import java.net.URI; |
| |
| import org.apache.airavata.common.exception.ApplicationSettingsException; |
| import org.apache.airavata.common.utils.AiravataUtils; |
| import org.apache.airavata.common.utils.IServer; |
| import org.apache.airavata.common.utils.ServerSettings; |
| import org.apache.airavata.model.error.AiravataSystemException; |
| import org.apache.derby.drda.NetworkServerControl; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class AiravataDerbyServer implements IServer{ |
| |
| private final static Logger logger = LoggerFactory.getLogger(AiravataDerbyServer.class); |
| private static final String SERVER_NAME = "Airavata Derby Server"; |
| private static final String SERVER_VERSION = "1.0"; |
| |
| public static final String CONFIGURATION_TABLE = "CONFIGURATION"; |
| public static final String REGISTRY_JDBC_DRIVER = "registry.jdbc.driver"; |
| public static final String REGISTRY_JDBC_URL = "registry.jdbc.url"; |
| public static final String REGISTRY_JDBC_USER = "registry.jdbc.user"; |
| public static final String REGISTRY_JDBC_PASSWORD = "registry.jdbc.password"; |
| public static final String START_DERBY_ENABLE = "start.derby.server.mode"; |
| public static final String DERBY_SERVER_MODE_SYS_PROPERTY = "derby.drda.startNetworkServer"; |
| public static final String DEFAULT_PROJECT_NAME = "default"; |
| private NetworkServerControl server; |
| private String jdbcURl; |
| private String jdbcUser; |
| private String jdbcPassword; |
| |
| private ServerStatus status; |
| |
| public AiravataDerbyServer() { |
| setStatus(ServerStatus.STOPPED); |
| } |
| public static int getPort(String jdbcURL){ |
| try{ |
| String cleanURI = jdbcURL.substring(5); |
| URI uri = URI.create(cleanURI); |
| return uri.getPort(); |
| } catch (Exception e) { |
| logger.error(e.getMessage(), e); |
| return -1; |
| } |
| } |
| |
| public void startDerbyInServerMode() { |
| try { |
| System.setProperty(DERBY_SERVER_MODE_SYS_PROPERTY, "true"); |
| server = new NetworkServerControl(InetAddress.getByName("0.0.0.0"), |
| getPort(jdbcURl), |
| jdbcUser, jdbcPassword); |
| java.io.PrintWriter consoleWriter = new java.io.PrintWriter(System.out, true); |
| server.start(consoleWriter); |
| } catch (IOException e) { |
| logger.error("Unable to start Apache derby in the server mode! Check whether " + |
| "specified port is available"); |
| } catch (Exception e) { |
| logger.error("Unable to start Apache derby in the server mode! Check whether " + |
| "specified port is available"); |
| } |
| } |
| |
| public void stopDerbyInServerMode() { |
| System.setProperty(DERBY_SERVER_MODE_SYS_PROPERTY, "false"); |
| if (server!=null){ |
| try { |
| server.shutdown(); |
| } catch (Exception e) { |
| logger.error("Error when stopping the derby server : "+e.getLocalizedMessage()); |
| } |
| } |
| } |
| |
| public void startDerbyServer() throws AiravataSystemException { |
| startDerbyServer(); |
| setStatus(ServerStatus.STARTED); |
| } |
| |
| public static void main(String[] args) { |
| try { |
| AiravataDerbyServer server = new AiravataDerbyServer(); |
| server.start(); |
| } catch (Exception e) { |
| logger.error("Error while initializing derby server", e); |
| } |
| } |
| |
| @Override |
| public void start() throws Exception { |
| setStatus(ServerStatus.STARTING); |
| startDerbyServer(); |
| } |
| |
| @Override |
| public void stop() throws Exception { |
| if (getStatus()==ServerStatus.STARTED){ |
| setStatus(ServerStatus.STOPING); |
| stopDerbyInServerMode(); |
| setStatus(ServerStatus.STOPPED); |
| } |
| } |
| |
| @Override |
| public void restart() throws Exception { |
| stop(); |
| start(); |
| } |
| |
| @Override |
| public void configure() throws Exception { |
| try{ |
| jdbcURl = ServerSettings.getSetting(REGISTRY_JDBC_URL); |
| jdbcUser = ServerSettings.getSetting(REGISTRY_JDBC_USER); |
| jdbcPassword = ServerSettings.getSetting(REGISTRY_JDBC_PASSWORD); |
| jdbcURl = jdbcURl + "?" + "user=" + jdbcUser + "&" + "password=" + jdbcPassword; |
| } catch (ApplicationSettingsException e) { |
| logger.error("Unable to read airavata server properties", e.getMessage()); |
| } |
| } |
| |
| @Override |
| public ServerStatus getStatus() throws Exception { |
| return status; |
| } |
| |
| private void setStatus(ServerStatus stat){ |
| status=stat; |
| status.updateTime(); |
| } |
| |
| @Override |
| public String getName() { |
| return SERVER_NAME; |
| } |
| |
| @Override |
| public String getVersion() { |
| return SERVER_VERSION; |
| } |
| |
| } |