eu.etaxonomy.taxeditor.cdmlib/src/main/java/eu/etaxonomy/taxeditor/remoting/source/CdmServerInfo.java

   1 // $Id$
   2 /**
   3  * Copyright (C) 2015 EDIT
   4  * European Distributed Institute of Taxonomy
   5  * http://www.e-taxonomy.eu
   6  *
   7  * The contents of this file are subject to the Mozilla Public License Version 1.1
   8  * See LICENSE.TXT at the top of this package for the full license terms.
   9  */
  10 package eu.etaxonomy.taxeditor.remoting.source;
  11
  12 import java.io.IOException;
  13 import java.net.Socket;
  14 import java.util.ArrayList;
  15 import java.util.List;
  16
  17 import org.apache.http.HttpEntity;
  18 import org.apache.http.HttpResponse;
  19 import org.apache.http.client.ClientProtocolException;
  20 import org.apache.http.client.HttpClient;
  21 import org.apache.http.client.ResponseHandler;
  22 import org.apache.http.client.methods.HttpGet;
  23 import org.apache.http.impl.client.DefaultHttpClient;
  24 import org.apache.http.util.EntityUtils;
  25 import org.apache.log4j.Logger;
  26 import org.json.JSONArray;
  27 import org.json.JSONException;
  28 import org.json.JSONObject;
  29
  30 import eu.etaxonomy.cdm.config.CdmSourceException;
  31 import eu.etaxonomy.taxeditor.remoting.server.CDMServerException;
  32
  33 /**
  34  * @author cmathew
  35  * @date 20 Jan 2015
  36  *
  37  */
  38 public class CdmServerInfo {
  39     public static final Logger logger = Logger.getLogger(CdmServerInfo.class);
  40
  41     private final static String NAME_PRODUCTION = "edit-production";
  42     private final static String SERVER_PRODUCTION = "dev.e-taxonomy.eu";
  43
  44     private final static String NAME_INTEGRATION = "edit-integration";
  45     private final static String SERVER_INTEGRATION = "int.e-taxonomy.eu";
  46
  47     private final static String NAME_TEST = "edit-test";
  48     private final static String SERVER_TEST = "test.e-taxonomy.eu";
  49
  50     private final static String SERVER_LOCALHOST = "localhost";
  51     private final static String NAME_LOCALHOST = "localhost";
  52     private final static String NAME_LOCALHOST_MGD = "localhost mgd.";
  53
  54     private final static String NAME_LOCALHOST_DEV = "localhost-dev";
  55     private final static String NAME_INSTANCE_LOCALHOST_DEV = "local-dev";
  56     private final static String SERVER_LOCALHOST_DEV = "localhost";
  57     private final static int PORT_LOCALHOST_DEV = 8080;
  58     private final static String BASEPATH_LOCALHOST_DEV = "";
  59
  60     private final String name;
  61     private final String server;
  62     private final int port;
  63     private final List<CdmInstanceInfo> instances;
  64
  65
  66     public CdmServerInfo(String name, String server, int port) {
  67         this.name = name;
  68         this.server = server;
  69         this.port = port;
  70         instances = new ArrayList<CdmInstanceInfo>();
  71     }
  72
  73
  74     public CdmInstanceInfo addInstance(String name, String basePath) {
  75         CdmInstanceInfo cii = new CdmInstanceInfo(name, basePath);
  76         instances.add(cii);
  77         return cii;
  78
  79     }
  80
  81     public void refreshInstances() throws CDMServerException {
  82         String url = "http://" + server + ":" + String.valueOf(port) + "/cdmserver/instances.jsp";
  83
  84         HttpClient client = new DefaultHttpClient();
  85         HttpGet httpGet = new HttpGet(url);
  86
  87         logger.info("Executing request " + httpGet.getRequestLine());
  88
  89         // Create a custom response handler
  90         ResponseHandler<String> responseHandler = new ResponseHandler<String>() {
  91
  92             @Override
  93             public String handleResponse(
  94                     final HttpResponse response) throws ClientProtocolException, IOException {
  95                 int status = response.getStatusLine().getStatusCode();
  96                 if (status >= 200 && status < 300) {
  97                     HttpEntity entity = response.getEntity();
  98                     return entity != null ? EntityUtils.toString(entity) : null;
  99                 } else {
 100                     throw new ClientProtocolException("Unexpected response status: " + status);
 101                 }
 102             }
 103
 104         };
 105         String responseBody = null;
 106         try {
 107             responseBody = client.execute(httpGet, responseHandler);
 108         } catch (ClientProtocolException e) {
 109             throw new CDMServerException(e);
 110         } catch (IOException e) {
 111             throw new CDMServerException(e);
 112         }
 113
 114
 115         if(responseBody != null) {
 116             try {
 117                 JSONArray array = new JSONArray(responseBody);
 118                 for(int i=0;i<array.length();i++) {
 119                     JSONObject instance = (JSONObject)array.get(i);
 120                     if(instance != null) {
 121                         JSONObject conf = (JSONObject)instance.get("configuration");
 122                         if(conf != null) {
 123                             String instanceName = conf.getString("instanceName");
 124                             // we need to remove the first (char) forward slash from
 125                             // the base path
 126                             String basePath = conf.getString("basePath").substring(1);
 127                             addInstance(instanceName, basePath);
 128                             logger.info("Added instance with name : " + instanceName + ", basePath : " + basePath);
 129                         }
 130                     }
 131                 }
 132             } catch (JSONException e) {
 133                 throw new CDMServerException(e);
 134             }
 135         }
 136
 137     }
 138
 139     public CdmInstanceInfo getInstanceFromName(String instanceName) {
 140         if(instanceName == null) {
 141             return null;
 142         }
 143
 144         for(CdmInstanceInfo instance : instances) {
 145             if(instance.getName() != null && instance.getName().equals(instanceName)) {
 146                 return instance;
 147             }
 148         }
 149         return null;
 150     }
 151
 152     public ICdmRemoteSource getCdmRemoteSource(CdmInstanceInfo instance) {
 153         if(instance != null) {
 154             return CdmRemoteSource.NewInstance(name,
 155                     server,
 156                     port,
 157                     instance.getBasePath(),
 158                     null);
 159         }
 160         return null;
 161     }
 162
 163     public boolean pingServer(){
 164         try {
 165             Socket s = new Socket(server, port);
 166             logger.info("[CDM-Server] Available @ " + server + ":" + port );
 167             return true;
 168         } catch (IOException ioe) {
 169
 170         }
 171         return false;
 172     }
 173
 174     public boolean pingInstance(CdmInstanceInfo instance) throws CDMServerException  {
 175
 176         ICdmRemoteSource crs = getCdmRemoteSource(instance);
 177         try {
 178             if(crs != null && crs.checkConnection()) {
 179                 logger.info("[CDM-Server] Running @ " + server + ":" + port + " for instance " + instance);
 180                 return true;
 181             }
 182         } catch (CdmSourceException e) {
 183             throw new CDMServerException(e);
 184         }
 185
 186         return false;
 187     }
 188
 189     public static List<CdmServerInfo> getCdmServers() {
 190         List<CdmServerInfo> cdmServerInfoList = new ArrayList<CdmServerInfo>();
 191         cdmServerInfoList.add(new CdmServerInfo(NAME_PRODUCTION, SERVER_PRODUCTION, 80));
 192         cdmServerInfoList.add(new CdmServerInfo(NAME_INTEGRATION, SERVER_INTEGRATION, 80));
 193         cdmServerInfoList.add(new CdmServerInfo(NAME_TEST, SERVER_TEST, 80));
 194         cdmServerInfoList.add(new CdmServerInfo(NAME_LOCALHOST, SERVER_LOCALHOST, 8080));
 195         cdmServerInfoList.add(new CdmServerInfo(NAME_LOCALHOST_MGD, SERVER_LOCALHOST,8080));
 196         return cdmServerInfoList;
 197     }
 198
 199     public String getName() {
 200         return name;
 201     }
 202
 203     public String getServer() {
 204         return server;
 205     }
 206
 207
 208     public int getPort() {
 209         return port;
 210     }
 211
 212
 213     public List<CdmInstanceInfo> getInstances() throws CDMServerException {
 214         if(instances.isEmpty()) {
 215             refreshInstances();
 216         }
 217         return instances;
 218     }
 219
 220     public static ICdmRemoteSource getDevServerRemoteSource() {
 221         String value=System.getProperty("cdm.server.dev.activate");
 222         boolean available = false;
 223         CdmInstanceInfo devInstance = null;
 224         if(value != null && value.equals("true")) {
 225             CdmServerInfo devCii = new CdmServerInfo(NAME_LOCALHOST_DEV, SERVER_LOCALHOST_DEV, PORT_LOCALHOST_DEV);
 226             try {
 227                 devInstance = devCii.addInstance(NAME_INSTANCE_LOCALHOST_DEV, BASEPATH_LOCALHOST_DEV);
 228                 available = devCii.pingInstance(devInstance);
 229                 if(available) {
 230                     return devCii.getCdmRemoteSource(devInstance);
 231                 }
 232             } catch (Exception e) {
 233
 234             }
 235         }
 236         return null;
 237     }
 238
 239     public class CdmInstanceInfo {
 240         private final String name;
 241         private final String basePath;
 242
 243
 244         public CdmInstanceInfo(String name, String basePath) {
 245             this.name = name;
 246             this.basePath = basePath;
 247         }
 248
 249
 250         public String getName() {
 251             return name;
 252         }
 253
 254         public String getBasePath() {
 255             return basePath;
 256         }
 257     }
 258 }