src/net/pterodactylus/jsite/core/CoreImpl.java

   1 /*
   2  * jSite2 - Core.java -
   3  * Copyright © 2008 David Roden
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 package net.pterodactylus.jsite.core;
  21
  22 import java.io.IOException;
  23 import java.net.UnknownHostException;
  24 import java.util.List;
  25 import java.util.concurrent.Executor;
  26 import java.util.concurrent.Executors;
  27 import java.util.logging.Level;
  28 import java.util.logging.Logger;
  29
  30 import net.pterodactylus.util.logging.Logging;
  31
  32 /**
  33  * The core of jSite.
  34  *
  35  * @author David ‘Bombe’ Roden &lt;bombe@freenetproject.org&gt;
  36  */
  37 public class CoreImpl implements Core, NodeListener {
  38
  39         /** The logger. */
  40         private static final Logger logger = Logging.getLogger(CoreImpl.class.getName());
  41
  42         /** The core listener support. */
  43         private final CoreListenerSupport coreListenerSupport = new CoreListenerSupport();
  44
  45         /** Thread pool. */
  46         @SuppressWarnings("unused")
  47         private Executor threadPool = Executors.newCachedThreadPool();
  48
  49         /** The project manager. */
  50         private ProjectManager projectManager;
  51
  52         /** The node manager. */
  53         private NodeManager nodeManager;
  54
  55         //
  56         // LISTENER MANAGEMENT
  57         //
  58
  59         /**
  60          * {@inheritDoc}
  61          */
  62         public void addCoreListener(CoreListener coreListener) {
  63                 logger.log(Level.FINEST, "adding core listener: " + coreListener);
  64                 coreListenerSupport.addListener(coreListener);
  65         }
  66
  67         /**
  68          * {@inheritDoc}
  69          */
  70         public void removeCoreListener(CoreListener coreListener) {
  71                 logger.log(Level.FINEST, "removing core listener: " + coreListener);
  72                 coreListenerSupport.removeListener(coreListener);
  73         }
  74
  75         //
  76         // ACCESSORS
  77         //
  78
  79         /**
  80          * Returns the project manager.
  81          *
  82          * @return The project manager
  83          */
  84         public ProjectManager getProjectManager() {
  85                 return projectManager;
  86         }
  87
  88         /**
  89          * Sets the project manager to use.
  90          *
  91          * @param projectManager
  92          *            The project manager to use
  93          */
  94         public void setProjectManager(ProjectManager projectManager) {
  95                 this.projectManager = projectManager;
  96         }
  97
  98         /**
  99          * Returns the node manager.
 100          *
 101          * @return The node manager
 102          */
 103         public NodeManager getNodeManager() {
 104                 return nodeManager;
 105         }
 106
 107         /**
 108          * Sets the node manager to use.
 109          *
 110          * @param nodeManager
 111          *            The node manager to use
 112          */
 113         public void setNodeManager(NodeManager nodeManager) {
 114                 this.nodeManager = nodeManager;
 115         }
 116
 117         /**
 118          * {@inheritDoc}
 119          */
 120         public List<Node> getNodes() {
 121                 return nodeManager.getNodes();
 122         }
 123
 124         /**
 125          * {@inheritDoc}
 126          */
 127         public boolean isNodeConnected(Node node) {
 128                 return nodeManager.isNodeConnected(node);
 129         }
 130
 131         /**
 132          * {@inheritDoc}
 133          */
 134         public List<Project> getProjects() {
 135                 return projectManager.getProjects();
 136         }
 137
 138         //
 139         // ACTIONS
 140         //
 141
 142         /**
 143          * {@inheritDoc}
 144          */
 145         public void start() {
 146                 logger.log(Level.INFO, "starting core…");
 147                 try {
 148                         nodeManager.load();
 149                         coreListenerSupport.fireLoadingNodesDone(nodeManager.getDirectory());
 150                 } catch (IOException ioe1) {
 151                         coreListenerSupport.fireLoadingNodesFailed(nodeManager.getDirectory(), ioe1);
 152                 }
 153                 try {
 154                         projectManager.load();
 155                         coreListenerSupport.fireLoadingProjectsDone(projectManager.getDirectory());
 156                 } catch (IOException ioe1) {
 157                         coreListenerSupport.fireLoadingProjectsFailed(projectManager.getDirectory(), ioe1);
 158                 }
 159                 coreListenerSupport.fireCoreLoaded();
 160         }
 161
 162         /**
 163          * {@inheritDoc}
 164          */
 165         public void stop() {
 166                 logger.log(Level.INFO, "stopping core…");
 167                 try {
 168                         projectManager.save();
 169                         coreListenerSupport.fireSavingProjectsDone(projectManager.getDirectory());
 170                 } catch (IOException ioe1) {
 171                         coreListenerSupport.fireSavingProjectsFailed(projectManager.getDirectory(), ioe1);
 172                 }
 173                 try {
 174                         nodeManager.save();
 175                         coreListenerSupport.fireSavingNodesDone(nodeManager.getDirectory());
 176                 } catch (IOException ioe1) {
 177                         coreListenerSupport.fireSavingNodesFailed(nodeManager.getDirectory(), ioe1);
 178                 }
 179                 coreListenerSupport.fireCoreStopped();
 180         }
 181
 182         /**
 183          * {@inheritDoc}
 184          */
 185         public boolean addNode(Node node) throws UnknownHostException {
 186                 logger.log(Level.FINEST, "addNode(node=" + node + ")");
 187                 return nodeManager.addNode(node);
 188         }
 189
 190         /**
 191          * {@inheritDoc}
 192          */
 193         public void removeNode(Node node) {
 194                 logger.log(Level.FINEST, "removeNode(node=" + node + ")");
 195                 nodeManager.removeNode(node);
 196         }
 197
 198         /**
 199          * {@inheritDoc}
 200          */
 201         public void connectToNode(Node node) {
 202                 logger.log(Level.FINEST, "connectToNode(node=" + node + ")");
 203                 coreListenerSupport.fireNodeConnecting(node);
 204                 nodeManager.connect(node);
 205         }
 206
 207         /**
 208          * {@inheritDoc}
 209          */
 210         public void disconnectFromNode(Node node) {
 211                 logger.log(Level.FINEST, "disconnectFromNode(node=" + node + ")");
 212                 nodeManager.disconnect(node);
 213         }
 214
 215         /**
 216          * {@inheritDoc}
 217          */
 218         public void createProject() throws IOException, JSiteException {
 219                 logger.log(Level.FINEST, "createProject()");
 220                 Project newProject = projectManager.createProject();
 221                 coreListenerSupport.fireProjectAdded(newProject);
 222         }
 223
 224         /**
 225          * {@inheritDoc}
 226          */
 227         public void insertProject(Node node, Project project) {
 228                 logger.log(Level.FINEST, "insertProject(node=" + node + ", project=" + project + ")");
 229         }
 230
 231         /**
 232          * {@inheritDoc}
 233          */
 234         public void cloneProject(Project project) {
 235                 logger.log(Level.FINEST, "cloneProject(project=" + project + ")");
 236                 Project projectClone = projectManager.cloneProject(project);
 237                 coreListenerSupport.fireProjectCloned(project, projectClone);
 238         }
 239
 240         /**
 241          * {@inheritDoc}
 242          */
 243         public void removeProject(Project project) {
 244                 logger.log(Level.FINEST, "removeProject(project=" + project + ")");
 245                 projectManager.removeProject(project);
 246                 coreListenerSupport.fireProjectRemoved(project);
 247         }
 248
 249         //
 250         // PRIVATE METHODS
 251         //
 252
 253         /**
 254          * Loads the configuration.
 255          */
 256         @SuppressWarnings("unused")
 257         private void loadConfig() {
 258                 logger.log(Level.FINEST, "loadConfig()");
 259                 /* TODO */
 260         }
 261
 262         /**
 263          * Saves the configuration.
 264          */
 265         @SuppressWarnings("unused")
 266         private void saveConfig() {
 267                 logger.log(Level.FINEST, "saveConfig()");
 268                 /* TODO */
 269         }
 270
 271         //
 272         // INTERFACE NodeListener
 273         //
 274
 275         /**
 276          * {@inheritDoc}
 277          */
 278         public void nodeAdded(Node node) {
 279                 coreListenerSupport.fireNodeAdded(node);
 280         }
 281
 282         /**
 283          * {@inheritDoc}
 284          */
 285         public void nodeRemoved(Node node) {
 286                 coreListenerSupport.fireNodeRemoved(node);
 287         }
 288
 289         /**
 290          * {@inheritDoc}
 291          */
 292         public void nodeConnected(Node node) {
 293                 coreListenerSupport.fireNodeConnected(node);
 294         }
 295
 296         /**
 297          * {@inheritDoc}
 298          */
 299         public void nodeConnectionFailed(Node node, Throwable cause) {
 300                 coreListenerSupport.fireNodeConnectionFailed(node, cause);
 301         }
 302
 303         /**
 304          * {@inheritDoc}
 305          */
 306         public void nodeDisconnected(Node node, Throwable throwable) {
 307                 coreListenerSupport.fireNodeDisconnected(node, throwable);
 308         }
 309
 310 }