| Line | Hits | Source |
|---|---|---|
| 1 | /******************************************************************************* | |
| 2 | *InternetCafe is a software solution that helps the management of Cybercafes | |
| 3 | * according with the ITALIAN DECREE LAW ON ANTI-TERROR MEASURES, 27 JULY 2005. | |
| 4 | * Copyright (C) 2006 Guido Angelo Ingenito | |
| 5 | ||
| 6 | * This program is free software; you can redistribute it and/or | |
| 7 | * modify it under the terms of the GNU General Public License | |
| 8 | * as published by the Free Software Foundation; either version 2 | |
| 9 | * of the License, or (at your option) any later version. | |
| 10 | ||
| 11 | * This program is distributed in the hope that it will be useful, | |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | * GNU General Public License for more details. | |
| 15 | * | |
| 16 | * You should have received a copy of the GNU General Public License | |
| 17 | * along with this program; if not, write to the Free Software | |
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | |
| 19 | *******************************************************************************/ | |
| 20 | ||
| 21 | package base.jdbs; | |
| 22 | ||
| 23 | import java.io.File; | |
| 24 | import java.io.FileInputStream; | |
| 25 | import java.io.PrintStream; | |
| 26 | ||
| 27 | import javax.xml.parsers.DocumentBuilder; | |
| 28 | import javax.xml.parsers.DocumentBuilderFactory; | |
| 29 | import javax.xml.transform.Transformer; | |
| 30 | import javax.xml.transform.TransformerFactory; | |
| 31 | import javax.xml.transform.dom.DOMSource; | |
| 32 | import javax.xml.transform.stream.StreamResult; | |
| 33 | ||
| 34 | import org.apache.log4j.Logger; | |
| 35 | import org.w3c.dom.Document; | |
| 36 | import org.w3c.dom.Element; | |
| 37 | import org.w3c.dom.Node; | |
| 38 | ||
| 39 | import base.IXMLLoadable; | |
| 40 | import base.IXMLSaveable; | |
| 41 | import base.user.User; | |
| 42 | import base.user.UserFactory; | |
| 43 | ||
| 44 | /** | |
| 45 | * This is the class where every JDBS configuration paramenter is placed. This | |
| 46 | * class is helpful to write and load parameters configured by the user in xml | |
| 47 | * format and it is used from the entire application. Only one instance of this | |
| 48 | * class is present at runtime in the system | |
| 49 | * | |
| 50 | 0 | * @author skunk |
| 51 | */ | |
| 52 | 0 | public class ConfigurationManager implements IXMLSaveable, IXMLLoadable { |
| 53 | ||
| 54 | 0 | private static final transient Logger logger = Logger |
| 55 | 0 | .getLogger(ConfigurationManager.class.getName()); |
| 56 | ||
| 57 | /** The only instance of ConfigurationManger present in the system.* */ | |
| 58 | 0 | private static ConfigurationManager instance = null; |
| 59 | ||
| 60 | /** The JDBS repository.* */ | |
| 61 | 0 | private Repository repository = new Repository(new File(""), 0); |
| 62 | ||
| 63 | /** | |
| 64 | * The default security level for JDBS's created backups. (One between | |
| 65 | * PUBLIC or PRIVATE).* | |
| 66 | */ | |
| 67 | 0 | private SecurityLevel defaultBackupSecurityLevel = SecurityLevel.PRIVATE; |
| 68 | ||
| 69 | 0 | /** The user's key ring location.* */ |
| 70 | private File keyRingLocation; | |
| 71 | ||
| 72 | 0 | /** The user location.* */ |
| 73 | 0 | private String userLocation = ""; |
| 74 | ||
| 75 | 0 | /** This is the JDBS User* */ |
| 76 | 0 | private User user = UserFactory.newUser(); |
| 77 | ||
| 78 | 0 | /** |
| 79 | * This checks if before a peer download starts the peer is the real | |
| 80 | 0 | * backups'owner.* |
| 81 | */ | |
| 82 | 0 | private boolean enabledPeerDownloadAuthentication = true; |
| 83 | ||
| 84 | /** | |
| 85 | * This is the peers' network connection type. It is used from other peers | |
| 86 | 0 | * to estabilish and evaluate the available network bandwidth.* |
| 87 | */ | |
| 88 | 0 | private NetworkConnectionType networkConnectionType = NetworkConnectionType.DSL; |
| 89 | ||
| 90 | /** The default constructor.* */ | |
| 91 | 0 | protected ConfigurationManager() { |
| 92 | ||
| 93 | 0 | } |
| 94 | 0 | |
| 95 | /** | |
| 96 | 0 | * @return the instance |
| 97 | */ | |
| 98 | public static ConfigurationManager getInstance() { | |
| 99 | 0 | return instance == null ? instance = new ConfigurationManager() |
| 100 | : instance; | |
| 101 | } | |
| 102 | ||
| 103 | /** | |
| 104 | * @return the repository | |
| 105 | */ | |
| 106 | public Repository getRepository() { | |
| 107 | 0 | if (this.repository == null) { |
| 108 | 0 | this.repository = new Repository(null, 0); |
| 109 | 0 | } |
| 110 | 0 | return repository; |
| 111 | 0 | } |
| 112 | ||
| 113 | 0 | /** |
| 114 | * This method reads from an XML document various configuration parameters | |
| 115 | * for the JDBS. | |
| 116 | 0 | * |
| 117 | * @param document | |
| 118 | 0 | * An XML document that contains a list of configuration |
| 119 | * parameters for the JDBS. | |
| 120 | 0 | */ |
| 121 | public Object fromXml(Document document) { | |
| 122 | 0 | this.defaultBackupSecurityLevel = document |
| 123 | 0 | .getElementsByTagName("SecurityLevel") != null ? (document |
| 124 | .getElementsByTagName("SecurityLevel").item(0).getAttributes() | |
| 125 | .getNamedItem("value").getNodeValue().equalsIgnoreCase( | |
| 126 | SecurityLevel.PUBLIC.toString()) ? SecurityLevel.PUBLIC | |
| 127 | : SecurityLevel.PRIVATE) : SecurityLevel.PRIVATE; | |
| 128 | ||
| 129 | 0 | this.enabledPeerDownloadAuthentication = document |
| 130 | .getElementsByTagName("PeerDownloadAuthentication") != null ? Boolean | |
| 131 | .parseBoolean(document.getElementsByTagName( | |
| 132 | "PeerDownloadAuthentication").item(0).getAttributes() | |
| 133 | .getNamedItem("value").getNodeValue()) | |
| 134 | : true; | |
| 135 | 0 | |
| 136 | 0 | this.networkConnectionType = document |
| 137 | 0 | .getElementsByTagName("NetworkConnectionType") != null ? NetworkConnectionType |
| 138 | 0 | .fromStringToConnectionType(document.getElementsByTagName( |
| 139 | 0 | "PeerDownloadAuthentication").item(0).getAttributes() |
| 140 | .getNamedItem("value").getNodeValue()) | |
| 141 | 0 | : NetworkConnectionType.DSL; |
| 142 | 0 | |
| 143 | 0 | this.keyRingLocation = document.getElementsByTagName("KeyRingLocation") != null ? new File( |
| 144 | document.getElementsByTagName("KeyRingLocation").item(0) | |
| 145 | 0 | .getAttributes().getNamedItem("value").getNodeValue()) |
| 146 | 0 | : null; |
| 147 | 0 | |
| 148 | 0 | this.userLocation = document.getElementsByTagName("UserLocation") != null ? document |
| 149 | 0 | .getElementsByTagName("UserLocation").item(0).getAttributes() |
| 150 | 0 | .getNamedItem("value").getNodeValue() |
| 151 | 0 | : ""; |
| 152 | ||
| 153 | 0 | this.repository = new Repository(document); |
| 154 | 0 | |
| 155 | 0 | this.user = (User) UserFactory.newUser().fromXml(document); |
| 156 | 0 | return this; |
| 157 | 0 | } |
| 158 | ||
| 159 | 0 | /** |
| 160 | * This method writes to an XML document various configuration parameters of | |
| 161 | 0 | * JDBS. |
| 162 | * | |
| 163 | * @param document | |
| 164 | * An XML document that will contain a list of configuration | |
| 165 | * parameters for the JDBS. | |
| 166 | */ | |
| 167 | 0 | public Node toXml(Document document) { |
| 168 | 0 | Element configurationElement = document.createElement("JDBS"); |
| 169 | 0 | |
| 170 | 0 | Element defaultBackupSecurityLevelElement = document |
| 171 | 0 | .createElement("SecurityLevel"); |
| 172 | 0 | defaultBackupSecurityLevelElement.setAttribute("value", |
| 173 | 0 | this.defaultBackupSecurityLevel.toString()); |
| 174 | 0 | configurationElement.appendChild(defaultBackupSecurityLevelElement); |
| 175 | 0 | |
| 176 | 0 | Element peerDownloadAuthenticationElement = document |
| 177 | 0 | .createElement("PeerDownloadAuthentication"); |
| 178 | 0 | peerDownloadAuthenticationElement.setAttribute("value", "" |
| 179 | 0 | + this.enabledPeerDownloadAuthentication); |
| 180 | 0 | configurationElement.appendChild(peerDownloadAuthenticationElement); |
| 181 | ||
| 182 | 0 | Element networkConnectionTypeElement = document |
| 183 | .createElement("NetworkConnectionType"); | |
| 184 | 0 | networkConnectionTypeElement |
| 185 | .setAttribute("value", NetworkConnectionType | |
| 186 | 0 | .fromConnectionTypeToString(this.networkConnectionType)); |
| 187 | 0 | configurationElement.appendChild(networkConnectionTypeElement); |
| 188 | 0 | |
| 189 | 0 | Element keyRingLocationElement = document |
| 190 | 0 | .createElement("KeyRingLocation"); |
| 191 | 0 | keyRingLocationElement.setAttribute("value", "" + this.keyRingLocation); |
| 192 | 0 | configurationElement.appendChild(keyRingLocationElement); |
| 193 | 0 | |
| 194 | 0 | Element userLocationElement = document.createElement("UserLocation"); |
| 195 | 0 | userLocationElement.setAttribute("value", "" + this.userLocation); |
| 196 | 0 | configurationElement.appendChild(userLocationElement); |
| 197 | 0 | |
| 198 | 0 | configurationElement.appendChild(this.repository.toXml(document)); |
| 199 | 0 | |
| 200 | 0 | configurationElement.appendChild(this.user.toXml(document)); |
| 201 | ||
| 202 | 0 | return configurationElement; |
| 203 | ||
| 204 | } | |
| 205 | ||
| 206 | 0 | public static void loadConfiguration() { |
| 207 | try { | |
| 208 | 0 | logger.debug("Reading JDBS's Configuration File..."); |
| 209 | 0 | DocumentBuilderFactory factory = DocumentBuilderFactory |
| 210 | .newInstance(); | |
| 211 | 0 | factory.setIgnoringComments(true); |
| 212 | 0 | factory.setValidating(false); |
| 213 | 0 | factory.setIgnoringElementContentWhitespace(true); |
| 214 | 0 | DocumentBuilder docBuilder = factory.newDocumentBuilder(); |
| 215 | 0 | Document document = docBuilder.parse(new FileInputStream(new File( |
| 216 | JDBSConstant.JDBS_CONFIGURATION_FILE))); | |
| 217 | 0 | ConfigurationManager.getInstance().fromXml(document); |
| 218 | 0 | } catch (Exception ex) { |
| 219 | 0 | ex.printStackTrace(); |
| 220 | 0 | logger.fatal(ex.getMessage()); |
| 221 | 0 | System.exit(-1); |
| 222 | 0 | } |
| 223 | 0 | } |
| 224 | ||
| 225 | public static void saveConfiguration() { | |
| 226 | try { | |
| 227 | 0 | logger.debug("Writing the JDBS's configuration file..."); |
| 228 | 0 | // Write It! |
| 229 | 0 | Document doc = DocumentBuilderFactory.newInstance() |
| 230 | .newDocumentBuilder().newDocument(); | |
| 231 | 0 | doc.appendChild(ConfigurationManager.getInstance().toXml(doc)); |
| 232 | 0 | String fileName = new File(JDBSConstant.JDBS_CONFIGURATION_FILE) |
| 233 | .getAbsolutePath(); | |
| 234 | 0 | if (!fileName.endsWith(".xml")) |
| 235 | 0 | fileName += ".xml"; |
| 236 | 0 | Transformer transformer = TransformerFactory.newInstance() |
| 237 | .newTransformer(); | |
| 238 | 0 | DOMSource source = new DOMSource(doc); |
| 239 | 0 | StreamResult streamResult = new StreamResult(new PrintStream( |
| 240 | fileName)); | |
| 241 | 0 | transformer.transform(source, streamResult); |
| 242 | 0 | } catch (Exception ex) { |
| 243 | 0 | ex.printStackTrace(); |
| 244 | 0 | logger.fatal(ex.getMessage()); |
| 245 | 0 | System.exit(-1); |
| 246 | 0 | } |
| 247 | 0 | } |
| 248 | ||
| 249 | 0 | /** |
| 250 | * @return Returns the defaultBackupSecurityLevel. | |
| 251 | */ | |
| 252 | public SecurityLevel getDefaultBackupSecurityLevel() { | |
| 253 | 0 | return defaultBackupSecurityLevel; |
| 254 | } | |
| 255 | ||
| 256 | 0 | /** |
| 257 | 0 | * @param defaultBackupSecurityLevel |
| 258 | * The defaultBackupSecurityLevel to set. | |
| 259 | */ | |
| 260 | public void setDefaultBackupSecurityLevel( | |
| 261 | SecurityLevel defaultBackupSecurityLevel) { | |
| 262 | 0 | this.defaultBackupSecurityLevel = defaultBackupSecurityLevel; |
| 263 | 0 | } |
| 264 | ||
| 265 | /** | |
| 266 | * @return Returns the keyRingLocation. | |
| 267 | */ | |
| 268 | public File getKeyRingLocation() { | |
| 269 | 0 | return keyRingLocation; |
| 270 | 0 | } |
| 271 | 0 | |
| 272 | /** | |
| 273 | * @param keyRingLocation | |
| 274 | * The keyRingLocation to set. | |
| 275 | */ | |
| 276 | public void setKeyRingLocation(File keyRingLocation) { | |
| 277 | 0 | this.keyRingLocation = keyRingLocation; |
| 278 | 0 | } |
| 279 | ||
| 280 | /** | |
| 281 | * @return Returns the userLocation. | |
| 282 | */ | |
| 283 | public String getUserLocation() { | |
| 284 | 0 | return userLocation; |
| 285 | 0 | } |
| 286 | ||
| 287 | /** | |
| 288 | * @param userLocation | |
| 289 | * The userLocation to set. | |
| 290 | */ | |
| 291 | public void setUserLocation(String userLocation) { | |
| 292 | 0 | this.userLocation = userLocation; |
| 293 | 0 | } |
| 294 | ||
| 295 | /** | |
| 296 | * @return Returns the user. | |
| 297 | */ | |
| 298 | public User getUser() { | |
| 299 | 0 | return user; |
| 300 | } | |
| 301 | ||
| 302 | /** | |
| 303 | * @param user | |
| 304 | * The user to set. | |
| 305 | */ | |
| 306 | public void setUser(User user) { | |
| 307 | 0 | this.user = user; |
| 308 | 0 | } |
| 309 | ||
| 310 | /** | |
| 311 | * @return Returns the enabledPeerDownloadAuthentication. | |
| 312 | */ | |
| 313 | public boolean isEnabledPeerDownloadAuthentication() { | |
| 314 | 0 | return enabledPeerDownloadAuthentication; |
| 315 | } | |
| 316 | ||
| 317 | /** | |
| 318 | * @param enabledPeerDownloadAuthentication | |
| 319 | * The enabledPeerDownloadAuthentication to set. | |
| 320 | */ | |
| 321 | public void setEnabledPeerDownloadAuthentication( | |
| 322 | boolean enabledPeerDownloadAuthentication) { | |
| 323 | 0 | this.enabledPeerDownloadAuthentication = enabledPeerDownloadAuthentication; |
| 324 | 0 | } |
| 325 | ||
| 326 | /** | |
| 327 | * @return Returns the networkConnectionType. | |
| 328 | */ | |
| 329 | public NetworkConnectionType getNetworkConnectionType() { | |
| 330 | 0 | return networkConnectionType; |
| 331 | } | |
| 332 | ||
| 333 | /** | |
| 334 | * @param networkConnectionType | |
| 335 | * The networkConnectionType to set. | |
| 336 | */ | |
| 337 | public void setNetworkConnectionType( | |
| 338 | NetworkConnectionType networkConnectionType) { | |
| 339 | 0 | this.networkConnectionType = networkConnectionType; |
| 340 | 0 | } |
| 341 | ||
| 342 | } |
|
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