src/de/todesbaum/jsite/main/Configuration.java

   1 /*
   2  * jSite - a tool for uploading websites into Freenet
   3  * Copyright (C) 2006 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 de.todesbaum.jsite.main;
  21
  22 import java.io.ByteArrayInputStream;
  23 import java.io.ByteArrayOutputStream;
  24 import java.io.File;
  25 import java.io.FileInputStream;
  26 import java.io.FileNotFoundException;
  27 import java.io.FileOutputStream;
  28 import java.io.IOException;
  29 import java.util.ArrayList;
  30 import java.util.HashMap;
  31 import java.util.Iterator;
  32 import java.util.List;
  33 import java.util.Locale;
  34 import java.util.Map;
  35 import java.util.Map.Entry;
  36
  37 import de.todesbaum.jsite.application.FileOption;
  38 import de.todesbaum.jsite.application.Node;
  39 import de.todesbaum.jsite.application.Project;
  40 import de.todesbaum.util.io.Closer;
  41 import de.todesbaum.util.io.StreamCopier;
  42 import de.todesbaum.util.xml.SimpleXML;
  43 import de.todesbaum.util.xml.XML;
  44
  45 /**
  46  * @author David ‘Bombe’ Roden &lt;bombe@freenetproject.org&gt;
  47  */
  48 public class Configuration {
  49
  50         private String filename;
  51         private String lockFilename;
  52         private SimpleXML rootNode;
  53
  54         public Configuration() {
  55                 this(System.getProperty("user.home") + "/.jSite/config7");
  56         }
  57
  58         public Configuration(String filename) {
  59                 this(filename, filename + ".lock");
  60         }
  61
  62         public Configuration(String filename, String lockFilename) {
  63                 this.filename = filename;
  64                 this.lockFilename = lockFilename;
  65                 readConfiguration();
  66         }
  67
  68         private boolean createConfigDirectory() {
  69                 File configDirectory = new File(filename).getAbsoluteFile().getParentFile();
  70                 return (configDirectory.exists() && configDirectory.isDirectory()) || configDirectory.mkdirs();
  71         }
  72
  73         public boolean createLockFile() {
  74                 if (!createConfigDirectory()) {
  75                         return false;
  76                 }
  77                 File lockFile = new File(lockFilename);
  78                 lockFile.deleteOnExit();
  79                 try {
  80                         return lockFile.createNewFile();
  81                 } catch (IOException e) {
  82                 }
  83                 return false;
  84         }
  85
  86         private void readConfiguration() {
  87                 File configurationFile = new File(filename);
  88                 if (configurationFile.exists()) {
  89                         ByteArrayOutputStream fileByteOutputStream = null;
  90                         FileInputStream fileInputStream = null;
  91                         try {
  92                                 fileByteOutputStream = new ByteArrayOutputStream();
  93                                 fileInputStream = new FileInputStream(configurationFile);
  94                                 StreamCopier.copy(fileInputStream, fileByteOutputStream, configurationFile.length());
  95                                 fileByteOutputStream.close();
  96                                 byte[] fileBytes = fileByteOutputStream.toByteArray();
  97                                 rootNode = SimpleXML.fromDocument(XML.transformToDocument(fileBytes));
  98                                 return;
  99                         } catch (FileNotFoundException e) {
 100                         } catch (IOException e) {
 101                         } finally {
 102                                 Closer.close(fileInputStream);
 103                                 Closer.close(fileByteOutputStream);
 104                         }
 105                 }
 106                 rootNode = new SimpleXML("configuration");
 107         }
 108
 109         public boolean save() {
 110                 File configurationFile = new File(filename);
 111                 if (!configurationFile.exists()) {
 112                         File configurationFilePath = configurationFile.getAbsoluteFile().getParentFile();
 113                         if (!configurationFilePath.exists() && !configurationFilePath.mkdirs()) {
 114                                 return false;
 115                         }
 116                 }
 117                 FileOutputStream fileOutputStream = null;
 118                 ByteArrayInputStream configurationInputStream = null;
 119                 try {
 120                         byte[] configurationBytes = XML.transformToByteArray(rootNode.getDocument());
 121                         configurationInputStream = new ByteArrayInputStream(configurationBytes);
 122                         fileOutputStream = new FileOutputStream(configurationFile);
 123                         StreamCopier.copy(configurationInputStream, fileOutputStream, configurationBytes.length);
 124                         return true;
 125                 } catch (IOException ioe1) {
 126                 } finally {
 127                         Closer.close(configurationInputStream);
 128                         Closer.close(fileOutputStream);
 129                 }
 130                 return false;
 131         }
 132
 133         private String getNodeValue(String[] nodeNames, String defaultValue) {
 134                 SimpleXML node = rootNode;
 135                 int nodeIndex = 0;
 136                 while ((node != null) && (nodeIndex < nodeNames.length)) {
 137                         node = node.getNode(nodeNames[nodeIndex++]);
 138                 }
 139                 if (node == null) {
 140                         return defaultValue;
 141                 }
 142                 return node.getValue();
 143         }
 144
 145         private int getNodeIntValue(String[] nodeNames, int defaultValue) {
 146                 try {
 147                         return Integer.parseInt(getNodeValue(nodeNames, String.valueOf(defaultValue)));
 148                 } catch (NumberFormatException nfe1) {
 149                 }
 150                 return defaultValue;
 151         }
 152
 153         private boolean getNodeBooleanValue(String[] nodeNames, boolean defaultValue) {
 154                 String nodeValue = getNodeValue(nodeNames, null);
 155                 if (nodeValue == null) {
 156                         return defaultValue;
 157                 }
 158                 return Boolean.parseBoolean(nodeValue);
 159         }
 160
 161         /**
 162          * Returns the hostname of the node.
 163          * @return The hostname of the node
 164          * @deprecated Use {@link #getSelectedNode()} instead
 165          */
 166         @Deprecated
 167         public String getNodeAddress() {
 168                 return getNodeValue(new String[] { "node-address" }, "localhost");
 169         }
 170
 171         /**
 172          * Sets the hostname of the node.
 173          * @param nodeAddress The hostname of the node
 174          * @deprecated Use {@link #setSelectedNode(Node)} instead
 175          */
 176         @Deprecated
 177         public void setNodeAddress(String nodeAddress) {
 178                 rootNode.replace("node-address", nodeAddress);
 179         }
 180
 181         /**
 182          * The port number of the node
 183          * @return The port number of the node
 184          * @deprecated Use {@link #getSelectedNode()} instead.
 185          */
 186         @Deprecated
 187         public int getNodePort() {
 188                 return getNodeIntValue(new String[] { "node-port" }, 9481);
 189         }
 190
 191         /**
 192          * Sets the port number of the node.
 193          * @param nodePort The port number of the node
 194          * @deprecated Use {@link #setSelectedNode(Node)} instead
 195          */
 196         @Deprecated
 197         public void setNodePort(int nodePort) {
 198                 rootNode.replace("node-port", String.valueOf(nodePort));
 199         }
 200
 201         public boolean isSkipNodePage() {
 202                 return getNodeBooleanValue(new String[] { "skip-node-page" }, false);
 203         }
 204
 205         public void setSkipNodePage(boolean skipNodePage) {
 206                 rootNode.replace("skip-node-page", String.valueOf(skipNodePage));
 207         }
 208
 209         public Project[] getProjects() {
 210                 List<Project> projects = new ArrayList<Project>();
 211                 SimpleXML projectsNode = rootNode.getNode("project-list");
 212                 if (projectsNode != null) {
 213                         SimpleXML[] projectNodes = projectsNode.getNodes("project");
 214                         for (SimpleXML projectNode: projectNodes) {
 215                                 try {
 216                                         Project project = new Project();
 217                                         projects.add(project);
 218                                         project.setDescription(projectNode.getNode("description").getValue());
 219                                         project.setIndexFile(projectNode.getNode("index-file").getValue());
 220                                         project.setLastInsertionTime(Long.parseLong(projectNode.getNode("last-insertion-time").getValue()));
 221                                         project.setLocalPath(projectNode.getNode("local-path").getValue());
 222                                         project.setName(projectNode.getNode("name").getValue());
 223                                         project.setPath(projectNode.getNode("path").getValue());
 224                                         if ((project.getPath() != null) && (project.getPath().indexOf("/") != -1)) {
 225                                                 project.setPath(project.getPath().replaceAll("/", ""));
 226                                         }
 227                                         project.setEdition(Integer.parseInt(projectNode.getNode("edition").getValue()));
 228                                         project.setInsertURI(projectNode.getNode("insert-uri").getValue());
 229                                         project.setRequestURI(projectNode.getNode("request-uri").getValue());
 230                                         SimpleXML fileOptionsNode = projectNode.getNode("file-options");
 231                                         Map<String, FileOption> fileOptions = new HashMap<String, FileOption>();
 232                                         if (fileOptionsNode != null) {
 233                                                 SimpleXML[] fileOptionNodes = fileOptionsNode.getNodes("file-option");
 234                                                 for (SimpleXML fileOptionNode: fileOptionNodes) {
 235                                                         String filename = fileOptionNode.getNode("filename").getValue();
 236                                                         FileOption fileOption = project.getFileOption(filename);
 237                                                         fileOption.setInsert(Boolean.parseBoolean(fileOptionNode.getNode("insert").getValue()));
 238                                                         fileOption.setCustomKey(fileOptionNode.getNode("custom-key").getValue());
 239                                                         fileOption.setMimeType(fileOptionNode.getNode("mime-type").getValue());
 240                                                         fileOption.setContainer(fileOptionNode.getNode("container").getValue());
 241                                                         if (fileOptionNode.getNode("replace-edition") != null) {
 242                                                                 fileOption.setReplaceEdition(Boolean.parseBoolean(fileOptionNode.getNode("replace-edition").getValue()));
 243                                                                 fileOption.setEditionRange(Integer.parseInt(fileOptionNode.getNode("edition-range").getValue()));
 244                                                         }
 245                                                         fileOptions.put(filename, fileOption);
 246                                                 }
 247                                         }
 248                                         project.setFileOptions(fileOptions);
 249                                 } catch (NumberFormatException nfe1) {
 250                                         nfe1.printStackTrace();
 251                                 }
 252                         }
 253                 }
 254                 return projects.toArray(new Project[projects.size()]);
 255         }
 256
 257         public void setProjects(Project[] projects) {
 258                 SimpleXML projectsNode = new SimpleXML("project-list");
 259                 for (Project project: projects) {
 260                         SimpleXML projectNode = projectsNode.append("project");
 261                         projectNode.append("edition", String.valueOf(project.getEdition()));
 262                         projectNode.append("description", project.getDescription());
 263                         projectNode.append("index-file", project.getIndexFile());
 264                         projectNode.append("last-insertion-time", String.valueOf(project.getLastInsertionTime()));
 265                         projectNode.append("local-path", project.getLocalPath());
 266                         projectNode.append("name", project.getName());
 267                         projectNode.append("path", project.getPath());
 268                         projectNode.append("insert-uri", project.getInsertURI());
 269                         projectNode.append("request-uri", project.getRequestURI());
 270                         SimpleXML fileOptionsNode = projectNode.append("file-options");
 271                         Iterator<Entry<String, FileOption>> entries = project.getFileOptions().entrySet().iterator();
 272                         while (entries.hasNext()) {
 273                                 Entry<String, FileOption> entry = entries.next();
 274                                 FileOption fileOption = entry.getValue();
 275                                 if (fileOption.isCustom()) {
 276                                         SimpleXML fileOptionNode = fileOptionsNode.append("file-option");
 277                                         fileOptionNode.append("filename", entry.getKey());
 278                                         fileOptionNode.append("insert", String.valueOf(fileOption.isInsert()));
 279                                         fileOptionNode.append("custom-key", fileOption.getCustomKey());
 280                                         fileOptionNode.append("mime-type", fileOption.getMimeType());
 281                                         fileOptionNode.append("container", fileOption.getContainer());
 282                                         fileOptionNode.append("replace-edition", String.valueOf(fileOption.getReplaceEdition()));
 283                                         fileOptionNode.append("edition-range", String.valueOf(fileOption.getEditionRange()));
 284                                 }
 285                         }
 286                 }
 287                 rootNode.replace(projectsNode);
 288         }
 289
 290         public Locale getLocale() {
 291                 String language = getNodeValue(new String[] { "i18n", "language" }, "en");
 292                 String country = getNodeValue(new String[] { "i18n", "country" }, null);
 293                 if (country != null) {
 294                         return new Locale(language, country);
 295                 }
 296                 return new Locale(language);
 297         }
 298
 299         public void setLocale(Locale locale) {
 300                 SimpleXML i18nNode = new SimpleXML("i18n");
 301                 if (locale.getCountry().length() != 0) {
 302                         i18nNode.append("country", locale.getCountry());
 303                 }
 304                 i18nNode.append("language", locale.getLanguage());
 305                 rootNode.replace(i18nNode);
 306                 return;
 307         }
 308
 309         public Node[] getNodes() {
 310                 SimpleXML nodesNode = rootNode.getNode("nodes");
 311                 if (nodesNode == null) {
 312                         String hostname = getNodeAddress();
 313                         int port = getNodePort();
 314                         if (hostname == null) {
 315                                 hostname = "127.0.0.1";
 316                                 port = 9481;
 317                         }
 318                         return new Node[] { new Node(hostname, port, "Node") };
 319                 }
 320                 SimpleXML[] nodeNodes = nodesNode.getNodes("node");
 321                 Node[] returnNodes = new Node[nodeNodes.length];
 322                 int nodeIndex = 0;
 323                 for (SimpleXML nodeNode: nodeNodes) {
 324                         String name = nodeNode.getNode("name").getValue();
 325                         String hostname = nodeNode.getNode("hostname").getValue();
 326                         int port = Integer.parseInt(nodeNode.getNode("port").getValue());
 327                         Node node = new Node(hostname, port, name);
 328                         returnNodes[nodeIndex++] = node;
 329                 }
 330                 return returnNodes;
 331         }
 332
 333         public void setNodes(Node[] nodes) {
 334                 SimpleXML nodesNode = new SimpleXML("nodes");
 335                 for (Node node: nodes) {
 336                         SimpleXML nodeNode = nodesNode.append("node");
 337                         nodeNode.append("name", node.getName());
 338                         nodeNode.append("hostname", node.getHostname());
 339                         nodeNode.append("port", String.valueOf(node.getPort()));
 340                 }
 341                 rootNode.replace(nodesNode);
 342                 rootNode.remove("node-address");
 343                 rootNode.remove("node-port");
 344         }
 345
 346         public void setSelectedNode(Node selectedNode) {
 347                 SimpleXML selectedNodeNode = new SimpleXML("selected-node");
 348                 selectedNodeNode.append("name", selectedNode.getName());
 349                 selectedNodeNode.append("hostname", selectedNode.getHostname());
 350                 selectedNodeNode.append("port", String.valueOf(selectedNode.getPort()));
 351                 rootNode.replace(selectedNodeNode);
 352         }
 353
 354         public Node getSelectedNode() {
 355                 SimpleXML selectedNodeNode = rootNode.getNode("selected-node");
 356                 if (selectedNodeNode == null) {
 357                         String hostname = getNodeAddress();
 358                         int port = getNodePort();
 359                         if (hostname == null) {
 360                                 hostname = "127.0.0.1";
 361                                 port = 9481;
 362                         }
 363                         return new Node(hostname, port, "Node");
 364                 }
 365                 String name = selectedNodeNode.getNode("name").getValue();
 366                 String hostname = selectedNodeNode.getNode("hostname").getValue();
 367                 int port = Integer.valueOf(selectedNodeNode.getNode("port").getValue());
 368                 return new Node(hostname, port, name);
 369         }
 370
 371 }