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.StreamCopier;
  41 import de.todesbaum.util.xml.SimpleXML;
  42 import de.todesbaum.util.xml.XML;
  43
  44 /**
  45  * @author David ‘Bombe’ Roden &lt;bombe@freenetproject.org&gt;
  46  */
  47 public class Configuration {
  48
  49         private String filename;
  50         private String lockFilename;
  51         private SimpleXML rootNode;
  52
  53         public Configuration() {
  54                 this(System.getProperty("user.home") + "/.jSite/config7");
  55         }
  56
  57         public Configuration(String filename) {
  58                 this(filename, filename + ".lock");
  59         }
  60
  61         public Configuration(String filename, String lockFilename) {
  62                 this.filename = filename;
  63                 this.lockFilename = lockFilename;
  64                 readConfiguration();
  65         }
  66
  67         private boolean createConfigDirectory() {
  68                 File configDirectory = new File(filename).getAbsoluteFile().getParentFile();
  69                 return (configDirectory.exists() && configDirectory.isDirectory()) || configDirectory.mkdirs();
  70         }
  71
  72         public boolean createLockFile() {
  73                 if (!createConfigDirectory()) {
  74                         return false;
  75                 }
  76                 File lockFile = new File(lockFilename);
  77                 lockFile.deleteOnExit();
  78                 try {
  79                         return lockFile.createNewFile();
  80                 } catch (IOException e) {
  81                 }
  82                 return false;
  83         }
  84
  85         private void readConfiguration() {
  86                 File configurationFile = new File(filename);
  87                 if (configurationFile.exists()) {
  88                         ByteArrayOutputStream fileByteOutputStream = null;
  89                         FileInputStream fileInputStream = null;
  90                         try {
  91                                 fileByteOutputStream = new ByteArrayOutputStream();
  92                                 fileInputStream = new FileInputStream(configurationFile);
  93                                 StreamCopier.copy(fileInputStream, fileByteOutputStream, configurationFile.length());
  94                                 fileByteOutputStream.close();
  95                                 byte[] fileBytes = fileByteOutputStream.toByteArray();
  96                                 rootNode = SimpleXML.fromDocument(XML.transformToDocument(fileBytes));
  97                                 return;
  98                         } catch (FileNotFoundException e) {
  99                         } catch (IOException e) {
 100                         } finally {
 101                                 if (fileInputStream != null) {
 102                                         try {
 103                                                 fileInputStream.close();
 104                                         } catch (IOException ioe1) {
 105                                         }
 106                                 }
 107                                 if (fileByteOutputStream != null) {
 108                                         try {
 109                                                 fileByteOutputStream.close();
 110                                         } catch (IOException ioe1) {
 111                                         }
 112                                 }
 113                         }
 114                 }
 115                 rootNode = new SimpleXML("configuration");
 116         }
 117
 118         public boolean save() {
 119                 File configurationFile = new File(filename);
 120                 if (!configurationFile.exists()) {
 121                         File configurationFilePath = configurationFile.getAbsoluteFile().getParentFile();
 122                         if (!configurationFilePath.exists() && !configurationFilePath.mkdirs()) {
 123                                 return false;
 124                         }
 125                 }
 126                 FileOutputStream fileOutputStream = null;
 127                 ByteArrayInputStream configurationInputStream = null;
 128                 try {
 129                         byte[] configurationBytes = XML.transformToByteArray(rootNode.getDocument());
 130                         configurationInputStream = new ByteArrayInputStream(configurationBytes);
 131                         fileOutputStream = new FileOutputStream(configurationFile);
 132                         StreamCopier.copy(configurationInputStream, fileOutputStream, configurationBytes.length);
 133                         return true;
 134                 } catch (IOException ioe1) {
 135                 } finally {
 136                         if (configurationInputStream != null) {
 137                                 try {
 138                                         configurationInputStream.close();
 139                                 } catch (IOException ioe1) {
 140                                 }
 141                         }
 142                         if (fileOutputStream != null) {
 143                                 try {
 144                                         fileOutputStream.close();
 145                                 } catch (IOException ioe1) {
 146                                 }
 147                         }
 148                 }
 149                 return false;
 150         }
 151
 152         private String getNodeValue(String[] nodeNames, String defaultValue) {
 153                 SimpleXML node = rootNode;
 154                 int nodeIndex = 0;
 155                 while ((node != null) && (nodeIndex < nodeNames.length)) {
 156                         node = node.getNode(nodeNames[nodeIndex++]);
 157                 }
 158                 if (node == null) {
 159                         return defaultValue;
 160                 }
 161                 return node.getValue();
 162         }
 163
 164         private int getNodeIntValue(String[] nodeNames, int defaultValue) {
 165                 try {
 166                         return Integer.parseInt(getNodeValue(nodeNames, String.valueOf(defaultValue)));
 167                 } catch (NumberFormatException nfe1) {
 168                 }
 169                 return defaultValue;
 170         }
 171
 172         private boolean getNodeBooleanValue(String[] nodeNames, boolean defaultValue) {
 173                 String nodeValue = getNodeValue(nodeNames, null);
 174                 if (nodeValue == null) {
 175                         return defaultValue;
 176                 }
 177                 return Boolean.parseBoolean(nodeValue);
 178         }
 179
 180         /**
 181          * Returns the hostname of the node.
 182          * @return The hostname of the node
 183          * @deprecated Use {@link #getSelectedNode()} instead
 184          */
 185         @Deprecated
 186         public String getNodeAddress() {
 187                 return getNodeValue(new String[] { "node-address" }, "localhost");
 188         }
 189
 190         /**
 191          * Sets the hostname of the node.
 192          * @param nodeAddress The hostname of the node
 193          * @deprecated Use {@link #setSelectedNode(Node)} instead
 194          */
 195         @Deprecated
 196         public void setNodeAddress(String nodeAddress) {
 197                 rootNode.replace("node-address", nodeAddress);
 198         }
 199
 200         /**
 201          * The port number of the node
 202          * @return The port number of the node
 203          * @deprecated Use {@link #getSelectedNode()} instead.
 204          */
 205         @Deprecated
 206         public int getNodePort() {
 207                 return getNodeIntValue(new String[] { "node-port" }, 9481);
 208         }
 209
 210         /**
 211          * Sets the port number of the node.
 212          * @param nodePort The port number of the node
 213          * @deprecated Use {@link #setSelectedNode(Node)} instead
 214          */
 215         @Deprecated
 216         public void setNodePort(int nodePort) {
 217                 rootNode.replace("node-port", String.valueOf(nodePort));
 218         }
 219
 220         public boolean isSkipNodePage() {
 221                 return getNodeBooleanValue(new String[] { "skip-node-page" }, false);
 222         }
 223
 224         public void setSkipNodePage(boolean skipNodePage) {
 225                 rootNode.replace("skip-node-page", String.valueOf(skipNodePage));
 226         }
 227
 228         public Project[] getProjects() {
 229                 List<Project> projects = new ArrayList<Project>();
 230                 SimpleXML projectsNode = rootNode.getNode("project-list");
 231                 if (projectsNode != null) {
 232                         SimpleXML[] projectNodes = projectsNode.getNodes("project");
 233                         for (SimpleXML projectNode: projectNodes) {
 234                                 try {
 235                                         Project project = new Project();
 236                                         projects.add(project);
 237                                         project.setDescription(projectNode.getNode("description").getValue());
 238                                         project.setIndexFile(projectNode.getNode("index-file").getValue());
 239                                         project.setLastInsertionTime(Long.parseLong(projectNode.getNode("last-insertion-time").getValue()));
 240                                         project.setLocalPath(projectNode.getNode("local-path").getValue());
 241                                         project.setName(projectNode.getNode("name").getValue());
 242                                         project.setPath(projectNode.getNode("path").getValue());
 243                                         if ((project.getPath() != null) && (project.getPath().indexOf("/") != -1)) {
 244                                                 project.setPath(project.getPath().replaceAll("/", ""));
 245                                         }
 246                                         project.setEdition(Integer.parseInt(projectNode.getNode("edition").getValue()));
 247                                         project.setInsertURI(projectNode.getNode("insert-uri").getValue());
 248                                         project.setRequestURI(projectNode.getNode("request-uri").getValue());
 249                                         SimpleXML fileOptionsNode = projectNode.getNode("file-options");
 250                                         Map<String, FileOption> fileOptions = new HashMap<String, FileOption>();
 251                                         if (fileOptionsNode != null) {
 252                                                 SimpleXML[] fileOptionNodes = fileOptionsNode.getNodes("file-option");
 253                                                 for (SimpleXML fileOptionNode: fileOptionNodes) {
 254                                                         String filename = fileOptionNode.getNode("filename").getValue();
 255                                                         FileOption fileOption = project.getFileOption(filename);
 256                                                         fileOption.setInsert(Boolean.parseBoolean(fileOptionNode.getNode("insert").getValue()));
 257                                                         fileOption.setCustomKey(fileOptionNode.getNode("custom-key").getValue());
 258                                                         fileOption.setMimeType(fileOptionNode.getNode("mime-type").getValue());
 259                                                         fileOption.setContainer(fileOptionNode.getNode("container").getValue());
 260                                                         if (fileOptionNode.getNode("replace-edition") != null) {
 261                                                                 fileOption.setReplaceEdition(Boolean.parseBoolean(fileOptionNode.getNode("replace-edition").getValue()));
 262                                                                 fileOption.setEditionRange(Integer.parseInt(fileOptionNode.getNode("edition-range").getValue()));
 263                                                         }
 264                                                         fileOptions.put(filename, fileOption);
 265                                                 }
 266                                         }
 267                                         project.setFileOptions(fileOptions);
 268                                 } catch (NumberFormatException nfe1) {
 269                                         nfe1.printStackTrace();
 270                                 }
 271                         }
 272                 }
 273                 return projects.toArray(new Project[projects.size()]);
 274         }
 275
 276         public void setProjects(Project[] projects) {
 277                 SimpleXML projectsNode = new SimpleXML("project-list");
 278                 for (Project project: projects) {
 279                         SimpleXML projectNode = projectsNode.append("project");
 280                         projectNode.append("edition", String.valueOf(project.getEdition()));
 281                         projectNode.append("description", project.getDescription());
 282                         projectNode.append("index-file", project.getIndexFile());
 283                         projectNode.append("last-insertion-time", String.valueOf(project.getLastInsertionTime()));
 284                         projectNode.append("local-path", project.getLocalPath());
 285                         projectNode.append("name", project.getName());
 286                         projectNode.append("path", project.getPath());
 287                         projectNode.append("insert-uri", project.getInsertURI());
 288                         projectNode.append("request-uri", project.getRequestURI());
 289                         SimpleXML fileOptionsNode = projectNode.append("file-options");
 290                         Iterator<Entry<String, FileOption>> entries = project.getFileOptions().entrySet().iterator();
 291                         while (entries.hasNext()) {
 292                                 Entry<String, FileOption> entry = entries.next();
 293                                 FileOption fileOption = entry.getValue();
 294                                 if (fileOption.isCustom()) {
 295                                         SimpleXML fileOptionNode = fileOptionsNode.append("file-option");
 296                                         fileOptionNode.append("filename", entry.getKey());
 297                                         fileOptionNode.append("insert", String.valueOf(fileOption.isInsert()));
 298                                         fileOptionNode.append("custom-key", fileOption.getCustomKey());
 299                                         fileOptionNode.append("mime-type", fileOption.getMimeType());
 300                                         fileOptionNode.append("container", fileOption.getContainer());
 301                                         fileOptionNode.append("replace-edition", String.valueOf(fileOption.getReplaceEdition()));
 302                                         fileOptionNode.append("edition-range", String.valueOf(fileOption.getEditionRange()));
 303                                 }
 304                         }
 305                 }
 306                 rootNode.replace(projectsNode);
 307         }
 308
 309         public Locale getLocale() {
 310                 String language = getNodeValue(new String[] { "i18n", "language" }, "en");
 311                 String country = getNodeValue(new String[] { "i18n", "country" }, null);
 312                 if (country != null) {
 313                         return new Locale(language, country);
 314                 }
 315                 return new Locale(language);
 316         }
 317
 318         public void setLocale(Locale locale) {
 319                 SimpleXML i18nNode = new SimpleXML("i18n");
 320                 if (locale.getCountry().length() != 0) {
 321                         i18nNode.append("country", locale.getCountry());
 322                 }
 323                 i18nNode.append("language", locale.getLanguage());
 324                 rootNode.replace(i18nNode);
 325                 return;
 326         }
 327
 328         public Node[] getNodes() {
 329                 SimpleXML nodesNode = rootNode.getNode("nodes");
 330                 if (nodesNode == null) {
 331                         String hostname = getNodeAddress();
 332                         int port = getNodePort();
 333                         if (hostname == null) {
 334                                 hostname = "127.0.0.1";
 335                                 port = 9481;
 336                         }
 337                         return new Node[] { new Node(hostname, port, "Node") };
 338                 }
 339                 SimpleXML[] nodeNodes = nodesNode.getNodes("node");
 340                 Node[] returnNodes = new Node[nodeNodes.length];
 341                 int nodeIndex = 0;
 342                 for (SimpleXML nodeNode: nodeNodes) {
 343                         String name = nodeNode.getNode("name").getValue();
 344                         String hostname = nodeNode.getNode("hostname").getValue();
 345                         int port = Integer.parseInt(nodeNode.getNode("port").getValue());
 346                         Node node = new Node(hostname, port, name);
 347                         returnNodes[nodeIndex++] = node;
 348                 }
 349                 return returnNodes;
 350         }
 351
 352         public void setNodes(Node[] nodes) {
 353                 SimpleXML nodesNode = new SimpleXML("nodes");
 354                 for (Node node: nodes) {
 355                         SimpleXML nodeNode = nodesNode.append("node");
 356                         nodeNode.append("name", node.getName());
 357                         nodeNode.append("hostname", node.getHostname());
 358                         nodeNode.append("port", String.valueOf(node.getPort()));
 359                 }
 360                 rootNode.replace(nodesNode);
 361                 rootNode.remove("node-address");
 362                 rootNode.remove("node-port");
 363         }
 364
 365         public void setSelectedNode(Node selectedNode) {
 366                 SimpleXML selectedNodeNode = new SimpleXML("selected-node");
 367                 selectedNodeNode.append("name", selectedNode.getName());
 368                 selectedNodeNode.append("hostname", selectedNode.getHostname());
 369                 selectedNodeNode.append("port", String.valueOf(selectedNode.getPort()));
 370                 rootNode.replace(selectedNodeNode);
 371         }
 372
 373         public Node getSelectedNode() {
 374                 SimpleXML selectedNodeNode = rootNode.getNode("selected-node");
 375                 if (selectedNodeNode == null) {
 376                         String hostname = getNodeAddress();
 377                         int port = getNodePort();
 378                         if (hostname == null) {
 379                                 hostname = "127.0.0.1";
 380                                 port = 9481;
 381                         }
 382                         return new Node(hostname, port, "Node");
 383                 }
 384                 String name = selectedNodeNode.getNode("name").getValue();
 385                 String hostname = selectedNodeNode.getNode("hostname").getValue();
 386                 int port = Integer.valueOf(selectedNodeNode.getNode("port").getValue());
 387                 return new Node(hostname, port, name);
 388         }
 389
 390 }