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.EditionProject;
  38 import de.todesbaum.jsite.application.FileOption;
  39 import de.todesbaum.jsite.application.Node;
  40 import de.todesbaum.jsite.application.Project;
  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 Roden &lt;droden@gmail.com&gt;
  47  * @version $Id$
  48  */
  49 public class Configuration {
  50
  51         private String filename;
  52         private String lockFilename;
  53         private SimpleXML rootNode;
  54
  55         public Configuration() {
  56                 this(System.getProperty("user.home") + "/.jSite/config7");
  57         }
  58
  59         public Configuration(String filename) {
  60                 this(filename, filename + ".lock");
  61         }
  62
  63         public Configuration(String filename, String lockFilename) {
  64                 this.filename = filename;
  65                 this.lockFilename = lockFilename;
  66                 readConfiguration();
  67         }
  68
  69         private boolean createConfigDirectory() {
  70                 File configDirectory = new File(filename).getAbsoluteFile().getParentFile();
  71                 return (configDirectory.exists() && configDirectory.isDirectory()) || configDirectory.mkdirs();
  72         }
  73
  74         public boolean createLockFile() {
  75                 if (!createConfigDirectory()) {
  76                         return false;
  77                 }
  78                 File lockFile = new File(lockFilename);
  79                 lockFile.deleteOnExit();
  80                 try {
  81                         return lockFile.createNewFile();
  82                 } catch (IOException e) {
  83                 }
  84                 return false;
  85         }
  86
  87         private void readConfiguration() {
  88                 File configurationFile = new File(filename);
  89                 if (configurationFile.exists()) {
  90                         ByteArrayOutputStream fileByteOutputStream = null;
  91                         FileInputStream fileInputStream = null;
  92                         try {
  93                                 fileByteOutputStream = new ByteArrayOutputStream();
  94                                 fileInputStream = new FileInputStream(configurationFile);
  95                                 StreamCopier.copy(fileInputStream, fileByteOutputStream, configurationFile.length());
  96                                 fileByteOutputStream.close();
  97                                 byte[] fileBytes = fileByteOutputStream.toByteArray();
  98                                 rootNode = SimpleXML.fromDocument(XML.transformToDocument(fileBytes));
  99                                 return;
 100                         } catch (FileNotFoundException e) {
 101                         } catch (IOException e) {
 102                         } finally {
 103                                 if (fileInputStream != null) {
 104                                         try {
 105                                                 fileInputStream.close();
 106                                         } catch (IOException ioe1) {
 107                                         }
 108                                 }
 109                                 if (fileByteOutputStream != null) {
 110                                         try {
 111                                                 fileByteOutputStream.close();
 112                                         } catch (IOException ioe1) {
 113                                         }
 114                                 }
 115                         }
 116                 }
 117                 rootNode = new SimpleXML("configuration");
 118         }
 119
 120         public boolean save() {
 121                 File configurationFile = new File(filename);
 122                 if (!configurationFile.exists()) {
 123                         File configurationFilePath = configurationFile.getAbsoluteFile().getParentFile();
 124                         if (!configurationFilePath.exists() && !configurationFilePath.mkdirs()) {
 125                                 return false;
 126                         }
 127                 }
 128                 FileOutputStream fileOutputStream = null;
 129                 ByteArrayInputStream configurationInputStream = null;
 130                 try {
 131                         byte[] configurationBytes = XML.transformToByteArray(rootNode.getDocument());
 132                         configurationInputStream = new ByteArrayInputStream(configurationBytes);
 133                         fileOutputStream = new FileOutputStream(configurationFile);
 134                         StreamCopier.copy(configurationInputStream, fileOutputStream, configurationBytes.length);
 135                         return true;
 136                 } catch (IOException ioe1) {
 137                 } finally {
 138                         if (configurationInputStream != null) {
 139                                 try {
 140                                         configurationInputStream.close();
 141                                 } catch (IOException ioe1) {
 142                                 }
 143                         }
 144                         if (fileOutputStream != null) {
 145                                 try {
 146                                         fileOutputStream.close();
 147                                 } catch (IOException ioe1) {
 148                                 }
 149                         }
 150                 }
 151                 return false;
 152         }
 153
 154         private String getNodeValue(String[] nodeNames, String defaultValue) {
 155                 SimpleXML node = rootNode;
 156                 int nodeIndex = 0;
 157                 while ((node != null) && (nodeIndex < nodeNames.length)) {
 158                         node = node.getNode(nodeNames[nodeIndex++]);
 159                 }
 160                 if (node == null) {
 161                         return defaultValue;
 162                 }
 163                 return node.getValue();
 164         }
 165
 166         private int getNodeIntValue(String[] nodeNames, int defaultValue) {
 167                 try {
 168                         return Integer.parseInt(getNodeValue(nodeNames, String.valueOf(defaultValue)));
 169                 } catch (NumberFormatException nfe1) {
 170                 }
 171                 return defaultValue;
 172         }
 173
 174         private boolean getNodeBooleanValue(String[] nodeNames, boolean defaultValue) {
 175                 String nodeValue = getNodeValue(nodeNames, null);
 176                 if (nodeValue == null) {
 177                         return defaultValue;
 178                 }
 179                 return Boolean.parseBoolean(nodeValue);
 180         }
 181
 182         /**
 183          * Returns the hostname of the node.
 184          * @return The hostname of the node
 185          * @deprecated Use {@link #getSelectedNode()} instead
 186          */
 187         @Deprecated
 188         public String getNodeAddress() {
 189                 return getNodeValue(new String[] { "node-address" }, "localhost");
 190         }
 191
 192         /**
 193          * Sets the hostname of the node.
 194          * @param nodeAddress The hostname of the node
 195          * @deprecated Use {@link #setSelectedNode(Node)} instead
 196          */
 197         @Deprecated
 198         public void setNodeAddress(String nodeAddress) {
 199                 rootNode.replace("node-address", nodeAddress);
 200         }
 201
 202         /**
 203          * The port number of the node
 204          * @return The port number of the node
 205          * @deprecated Use {@link #getSelectedNode()} instead.
 206          */
 207         @Deprecated
 208         public int getNodePort() {
 209                 return getNodeIntValue(new String[] { "node-port" }, 9481);
 210         }
 211
 212         /**
 213          * Sets the port number of the node.
 214          * @param nodePort The port number of the node
 215          * @deprecated Use {@link #setSelectedNode(Node)} instead
 216          */
 217         @Deprecated
 218         public void setNodePort(int nodePort) {
 219                 rootNode.replace("node-port", String.valueOf(nodePort));
 220         }
 221
 222         public boolean isSkipNodePage() {
 223                 return getNodeBooleanValue(new String[] { "skip-node-page" }, false);
 224         }
 225
 226         public void setSkipNodePage(boolean skipNodePage) {
 227                 rootNode.replace("skip-node-page", String.valueOf(skipNodePage));
 228         }
 229
 230         public Project[] getProjects() {
 231                 List<Project> projects = new ArrayList<Project>();
 232                 SimpleXML projectsNode = rootNode.getNode("project-list");
 233                 if (projectsNode != null) {
 234                         SimpleXML[] projectNodes = projectsNode.getNodes("project");
 235                         for (SimpleXML projectNode: projectNodes) {
 236                                 try {
 237                                         Project project = null;
 238                                         SimpleXML typeNode = projectNode.getNode("type");
 239                                         if ("edition".equals(typeNode.getValue())) {
 240                                                 EditionProject editionProject = new EditionProject();
 241                                                 project = editionProject;
 242                                                 editionProject.setEdition(Integer.parseInt(projectNode.getNode("edition").getValue()));
 243                                         }
 244                                         projects.add(project);
 245                                         project.setDescription(projectNode.getNode("description").getValue());
 246                                         project.setIndexFile(projectNode.getNode("index-file").getValue());
 247                                         project.setLastInsertionTime(Long.parseLong(projectNode.getNode("last-insertion-time").getValue()));
 248                                         project.setLocalPath(projectNode.getNode("local-path").getValue());
 249                                         project.setName(projectNode.getNode("name").getValue());
 250                                         project.setPath(projectNode.getNode("path").getValue());
 251                                         project.setInsertURI(projectNode.getNode("insert-uri").getValue());
 252                                         project.setRequestURI(projectNode.getNode("request-uri").getValue());
 253                                         SimpleXML fileOptionsNode = projectNode.getNode("file-options");
 254                                         Map<String, FileOption> fileOptions = new HashMap<String, FileOption>();
 255                                         if (fileOptionsNode != null) {
 256                                                 SimpleXML[] fileOptionNodes = fileOptionsNode.getNodes("file-option");
 257                                                 for (SimpleXML fileOptionNode: fileOptionNodes) {
 258                                                         String filename = fileOptionNode.getNode("filename").getValue();
 259                                                         FileOption fileOption = project.getFileOption(filename);
 260                                                         fileOption.setInsert(Boolean.parseBoolean(fileOptionNode.getNode("insert").getValue()));
 261                                                         fileOption.setCustomKey(fileOptionNode.getNode("custom-key").getValue());
 262                                                         fileOption.setMimeType(fileOptionNode.getNode("mime-type").getValue());
 263                                                         fileOption.setContainer(fileOptionNode.getNode("container").getValue());
 264                                                         if (fileOptionNode.getNode("replace-edition") != null) {
 265                                                                 fileOption.setReplaceEdition(Boolean.parseBoolean(fileOptionNode.getNode("replace-edition").getValue()));
 266                                                                 fileOption.setEditionRange(Integer.parseInt(fileOptionNode.getNode("edition-range").getValue()));
 267                                                         }
 268                                                         fileOptions.put(filename, fileOption);
 269                                                 }
 270                                         }
 271                                         project.setFileOptions(fileOptions);
 272                                 } catch (NumberFormatException nfe1) {
 273                                         nfe1.printStackTrace();
 274                                 }
 275                         }
 276                 }
 277                 return projects.toArray(new Project[projects.size()]);
 278         }
 279
 280         public void setProjects(Project[] projects) {
 281                 SimpleXML projectsNode = new SimpleXML("project-list");
 282                 for (Project project: projects) {
 283                         SimpleXML projectNode = projectsNode.append("project");
 284                         if (project instanceof EditionProject) {
 285                                 projectNode.append("type", "edition");
 286                                 projectNode.append("edition", String.valueOf(((EditionProject) project).getEdition()));
 287                         }
 288                         projectNode.append("description", project.getDescription());
 289                         projectNode.append("index-file", project.getIndexFile());
 290                         projectNode.append("last-insertion-time", String.valueOf(project.getLastInsertionTime()));
 291                         projectNode.append("local-path", project.getLocalPath());
 292                         projectNode.append("name", project.getName());
 293                         projectNode.append("path", project.getPath());
 294                         projectNode.append("insert-uri", project.getInsertURI());
 295                         projectNode.append("request-uri", project.getRequestURI());
 296                         SimpleXML fileOptionsNode = projectNode.append("file-options");
 297                         Iterator<Entry<String, FileOption>> entries = project.getFileOptions().entrySet().iterator();
 298                         while (entries.hasNext()) {
 299                                 Entry<String, FileOption> entry = entries.next();
 300                                 FileOption fileOption = entry.getValue();
 301                                 if (fileOption.isCustom()) {
 302                                         SimpleXML fileOptionNode = fileOptionsNode.append("file-option");
 303                                         fileOptionNode.append("filename", entry.getKey());
 304                                         fileOptionNode.append("insert", String.valueOf(fileOption.isInsert()));
 305                                         fileOptionNode.append("custom-key", fileOption.getCustomKey());
 306                                         fileOptionNode.append("mime-type", fileOption.getMimeType());
 307                                         fileOptionNode.append("container", fileOption.getContainer());
 308                                         fileOptionNode.append("replace-edition", String.valueOf(fileOption.getReplaceEdition()));
 309                                         fileOptionNode.append("edition-range", String.valueOf(fileOption.getEditionRange()));
 310                                 }
 311                         }
 312                 }
 313                 rootNode.replace(projectsNode);
 314         }
 315
 316         public Locale getLocale() {
 317                 String language = getNodeValue(new String[] { "i18n", "language" }, "en");
 318                 String country = getNodeValue(new String[] { "i18n", "country" }, null);
 319                 if (country != null) {
 320                         return new Locale(language, country);
 321                 }
 322                 return new Locale(language);
 323         }
 324
 325         public void setLocale(Locale locale) {
 326                 SimpleXML i18nNode = new SimpleXML("i18n");
 327                 if (locale.getCountry().length() != 0) {
 328                         i18nNode.append("country", locale.getCountry());
 329                 }
 330                 i18nNode.append("language", locale.getLanguage());
 331                 rootNode.replace(i18nNode);
 332                 return;
 333         }
 334
 335         public Node[] getNodes() {
 336                 SimpleXML nodesNode = rootNode.getNode("nodes");
 337                 if (nodesNode == null) {
 338                         String hostname = getNodeAddress();
 339                         int port = getNodePort();
 340                         if (hostname == null) {
 341                                 hostname = "127.0.0.1";
 342                                 port = 9481;
 343                         }
 344                         return new Node[] { new Node(hostname, port, "Node") };
 345                 }
 346                 SimpleXML[] nodeNodes = nodesNode.getNodes("node");
 347                 Node[] returnNodes = new Node[nodeNodes.length];
 348                 int nodeIndex = 0;
 349                 for (SimpleXML nodeNode: nodeNodes) {
 350                         String name = nodeNode.getNode("name").getValue();
 351                         String hostname = nodeNode.getNode("hostname").getValue();
 352                         int port = Integer.parseInt(nodeNode.getNode("port").getValue());
 353                         Node node = new Node(hostname, port, name);
 354                         returnNodes[nodeIndex++] = node;
 355                 }
 356                 return returnNodes;
 357         }
 358
 359         public void setNodes(Node[] nodes) {
 360                 SimpleXML nodesNode = new SimpleXML("nodes");
 361                 for (Node node: nodes) {
 362                         SimpleXML nodeNode = nodesNode.append("node");
 363                         nodeNode.append("name", node.getName());
 364                         nodeNode.append("hostname", node.getHostname());
 365                         nodeNode.append("port", String.valueOf(node.getPort()));
 366                 }
 367                 rootNode.replace(nodesNode);
 368                 rootNode.remove("node-address");
 369                 rootNode.remove("node-port");
 370         }
 371
 372         public void setSelectedNode(Node selectedNode) {
 373                 SimpleXML selectedNodeNode = new SimpleXML("selected-node");
 374                 selectedNodeNode.append("name", selectedNode.getName());
 375                 selectedNodeNode.append("hostname", selectedNode.getHostname());
 376                 selectedNodeNode.append("port", String.valueOf(selectedNode.getPort()));
 377                 rootNode.replace(selectedNodeNode);
 378         }
 379
 380         public Node getSelectedNode() {
 381                 SimpleXML selectedNodeNode = rootNode.getNode("selected-node");
 382                 if (selectedNodeNode == null) {
 383                         String hostname = getNodeAddress();
 384                         int port = getNodePort();
 385                         if (hostname == null) {
 386                                 hostname = "127.0.0.1";
 387                                 port = 9481;
 388                         }
 389                         return new Node(hostname, port, "Node");
 390                 }
 391                 String name = selectedNodeNode.getNode("name").getValue();
 392                 String hostname = selectedNodeNode.getNode("hostname").getValue();
 393                 int port = Integer.valueOf(selectedNodeNode.getNode("port").getValue());
 394                 return new Node(hostname, port, name);
 395         }
 396
 397 }