2 * jSite2 - ProjectManager.java -
3 * Copyright © 2008 David Roden
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.
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.
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.
20 package net.pterodactylus.jsite.core;
22 import java.beans.PropertyChangeEvent;
23 import java.beans.PropertyChangeListener;
25 import java.io.FileInputStream;
26 import java.io.FileOutputStream;
27 import java.io.IOException;
28 import java.io.InputStream;
29 import java.io.OutputStream;
30 import java.util.ArrayList;
31 import java.util.Collections;
32 import java.util.List;
33 import java.util.Properties;
34 import java.util.Map.Entry;
35 import java.util.logging.Level;
36 import java.util.logging.Logger;
38 import net.pterodactylus.jsite.util.IdGenerator;
39 import net.pterodactylus.util.io.Closer;
40 import net.pterodactylus.util.logging.Logging;
41 import net.pterodactylus.util.number.Hex;
44 * Manages projects, taking care of persistence, lifetime statistics, and other
47 * @author David ‘Bombe’ Roden <bombe@freenetproject.org>
49 public class ProjectManager implements PropertyChangeListener {
52 private static final Logger logger = Logging.getLogger(ProjectManager.class.getName());
54 /** The directory the projects are stored in. */
55 private final String directory;
57 /** The node manager. */
58 private NodeManager nodeManager;
61 private final List<Project> projects = Collections.synchronizedList(new ArrayList<Project>());
64 * Creates a new project manager that saves and restores its state to/from
65 * the given directory.
68 * The directory to save and restore states to/from
70 public ProjectManager(String directory) {
71 this.directory = directory;
79 * Returns the directory the projects are loaded from and saved to.
81 * @return The directory for storing the projects
83 public String getDirectory() {
88 * Returns a list of all projects.
90 * @return A list of all projects
92 public List<Project> getProjects() {
93 return Collections.unmodifiableList(new ArrayList<Project>(projects));
97 * Sets the node manager to use.
100 * The node manager to use
102 public void setNodeManager(NodeManager nodeManager) {
103 this.nodeManager = nodeManager;
111 * Loads projects and statistics.
113 * @throws IOException
114 * if an I/O error occurs
116 public void load() throws IOException {
117 File directoryFile = new File(directory);
118 File projectFile = new File(directoryFile, "projects.properties");
119 if (!projectFile.exists() || !projectFile.isFile() || !projectFile.canRead()) {
122 Properties projectProperties = new Properties();
123 InputStream projectInputStream = null;
125 projectInputStream = new FileInputStream(projectFile);
126 projectProperties.load(projectInputStream);
128 Closer.close(projectInputStream);
130 int projectIndex = 0;
131 while (projectProperties.containsKey("projects." + projectIndex + ".name")) {
132 String projectPrefix = "projects." + projectIndex;
133 String projectId = projectProperties.getProperty(projectPrefix + ".id");
134 String projectName = projectProperties.getProperty(projectPrefix + ".name");
135 String projectDescription = projectProperties.getProperty(projectPrefix + ".description");
136 String projectPrivateKey = projectProperties.getProperty(projectPrefix + ".privateKey");
137 String projectPublicKey = projectProperties.getProperty(projectPrefix + ".publicKey");
138 String projectBasePath = projectProperties.getProperty(projectPrefix + ".basePath");
139 String projectDefaultFile = projectProperties.getProperty(projectPrefix + ".defaultFile");
140 Project project = new Project();
141 project.setId(projectId);
142 project.setName(projectName);
143 project.setDescription(projectDescription);
144 project.setPrivateKey(projectPrivateKey);
145 project.setPublicKey(projectPublicKey);
146 project.setBasePath(projectBasePath);
147 project.setDefaultFile(projectDefaultFile);
148 int overrideIndex = 0;
149 while (projectProperties.containsKey(projectPrefix + ".overrides." + overrideIndex + ".override")) {
150 String filePath = projectProperties.getProperty(projectPrefix + ".overrides." + overrideIndex + ".filePath");
151 FileOverride override = FileOverride.valueOf(projectProperties.getProperty(projectPrefix + ".overrides." + overrideIndex + ".override"));
152 project.addFileOverride(filePath, override);
153 logger.log(Level.FINEST, "read override: " + filePath + ", " + override);
156 projects.add(project);
157 logger.fine("loaded project “" + project.getName() + "”.");
163 * Saves projects and statistics.
165 * @throws IOException
166 * if an I/O error occurs
168 public void save() throws IOException {
169 File directoryFile = new File(directory);
170 if (!directoryFile.exists()) {
171 if (!directoryFile.mkdirs()) {
172 throw new IOException("could not create directory: " + directory);
175 Properties projectProperties = new Properties();
176 int projectIndex = 0;
177 for (Project project : projects) {
178 String projectPrefix = "projects." + projectIndex;
179 projectProperties.setProperty(projectPrefix + ".id", project.getId());
180 projectProperties.setProperty(projectPrefix + ".name", project.getName());
181 projectProperties.setProperty(projectPrefix + ".description", project.getDescription());
182 projectProperties.setProperty(projectPrefix + ".privateKey", project.getPrivateKey());
183 projectProperties.setProperty(projectPrefix + ".publicKey", project.getPublicKey());
184 projectProperties.setProperty(projectPrefix + ".basePath", project.getBasePath());
185 projectProperties.setProperty(projectPrefix + ".defaultFile", project.getDefaultFile());
186 int overrideIndex = 0;
187 for (Entry<String, FileOverride> overrideEntry : project.getFileOverrides().entrySet()) {
188 projectProperties.setProperty(projectPrefix + ".overrides." + overrideIndex + ".filePath", overrideEntry.getKey());
189 projectProperties.setProperty(projectPrefix + ".overrides." + overrideIndex + ".override", overrideEntry.getValue().toString());
194 File projectFile = new File(directoryFile, "projects.properties");
195 OutputStream projectOutputStream = null;
197 projectOutputStream = new FileOutputStream(projectFile);
198 projectProperties.store(projectOutputStream, "jSite projects");
200 Closer.close(projectOutputStream);
205 * Creates a new project. The returned {@link Project} will contain a newly
206 * generated key pair.
208 * @return A newly created project
209 * @throws IOException
210 * if an I/O error occured communicating with the node
211 * @throws JSiteException
212 * if there is a problem with the node
214 public Project createProject() throws IOException, JSiteException {
215 Project project = new Project();
216 String[] keyPair = nodeManager.generateKeyPair();
217 project.setId(Hex.toHex(IdGenerator.generateId()));
219 project.setDescription("");
220 project.setPrivateKey(keyPair[0]);
221 project.setPublicKey(keyPair[1]);
222 project.setBasePath("");
223 project.setDefaultFile("");
224 projects.add(project);
225 project.addPropertyChangeListener(this);
228 } catch (IOException ioe1) {
235 * Clones the given project and returns the clone. The clone will be
236 * identical in all user-exposed fields, except for the project’s
237 * {@link Project#getId ID}.
240 * The project to clone
241 * @return The cloned project
243 public Project cloneProject(Project project) {
244 Project projectClone = new Project(project);
245 projects.add(projectClone);
246 projectClone.setId(Hex.toHex(IdGenerator.generateId()));
247 projectClone.addPropertyChangeListener(this);
250 } catch (IOException ioe1) {
257 * Removes the given project.
260 * The project to remove
262 public void removeProject(Project project) {
263 projects.remove(project);
266 } catch (IOException ioe1) {
272 // INTERFACE PropertyChangeListener
278 public void propertyChange(PropertyChangeEvent propertyChangeEvent) {
281 } catch (IOException ioe1) {