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.project;
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.core.JSiteException;
39 import net.pterodactylus.jsite.core.NodeManager;
40 import net.pterodactylus.jsite.util.IdGenerator;
41 import net.pterodactylus.util.io.Closer;
42 import net.pterodactylus.util.logging.Logging;
43 import net.pterodactylus.util.number.Hex;
46 * Manages projects, taking care of persistence, lifetime statistics, and other
49 * @author David ‘Bombe’ Roden <bombe@freenetproject.org>
51 public class ProjectManager implements PropertyChangeListener {
54 private static final Logger logger = Logging.getLogger(ProjectManager.class.getName());
56 /** The directory the projects are stored in. */
57 private final String directory;
59 /** The node manager. */
60 private NodeManager nodeManager;
63 private final List<Project> projects = Collections.synchronizedList(new ArrayList<Project>());
66 * Creates a new project manager that saves and restores its state to/from
67 * the given directory.
70 * The directory to save and restore states to/from
72 public ProjectManager(String directory) {
73 this.directory = directory;
81 * Returns the directory the projects are loaded from and saved to.
83 * @return The directory for storing the projects
85 public String getDirectory() {
90 * Returns a list of all projects.
92 * @return A list of all projects
94 public List<Project> getProjects() {
95 return Collections.unmodifiableList(new ArrayList<Project>(projects));
99 * Sets the node manager to use.
102 * The node manager to use
104 public void setNodeManager(NodeManager nodeManager) {
105 this.nodeManager = nodeManager;
113 * Loads projects and statistics.
115 * @throws IOException
116 * if an I/O error occurs
118 public void load() throws IOException {
119 File directoryFile = new File(directory);
120 File projectFile = new File(directoryFile, "projects.properties");
121 if (!projectFile.exists() || !projectFile.isFile() || !projectFile.canRead()) {
124 Properties projectProperties = new Properties();
125 InputStream projectInputStream = null;
127 projectInputStream = new FileInputStream(projectFile);
128 projectProperties.load(projectInputStream);
130 Closer.close(projectInputStream);
132 int projectIndex = 0;
133 while (projectProperties.containsKey("projects." + projectIndex + ".name")) {
134 String projectPrefix = "projects." + projectIndex;
135 String projectId = projectProperties.getProperty(projectPrefix + ".id");
136 String projectName = projectProperties.getProperty(projectPrefix + ".name");
137 String projectDescription = projectProperties.getProperty(projectPrefix + ".description");
138 String projectPrivateKey = projectProperties.getProperty(projectPrefix + ".privateKey");
139 String projectPublicKey = projectProperties.getProperty(projectPrefix + ".publicKey");
140 String projectBasePath = projectProperties.getProperty(projectPrefix + ".basePath");
141 String projectDefaultFile = projectProperties.getProperty(projectPrefix + ".defaultFile");
142 Project project = new Project();
143 project.setId(projectId);
144 project.setName(projectName);
145 project.setDescription(projectDescription);
146 project.setPrivateKey(projectPrivateKey);
147 project.setPublicKey(projectPublicKey);
148 project.setBasePath(projectBasePath);
149 project.setDefaultFile(projectDefaultFile);
150 int overrideIndex = 0;
151 while (projectProperties.containsKey(projectPrefix + ".overrides." + overrideIndex + ".override")) {
152 String filePath = projectProperties.getProperty(projectPrefix + ".overrides." + overrideIndex + ".filePath");
153 FileOverride override = FileOverride.valueOf(projectProperties.getProperty(projectPrefix + ".overrides." + overrideIndex + ".override"));
154 project.addFileOverride(filePath, override);
155 logger.log(Level.FINEST, "read override: " + filePath + ", " + override);
158 projects.add(project);
159 logger.fine("loaded project “" + project.getName() + "”.");
165 * Saves projects and statistics.
167 * @throws IOException
168 * if an I/O error occurs
170 public void save() throws IOException {
171 File directoryFile = new File(directory);
172 if (!directoryFile.exists()) {
173 if (!directoryFile.mkdirs()) {
174 throw new IOException("could not create directory: " + directory);
177 Properties projectProperties = new Properties();
178 int projectIndex = 0;
179 for (Project project : projects) {
180 String projectPrefix = "projects." + projectIndex;
181 projectProperties.setProperty(projectPrefix + ".id", project.getId());
182 projectProperties.setProperty(projectPrefix + ".name", project.getName());
183 projectProperties.setProperty(projectPrefix + ".description", project.getDescription());
184 projectProperties.setProperty(projectPrefix + ".privateKey", project.getPrivateKey());
185 projectProperties.setProperty(projectPrefix + ".publicKey", project.getPublicKey());
186 projectProperties.setProperty(projectPrefix + ".basePath", project.getBasePath());
187 projectProperties.setProperty(projectPrefix + ".defaultFile", project.getDefaultFile());
188 int overrideIndex = 0;
189 for (Entry<String, FileOverride> overrideEntry : project.getFileOverrides().entrySet()) {
190 projectProperties.setProperty(projectPrefix + ".overrides." + overrideIndex + ".filePath", overrideEntry.getKey());
191 projectProperties.setProperty(projectPrefix + ".overrides." + overrideIndex + ".override", overrideEntry.getValue().toString());
196 File projectFile = new File(directoryFile, "projects.properties");
197 OutputStream projectOutputStream = null;
199 projectOutputStream = new FileOutputStream(projectFile);
200 projectProperties.store(projectOutputStream, "jSite projects");
202 Closer.close(projectOutputStream);
207 * Creates a new project. The returned {@link Project} will contain a newly
208 * generated key pair.
210 * @return A newly created project
211 * @throws IOException
212 * if an I/O error occured communicating with the node
213 * @throws JSiteException
214 * if there is a problem with the node
216 public Project createProject() throws IOException, JSiteException {
217 Project project = new Project();
218 String[] keyPair = nodeManager.generateKeyPair();
219 project.setId(Hex.toHex(IdGenerator.generateId()));
221 project.setDescription("");
222 project.setPrivateKey(keyPair[0]);
223 project.setPublicKey(keyPair[1]);
224 project.setBasePath("");
225 project.setDefaultFile("");
226 projects.add(project);
227 project.addPropertyChangeListener(this);
230 } catch (IOException ioe1) {
237 * Clones the given project and returns the clone. The clone will be
238 * identical in all user-exposed fields, except for the project’s
239 * {@link Project#getId ID}.
242 * The project to clone
243 * @return The cloned project
245 public Project cloneProject(Project project) {
246 Project projectClone = new Project(project);
247 projects.add(projectClone);
248 projectClone.setId(Hex.toHex(IdGenerator.generateId()));
249 projectClone.addPropertyChangeListener(this);
252 } catch (IOException ioe1) {
259 * Removes the given project.
262 * The project to remove
264 public void removeProject(Project project) {
265 projects.remove(project);
268 } catch (IOException ioe1) {
274 // INTERFACE PropertyChangeListener
280 public void propertyChange(PropertyChangeEvent propertyChangeEvent) {
283 } catch (IOException ioe1) {