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.util.io.Closer;
39 import net.pterodactylus.util.logging.Logging;
42 * Manages projects, taking care of persistence, lifetime statistics, and other
45 * @author David ‘Bombe’ Roden <bombe@freenetproject.org>
47 public class ProjectManager implements PropertyChangeListener {
50 private static final Logger logger = Logging.getLogger(ProjectManager.class.getName());
52 /** The directory the projects are stored in. */
53 private final String directory;
55 /** The node manager. */
56 private NodeManager nodeManager;
59 private final List<Project> projects = Collections.synchronizedList(new ArrayList<Project>());
62 * Creates a new project manager that saves and restores its state to/from
63 * the given directory.
66 * The directory to save and restore states to/from
68 public ProjectManager(String directory) {
69 this.directory = directory;
77 * Returns the directory the projects are loaded from and saved to.
79 * @return The directory for storing the projects
81 public String getDirectory() {
86 * Returns a list of all projects.
88 * @return A list of all projects
90 public List<Project> getProjects() {
91 return Collections.unmodifiableList(new ArrayList<Project>(projects));
95 * Sets the node manager to use.
98 * The node manager to use
100 public void setNodeManager(NodeManager nodeManager) {
101 this.nodeManager = nodeManager;
109 * Loads projects and statistics.
111 * @throws IOException
112 * if an I/O error occurs
114 public void load() throws IOException {
115 File directoryFile = new File(directory);
116 File projectFile = new File(directoryFile, "projects.properties");
117 if (!projectFile.exists() || !projectFile.isFile() || !projectFile.canRead()) {
120 Properties projectProperties = new Properties();
121 InputStream projectInputStream = null;
123 projectInputStream = new FileInputStream(projectFile);
124 projectProperties.load(projectInputStream);
126 Closer.close(projectInputStream);
128 int projectIndex = 0;
129 while (projectProperties.containsKey("projects." + projectIndex + ".name")) {
130 String projectPrefix = "projects." + projectIndex;
131 String projectId = projectProperties.getProperty(projectPrefix + ".id");
132 String projectName = projectProperties.getProperty(projectPrefix + ".name");
133 String projectDescription = projectProperties.getProperty(projectPrefix + ".description");
134 String projectPrivateKey = projectProperties.getProperty(projectPrefix + ".privateKey");
135 String projectPublicKey = projectProperties.getProperty(projectPrefix + ".publicKey");
136 String projectBasePath = projectProperties.getProperty(projectPrefix + ".basePath");
137 String projectDefaultFile = projectProperties.getProperty(projectPrefix + ".defaultFile");
138 String projectNode = projectProperties.getProperty(projectPrefix + ".node");
139 Project project = new Project();
140 project.setId(projectId);
141 project.setName(projectName);
142 project.setDescription(projectDescription);
143 project.setPrivateKey(projectPrivateKey);
144 project.setPublicKey(projectPublicKey);
145 project.setBasePath(projectBasePath);
146 project.setDefaultFile(projectDefaultFile);
147 if (projectNode != null) {
148 Node node = nodeManager.getNode(projectNode);
149 project.setNode(node);
151 int overrideIndex = 0;
152 while (projectProperties.containsKey(projectPrefix + ".overrides." + overrideIndex + ".override")) {
153 String filePath = projectProperties.getProperty(projectPrefix + ".overrides." + overrideIndex + ".filePath");
154 FileOverride override = FileOverride.valueOf(projectProperties.getProperty(projectPrefix + ".overrides." + overrideIndex + ".override"));
155 project.addFileOverride(filePath, override);
156 logger.log(Level.FINEST, "read override: " + filePath + ", " + override);
159 projects.add(project);
160 logger.fine("loaded project “" + project.getName() + "”.");
166 * Saves projects and statistics.
168 * @throws IOException
169 * if an I/O error occurs
171 public void save() throws IOException {
172 File directoryFile = new File(directory);
173 if (!directoryFile.exists()) {
174 if (!directoryFile.mkdirs()) {
175 throw new IOException("could not create directory: " + directory);
178 Properties projectProperties = new Properties();
179 int projectIndex = 0;
180 for (Project project : projects) {
181 String projectPrefix = "projects." + projectIndex;
182 projectProperties.setProperty(projectPrefix + ".id", project.getId());
183 projectProperties.setProperty(projectPrefix + ".name", project.getName());
184 projectProperties.setProperty(projectPrefix + ".description", project.getDescription());
185 projectProperties.setProperty(projectPrefix + ".privateKey", project.getPrivateKey());
186 projectProperties.setProperty(projectPrefix + ".publicKey", project.getPublicKey());
187 projectProperties.setProperty(projectPrefix + ".basePath", project.getBasePath());
188 projectProperties.setProperty(projectPrefix + ".defaultFile", project.getDefaultFile());
189 if (project.getNode() != null) {
190 projectProperties.setProperty(projectPrefix + ".node", project.getNode().getId());
192 int overrideIndex = 0;
193 for (Entry<String, FileOverride> overrideEntry : project.getFileOverrides().entrySet()) {
194 projectProperties.setProperty(projectPrefix + ".overrides." + overrideIndex + ".filePath", overrideEntry.getKey());
195 projectProperties.setProperty(projectPrefix + ".overrides." + overrideIndex + ".override", overrideEntry.getValue().toString());
200 File projectFile = new File(directoryFile, "projects.properties");
201 OutputStream projectOutputStream = null;
203 projectOutputStream = new FileOutputStream(projectFile);
204 projectProperties.store(projectOutputStream, "jSite projects");
206 Closer.close(projectOutputStream);
211 * Creates a new project. The returned {@link Project} will contain a newly
212 * generated key pair.
214 * @return A newly created project
215 * @throws IOException
216 * if an I/O error occured communicating with the node
217 * @throws JSiteException
218 * if there is a problem with the node
220 public Project createProject() throws IOException, JSiteException {
221 Project project = new Project();
222 String[] keyPair = nodeManager.generateKeyPair();
224 project.setDescription("");
225 project.setPrivateKey(keyPair[0]);
226 project.setPublicKey(keyPair[1]);
227 project.setBasePath("");
228 project.setDefaultFile("");
229 projects.add(project);
230 project.addPropertyChangeListener(this);
233 } catch (IOException ioe1) {
240 * Clones the given project and returns the clone. The clone will be
241 * identical in all user-exposed fields, except for the project’s
242 * {@link Project#getId ID}.
245 * The project to clone
246 * @return The cloned project
248 public Project cloneProject(Project project) {
249 Project projectClone = new Project(project);
250 projects.add(projectClone);
251 projectClone.addPropertyChangeListener(this);
254 } catch (IOException ioe1) {
261 * Removes the given project.
264 * The project to remove
266 public void removeProject(Project project) {
267 projects.remove(project);
270 } catch (IOException ioe1) {
276 // INTERFACE PropertyChangeListener
282 public void propertyChange(PropertyChangeEvent propertyChangeEvent) {
285 } catch (IOException ioe1) {