implement project cloning

[jSite2.git] / src / net / pterodactylus / jsite / project / ProjectManager.java

diff --git a/src/net/pterodactylus/jsite/project/ProjectManager.java b/src/net/pterodactylus/jsite/project/ProjectManager.java
index fd62061..2cad1e4 100644 (file)
--- a/src/net/pterodactylus/jsite/project/ProjectManager.java
+++ b/src/net/pterodactylus/jsite/project/ProjectManager.java
@@ -19,6 +19,8 @@
 
 package net.pterodactylus.jsite.project;
 
+import java.beans.PropertyChangeEvent;
+import java.beans.PropertyChangeListener;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
@@ -29,25 +31,29 @@ import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 import java.util.Properties;
+import java.util.Random;
 import java.util.logging.Logger;
 
 import net.pterodactylus.jsite.core.JSiteException;
 import net.pterodactylus.jsite.core.NodeManager;
 import net.pterodactylus.util.io.Closer;
 import net.pterodactylus.util.logging.Logging;
+import net.pterodactylus.util.number.Hex;
 
 /**
  * Manages projects, taking care of persistence, lifetime statistics, and other
  * things.
  * 
  * @author David ‘Bombe’ Roden <bombe@freenetproject.org>
- * @version $Id$
  */
-public class ProjectManager {
+public class ProjectManager implements PropertyChangeListener {
 
        /** Logger. */
        private static final Logger logger = Logging.getLogger(ProjectManager.class.getName());
 
+       /** The RNG used to create project IDs. */
+       private static final Random random = new Random();
+
        /** The directory the projects are stored in. */
        private final String directory;
 
@@ -127,15 +133,20 @@ public class ProjectManager {
                int projectIndex = 0;
                while (projectProperties.containsKey("projects." + projectIndex + ".name")) {
                        String projectPrefix = "projects." + projectIndex;
+                       String projectId = projectProperties.getProperty(projectPrefix + ".id");
                        String projectName = projectProperties.getProperty(projectPrefix + ".name");
                        String projectDescription = projectProperties.getProperty(projectPrefix + ".description");
                        String projectPrivateKey = projectProperties.getProperty(projectPrefix + ".privateKey");
                        String projectPublicKey = projectProperties.getProperty(projectPrefix + ".publicKey");
+                       String projectBasePath = projectProperties.getProperty(projectPrefix + ".basePath");
                        Project project = new Project();
+                       project.setId(projectId);
                        project.setName(projectName);
                        project.setDescription(projectDescription);
                        project.setPrivateKey(projectPrivateKey);
                        project.setPublicKey(projectPublicKey);
+                       project.setBasePath(projectBasePath);
+                       project.rescanBasePath();
                        projects.add(project);
                        logger.fine("loaded project “" + project.getName() + "”.");
                        projectIndex++;
@@ -159,10 +170,12 @@ public class ProjectManager {
                int projectIndex = 0;
                for (Project project: projects) {
                        String projectPrefix = "projects." + projectIndex;
+                       projectProperties.setProperty(projectPrefix + ".id", project.getId());
                        projectProperties.setProperty(projectPrefix + ".name", project.getName());
                        projectProperties.setProperty(projectPrefix + ".description", project.getDescription());
                        projectProperties.setProperty(projectPrefix + ".privateKey", project.getPrivateKey());
                        projectProperties.setProperty(projectPrefix + ".publicKey", project.getPublicKey());
+                       projectProperties.setProperty(projectPrefix + ".basePath", project.getBasePath());
                        projectIndex++;
                }
                File projectFile = new File(directoryFile, "projects.properties");
@@ -188,9 +201,88 @@ public class ProjectManager {
        public Project createProject() throws IOException, JSiteException {
                Project project = new Project();
                String[] keyPair = nodeManager.generateKeyPair();
+               project.setId(generateId());
+               project.setName("");
+               project.setDescription("");
                project.setPrivateKey(keyPair[0]);
                project.setPublicKey(keyPair[1]);
+               project.setBasePath("");
                projects.add(project);
+               project.addPropertyChangeListener(this);
+               try {
+                       save();
+               } catch (IOException ioe1) {
+                       /* ignore. */
+               }
                return project;
        }
+
+       /**
+        * Clones the given project and returns the clone. The clone will be
+        * identical in all user-exposed fields, except for the project’s
+        * {@link Project#getId ID}.
+        * 
+        * @param project
+        *            The project to clone
+        * @return The cloned project
+        */
+       public Project cloneProject(Project project) {
+               Project projectClone = new Project(project);
+               projects.add(projectClone);
+               projectClone.setId(generateId());
+               projectClone.addPropertyChangeListener(this);
+               try {
+                       save();
+               } catch (IOException ioe1) {
+                       /* ignore. */
+               }
+               return projectClone;
+       }
+
+       /**
+        * Removes the given project.
+        * 
+        * @param project
+        *            The project to remove
+        */
+       public void removeProject(Project project) {
+               projects.remove(project);
+               try {
+                       save();
+               } catch (IOException ioe1) {
+                       /* ignore. */
+               }
+       }
+
+       //
+       // PRIVATE METHODS
+       //
+
+       /**
+        * Generates a new random ID, consisting of 16 random bytes converted to a
+        * hexadecimal number.
+        * 
+        * @return The new ID
+        */
+       private static String generateId() {
+               byte[] idBytes = new byte[16];
+               random.nextBytes(idBytes);
+               return Hex.toHex(idBytes);
+       }
+
+       //
+       // INTERFACE PropertyChangeListener
+       //
+
+       /**
+        * {@inheritDoc}
+        */
+       public void propertyChange(PropertyChangeEvent propertyChangeEvent) {
+               try {
+                       save();
+               } catch (IOException ioe1) {
+                       /* ignore. */
+               }
+       }
+
 }