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 4480faa..2cad1e4 100644 (file)
--- a/src/net/pterodactylus/jsite/project/ProjectManager.java
+++ b/src/net/pterodactylus/jsite/project/ProjectManager.java
@@ -201,9 +201,7 @@ public class ProjectManager implements PropertyChangeListener {
        public Project createProject() throws IOException, JSiteException {
                Project project = new Project();
                String[] keyPair = nodeManager.generateKeyPair();
-               byte[] idBytes = new byte[16];
-               random.nextBytes(idBytes);
-               project.setId(Hex.toHex(idBytes));
+               project.setId(generateId());
                project.setName("");
                project.setDescription("");
                project.setPrivateKey(keyPair[0]);
@@ -220,6 +218,28 @@ public class ProjectManager implements PropertyChangeListener {
        }
 
        /**
+        * 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
@@ -235,6 +255,22 @@ public class ProjectManager implements PropertyChangeListener {
        }
 
        //
+       // 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
        //