Add basic permission interfaces and hierarchy.

guacamole-ext/src/main/java/net/sourceforge/guacamole/net/auth/permission/ObjectPermission.java

@@ -0,0 +1,84 @@
+
+package net.sourceforge.guacamole.net.auth.permission;
+
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is guacamole-ext.
+ *
+ * The Initial Developer of the Original Code is
+ * Michael Jumper.
+ * Portions created by the Initial Developer are Copyright (C) 2010
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+
+/**
+ * A permission which affects a specific object, rather than the system as a
+ * whole.
+ * 
+ * @author Michael Jumper
+ * @param <T> The type of object this permission affects.
+ */
+public interface ObjectPermission<T> extends Permission<ObjectPermission.Type> {
+
+    /**
+     * Specific types of object-level permissions. Each permission type is
+     * related to a specific class of object-level operation.
+     */
+    public enum Type {
+
+        /**
+         * Read data within an object.
+         */
+        READ,
+
+        /**
+         * Update data within an object.
+         */
+        UPDATE,
+
+        /**
+         * Delete an object.
+         */
+        DELETE,
+
+        /**
+         * Change who has access to an object.
+         */
+        ADMINSTER
+
+    }
+
+    /**
+     * Returns the specific object affected by this permission.
+     * @return The specific object affected by this permission.
+     */
+    public T getSubject();
+    
+}

guacamole-ext/src/main/java/net/sourceforge/guacamole/net/auth/permission/Permission.java

@@ -0,0 +1,57 @@
+
+package net.sourceforge.guacamole.net.auth.permission;
+
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is guacamole-ext.
+ *
+ * The Initial Developer of the Original Code is
+ * Michael Jumper.
+ * Portions created by the Initial Developer are Copyright (C) 2010
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+
+/**
+ * A permission which affects a specific type of operation, where all available
+ * operation types are defined by an enumeration.
+ * 
+ * @author Michael Jumper
+ * @param <Type> The enumeration of all available operation types that this
+ *               permission can affect.
+ */
+public interface Permission<Type extends Enum> {
+    
+    /**
+     * Returns the type of operation affected by this permission.
+     * @return The type of operation affected by this permission.
+     */
+    public Type getType();
+    
+}

guacamole-ext/src/main/java/net/sourceforge/guacamole/net/auth/permission/SystemPermission.java

@@ -0,0 +1,62 @@
+
+package net.sourceforge.guacamole.net.auth.permission;
+
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is guacamole-ext.
+ *
+ * The Initial Developer of the Original Code is
+ * Michael Jumper.
+ * Portions created by the Initial Developer are Copyright (C) 2010
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+
+/**
+ * A permission which affects the system as a whole, rather than an individual
+ * object.
+ * 
+ * @author Michael Jumper
+ */
+public interface SystemPermission extends Permission<SystemPermission.Type> {
+
+    /**
+     * Specific types of system-level permissions. Each permission type is
+     * related to a specific class of system-level operation.
+     */
+    public enum Type {
+
+        /**
+         * Create system-level objects.
+         */
+        CREATE
+        
+    }
+
+}