GUACAMOLE-1479: Move disabled methods up to new Disableable interface.

extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/java/org/apache/guacamole/auth/jdbc/sharing/user/SharedUser.java

@@ -79,28 +79,6 @@ public class SharedUser implements User {
         throw new UnsupportedOperationException("Users authenticated via share keys are immutable.");
     }
 
-    /**
-     * {@inheritDoc}
-     * 
-     * <p>SharedUser accounts are always enabled, as access is controlled via
-     * the shared token.
-     */
-    @Override
-    public boolean isDisabled() {
-        return false;
-    }
-    
-    /**
-     * {@inheritDoc}
-     * 
-     * <p>This method silently ignores the value passed in the disabled parameter,
-     * as disabling the account is done by invalidating the sharing token.
-     */
-    @Override
-    public void setDisabled(boolean disabled) {
-        // Silently ignore the parameter
-    }
-
     @Override
     public Map<String, String> getAttributes() {
         return Collections.<String, String>emptyMap();

guacamole-ext/src/main/java/org/apache/guacamole/net/auth/Disableable.java

@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.guacamole.net.auth;
+
+/**
+ * An interface that defines items that can be enabled or disabled.
+ */
+public interface Disableable {
+    
+    /**
+     * Returns true if this object is disabled, otherwise false.
+     * 
+     * @return 
+     *     True if this object is disabled, otherwise false.
+     */
+    default public boolean isDisabled() {
+        return false;
+    }
+    
+    /**
+     * Set the disabled status of this object to the boolean value provided,
+     * true if the object should be disabled, otherwise false.
+     * 
+     * @param disabled 
+     *     True if the object should be disabled, otherwise false.
+     */
+    default public void setDisabled(boolean disabled) {
+        // Default implementation takes no action.
+    }
+    
+}

guacamole-ext/src/main/java/org/apache/guacamole/net/auth/User.java

@@ -29,7 +29,7 @@ import org.apache.guacamole.GuacamoleUnsupportedException;
 /**
  * A user of the Guacamole web application.
  */
-public interface User extends Identifiable, Attributes, Permissions {
+public interface User extends Disableable, Identifiable, Attributes, Permissions {
 
     /**
      * All standard attribute names with semantics defined by the Guacamole web
@@ -80,23 +80,6 @@ public interface User extends Identifiable, Attributes, Permissions {
      */
     public void setPassword(String password);
 
-    /**
-     * Returns true if this user account is disabled, otherwise false.
-     * 
-     * @return 
-     *     True if this user account is disabled, otherwise false.
-     */
-    public boolean isDisabled();
-    
-    /**
-     * Set the disabled status of this account to the boolean parameter as
-     * provided, true if the account should be disabled, otherwise false.
-     * 
-     * @param disabled 
-     *     True if the account should be disabled, otherwise false.
-     */
-    public void setDisabled(boolean disabled);
-
     /**
      * Returns the date and time that this user was last active. If the user
      * was never active, the time that the user was last active is unknown, or

guacamole-ext/src/main/java/org/apache/guacamole/net/auth/UserGroup.java

@@ -26,26 +26,7 @@ import org.apache.guacamole.GuacamoleException;
  * any number of Guacamole users and other user groups, and defines the
  * permissions implicitly granted to its members.
  */
-public interface UserGroup extends Identifiable, Attributes, Permissions {
-
-    /**
-     * Returns true if the user group is disabled, making membership in the group
-     * ineffective, meaning that any permissions or other group membership
-     * assigned to this group will not apply to member groups and users.
-     * 
-     * @return 
-     *     True if the group is disabled, otherwise false.
-     */
-    public boolean isDisabled();
-    
-    /**
-     * Set the disabled status of the user group, passing a boolean true value
-     * if the user group should be disabled, otherwise false.
-     * 
-     * @param disabled 
-     *     True if the user group should be disabled, otherwise false.
-     */
-    public void setDisabled(boolean disabled);
+public interface UserGroup extends Disableable, Identifiable, Attributes, Permissions {
 
     /**
      * Returns a set of all readable user groups of which this user group is a

guacamole-ext/src/main/java/org/apache/guacamole/net/auth/simple/SimpleUser.java

@@ -65,28 +65,6 @@ public class SimpleUser extends AbstractUser {
         super.setIdentifier(username);
     }
 
-    /**
-     * {@inheritDoc}
-     * 
-     * <p>This User implementation is always enabled, so this method will
-     * always return false.
-     */
-    @Override
-    public boolean isDisabled() {
-        return false;
-    }
-    
-    /**
-     * {@inheritDoc}
-     * 
-     * <p>This User implementation is always enabled, so this method will
-     * silently ignore the value passed in under the disabled parameter.
-     */
-    @Override
-    public void setDisabled(boolean disabled) {
-        // Silently ignore disabled value
-    }
-
     /**
      * Adds a new READ permission to the given set of permissions for each of
      * the given identifiers.

guacamole-ext/src/main/java/org/apache/guacamole/net/auth/simple/SimpleUserGroup.java

@@ -44,26 +44,4 @@ public class SimpleUserGroup extends AbstractUserGroup {
         super.setIdentifier(identifier);
     }
 
-    /**
-     * {@inheritDoc}
-     * 
-     * <p>This implementation of UserGroup is always enabled, so this will
-     * always return false.
-     */
-    @Override
-    public boolean isDisabled() {
-        return false;
-    }
-    
-    /**
-     * {@inheritDoc}
-     * 
-     * <p>This implementation of UserGroup is always enabled, so this method
-     * will silently ignore the value passed in the disabled parameter.
-     */
-    @Override
-    public void setDisabled(boolean disabled) {
-        // Silently ignore as the UserGroup implementation is always enabled.
-    }
-
 }