| /* |
| 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.wiki.ui; |
| |
| import org.apache.wiki.api.core.Command; |
| import org.apache.wiki.api.core.ContextEnum; |
| import org.apache.wiki.auth.GroupPrincipal; |
| import org.apache.wiki.auth.permissions.GroupPermission; |
| |
| import java.security.Permission; |
| |
| /** |
| * <p>Defines Commands for viewing, editing and deleting wiki groups. GroupCommands can be combined with GroupPrincipals to produce |
| * targeted Commands.</p> |
| * <p>This class is not <code>final</code>; it may be extended in the future.</p> |
| * @since 2.4.22 |
| */ |
| public final class GroupCommand extends AbstractCommand { |
| |
| /** GroupCommand for deleting a group. */ |
| public static final Command DELETE_GROUP = new GroupCommand( ContextEnum.GROUP_DELETE,null, GroupPermission.DELETE_ACTION ); |
| |
| /** GroupCommand for editing a group. */ |
| public static final Command EDIT_GROUP = new GroupCommand( ContextEnum.GROUP_EDIT, null, GroupPermission.EDIT_ACTION ); |
| |
| /** GroupCommand for viewing a group. */ |
| public static final Command VIEW_GROUP = new GroupCommand( ContextEnum.GROUP_VIEW, null, GroupPermission.VIEW_ACTION ); |
| |
| private final String m_action; |
| |
| private final Permission m_permission; |
| |
| /** |
| * Constructs a new Command with a specified wiki context, URL pattern, type, and content template. The WikiPage for this command is |
| * initialized to <code>null</code>. |
| * |
| * @param currentContext the current context. |
| * @param target the target of this command (a GroupPrincipal representing a Group); may be <code>null</code> |
| * @param action the action used to construct a suitable GroupPermission |
| * @throws IllegalArgumentException if the request content, URL pattern, or type is <code>null</code> |
| */ |
| private GroupCommand( final ContextEnum currentContext, final GroupPrincipal target, final String action ) { |
| this( currentContext.getRequestContext(), currentContext.getUrlPattern(), currentContext.getContentTemplate(), target, action ); |
| } |
| |
| /** |
| * Constructs a new Command with a specified wiki context, URL pattern, type, and content template. The WikiPage for this command is |
| * initialized to <code>null</code>. |
| * |
| * @param requestContext the request context |
| * @param urlPattern the URL pattern |
| * @param target the target of this command (a GroupPrincipal representing a Group); may be <code>null</code> |
| * @param action the action used to construct a suitable GroupPermission |
| * @param contentTemplate the content template; may be <code>null</code> |
| * @throws IllegalArgumentException if the request content, URL pattern, or type is <code>null</code> |
| */ |
| private GroupCommand( final String requestContext, |
| final String urlPattern, |
| final String contentTemplate, |
| final GroupPrincipal target, |
| final String action ) { |
| super( requestContext, urlPattern, contentTemplate, target ); |
| m_action = action; |
| if ( target == null || m_action == null ) { |
| m_permission = null; |
| } else { |
| m_permission = new GroupPermission( target.getName(), action ); |
| } |
| } |
| |
| /** |
| * Creates and returns a targeted Command by combining a GroupPrincipal with this Command. The supplied <code>target</code> object |
| * must be non-<code>null</code> and of type GroupPrincipal. If the target is not of the correct type, this method throws an |
| * {@link IllegalArgumentException}. |
| * |
| * @param target the GroupPrincipal to combine into the current Command |
| * @return the new, targeted command |
| */ |
| public Command targetedCommand( final Object target ) { |
| if( !( target instanceof GroupPrincipal ) ) { |
| throw new IllegalArgumentException( "Target must non-null and of type GroupPrincipal." ); |
| } |
| return new GroupCommand( getRequestContext(), getURLPattern(), getContentTemplate(), ( GroupPrincipal )target, m_action ); |
| } |
| |
| /** |
| * Returns the name of the command, which will either be the target (if specified), or the "friendly name" for the JSP. |
| * |
| * @return the name |
| * @see org.apache.wiki.api.core.Command#getName() |
| */ |
| public String getName() { |
| final Object target = getTarget(); |
| if ( target == null ) { |
| return getJSPFriendlyName(); |
| } |
| return ( ( GroupPrincipal ) target ).getName(); |
| } |
| |
| /** |
| * Returns the permission required to execute this GroupCommand. |
| * |
| * @return the permission |
| * @see org.apache.wiki.api.core.Command#requiredPermission() |
| */ |
| public Permission requiredPermission() { |
| return m_permission; |
| } |
| |
| } |