| /* |
| 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.api.core.Page; |
| import org.apache.wiki.auth.permissions.PagePermission; |
| import org.apache.wiki.auth.permissions.PermissionFactory; |
| |
| import java.security.Permission; |
| |
| /** |
| * <p>Defines Commands for editing, renaming, and viewing wiki pages. PageCommands can be combined with WikiPages to produce |
| * targeted Commands.</p> |
| * |
| * @since 2.4.22 |
| */ |
| public final class PageCommand extends AbstractCommand { |
| |
| public static final Command ATTACH = new PageCommand( ContextEnum.PAGE_ATTACH, null, PagePermission.UPLOAD_ACTION ); |
| public static final Command COMMENT = new PageCommand( ContextEnum.PAGE_COMMENT, null, PagePermission.COMMENT_ACTION ); |
| public static final Command CONFLICT = new PageCommand( ContextEnum.PAGE_CONFLICT, null, PagePermission.VIEW_ACTION ); |
| public static final Command DELETE = new PageCommand( ContextEnum.PAGE_DELETE, null, PagePermission.DELETE_ACTION ); |
| public static final Command DIFF = new PageCommand( ContextEnum.PAGE_DIFF, null, PagePermission.VIEW_ACTION ); |
| public static final Command EDIT = new PageCommand( ContextEnum.PAGE_EDIT, null, PagePermission.EDIT_ACTION ); |
| public static final Command INFO = new PageCommand( ContextEnum.PAGE_INFO, null, PagePermission.VIEW_ACTION ); |
| public static final Command PREVIEW = new PageCommand( ContextEnum.PAGE_PREVIEW, null, PagePermission.VIEW_ACTION ); |
| public static final Command RENAME = new PageCommand( ContextEnum.PAGE_RENAME, null, PagePermission.RENAME_ACTION ); |
| public static final Command RSS = new PageCommand( ContextEnum.PAGE_RSS, null, PagePermission.VIEW_ACTION ); |
| public static final Command UPLOAD = new PageCommand( ContextEnum.PAGE_UPLOAD, null, PagePermission.UPLOAD_ACTION ); |
| public static final Command VIEW = new PageCommand( ContextEnum.PAGE_VIEW, null, PagePermission.VIEW_ACTION ); |
| public static final Command NONE = new PageCommand( ContextEnum.PAGE_NONE, null, null ); |
| public static final Command OTHER = NONE; |
| |
| 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 target for this command is |
| * initialized to <code>null</code>. |
| * |
| * @param currentContext the current context. |
| * @param target the target of the command (a WikiPage); may be <code>null</code> |
| * @param action the action used to construct a suitable PagePermission |
| * @throws IllegalArgumentException if the request content, URL pattern, or type is <code>null</code> |
| */ |
| private PageCommand( final ContextEnum currentContext, final Page 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 target for this command is |
| * initialized to <code>null</code>. |
| * |
| * @param requestContext the request context |
| * @param urlPattern the URL pattern |
| * @param target the target of the command (a WikiPage); may be <code>null</code> |
| * @param action the action used to construct a suitable PagePermission |
| * @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 PageCommand( final String requestContext, |
| final String urlPattern, |
| final String contentTemplate, |
| final Page target, |
| final String action ) { |
| super( requestContext, urlPattern, contentTemplate, target ); |
| m_action = action; |
| if( target == null || m_action == null ) { |
| m_permission = null; |
| } else { |
| m_permission = PermissionFactory.getPagePermission( target, action ); |
| } |
| } |
| |
| /** |
| * Creates and returns a targeted Command by combining a WikiPage with this Command. The supplied <code>target</code> object |
| * must be non-<code>null</code> and of type WikiPage. |
| * |
| * @param target the WikiPage to combine into the current Command |
| * @return the new targeted command |
| * @throws IllegalArgumentException if the target is not of the correct type |
| */ |
| public Command targetedCommand( final Object target ) { |
| if( !( target instanceof Page ) ) { |
| throw new IllegalArgumentException( "Target must non-null and of type Page." ); |
| } |
| return new PageCommand( getRequestContext(), getURLPattern(), getContentTemplate(), ( Page )target, m_action ); |
| } |
| |
| /** |
| * @see org.apache.wiki.api.core.Command#getName() |
| */ |
| public String getName() { |
| final Object target = getTarget(); |
| if( target == null ) { |
| return getJSPFriendlyName(); |
| } |
| return ( ( Page )target ).getName(); |
| } |
| |
| /** |
| * @see org.apache.wiki.api.core.Command#requiredPermission() |
| */ |
| public Permission requiredPermission() { |
| return m_permission; |
| } |
| |
| } |