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Posted to slide-dev@jakarta.apache.org by re...@apache.org on 2001/05/17 20:30:58 UTC

cvs commit: jakarta-slide/src/webdav/client/src/org/apache/webdav/lib/properties AclProperty.java

remm        01/05/17 11:30:58

  Added:       src/webdav/client/src/org/apache/webdav/lib/properties
                        AclProperty.java
  Log:
  - Support for the ACL property.
  
  Revision  Changes    Path
  1.1                  jakarta-slide/src/webdav/client/src/org/apache/webdav/lib/properties/AclProperty.java
  
  Index: AclProperty.java
  ===================================================================
  /*
   * $Header: /home/cvs/jakarta-slide/src/webdav/client/src/org/apache/webdav/lib/properties/AclProperty.java,v 1.1 2001/05/17 18:30:57 remm Exp $
   * $Revision: 1.1 $
   * $Date: 2001/05/17 18:30:57 $
   *
   * ====================================================================
   *
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 1999 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution, if
   *    any, must include the following acknowlegement:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowlegement may appear in the software itself,
   *    if and wherever such third-party acknowlegements normally appear.
   *
   * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived
   *    from this software without prior written permission. For written
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache"
   *    nor may "Apache" appear in their names without prior written
   *    permission of the Apache Group.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   * [Additional notices, if required by prior licensing conditions]
   *
   */
  
  package org.apache.webdav.lib.properties;
  
  import java.util.Enumeration;
  import java.util.ArrayList;
  
  import org.w3c.dom.Element;
  import org.w3c.dom.NodeList;
  import org.w3c.dom.Node;
  
  import org.apache.util.DOMUtils;
  
  import org.apache.webdav.lib.ResponseEntity;
  import org.apache.webdav.lib.BaseProperty;
  import org.apache.webdav.lib.Privilege;
  import org.apache.webdav.lib.Ace;
  
  /**
   * This interface models the <code>&lt;D:acl&gt;</code> property, which is
   * defined in the WebDAV Access Control Protocol specification.
   *
   * @author Remy Maucherat
   * @version $Revision: 1.1 $
   */
  public class AclProperty extends BaseProperty {
  
  
      // -------------------------------------------------------------- Constants
  
  
      /**
       * The property name.
       */
      public static final String TAG_NAME = "acl";
  
  
      // ----------------------------------------------------------- Constructors
  
  
      /**
       * Default constructor for the property.
       */
      public AclProperty(ResponseEntity response, Element element) {
          super(response, element);
      }
  
  
      // --------------------------------------------------------- Public Methods
  
  
      /**
       * Returns the Aces present in this acl property.
       * 
       * @return Ace[] An Ace array.
       */
      public Ace[] getAces() {
          NodeList children = element.getChildNodes();
          if (children == null || children.getLength() == 0)
              return null;
          ArrayList aces = new ArrayList();
          for (int i = 0; i < children.getLength(); i++) {
              try {
                  Element child = (Element) children.item(i);
                  String namespace = DOMUtils.getElementNamespaceURI(child);
                  if (namespace != null && namespace.equals("DAV:")) {
                      String localName = DOMUtils.getElementLocalName(child);
                      if ("ace".equals(localName)) {
                          aces.add(parseAce(child));
                      }
                  }
              } catch (ClassCastException e) {
              }
          }
          return (Ace[]) aces.toArray();
      }
  
  
      // ------------------------------------------------------ Protected Methods
  
  
      /**
       * Parse an ace.
       */
      protected Ace parseAce(Element element) {
  
          String principal = null;
          Element child = DOMUtils.getFirstElement(element, "DAV:", "pricipal");
          if (child != null) {
              principal = DOMUtils.getTextValue(child);
          }
  
          Ace ace = new Ace(principal);
  
          child = DOMUtils.getFirstElement(element, "DAV:", "grant");
          if (child == null) {
              child = DOMUtils.getFirstElement(element, "DAV:", "deny");
              ace.setNegative(true);
           }
          if (child != null) {
              NodeList privilegeElements = 
                  child.getElementsByTagNameNS("DAV:", "privilege");
              for (int i = 0; i < privilegeElements.getLength(); i++) {
                  Element privilegeElement = (Element) privilegeElements.item(i);
                  ace.addPrivilege(parsePrivilege(privilegeElement));
              }
          }
  
          child = DOMUtils.getFirstElement(element, "DAV:", "inherited");
          if (child != null) {
              ace.setInherited(true);
              ace.setInheritedFrom(DOMUtils.getTextValue(child));
          }
          
          child = DOMUtils.getFirstElement(element, "DAV:", "protected");
          if (child != null) {
              ace.setProtected(true);
          }
          
          return ace;
          
      }
  
  
      /**
       * Parse a privilege element.
       */
      protected Privilege parsePrivilege(Element privilegeElement) {
          return new Privilege(privilegeElement.getNamespaceURI(),
                               privilegeElement.getLocalName(), null);
      }
  
  
  }