/*
* $Header: /home/cvspublic/jakarta-slide/src/webdav/client/src/org/apache/webdav/lib/properties/SupportedLockProperty.java,v 1.2 2001/05/18 06:44:40 jericho Exp $
* $Revision: 1.2 $
* $Date: 2001/05/18 06:44:40 $
*
* ====================================================================
*
* 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.Lock;
import org.apache.webdav.lib.methods.DepthSupport;
/**
* @author BC Holmes
* @author <a href="mailto:jericho@thinkfree.com">Park, Sung-Gu</a>
* @version $Revision: 1.2 $
*/
public class SupportedLockProperty extends BaseProperty {
// -------------------------------------------------------------- Constants
/**
* The property name.
*/
public static final String TAG_NAME = "supportedlock";
// ----------------------------------------------------------- Constructors
/**
* Default constructor for the property.
*/
public SupportedLockProperty(ResponseEntity response, Element element) {
super(response, element);
}
// --------------------------------------------------------- Public Methods
/**
* Get the lockentry in this supportedlock property.
*
* @return Lock[] A lock array.
*/
public Lock[] getLockEntries() {
NodeList children = element.getChildNodes();
if (children == null || children.getLength() == 0)
return null;
ArrayList locks = 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 ("lockentry".equals(localName)) {
locks.add(parseLock(child));
}
}
} catch (ClassCastException e) {
}
}
return (Lock[]) locks.toArray();
}
// ------------------------------------------------------ Protected Methods
/**
* Parse a lock.
*/
protected Lock parseLock(Element element) {
int ls = -1;
Element child = DOMUtils.getFirstElement(element, "DAV:", "lockscope");
if (child != null) {
Element lockScope =
DOMUtils.getFirstElement(child, "DAV:", "exclusive");
if (lockScope != null) {
ls = Lock.SCOPE_EXCLUSIVE;
}
lockScope = DOMUtils.getFirstElement(child, "DAV:", "shared");
if (lockScope != null) {
ls = Lock.SCOPE_SHARED;
}
}
int lt = -1;
child = DOMUtils.getFirstElement(element, "DAV:", "locktype");
if (child != null) {
Element lockType =
DOMUtils.getFirstElement(child, "DAV:", "write");
if (lockType != null) {
lt = Lock.TYPE_WRITE;
}
}
return new Lock(ls, lt);
}
}