/*
* 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.jackrabbit.webdav;
import org.apache.jackrabbit.webdav.property.DavPropertyNameSet;
import org.apache.jackrabbit.webdav.xml.DomUtil;
import org.apache.jackrabbit.webdav.xml.ElementIterator;
import org.apache.jackrabbit.webdav.xml.XmlSerializable;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import java.util.LinkedHashMap;
import java.util.Map;
/**
* MultiStatus representing the content of a multistatus response body and
* allows to retrieve the Xml representation.
*/
public class MultiStatus implements DavConstants, XmlSerializable {
/**
* Map collecting the responses for this multistatus, where every href must
* only occur one single time.
*/
private Map<String, MultiStatusResponse> responses = new LinkedHashMap<String, MultiStatusResponse>();
/**
* A general response description at the multistatus top level is used to
* provide a general message describing the overarching nature of the response.
* If this value is available an application may use it instead of
* presenting the individual response descriptions contained within the
* responses.
*/
private String responseDescription;
/**
* Add response(s) to this multistatus, in order to build a multistatus for
* responding to a PROPFIND request.
*
* @param resource The resource to add property from
* @param propNameSet The requested property names of the PROPFIND request
* @param propFindType
* @param depth
*/
public void addResourceProperties(DavResource resource, DavPropertyNameSet propNameSet,
int propFindType, int depth) {
addResponse(new MultiStatusResponse(resource, propNameSet, propFindType));
if (depth > 0 && resource.isCollection()) {
DavResourceIterator iter = resource.getMembers();
while (iter.hasNext()) {
addResourceProperties(iter.nextResource(), propNameSet, propFindType, depth-1);
}
}
}
/**
* Add response(s) to this multistatus, in order to build a multistatus e.g.
* in order to respond to a PROPFIND request. Please note, that in terms
* of PROPFIND, this method would correspond to a
* {@link DavConstants#PROPFIND_BY_PROPERTY} propfind type.
*
* @param resource The resource to add property from
* @param propNameSet The requested property names of the PROPFIND request
* @param depth
* @see #addResourceProperties(DavResource, DavPropertyNameSet, int, int) for
* the corresponding method that allows to specify the type.
*/
public void addResourceProperties(DavResource resource, DavPropertyNameSet propNameSet,
int depth) {
addResourceProperties(resource, propNameSet, PROPFIND_BY_PROPERTY, depth);
}
/**
* Add response(s) to this multistatus, in order to build a multistatus
* as returned for COPY, MOVE, LOCK or DELETE requests resulting in an error
* with a resource other than the resource identified in the Request-URI.
*
* @param resource
* @param status
* @param depth
*/
public void addResourceStatus(DavResource resource, int status, int depth) {
addResponse(new MultiStatusResponse(resource.getHref(), status));
if (depth > 0 && resource.isCollection()) {
DavResourceIterator iter = resource.getMembers();
while (iter.hasNext()) {
addResourceStatus(iter.nextResource(), status, depth-1);
}
}
}
/**
* Add a <code>MultiStatusResponse</code> element to this <code>MultiStatus</code>
* <p>
* This method is synchronized to avoid the problem described in
* <a href="https://issues.apache.org/jira/browse/JCR-2755">JCR-2755</a>.
*
* @param response
*/
public synchronized void addResponse(MultiStatusResponse response) {
responses.put(response.getHref(), response);
}
/**
* Returns the multistatus responses present as array.
* <p>
* This method is synchronized to avoid the problem described in
* <a href="https://issues.apache.org/jira/browse/JCR-2755">JCR-2755</a>.
*
* @return array of all {@link MultiStatusResponse responses} present in this
* multistatus.
*/
public synchronized MultiStatusResponse[] getResponses() {
return responses.values().toArray(new MultiStatusResponse[responses.size()]);
}
/**
* Set the response description.
*
* @param responseDescription
*/
public void setResponseDescription(String responseDescription) {
this.responseDescription = responseDescription;
}
/**
* Returns the response description.
*
* @return responseDescription
*/
public String getResponseDescription() {
return responseDescription;
}
/**
* Return the Xml representation of this <code>MultiStatus</code>.
*
* @return Xml document
* @param document
*/
public Element toXml(Document document) {
Element multistatus = DomUtil.createElement(document, XML_MULTISTATUS, NAMESPACE);
for (MultiStatusResponse resp : getResponses()) {
multistatus.appendChild(resp.toXml(document));
}
if (responseDescription != null) {
Element respDesc = DomUtil.createElement(document, XML_RESPONSEDESCRIPTION, NAMESPACE, responseDescription);
multistatus.appendChild(respDesc);
}
return multistatus;
}
/**
* Build a <code>MultiStatus</code> from the specified xml element.
*
* @param multistatusElement
* @return new <code>MultiStatus</code> instance.
* @throws IllegalArgumentException if the given document is <code>null</code>
* or does not provide the required element.
*/
public static MultiStatus createFromXml(Element multistatusElement) {
if (!DomUtil.matches(multistatusElement, XML_MULTISTATUS, NAMESPACE)) {
throw new IllegalArgumentException("DAV:multistatus element expected.");
}
MultiStatus multistatus = new MultiStatus();
ElementIterator it = DomUtil.getChildren(multistatusElement, XML_RESPONSE, NAMESPACE);
while (it.hasNext()) {
Element respElem = it.nextElement();
MultiStatusResponse response = MultiStatusResponse.createFromXml(respElem);
multistatus.addResponse(response);
}
// optional response description on the multistatus element
multistatus.setResponseDescription(DomUtil.getChildText(multistatusElement, XML_RESPONSEDESCRIPTION, NAMESPACE));
return multistatus;
}
}