/*
* 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.jclouds.s3.xml;
import static org.jclouds.util.SaxUtils.currentOrNull;
import java.net.URI;
import org.jclouds.http.functions.ParseSax;
import org.jclouds.s3.domain.AccessControlList;
import org.jclouds.s3.domain.AccessControlList.CanonicalUserGrantee;
import org.jclouds.s3.domain.AccessControlList.EmailAddressGrantee;
import org.jclouds.s3.domain.AccessControlList.Grantee;
import org.jclouds.s3.domain.AccessControlList.GroupGrantee;
import org.jclouds.s3.domain.CanonicalUser;
import org.xml.sax.Attributes;
/**
* Parses the following XML document:
* <p/>
* AccessControlPolicy xmlns="http://s3.amazonaws.com/doc/2006-03-01/"
*
* @author James Murty
* @see <a href="http://docs.amazonwebservices.com/AmazonS3/2006-03-01/RESTAccessPolicy.html"/>
*/
public class AccessControlListHandler extends ParseSax.HandlerWithResult<AccessControlList> {
private AccessControlList acl = new AccessControlList();
private StringBuilder currentText = new StringBuilder();
public AccessControlListHandler() {
}
public AccessControlList getResult() {
return acl;
}
private String currentId;
private String currentDisplayName;
private String currentGranteeType;
private String currentPermission;
private Grantee currentGrantee;
public void startElement(String uri, String name, String qName, Attributes attrs) {
if (qName.equals("Grantee")) {
currentGranteeType = attrs.getValue("xsi:type");
}
}
public void endElement(String uri, String name, String qName) {
if (qName.equals("Owner")) {
CanonicalUser owner = new CanonicalUser(currentId);
owner.setDisplayName(currentDisplayName);
acl.setOwner(owner);
} else if (qName.equals("Grantee")) {
if ("AmazonCustomerByEmail".equals(currentGranteeType)) {
currentGrantee = new EmailAddressGrantee(currentId);
} else if ("CanonicalUser".equals(currentGranteeType)) {
currentGrantee = new CanonicalUserGrantee(currentId, currentDisplayName);
} else if ("Group".equals(currentGranteeType)) {
currentGrantee = new GroupGrantee(URI.create(currentId));
}
} else if (qName.equals("Grant")) {
acl.addPermission(currentGrantee, currentPermission);
}
else if (qName.equals("ID") || qName.equals("EmailAddress") || qName.equals("URI")) {
currentId = currentOrNull(currentText);
} else if (qName.equals("DisplayName")) {
currentDisplayName = currentOrNull(currentText);
} else if (qName.equals("Permission")) {
currentPermission = currentOrNull(currentText);
}
currentText = new StringBuilder();
}
public void characters(char ch[], int start, int length) {
currentText.append(ch, start, length);
}
}