/*
* File: ModifyDatastreamByReferenceHandler.java
*
* Copyright 2007 Macquarie E-Learning Centre Of Excellence
*
* Licensed 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.fcrepo.server.security.xacml.pep.ws.operations;
import java.net.URI;
import java.util.HashMap;
import java.util.Map;
import javax.xml.ws.handler.soap.SOAPMessageContext;
import org.apache.cxf.binding.soap.SoapFault;
import org.fcrepo.common.Constants;
import org.fcrepo.server.security.RequestCtx;
import org.fcrepo.server.security.xacml.pdp.data.FedoraPolicyStore;
import org.fcrepo.server.security.xacml.pep.ContextHandler;
import org.fcrepo.server.security.xacml.pep.PEPException;
import org.fcrepo.server.security.xacml.pep.ResourceAttributes;
import org.fcrepo.server.security.xacml.util.LogUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.jboss.security.xacml.sunxacml.attr.AnyURIAttribute;
import org.jboss.security.xacml.sunxacml.attr.AttributeValue;
import org.jboss.security.xacml.sunxacml.attr.StringAttribute;
/**
* @author nishen@melcoe.mq.edu.au
*/
public class ModifyDatastreamByReferenceHandler
extends AbstractOperationHandler {
private static final Logger logger =
LoggerFactory.getLogger(ModifyDatastreamByReferenceHandler.class);
public ModifyDatastreamByReferenceHandler(ContextHandler contextHandler)
throws PEPException {
super(contextHandler);
}
@Override
public RequestCtx handleResponse(SOAPMessageContext context)
throws OperationHandlerException {
return null;
}
@Override
public RequestCtx handleRequest(SOAPMessageContext context)
throws OperationHandlerException {
logger.debug("ModifyDatastreamByReferenceHandler/handleRequest!");
RequestCtx req = null;
Object oMap = null;
String pid = null;
String dsID = null;
String mimeType = null;
String formatURI = null;
String dsLocation = null;
String checksumType = null;
String checksum = null;
try {
oMap = getSOAPRequestObjects(context);
logger.debug("Retrieved SOAP Request Objects");
} catch (SoapFault af) {
logger.error("Error obtaining SOAP Request Objects", af);
throw new OperationHandlerException("Error obtaining SOAP Request Objects",
af);
}
try {
pid = (String) callGetter("getPid",oMap);
dsID = (String) callGetter("getDsID", oMap);
mimeType = (String) callGetter("getMIMEType", oMap);
formatURI = (String) callGetter("getFormatURI", oMap);
dsLocation = (String) callGetter("getDsLocation", oMap);
checksumType = (String) callGetter("getChecksumType", oMap);
checksum = (String) callGetter("getChecksum", oMap);
} catch (Exception e) {
logger.error("Error obtaining parameters", e);
throw new OperationHandlerException("Error obtaining parameters.",
e);
}
logger.debug("Extracted SOAP Request Objects");
Map<URI, AttributeValue> actions = new HashMap<URI, AttributeValue>();
Map<URI, AttributeValue> resAttr;
try {
resAttr = ResourceAttributes.getResources(pid);
if (dsID != null && !dsID.isEmpty()) {
resAttr.put(Constants.DATASTREAM.ID.getURI(),
new StringAttribute(dsID));
}
if (mimeType != null && !mimeType.isEmpty()) {
resAttr.put(Constants.DATASTREAM.NEW_MIME_TYPE.getURI(),
new StringAttribute(mimeType));
}
if (formatURI != null && !formatURI.isEmpty()) {
resAttr.put(Constants.DATASTREAM.NEW_FORMAT_URI.getURI(),
new AnyURIAttribute(new URI(formatURI)));
}
if (dsLocation != null && !dsLocation.isEmpty()) {
resAttr.put(Constants.DATASTREAM.NEW_LOCATION.getURI(),
new AnyURIAttribute(new URI(dsLocation)));
}
if (checksumType != null && !checksumType.isEmpty()) {
resAttr.put(Constants.DATASTREAM.NEW_CHECKSUM_TYPE.getURI(),
new StringAttribute(checksumType));
}
if (checksum != null && !checksum.isEmpty()) {
resAttr.put(Constants.DATASTREAM.NEW_CHECKSUM.getURI(),
new StringAttribute(checksum));
}
actions
.put(Constants.ACTION.ID.getURI(),
Constants.ACTION.MODIFY_DATASTREAM_BY_REFERENCE
.getStringAttribute());
actions.put(Constants.ACTION.API.getURI(),
Constants.ACTION.APIM
.getStringAttribute());
// modifying the FeSL policy datastream requires policy management permissions
if (dsID != null && dsID.equals(FedoraPolicyStore.FESL_POLICY_DATASTREAM)) {
actions.put(Constants.ACTION.ID.getURI(),
Constants.ACTION.MANAGE_POLICIES.getStringAttribute());
}
req =
getContextHandler().buildRequest(getSubjects(context),
actions,
resAttr,
getEnvironment(context));
LogUtil.statLog(getUser(context),
Constants.ACTION.MODIFY_DATASTREAM_BY_REFERENCE
.uri,
pid,
dsID);
} catch (Exception e) {
logger.error(e.getMessage(), e);
throw new OperationHandlerException(e.getMessage(), e);
}
return req;
}
}