/*
* File: GetNextPIDHandler.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.math.BigInteger;
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.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 com.sun.xacml.attr.AttributeValue;
import com.sun.xacml.attr.IntegerAttribute;
import com.sun.xacml.attr.StringAttribute;
import com.sun.xacml.ctx.RequestCtx;
/**
* @author nishen@melcoe.mq.edu.au
*/
public class GetNextPIDHandler
extends AbstractOperationHandler {
private static final Logger logger =
LoggerFactory.getLogger(GetNextPIDHandler.class);
public GetNextPIDHandler(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("GetNextPIDHandler/handleRequest!");
RequestCtx req = null;
Object oMap = null;
BigInteger numPids = null;
String pidNamespace = 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 {
numPids = (BigInteger) callGetter("getNumPIDs",oMap);
pidNamespace = (String) callGetter("getPidNamespace", 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.getRepositoryResources();
if (numPids != null && !"".equals(numPids)) {
resAttr.put(Constants.OBJECT.N_PIDS.getURI(),
new IntegerAttribute(numPids.intValue()));
}
if (pidNamespace != null && !"".equals(pidNamespace)) {
resAttr.put(Constants.OBJECT.NAMESPACE.getURI(),
new StringAttribute(pidNamespace));
}
actions.put(Constants.ACTION.ID.getURI(),
Constants.ACTION.GET_NEXT_PID
.getStringAttribute());
actions.put(Constants.ACTION.API.getURI(),
Constants.ACTION.APIM.getStringAttribute());
req =
getContextHandler().buildRequest(getSubjects(context),
actions,
resAttr,
getEnvironment(context));
LogUtil.statLog(getUser(context),
Constants.ACTION.GET_NEXT_PID.uri,
Constants.FEDORA_REPOSITORY_PID.uri,
null);
} catch (Exception e) {
logger.error(e.getMessage(), e);
throw new OperationHandlerException(e.getMessage(), e);
}
return req;
}
}