/*
* File: ExportHandler.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 melcoe.fedora.pep.ws.operations;
import java.net.URI;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import melcoe.fedora.pep.PEPException;
import melcoe.fedora.util.LogUtil;
import org.apache.axis.AxisFault;
import org.apache.axis.MessageContext;
import org.apache.log4j.Logger;
import com.sun.xacml.attr.AnyURIAttribute;
import com.sun.xacml.attr.AttributeValue;
import com.sun.xacml.attr.StringAttribute;
import com.sun.xacml.ctx.RequestCtx;
import fedora.common.Constants;
/**
* @author nishen@melcoe.mq.edu.au
*/
public class ExportHandler
extends AbstractOperationHandler {
private static Logger log = Logger.getLogger(ExportHandler.class.getName());
public ExportHandler()
throws PEPException {
super();
}
public RequestCtx handleResponse(MessageContext context)
throws OperationHandlerException {
return null;
}
public RequestCtx handleRequest(MessageContext context)
throws OperationHandlerException {
log.debug("ExportHandler/handleRequest!");
RequestCtx req = null;
List<Object> oMap = null;
String pid = null;
String format = null;
String eContext = null;
try {
oMap = getSOAPRequestObjects(context);
log.debug("Retrieved SOAP Request Objects");
} catch (AxisFault af) {
log.error("Error obtaining SOAP Request Objects", af);
throw new OperationHandlerException("Error obtaining SOAP Request Objects",
af);
}
try {
pid = (String) oMap.get(0);
format = (String) oMap.get(1);
eContext = (String) oMap.get(2);
} catch (Exception e) {
log.error("Error obtaining parameters", e);
throw new OperationHandlerException("Error obtaining parameters.",
e);
}
log.debug("Extracted SOAP Request Objects");
Map<URI, AttributeValue> resAttr = new HashMap<URI, AttributeValue>();
Map<URI, AttributeValue> actions = new HashMap<URI, AttributeValue>();
try {
if (pid != null && !"".equals(pid)) {
resAttr.put(Constants.OBJECT.PID.getURI(),
new StringAttribute(pid));
}
if (pid != null && !"".equals(pid)) {
resAttr.put(new URI(XACML_RESOURCE_ID),
new AnyURIAttribute(new URI(pid)));
}
if (format != null && !"".equals(format)) {
resAttr.put(Constants.OBJECT.ENCODING.getURI(),
new StringAttribute(format));
}
if (eContext != null && !"".equals(eContext)) {
resAttr.put(Constants.OBJECT.CONTEXT.getURI(),
new StringAttribute(eContext));
}
actions.put(Constants.ACTION.ID.getURI(),
new StringAttribute(Constants.ACTION.EXPORT.getURI()
.toASCIIString()));
actions.put(Constants.ACTION.API.getURI(),
new StringAttribute(Constants.ACTION.APIM.getURI()
.toASCIIString()));
req =
getContextHandler().buildRequest(getSubjects(context),
actions,
resAttr,
getEnvironment(context));
LogUtil.statLog(context.getUsername(), Constants.ACTION.EXPORT
.getURI().toASCIIString(), pid, null);
} catch (Exception e) {
log.error(e.getMessage(), e);
throw new OperationHandlerException(e.getMessage(), e);
}
return req;
}
}