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// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2013 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package org.dogtagpki.server.tps.rest;
import java.io.UnsupportedEncodingException;
import java.net.URI;
import java.net.URLEncoder;
import java.util.Iterator;
import javax.ws.rs.core.Response;
import org.dogtagpki.server.tps.TPSSubsystem;
import org.dogtagpki.server.tps.dbs.ActivityDatabase;
import org.dogtagpki.server.tps.dbs.ActivityRecord;
import org.jboss.resteasy.plugins.providers.atom.Link;
import com.netscape.certsrv.apps.CMS;
import com.netscape.certsrv.base.BadRequestException;
import com.netscape.certsrv.base.PKIException;
import com.netscape.certsrv.dbs.IDBVirtualList;
import com.netscape.certsrv.logging.ActivityCollection;
import com.netscape.certsrv.logging.ActivityData;
import com.netscape.certsrv.logging.ActivityResource;
import com.netscape.cms.servlet.base.PKIService;
/**
* @author Endi S. Dewata
*/
public class ActivityService extends PKIService implements ActivityResource {
public ActivityService() {
CMS.debug("ActivityService.<init>()");
}
public ActivityData createActivityData(ActivityRecord activityRecord) {
ActivityData activityData = new ActivityData();
activityData.setID(activityRecord.getId());
activityData.setTokenID(activityRecord.getTokenID());
activityData.setUserID(activityRecord.getUserID());
activityData.setIP(activityRecord.getIP());
activityData.setOperation(activityRecord.getOperation());
activityData.setResult(activityRecord.getResult());
activityData.setMessage(activityRecord.getMessage());
activityData.setDate(activityRecord.getDate());
String activityID = activityRecord.getId();
try {
activityID = URLEncoder.encode(activityID, "UTF-8");
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
throw new PKIException(e.getMessage());
}
URI uri = uriInfo.getBaseUriBuilder().path(ActivityResource.class).path("{activityID}").build(activityID);
activityData.setLink(new Link("self", uri));
return activityData;
}
public ActivityRecord createActivityRecord(ActivityData activityData) {
ActivityRecord activityRecord = new ActivityRecord();
activityRecord.setId(activityData.getID());
activityRecord.setTokenID(activityData.getTokenID());
activityRecord.setUserID(activityData.getUserID());
activityRecord.setIP(activityData.getIP());
activityRecord.setOperation(activityData.getOperation());
activityRecord.setResult(activityData.getResult());
activityRecord.setMessage(activityData.getMessage());
activityRecord.setDate(activityData.getDate());
return activityRecord;
}
@Override
public Response findActivities(String filter, Integer start, Integer size) {
CMS.debug("ActivityService.findActivities()");
if (filter != null && filter.length() < MIN_FILTER_LENGTH) {
throw new BadRequestException("Filter is too short.");
}
start = start == null ? 0 : start;
size = size == null ? DEFAULT_SIZE : size;
try {
TPSSubsystem subsystem = (TPSSubsystem)CMS.getSubsystem(TPSSubsystem.ID);
ActivityDatabase database = subsystem.getActivityDatabase();
ActivityCollection response = new ActivityCollection();
if (filter == null) {
retrieveActivitiesWithVLV(database, start, size, response);
} else {
retrieveActivitiesWithoutVLV(database, filter, start, size, response);
}
if (start > 0) {
URI uri = uriInfo.getRequestUriBuilder().replaceQueryParam("start", Math.max(start - size, 0)).build();
response.addLink(new Link("prev", uri));
}
if (start + size < response.getTotal()) {
URI uri = uriInfo.getRequestUriBuilder().replaceQueryParam("start", start + size).build();
response.addLink(new Link("next", uri));
}
return createOKResponse(response);
} catch (Exception e) {
CMS.debug(e);
throw new PKIException(e.getMessage());
}
}
protected void retrieveActivitiesWithVLV(
ActivityDatabase database,
Integer start,
Integer size,
ActivityCollection response) throws Exception {
// search with VLV sorted by date in reverse order
IDBVirtualList<ActivityRecord> list = database.findRecords(
null, null, new String[] { "-date" }, size);
int total = list.getSize();
// return entries in the requested page
for (int i = start; i < start + size && i < total; i++) {
ActivityRecord record = list.getElementAt(i);
if (record == null) {
CMS.debug("ActivityService: Activity record not found");
throw new PKIException("Activity record not found");
}
response.addEntry(createActivityData(record));
}
response.setTotal(total);
}
protected void retrieveActivitiesWithoutVLV(
ActivityDatabase database,
String filter,
Integer start,
Integer size,
ActivityCollection response) throws Exception {
// search without VLV
Iterator<ActivityRecord> activities = database.findRecords(filter).iterator();
// TODO: sort results by date in reverse order
int i = 0;
// skip to the start of the page
for (; i < start && activities.hasNext(); i++)
activities.next();
// return entries in the requested page
for (; i < start + size && activities.hasNext(); i++) {
ActivityRecord record = activities.next();
response.addEntry(createActivityData(record));
}
// count the total entries
for (; activities.hasNext(); i++) activities.next();
response.setTotal(i);
}
@Override
public Response getActivity(String activityID) {
if (activityID == null) throw new BadRequestException("Activity ID is null.");
CMS.debug("ActivityService.getActivity(\"" + activityID + "\")");
try {
TPSSubsystem subsystem = (TPSSubsystem)CMS.getSubsystem(TPSSubsystem.ID);
ActivityDatabase database = subsystem.getActivityDatabase();
return createOKResponse(createActivityData(database.getRecord(activityID)));
} catch (Exception e) {
CMS.debug(e);
throw new PKIException(e.getMessage());
}
}
}
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