/*
* 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.apache.qpid.server.management.plugin.servlet.rest;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.qpid.server.logging.LogRecorder;
import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.map.SerializationConfig;
public class LogRecordsServlet extends AbstractServlet
{
private static final long serialVersionUID = 2L;
public static final String PARAM_LAST_LOG_ID = "lastLogId";
public LogRecordsServlet()
{
super();
}
@Override
protected void doGetWithSubjectAndActor(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException
{
response.setContentType("application/json");
response.setStatus(HttpServletResponse.SC_OK);
response.setHeader("Cache-Control","no-cache");
response.setHeader("Pragma","no-cache");
response.setDateHeader ("Expires", 0);
if (!getBroker().getSecurityManager().authoriseLogsAccess())
{
response.sendError(HttpServletResponse.SC_FORBIDDEN, "Broker logs access is denied");
return;
}
long lastLogId = 0;
try
{
lastLogId = Long.parseLong(request.getParameter(PARAM_LAST_LOG_ID));
}
catch(Exception e)
{
// ignore null and incorrect parameter values
}
List<Map<String,Object>> logRecords = new ArrayList<Map<String, Object>>();
LogRecorder logRecorder = getBroker().getLogRecorder();
for(LogRecorder.Record record : logRecorder)
{
if (record.getId() > lastLogId)
{
logRecords.add(logRecordToObject(record));
}
}
final PrintWriter writer = response.getWriter();
ObjectMapper mapper = new ObjectMapper();
mapper.configure(SerializationConfig.Feature.INDENT_OUTPUT, true);
mapper.writeValue(writer, logRecords);
response.setStatus(HttpServletResponse.SC_OK);
}
private Map<String, Object> logRecordToObject(LogRecorder.Record record)
{
Map<String, Object> recordMap = new LinkedHashMap<String, Object>();
recordMap.put("id",record.getId());
recordMap.put("timestamp", record.getTimestamp());
recordMap.put("level", record.getLevel());
recordMap.put("thread", record.getThreadName());
recordMap.put("logger", record.getLogger());
recordMap.put("message", record.getMessage());
return recordMap;
}
}