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org.apache.uima.ducc.ws.server.DuccHandlerProxy Maven / Gradle / Ivy
/*
* 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.uima.ducc.ws.server;
import java.io.IOException;
import java.util.concurrent.ConcurrentHashMap;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.uima.ducc.common.json.MonitorInfo;
import org.apache.uima.ducc.common.utils.DuccLogger;
import org.apache.uima.ducc.common.utils.id.DuccId;
import org.apache.uima.ducc.ws.server.IWebMonitor.MonitorType;
import org.eclipse.jetty.server.Request;
import com.google.gson.Gson;
public class DuccHandlerProxy extends DuccAbstractHandler {
private static DuccLogger duccLogger = DuccLogger.getLogger(DuccHandlerProxy.class);
private static DuccId jobid = null;
public final String proxyJobStatus = duccContextProxy+"-job-status";
public final String proxyJobMonitorReport = duccContextProxy+"-job-monitor-report";
public final String proxyReservationStatus = duccContextProxy+"-reservation-status";
public final String proxyReservationMonitorReport = duccContextProxy+"-reservation-monitor-report";
public final String proxyManagedReservationStatus = duccContextProxy+"-managed-reservation-status";
public final String proxyManagedReservationMonitorReport = duccContextProxy+"-managed-reservation-monitor-report";
DuccWebMonitor duccWebMonitor = DuccWebMonitor.getInstance();
private boolean isIdMissing(String id) {
boolean retVal = false;
if(id.length() == 0) {
retVal = true;
}
return retVal;
}
private boolean isIdInvalid(String id) {
boolean retVal = false;
try {
int value = Integer.parseInt(id);
if(value < 0) {
retVal = true;
}
}
catch(Exception e) {
retVal = true;
}
return retVal;
}
private void handleServletJobStatus(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException
{
String location = "handleServletJobStatus";
duccLogger.trace(location, jobid, "enter");
duccLogger.info(location, jobid, request.toString());
String jobId = request.getParameter("id");
if(jobId != null) {
jobId = jobId.trim();
}
else {
jobId = "";
}
if(isIdMissing(jobId)) {
String message = "id missing";
duccLogger.info(location, jobid, message);
response.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
}
else if(isIdInvalid(jobId)) {
String message = "id invalid";
duccLogger.info(location, jobid, message);
response.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
}
else {
MonitorInfo monitorInfo = duccWebMonitor.renew(MonitorType.Job, jobId);
Gson gson = new Gson();
String jSon = gson.toJson(monitorInfo);
duccLogger.debug(location, jobid, jSon);
response.getWriter().println(jSon);
response.setContentType("application/json");
}
duccLogger.trace(location, jobid, "exit");
}
private void handleServletJobMonitorReport(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException
{
String location = "handleServletJobMonitorReport";
duccLogger.trace(location, jobid, "enter");
duccLogger.info(location, jobid, request.toString());
ConcurrentHashMap eMap = duccWebMonitor.getExpiryMap(MonitorType.Job);
Gson gson = new Gson();
String jSon = gson.toJson(eMap);
duccLogger.debug(location, jobid, jSon);
response.getWriter().println(jSon);
response.setContentType("application/json");
duccLogger.trace(location, jobid, "exit");
}
private void handleServletReservationStatus(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException
{
String location = "handleServletReservationStatus";
duccLogger.trace(location, jobid, "enter");
duccLogger.info(location, jobid, request.toString());
String id = request.getParameter("id");
if(id != null) {
id = id.trim();
}
else {
id = "";
}
if(isIdMissing(id)) {
String message = "id missing";
duccLogger.info(location, jobid, message);
response.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
}
else if(isIdInvalid(id)) {
String message = "id invalid";
duccLogger.info(location, jobid, message);
response.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
}
else {
MonitorInfo monitorInfo = duccWebMonitor.renew(MonitorType.UnmanagedReservation, id);
Gson gson = new Gson();
String jSon = gson.toJson(monitorInfo);
duccLogger.debug(location, jobid, jSon);
response.getWriter().println(jSon);
response.setContentType("application/json");
}
duccLogger.trace(location, jobid, "exit");
}
private void handleServletReservationMonitorReport(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException
{
String location = "handleServletReservationMonitorReport";
duccLogger.trace(location, jobid, "enter");
duccLogger.info(location, jobid, request.toString());
ConcurrentHashMap eMap = duccWebMonitor.getExpiryMap(MonitorType.UnmanagedReservation);
Gson gson = new Gson();
String jSon = gson.toJson(eMap);
duccLogger.debug(location, jobid, jSon);
response.getWriter().println(jSon);
response.setContentType("application/json");
duccLogger.trace(location, jobid, "exit");
}
private void handleServletManagedReservationStatus(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException
{
String location = "handleServletManagedReservationStatus";
duccLogger.trace(location, jobid, "enter");
duccLogger.info(location, jobid, request.toString());
String id = request.getParameter("id");
if(id != null) {
id = id.trim();
}
else {
id = "";
}
if(isIdMissing(id)) {
String message = "id missing";
duccLogger.info(location, jobid, message);
response.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
}
else if(isIdInvalid(id)) {
String message = "id invalid";
duccLogger.info(location, jobid, message);
response.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
}
else {
MonitorInfo monitorInfo = duccWebMonitor.renew(MonitorType.ManagedReservation, id);
Gson gson = new Gson();
String jSon = gson.toJson(monitorInfo);
duccLogger.debug(location, jobid, jSon);
response.getWriter().println(jSon);
response.setContentType("application/json");
}
duccLogger.trace(location, jobid, "exit");
}
private void handleServletManagedReservationMonitorReport(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException
{
String location = "handleServletManagedReservationMonitorReport";
duccLogger.trace(location, jobid, "enter");
duccLogger.info(location, jobid, request.toString());
ConcurrentHashMap eMap = duccWebMonitor.getExpiryMap(MonitorType.ManagedReservation);
Gson gson = new Gson();
String jSon = gson.toJson(eMap);
duccLogger.debug(location, jobid, jSon);
response.getWriter().println(jSon);
response.setContentType("application/json");
duccLogger.trace(location, jobid, "exit");
}
private void handleServletUnknown(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException
{
String location = "handleServletUnknown";
duccLogger.trace(location, jobid, "enter");
duccLogger.info(location, jobid, request.toString());
duccLogger.trace(location, jobid, "exit");
}
private void handleDuccRequest(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException
{
String location = "handleDuccRequest";
duccLogger.trace(location, jobid, "enter");
duccLogger.debug(location, jobid, request.toString());
duccLogger.debug(location, jobid, "getRequestURI():"+request.getRequestURI());
String reqURI = request.getRequestURI()+"";
if(reqURI.startsWith(proxyJobStatus)) {
handleServletJobStatus(target, baseRequest, request, response);
}
else if(reqURI.startsWith(proxyJobMonitorReport)) {
handleServletJobMonitorReport(target, baseRequest, request, response);
}
else if(reqURI.startsWith(proxyManagedReservationStatus)) {
handleServletManagedReservationStatus(target, baseRequest, request, response);
}
else if(reqURI.startsWith(proxyManagedReservationMonitorReport)) {
handleServletManagedReservationMonitorReport(target, baseRequest, request, response);
}
else if(reqURI.startsWith(proxyReservationStatus)) {
handleServletReservationStatus(target, baseRequest, request, response);
}
else if(reqURI.startsWith(proxyReservationMonitorReport)) {
handleServletReservationMonitorReport(target, baseRequest, request, response);
}
else {
handleServletUnknown(target, baseRequest, request, response);
}
duccLogger.trace(location, jobid, "exit");
}
public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException {
String location = "handle";
try{
duccLogger.debug(location, jobid,request.toString());
duccLogger.debug(location, jobid,"getRequestURI():"+request.getRequestURI());
String reqURI = request.getRequestURI()+"";
if(reqURI.startsWith(duccContextProxy)) {
response.setContentType("text/html;charset=utf-8");
response.setStatus(HttpServletResponse.SC_OK);
baseRequest.setHandled(true);
handleDuccRequest(target, baseRequest, request, response);
DuccWebUtil.noCache(response);
}
}
catch(Throwable t) {
if(isIgnorable(t)) {
duccLogger.debug(location, jobid, t);
}
else {
duccLogger.info(location, jobid, "", t.getMessage(), t);
duccLogger.error(location, jobid, t);
}
}
}
}
