/**
* This software is licensed to you under the Apache License, Version 2.0 (the
* "Apache License").
*
* LinkedIn's contributions are made under the Apache License. If you contribute
* to the Software, the contributions will be deemed to have been made under the
* Apache License, unless you expressly indicate otherwise. Please do not make any
* contributions that would be inconsistent with the Apache License.
*
* You may obtain a copy of the Apache License at http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, this software
* distributed under the Apache License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the Apache
* License for the specific language governing permissions and limitations for the
* software governed under the Apache License.
*
* © 2012 LinkedIn Corp. All Rights Reserved.
*/
package com.senseidb.servlet;
import java.io.IOException;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.remoting.httpinvoker.HttpInvokerServiceExporter;
import org.springframework.util.StringUtils;
import org.springframework.web.HttpRequestMethodNotSupportedException;
import com.senseidb.svc.api.SenseiService;
import com.senseidb.svc.impl.ClusteredSenseiServiceImpl;
public class SenseiHttpInvokerServiceServlet extends
ZookeeperConfigurableServlet {
private static final long serialVersionUID = 1L;
private ClusteredSenseiServiceImpl innerSvc;
private HttpInvokerServiceExporter target;
@Override
public void init(ServletConfig config) throws ServletException {
super.init(config);
innerSvc = new ClusteredSenseiServiceImpl(senseiConf, loadBalancerFactory, serializer, versionComparator);
innerSvc.start();
target = new HttpInvokerServiceExporter();
target.setService(innerSvc);
target.setServiceInterface(SenseiService.class);
target.afterPropertiesSet();
}
protected void service(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
try {
this.target.handleRequest(request, response);
}
catch (HttpRequestMethodNotSupportedException ex) {
String[] supportedMethods = ((HttpRequestMethodNotSupportedException) ex).getSupportedMethods();
if (supportedMethods != null) {
response.setHeader("Allow", StringUtils.arrayToDelimitedString(supportedMethods, ", "));
}
response.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED, ex.getMessage());
}
}
@Override
public void destroy() {
try{
innerSvc.shutdown();
}
finally{
super.destroy();
}
}
}