io.neba.core.logviewer.TailServlet Maven / Gradle / Ivy

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/*
  Copyright 2013 the original author or authors.

  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 io.neba.core.logviewer;

import org.eclipse.jetty.websocket.servlet.WebSocketServlet;
import org.eclipse.jetty.websocket.servlet.WebSocketServletFactory;
import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;

import static java.util.concurrent.TimeUnit.SECONDS;

/**
 * Bridges non-websocket servlets with websockets. Handles all requests using the {@link TailSocket}.
 *
 * @author Olaf Otto
 */
@Component(service = TailServlet.class)
public class TailServlet extends WebSocketServlet {
    private static final long serialVersionUID = 1326193543519605309L;

    @Reference
    private LogFiles logFiles;

    @Override
    public void configure(WebSocketServletFactory factory) {
        factory.getPolicy().setIdleTimeout(SECONDS.toMillis(30));
        factory.setCreator((servletUpgradeRequest, servletUpgradeResponse) -> new TailSocket(logFiles));
    }
}