Java tutorial
/** * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=# * This file is part of the Smart Developer Hub Project: * http://www.smartdeveloperhub.org/ * * Center for Open Middleware * http://www.centeropenmiddleware.com/ * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=# * Copyright (C) 2015-2016 Center for Open Middleware. * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=# * 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. * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=# * Artifact : org.smartdeveloperhub.vocabulary:sdh-vocabulary:0.3.0 * Bundle : sdh-vocabulary-0.3.0.jar * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=# */ package org.smartdeveloperhub.vocabulary.publisher.handlers; import java.util.concurrent.TimeUnit; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import com.google.common.base.Stopwatch; import io.undertow.server.HttpHandler; import io.undertow.server.HttpServerExchange; final class ProbeTracerHandler implements HttpHandler { private static final Logger LOGGER = LoggerFactory.getLogger(ProbeTracerHandler.class); private final TimeUnit unit; private final HttpHandler next; ProbeTracerHandler(final TimeUnit unit, final HttpHandler next) { this.unit = unit; this.next = next; } @Override public void handleRequest(final HttpServerExchange exchange) throws Exception { final Stopwatch watch = MoreAttachments.getStopwatch(exchange); watch.stop(); LOGGER.trace("[{}][{}] Processing took {} {}", exchange.getRequestPath(), exchange.getRelativePath(), watch.elapsed(this.unit), this.unit.toString()); this.next.handleRequest(exchange); } }