Java tutorial
/* * JBoss, Home of Professional Open Source. * Copyright 2014 Red Hat, Inc., and individual contributors * as indicated by the @author tags. * * 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.undertow.server.handlers.accesslog; import io.undertow.Version; import io.undertow.server.HttpHandler; import io.undertow.server.HttpServerExchange; import io.undertow.testutils.DefaultServer; import io.undertow.testutils.HttpClientUtils; import io.undertow.testutils.TestHttpClient; import io.undertow.util.CompletionLatchHandler; import io.undertow.util.FileUtils; import io.undertow.util.StatusCodes; import org.apache.http.HttpResponse; import org.apache.http.client.methods.HttpGet; import org.junit.After; import org.junit.Assert; import org.junit.Before; import org.junit.Test; import org.junit.runner.RunWith; import java.io.IOException; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths; /** * Tests writing the access log to a file * * @author Stuart Douglas */ @RunWith(DefaultServer.class) public class ExtendedAccessLogFileTestCase { private static final Path logDirectory = Paths.get(System.getProperty("java.io.tmpdir"), "logs"); public static final String PATTERN = "cs-uri cs(test-header)"; @Before public void before() throws IOException { Files.createDirectories(logDirectory); } @After public void after() throws IOException { FileUtils.deleteRecursive(logDirectory); } private static final HttpHandler HELLO_HANDLER = new HttpHandler() { @Override public void handleRequest(final HttpServerExchange exchange) throws Exception { exchange.getResponseSender().send("Hello"); } }; @Test public void testSingleLogMessageToFile() throws IOException, InterruptedException { Path directory = logDirectory; Path logFileName = directory.resolve("extended.log"); DefaultAccessLogReceiver logReceiver = DefaultAccessLogReceiver.builder() .setLogWriteExecutor(DefaultServer.getWorker()).setOutputDirectory(directory) .setLogBaseName("extended.") .setLogFileHeaderGenerator(new ExtendedAccessLogParser.ExtendedAccessLogHeaderGenerator(PATTERN)) .build(); verifySingleLogMessageToFile(logFileName, logReceiver); } private void verifySingleLogMessageToFile(Path logFileName, DefaultAccessLogReceiver logReceiver) throws IOException, InterruptedException { CompletionLatchHandler latchHandler; DefaultServer.setRootHandler(latchHandler = new CompletionLatchHandler(new AccessLogHandler(HELLO_HANDLER, logReceiver, PATTERN, new ExtendedAccessLogParser(ExtendedAccessLogFileTestCase.class.getClassLoader()).parse(PATTERN)))); TestHttpClient client = new TestHttpClient(); try { HttpGet get = new HttpGet(DefaultServer.getDefaultServerURL() + "/path"); get.addHeader("test-header", "single-val"); HttpResponse result = client.execute(get); Assert.assertEquals(StatusCodes.OK, result.getStatusLine().getStatusCode()); Assert.assertEquals("Hello", HttpClientUtils.readResponse(result)); latchHandler.await(); logReceiver.awaitWrittenForTest(); String data = new String(Files.readAllBytes(logFileName)); String[] lines = data.split("\n"); Assert.assertEquals("#Fields: " + PATTERN, lines[0]); Assert.assertEquals("#Version: 2.0", lines[1]); Assert.assertEquals("#Software: " + Version.getFullVersionString(), lines[2]); Assert.assertEquals("", lines[3]); Assert.assertEquals("/path 'single-val'", lines[4]); } finally { client.getConnectionManager().shutdown(); } } }