| /* |
| * 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.maven.model.v4; |
| |
| import javax.xml.stream.XMLStreamException; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.util.List; |
| import java.util.concurrent.TimeUnit; |
| import java.util.stream.Collectors; |
| |
| import org.apache.maven.api.model.InputSource; |
| import org.openjdk.jmh.annotations.*; |
| import org.openjdk.jmh.runner.Runner; |
| import org.openjdk.jmh.runner.RunnerException; |
| import org.openjdk.jmh.runner.options.Options; |
| import org.openjdk.jmh.runner.options.OptionsBuilder; |
| |
| /** |
| * <p>Xpp3DomPerfTest class.</p> |
| */ |
| @BenchmarkMode(Mode.AverageTime) |
| @OutputTimeUnit(TimeUnit.MILLISECONDS) |
| @Warmup(iterations = 3) |
| @Measurement(time = 10) |
| public class Xpp3DomPerfTest { |
| @State(Scope.Benchmark) |
| public static class AdditionState { |
| List<Path> poms; |
| |
| @Setup(Level.Iteration) |
| public void setUp() throws IOException { |
| Path userHome = Paths.get(System.getProperty("user.home")); |
| poms = Files.walk(userHome.resolve(".m2/repository/org/apache/maven")) |
| .filter(p -> p.getFileName().toString().endsWith(".pom")) |
| .collect(Collectors.toList()); |
| } |
| } |
| |
| @Benchmark |
| public int readWithStax(AdditionState state) throws IOException, XMLStreamException { |
| int i = 0; |
| for (Path pom : state.poms) { |
| try (InputStream is = Files.newInputStream(pom)) { |
| MavenStaxReader reader = new MavenStaxReader(); |
| reader.setAddLocationInformation(false); |
| reader.read(is, true, new InputSource("id", pom.toString())); |
| i++; |
| } catch (XMLStreamException e) { |
| throw new RuntimeException("Error parsing: " + pom, e); |
| } |
| } |
| return i; |
| } |
| |
| /** |
| * <p>main.</p> |
| * |
| * @param args a {@link String} object. |
| * @throws org.openjdk.jmh.runner.RunnerException if any. |
| */ |
| public static void main(String... args) throws RunnerException { |
| Options opts = new OptionsBuilder().forks(1).build(); |
| new Runner(opts).run(); |
| } |
| } |