Java tutorial
/* * Copyright 2016 Red Hat, Inc. and/or its affiliates. * * 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 org.guvnor.ala.build.maven.executor; import java.io.File; import java.io.IOException; import java.nio.file.Files; import java.nio.file.Path; import java.util.List; import org.apache.commons.io.FileUtils; import org.apache.maven.repository.internal.MavenRepositorySystemUtils; import org.eclipse.aether.DefaultRepositorySystemSession; import org.eclipse.aether.RepositorySystem; import org.eclipse.aether.artifact.Artifact; import org.eclipse.aether.artifact.DefaultArtifact; import org.eclipse.aether.impl.DefaultServiceLocator; import org.eclipse.aether.installation.InstallRequest; import org.eclipse.aether.repository.LocalRepository; import org.guvnor.ala.build.Binary; import org.guvnor.ala.build.maven.config.impl.MavenDependencyConfigImpl; import org.guvnor.ala.build.maven.model.MavenBinary; import org.guvnor.ala.config.BinaryConfig; import org.guvnor.ala.pipeline.Input; import org.guvnor.ala.pipeline.Pipeline; import org.guvnor.ala.pipeline.PipelineFactory; import org.guvnor.ala.pipeline.Stage; import org.guvnor.ala.pipeline.execution.PipelineExecutor; import org.guvnor.ala.registry.BuildRegistry; import org.guvnor.ala.registry.local.InMemoryBuildRegistry; import org.junit.After; import org.junit.Before; import org.junit.Test; import org.kie.scanner.embedder.MavenSettings; import static java.util.Collections.singletonList; import static org.guvnor.ala.pipeline.StageUtil.config; import static org.junit.Assert.*; import static org.kie.scanner.embedder.MavenSettings.CUSTOM_SETTINGS_PROPERTY; public class MavenDependencyConfigExecutorTest { private File m2Folder; @Before public void setUp() throws IOException { m2Folder = Files.createTempDirectory("temp-m2").toFile(); } @After public void tearDown() { FileUtils.deleteQuietly(m2Folder); } @Test public void testMavenDependencyAPI() throws Exception { final String groupId = "org.guvnor.ala"; final String artifactId = "maven-ala-artifact-test"; final String version = "1"; final String oldSettingsXmlPath = System.getProperty(CUSTOM_SETTINGS_PROPERTY); try { final Path settingsXmlPath = generateSettingsXml(); System.setProperty(CUSTOM_SETTINGS_PROPERTY, settingsXmlPath.toString()); MavenSettings.reinitSettings(); installArtifactLocally(groupId, artifactId, version); final BuildRegistry buildRegistry = new InMemoryBuildRegistry(); final Stage<Input, BinaryConfig> sourceConfig = config("Maven Artifact", (s) -> new MavenDependencyConfigImpl()); final Pipeline pipe = PipelineFactory.startFrom(sourceConfig).buildAs("my pipe"); final PipelineExecutor executor = new PipelineExecutor( singletonList(new MavenDependencyConfigExecutor(buildRegistry))); executor.execute(new Input() { { put("artifact", groupId + ":" + artifactId + ":pom:" + version); } }, pipe, System.out::println); final List<Binary> allBinaries = buildRegistry.getAllBinaries(); assertNotNull(allBinaries); assertEquals(1, allBinaries.size()); assertTrue(allBinaries.get(0) instanceof MavenBinary); final MavenBinary binary = (MavenBinary) allBinaries.get(0); assertEquals("Maven", binary.getType()); assertEquals(artifactId, binary.getName()); assertEquals(groupId, binary.getGroupId()); assertEquals(artifactId, binary.getArtifactId()); assertEquals(version, binary.getVersion()); assertEquals(m2Folder + "/org/guvnor/ala/maven-ala-artifact-test/1/maven-ala-artifact-test-1.pom", binary.getPath().toString()); } finally { if (oldSettingsXmlPath == null) { System.clearProperty(CUSTOM_SETTINGS_PROPERTY); } else { System.setProperty(CUSTOM_SETTINGS_PROPERTY, oldSettingsXmlPath); } MavenSettings.reinitSettings(); } } private void installArtifactLocally(final String groupId, final String artifactId, final String version) throws Exception { Artifact pomArtifact = new DefaultArtifact(groupId, artifactId, "pom", version); final Path pom = getPom(groupId, artifactId, version); pomArtifact = pomArtifact.setFile(pom.toFile()); final InstallRequest installRequest = new InstallRequest(); installRequest.addArtifact(pomArtifact); final DefaultServiceLocator locator = MavenRepositorySystemUtils.newServiceLocator(); RepositorySystem system = locator.getService(RepositorySystem.class); final DefaultRepositorySystemSession session = MavenRepositorySystemUtils.newSession(); final LocalRepository localRepo = new LocalRepository(m2Folder); session.setLocalRepositoryManager(system.newLocalRepositoryManager(session, localRepo)); system.install(session, installRequest); } private Path generateSettingsXml() throws IOException { final String localRepositoryUrl = m2Folder.getAbsolutePath(); String settingsXml = "<settings xmlns=\"http://maven.apache.org/SETTINGS/1.0.0\"\n" + " xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\n" + " xsi:schemaLocation=\"http://maven.apache.org/SETTINGS/1.0.0\n" + " http://maven.apache.org/xsd/settings-1.0.0.xsd\">\n" + " <localRepository>" + localRepositoryUrl + "</localRepository>\n" + " <offline>true</offline>\n" + "</settings>\n"; final Path settingsXmlPath = Files.createTempFile(m2Folder.toPath(), "settings", ".xml"); Files.write(settingsXmlPath, settingsXml.getBytes()); return settingsXmlPath; } protected Path getPom(final String groupId, final String artifactId, final String version) throws IOException { String pom = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" + "<project xmlns=\"http://maven.apache.org/POM/4.0.0\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\n" + " xsi:schemaLocation=\"http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd\">\n" + " <modelVersion>4.0.0</modelVersion>\n" + "\n" + " <groupId>" + groupId + "</groupId>\n" + " <artifactId>" + artifactId + "</artifactId>\n" + " <version>" + version + "</version>\n" + " <packaging>pom</packaging>\n" + "\n"; pom += "</project>"; final Path pomXmlPath = Files.createTempFile(m2Folder.toPath(), "pom", ".xml"); Files.write(pomXmlPath, pom.getBytes()); return pomXmlPath; } }