Java tutorial
/******************************************************************************* * Copyright (c) 2016 Red Hat Inc. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * Red Hat Inc. - initial API and implementation *******************************************************************************/ package org.jboss.tools.pde.sourcelookup.ui.tests; import java.io.File; import java.io.IOException; import java.net.URI; import java.nio.file.FileVisitResult; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths; import java.nio.file.SimpleFileVisitor; import java.nio.file.attribute.BasicFileAttributes; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import org.eclipse.core.resources.IProject; import org.eclipse.core.resources.IProjectDescription; import org.eclipse.core.resources.IWorkspaceRoot; import org.eclipse.core.resources.ResourcesPlugin; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.FileLocator; import org.eclipse.core.runtime.IPath; import org.eclipse.core.runtime.NullProgressMonitor; import org.eclipse.equinox.p2.ui.ProvisioningUI; import org.eclipse.jdt.core.IClasspathEntry; import org.eclipse.jdt.core.IJavaProject; import org.eclipse.jdt.core.IPackageFragmentRoot; import org.eclipse.jdt.core.JavaCore; import org.eclipse.jdt.core.JavaModelException; import org.eclipse.jface.viewers.StructuredSelection; import org.jboss.tools.pde.sourcelookup.core.internal.preferences.SourceLookupPreferences; import org.jboss.tools.pde.sourcelookup.ui.internal.actions.DownloadSourcesActionDelegate; import org.junit.After; import org.junit.Before; import org.junit.Test; public class IntegrationTest { private Path sourcesDirectory; @Before public void setUp() throws Exception { sourcesDirectory = Paths.get("target", "sources"); SourceLookupPreferences.getInstance().setDownloadedSourcesDirectory(sourcesDirectory); deleteDirectory(sourcesDirectory); } private void deleteDirectory(java.nio.file.Path directory) throws IOException { if (!Files.exists(directory)) { return; } Files.walkFileTree(directory, new SimpleFileVisitor<Path>() { @Override public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException { Files.delete(file); return FileVisitResult.CONTINUE; } @Override public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException { Files.delete(dir); return FileVisitResult.CONTINUE; } }); } @After public void tearDown() throws Exception { //reset sources directory SourceLookupPreferences.getInstance().setDownloadedSourcesDirectory(null); } @Test public void basicSingleJarTest() throws Exception { final String id = "org.foo.bar"; final String version = "1.0.0"; final String jarName = id + "_" + version + ".jar"; final String sourceJarName = id + ".source" + "_" + version + ".jar"; final String resourceDir = "/resources/"; final String sourceRepoRelPath = resourceDir + "valid-source-repo"; IJavaProject jProject = createJavaProject("integration-test"); // binary jar file location String jarPath = FileLocator.toFileURL(getClass().getResource(resourceDir + jarName)).getPath(); IPath binJarPath = org.eclipse.core.runtime.Path.fromOSString(jarPath); // Add the binary jar to the classpath of the java project addBinaries(jProject, binJarPath); // Set the default source attachment as the binary jar // This is necessary to trigger our PDE source lookup IPackageFragmentRoot pfr = jProject.getPackageFragmentRoot(jarPath); pfr.attachSource(binJarPath, null, new NullProgressMonitor()); // source jar artifact repository location URI sourceLoc = getSourceRepoURL(sourceRepoRelPath); // Inform the provisioning agent of the artifact repository containing // the source bundle addP2Repositories(getSourceRepoURL(resourceDir + "invalid-source-repo"), sourceLoc); // Simulate opening the classfile in the editor // TODO: Could we ever get JavaUI.openInEditor working with Tycho ? // IJavaElement jElement = jProject.findType("org.foo.bar.Main"); // JavaUI.openInEditor(jElement); DownloadSourcesActionDelegate delegate = new DownloadSourcesActionDelegate(); delegate.selectionChanged(null, new StructuredSelection(jProject.getPackageFragmentRoot(jarPath))); delegate.run(null); // Expect to find the downloaded jar at this location File downloadedSourceJarFile = sourcesDirectory.resolve(sourceJarName).toFile(); while (!downloadedSourceJarFile.exists()) { Thread.sleep(1000); } } /** * @param resourceDir * @param sourceLoc * @throws IOException */ private void addP2Repositories(URI... p2Repos) throws IOException { ProvisioningUI pui = ProvisioningUI.getDefaultUI(); for (URI repo : p2Repos) { pui.getRepositoryTracker().addRepository(repo, null, pui.getSession()); } } private IJavaProject createJavaProject(String name) throws CoreException { IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot(); IProject project = root.getProject(name); // Create the project as a Java project project.delete(true, null); project.create(null); project.open(null); IProjectDescription description = project.getDescription(); description.setNatureIds(new String[] { JavaCore.NATURE_ID }); project.setDescription(description, null); IJavaProject jProject = JavaCore.create(project); return jProject; } private void addBinaries(IJavaProject jProject, IPath... binJarPath) throws JavaModelException { List<IClasspathEntry> newCPE = new ArrayList<>(Arrays.asList(jProject.getRawClasspath())); for (IPath path : binJarPath) { IClasspathEntry jarCPE = JavaCore.newLibraryEntry(path, null, null); newCPE.add(jarCPE); } jProject.setRawClasspath(newCPE.toArray(new IClasspathEntry[0]), new NullProgressMonitor()); } private URI getSourceRepoURL(final String relativePath) throws IOException { String sourcePath = FileLocator.toFileURL(getClass().getResource(relativePath)).getPath(); return URI.create("file:" + sourcePath); } }