org.eclipse.jdt.junit.core/src/org/eclipse/jdt/internal/junit/buildpath/BuildPathSupport.java - jdt/eclipse.jdt.ui - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2017 IBM Corporation and others.
  * 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:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.jdt.internal.junit.buildpath;


 import java.io.File;
 import java.io.FilenameFilter;
 import java.io.IOException;
 import java.net.URL;

 import org.osgi.framework.Bundle;
 import org.osgi.framework.Version;

 import org.eclipse.equinox.frameworkadmin.BundleInfo;
 import org.eclipse.jdt.junit.JUnitCore;
 import org.eclipse.osgi.service.resolver.VersionRange;

 import org.eclipse.core.runtime.FileLocator;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.Path;
 import org.eclipse.core.runtime.Platform;

 import org.eclipse.jdt.core.IAccessRule;
 import org.eclipse.jdt.core.IClasspathAttribute;
 import org.eclipse.jdt.core.IClasspathEntry;
 import org.eclipse.jdt.core.JavaCore;

 import org.eclipse.jdt.internal.junit.JUnitCorePlugin;
 import org.eclipse.jdt.internal.junit.JUnitPreferencesConstants;


 public class BuildPathSupport {


 	public static class JUnitPluginDescription {

 		private final String bundleId;
 		private final VersionRange versionRange;
 		private final String bundleRoot;
 		private final String binaryImportedRoot;
 		private final String sourceBundleId;
 		private final String repositorySource;
 		private final String javadocPreferenceKey;

 		private String resolvedVersion = null;

 		public JUnitPluginDescription(String bundleId, VersionRange versionRange, String bundleRoot, String binaryImportedRoot, String sourceBundleId, String repositorySource, String javadocPreferenceKey) {
 			this.bundleId= bundleId;
 			this.versionRange= versionRange;
 			this.bundleRoot= bundleRoot;
 			this.binaryImportedRoot= binaryImportedRoot;
 			this.sourceBundleId= sourceBundleId;
 			this.repositorySource= repositorySource;
 			this.javadocPreferenceKey= javadocPreferenceKey;
 		}

 		public IPath getBundleLocation() {
 			return getBundleLocation(bundleId, versionRange);
 		}

 		public IPath getSourceBundleLocation() {
 			return getSourceLocation(getBundleLocation());
 		}

 		private IPath getBundleLocation(String aBundleId, VersionRange aVersionRange) {
 			return getBundleLocation(aBundleId, aVersionRange, false);
 		}

 		private IPath getBundleLocation(String aBundleId, VersionRange aVersionRange, boolean isSourceBundle) {
 			BundleInfo bundleInfo = P2Utils.findBundle(aBundleId, aVersionRange, isSourceBundle);
 			if (bundleInfo != null) {
 				resolvedVersion = bundleInfo.getVersion();
 				return P2Utils.getBundleLocationPath(bundleInfo);
 			} else {
 				// p2's simple configurator is not available. Let's try with installed bundles from the running platform.
 				// Note: Source bundles are typically not available at run time!
 				Bundle[] bundles= Platform.getBundles(aBundleId, aVersionRange.toString());
 				Bundle bestMatch = null;
 				if (bundles != null) {
 					for (int i= 0; i < bundles.length; i++) {
 						Bundle bundle= bundles[i];
 						if (bestMatch == null || bundle.getState() > bestMatch.getState()) {
 							bestMatch= bundle;
 						}
 					}
 				}
 				if (bestMatch != null) {
 					try {
 						resolvedVersion = bestMatch.getVersion().toString();
 						URL rootUrl= bestMatch.getEntry("/"); //$NON-NLS-1$
 						URL fileRootUrl= FileLocator.toFileURL(rootUrl);
 						return new Path(fileRootUrl.getPath());
 					} catch (IOException ex) {
 						JUnitCorePlugin.log(ex);
 					}
 				}
 			}
 			return null;
 		}

 		public IClasspathEntry getLibraryEntry() {
 			IPath bundleLocation = getBundleLocation(bundleId, versionRange);
 			if (bundleLocation != null) {
 				IPath bundleRootLocation= null;
 				if (bundleRoot != null) {
 					bundleRootLocation= getLocationIfExists(bundleLocation, bundleRoot);
 				}
 				if (bundleRootLocation == null && binaryImportedRoot != null) {
 					bundleRootLocation= getLocationIfExists(bundleLocation, binaryImportedRoot);
 				}
 				if (bundleRootLocation == null) {
 					bundleRootLocation= getBundleLocation(bundleId, versionRange);
 				}

 				IPath srcLocation= getSourceLocation(bundleLocation);

 				String javadocLocation= Platform.getPreferencesService().getString(JUnitCorePlugin.CORE_PLUGIN_ID, javadocPreferenceKey, "", null); //$NON-NLS-1$
 				IClasspathAttribute[] attributes;
 				if (javadocLocation.length() == 0) {
 					attributes= new IClasspathAttribute[0];
 				} else {
 					attributes= new IClasspathAttribute[] { JavaCore.newClasspathAttribute(IClasspathAttribute.JAVADOC_LOCATION_ATTRIBUTE_NAME, javadocLocation) };
 				}

 				return JavaCore.newLibraryEntry(bundleRootLocation, srcLocation, null, getAccessRules(), attributes, false);
 			}
 			return null;
 		}

 		public IAccessRule[] getAccessRules() {
 			return new IAccessRule[0];
 		}

 		private IPath getSourceLocation(IPath bundleLocation) {
 			IPath srcLocation= null;
 			if (repositorySource != null) {
 				// Try source in workspace (from repository)
 				srcLocation= getLocationIfExists(bundleLocation, repositorySource);
 			}

 			if (srcLocation == null) {
 				if (bundleLocation != null) {
 					// Try exact version
 					Version version= new Version(resolvedVersion);
 					srcLocation= getBundleLocation(sourceBundleId, new VersionRange(version, true, version, true), true);
 				}
 				if (srcLocation == null) {
 					// Try version range
 					srcLocation= getBundleLocation(sourceBundleId, versionRange, true);
 				}
 			}

 			return srcLocation;
 		}

 		private IPath getLocationIfExists(IPath bundleLocationPath, final String entryInBundle) {
 			IPath srcLocation= null;
 			if (bundleLocationPath != null) {
 				File bundleFile= bundleLocationPath.toFile();
 				if (bundleFile.isDirectory()) {
 					File srcFile= null;
 					final int starIdx= entryInBundle.indexOf('*');
 					if (starIdx != -1) {
 						File[] files= bundleFile.listFiles(new FilenameFilter() {
 							private String pre= entryInBundle.substring(0, starIdx);
 							private String post= entryInBundle.substring(starIdx + 1);
 							@Override
 							public boolean accept(File dir, String name) {
 								return name.startsWith(pre) && name.endsWith(post);
 							}
 						});
 						if (files.length > 0) {
 							srcFile= files[0];
 						}
 					}
 					if (srcFile == null)
 						srcFile= new File(bundleFile, entryInBundle);
 					if (srcFile.exists()) {
 						srcLocation= new Path(srcFile.getPath());
 						if (srcFile.isDirectory()) {
 							srcLocation= srcLocation.addTrailingSeparator();
 						}
 					}
 				}
 			}
 			return srcLocation;
 		}
 	}


 	public static final JUnitPluginDescription JUNIT3_PLUGIN= new JUnitPluginDescription(
 			"org.junit", new VersionRange("[3.8.2,3.9)"), "junit.jar", "junit.jar", "org.junit.source", "source-bundle/", JUnitPreferencesConstants.JUNIT3_JAVADOC); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ //$NON-NLS-6$

 	public static final JUnitPluginDescription JUNIT4_PLUGIN= new JUnitPluginDescription(
 			"org.junit", new VersionRange("[4.7.0,5.0.0)"), "junit.jar", "junit.jar", "org.junit.source", "source-bundle/", JUnitPreferencesConstants.JUNIT4_JAVADOC); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ //$NON-NLS-6$

 	private static final JUnitPluginDescription HAMCREST_CORE_PLUGIN= new JUnitPluginDescription(
 			"org.hamcrest.core", new VersionRange("[1.1.0,2.0.0)"), null, "org.hamcrest.core_1.*.jar", "org.hamcrest.core.source", "source-bundle/", JUnitPreferencesConstants.HAMCREST_CORE_JAVADOC); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$

 	public static final JUnitPluginDescription JUNIT_JUPITER_API_PLUGIN= new JUnitPluginDescription(
 			"org.junit.jupiter.api", new VersionRange("[5.0.0,6.0.0)"), "org.junit.jupiter.api.jar", "", "org.junit.jupiter.api.source", "", //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$//$NON-NLS-5$//$NON-NLS-6$
 			JUnitPreferencesConstants.JUNIT_JUPITER_API_JAVADOC);

 	public static final JUnitPluginDescription JUNIT_JUPITER_ENGINE_PLUGIN= new JUnitPluginDescription(
 			"org.junit.jupiter.engine", new VersionRange("[5.0.0,6.0.0)"), "org.junit.jupiter.engine.jar", "", "org.junit.jupiter.engine.source", "", //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$//$NON-NLS-5$//$NON-NLS-6$
 			JUnitPreferencesConstants.JUNIT_JUPITER_ENGINE_JAVADOC);

 	public static final JUnitPluginDescription JUNIT_JUPITER_MIGRATIONSUPPORT_PLUGIN= new JUnitPluginDescription(
 			"org.junit.jupiter.migrationsupport", new VersionRange("[5.0.0,6.0.0)"), "org.junit.jupiter.migrationsupport.jar", "", "org.junit.jupiter.migrationsupport.source", "", //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$//$NON-NLS-5$//$NON-NLS-6$
 			JUnitPreferencesConstants.JUNIT_JUPITER_MIGRATIONSUPPORT_JAVADOC);

 	public static final JUnitPluginDescription JUNIT_JUPITER_PARAMS_PLUGIN= new JUnitPluginDescription(
 			"org.junit.jupiter.params", new VersionRange("[5.0.0,6.0.0)"), "org.junit.jupiter.params.jar", "", "org.junit.jupiter.params.source", "", //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$//$NON-NLS-5$//$NON-NLS-6$
 			JUnitPreferencesConstants.JUNIT_JUPITER_PARAMS_JAVADOC);

 	public static final JUnitPluginDescription JUNIT_PLATFORM_COMMONS_PLUGIN= new JUnitPluginDescription(
 			"org.junit.platform.commons", new VersionRange("[1.0.0,2.0.0)"), "org.junit.platform.commons.jar", "", "org.junit.platform.commons.source", "", //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$//$NON-NLS-5$//$NON-NLS-6$
 			JUnitPreferencesConstants.JUNIT_PLATFORM_COMMONS_JAVADOC);

 	public static final JUnitPluginDescription JUNIT_PLATFORM_ENGINE_PLUGIN= new JUnitPluginDescription(
 			"org.junit.platform.engine", new VersionRange("[1.0.0,2.0.0)"), "org.junit.platform.engine.jar", "", "org.junit.platform.engine.source", "", //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$//$NON-NLS-5$//$NON-NLS-6$
 			JUnitPreferencesConstants.JUNIT_PLATFORM_ENGINE_JAVADOC);

 	public static final JUnitPluginDescription JUNIT_PLATFORM_LAUNCHER_PLUGIN= new JUnitPluginDescription(
 			"org.junit.platform.launcher", new VersionRange("[1.0.0,2.0.0)"), "org.junit.platform.launcher.jar", "", "org.junit.platform.launcher.source", "", //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$//$NON-NLS-5$//$NON-NLS-6$
 			JUnitPreferencesConstants.JUNIT_PLATFORM_LAUNCHER_JAVADOC);

 	public static final JUnitPluginDescription JUNIT_PLATFORM_RUNNER_PLUGIN= new JUnitPluginDescription(
 			"org.junit.platform.runner", new VersionRange("[1.0.0,2.0.0)"), "org.junit.platform.runner.jar", "", "org.junit.platform.runner.source", "", //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$//$NON-NLS-5$//$NON-NLS-6$
 			JUnitPreferencesConstants.JUNIT_PLATFORM_RUNNER_JAVADOC);

 	public static final JUnitPluginDescription JUNIT_PLATFORM_SUITE_API_PLUGIN= new JUnitPluginDescription(
 			"org.junit.platform.suite.api", new VersionRange("[1.0.0,2.0.0)"), "org.junit.platform.suite.api.jar", "", "org.junit.platform.suite.api.source", "", //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$//$NON-NLS-5$//$NON-NLS-6$
 			JUnitPreferencesConstants.JUNIT_PLATFORM_SUITE_API_JAVADOC);

 	public static final JUnitPluginDescription JUNIT_VINTAGE_ENGINE_PLUGIN= new JUnitPluginDescription(
 			"org.junit.vintage.engine", new VersionRange("[4.12.0,5.0.0)"), "org.junit.vintage.engine.jar", "", "org.junit.vintage.engine.source", "", //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$//$NON-NLS-5$//$NON-NLS-6$
 			JUnitPreferencesConstants.JUNIT_VINTAGE_ENGINE_JAVADOC);

 	public static final JUnitPluginDescription JUNIT_OPENTEST4J_PLUGIN= new JUnitPluginDescription(
 			"org.opentest4j", new VersionRange("[1.0.0,2.0.0)"), "org.opentest4j.jar", "", "org.opentest4j.source", "", //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$//$NON-NLS-5$//$NON-NLS-6$
 			JUnitPreferencesConstants.JUNIT_OPENTEST4J_JAVADOC);

 	public static final JUnitPluginDescription JUNIT_APIGUARDIAN_PLUGIN= new JUnitPluginDescription(
 			"org.apiguardian", new VersionRange("[1.0.0,2.0.0)"), "org.apiguardian.jar", "", "org.apiguardian.source", "", //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$//$NON-NLS-5$//$NON-NLS-6$
 			JUnitPreferencesConstants.JUNIT_APIGUARDIAN_JAVADOC);

 	public static final JUnitPluginDescription JUNIT4_AS_3_PLUGIN= new JUnitPluginDescription(
 			JUNIT4_PLUGIN.bundleId, JUNIT4_PLUGIN.versionRange, JUNIT4_PLUGIN.bundleRoot, JUNIT4_PLUGIN.binaryImportedRoot,
 			JUNIT4_PLUGIN.sourceBundleId, JUNIT4_PLUGIN.repositorySource, JUNIT3_PLUGIN.javadocPreferenceKey) {
 		@Override
 		public IAccessRule[] getAccessRules() {
 			return new IAccessRule[] {
 					JavaCore.newAccessRule(new Path("junit/"), IAccessRule.K_ACCESSIBLE), //$NON-NLS-1$
 					JavaCore.newAccessRule(new Path("**/*"), IAccessRule.K_NON_ACCESSIBLE) //$NON-NLS-1$
 			};
 		}
 	};

 	/**
 	 * @return the JUnit3 classpath container
 	 */
 	public static IClasspathEntry getJUnit3ClasspathEntry() {
 		return JavaCore.newContainerEntry(JUnitCore.JUNIT3_CONTAINER_PATH);
 	}

 	/**
 	 * @return the JUnit4 classpath container
 	 */
 	public static IClasspathEntry getJUnit4ClasspathEntry() {
 		return JavaCore.newContainerEntry(JUnitCore.JUNIT4_CONTAINER_PATH);
 	}

 	/**
 	 * @return the JUnit5 classpath container
 	 */
 	public static IClasspathEntry getJUnit5ClasspathEntry() {
 		return JavaCore.newContainerEntry(JUnitCore.JUNIT5_CONTAINER_PATH);
 	}

 	/**
 	 * @return the org.junit version 3 library, or <code>null</code> if not available
 	 */
 	public static IClasspathEntry getJUnit3LibraryEntry() {
 		return JUNIT3_PLUGIN.getLibraryEntry();
 	}

 	/**
 	 * @return the org.junit version 4 library, or <code>null</code> if not available
 	 */
 	public static IClasspathEntry getJUnit4LibraryEntry() {
 		return JUNIT4_PLUGIN.getLibraryEntry();
 	}

 	/**
 	 * @return the org.junit version 4 library with access rules for JUnit 3, or <code>null</code>
 	 *         if not available
 	 */
 	public static IClasspathEntry getJUnit4as3LibraryEntry() {
 		return JUNIT4_AS_3_PLUGIN.getLibraryEntry();
 	}

 	/**
 	 * @return the org.hamcrest.core library, or <code>null</code> if not available
 	 */
 	public static IClasspathEntry getHamcrestCoreLibraryEntry() {
 		return HAMCREST_CORE_PLUGIN.getLibraryEntry();
 	}

 	/**
 	 * @return the org.junit.jupiter.api library, or <code>null</code> if not available
 	 */
 	public static IClasspathEntry getJUnitJupiterApiLibraryEntry() {
 		return JUNIT_JUPITER_API_PLUGIN.getLibraryEntry();
 	}

 	/**
 	 * @return the org.junit.jupiter.engine library, or <code>null</code> if not available
 	 */
 	public static IClasspathEntry getJUnitJupiterEngineLibraryEntry() {
 		return JUNIT_JUPITER_ENGINE_PLUGIN.getLibraryEntry();
 	}

 	/**
 	 * @return the org.junit.jupiter.migrationsupport library, or <code>null</code> if not available
 	 */
 	public static IClasspathEntry getJUnitJupiterMigrationSupportLibraryEntry() {
 		return JUNIT_JUPITER_MIGRATIONSUPPORT_PLUGIN.getLibraryEntry();
 	}

 	/**
 	 * @return the org.junit.jupiter.params library, or <code>null</code> if not available
 	 */
 	public static IClasspathEntry getJUnitJupiterParamsLibraryEntry() {
 		return JUNIT_JUPITER_PARAMS_PLUGIN.getLibraryEntry();
 	}

 	/**
 	 * @return the org.junit.platform.commons library, or <code>null</code> if not available
 	 */
 	public static IClasspathEntry getJUnitPlatformCommonsLibraryEntry() {
 		return JUNIT_PLATFORM_COMMONS_PLUGIN.getLibraryEntry();
 	}

 	/**
 	 * @return the org.junit.platform.engine library, or <code>null</code> if not available
 	 */
 	public static IClasspathEntry getJUnitPlatformEngineLibraryEntry() {
 		return JUNIT_PLATFORM_ENGINE_PLUGIN.getLibraryEntry();
 	}

 	/**
 	 * @return the org.junit.platform.launcher library, or <code>null</code> if not available
 	 */
 	public static IClasspathEntry getJUnitPlatformLauncherLibraryEntry() {
 		return JUNIT_PLATFORM_LAUNCHER_PLUGIN.getLibraryEntry();
 	}

 	/**
 	 * @return the org.junit.platform.runner library, or <code>null</code> if not available
 	 */
 	public static IClasspathEntry getJUnitPlatformRunnerLibraryEntry() {
 		return JUNIT_PLATFORM_RUNNER_PLUGIN.getLibraryEntry();
 	}

 	/**
 	 * @return the org.junit.platform.suite.api library, or <code>null</code> if not available
 	 */
 	public static IClasspathEntry getJUnitPlatformSuiteApiLibraryEntry() {
 		return JUNIT_PLATFORM_SUITE_API_PLUGIN.getLibraryEntry();
 	}

 	/**
 	 * @return the org.junit.vintage.engine library, or <code>null</code> if not available
 	 */
 	public static IClasspathEntry getJUnitVintageEngineLibraryEntry() {
 		return JUNIT_VINTAGE_ENGINE_PLUGIN.getLibraryEntry();
 	}

 	/**
 	 * @return the org.opentest4j library, or <code>null</code> if not available
 	 */
 	public static IClasspathEntry getJUnitOpentest4jLibraryEntry() {
 		return JUNIT_OPENTEST4J_PLUGIN.getLibraryEntry();
 	}

 	/**
 	 * @return the org.apiguardian library, or <code>null</code> if not available
 	 */
 	public static IClasspathEntry getJUnitApiGuardianLibraryEntry() {
 		return JUNIT_APIGUARDIAN_PLUGIN.getLibraryEntry();
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2017 IBM Corporation and others.
	* 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:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.jdt.internal.junit.buildpath;


	import java.io.File;
	import java.io.FilenameFilter;
	import java.io.IOException;
	import java.net.URL;

	import org.osgi.framework.Bundle;
	import org.osgi.framework.Version;

	import org.eclipse.equinox.frameworkadmin.BundleInfo;
	import org.eclipse.jdt.junit.JUnitCore;
	import org.eclipse.osgi.service.resolver.VersionRange;

	import org.eclipse.core.runtime.FileLocator;
	import org.eclipse.core.runtime.IPath;
	import org.eclipse.core.runtime.Path;
	import org.eclipse.core.runtime.Platform;

	import org.eclipse.jdt.core.IAccessRule;
	import org.eclipse.jdt.core.IClasspathAttribute;
	import org.eclipse.jdt.core.IClasspathEntry;
	import org.eclipse.jdt.core.JavaCore;

	import org.eclipse.jdt.internal.junit.JUnitCorePlugin;
	import org.eclipse.jdt.internal.junit.JUnitPreferencesConstants;


	public class BuildPathSupport {


	public static class JUnitPluginDescription {

	private final String bundleId;
	private final VersionRange versionRange;
	private final String bundleRoot;
	private final String binaryImportedRoot;
	private final String sourceBundleId;
	private final String repositorySource;
	private final String javadocPreferenceKey;

	private String resolvedVersion = null;

	public JUnitPluginDescription(String bundleId, VersionRange versionRange, String bundleRoot, String binaryImportedRoot, String sourceBundleId, String repositorySource, String javadocPreferenceKey) {
	this.bundleId= bundleId;
	this.versionRange= versionRange;
	this.bundleRoot= bundleRoot;
	this.binaryImportedRoot= binaryImportedRoot;
	this.sourceBundleId= sourceBundleId;
	this.repositorySource= repositorySource;
	this.javadocPreferenceKey= javadocPreferenceKey;
	}

	public IPath getBundleLocation() {
	return getBundleLocation(bundleId, versionRange);
	}

	public IPath getSourceBundleLocation() {
	return getSourceLocation(getBundleLocation());
	}

	private IPath getBundleLocation(String aBundleId, VersionRange aVersionRange) {
	return getBundleLocation(aBundleId, aVersionRange, false);
	}

	private IPath getBundleLocation(String aBundleId, VersionRange aVersionRange, boolean isSourceBundle) {
	BundleInfo bundleInfo = P2Utils.findBundle(aBundleId, aVersionRange, isSourceBundle);
	if (bundleInfo != null) {
	resolvedVersion = bundleInfo.getVersion();
	return P2Utils.getBundleLocationPath(bundleInfo);
	} else {
	// p2's simple configurator is not available. Let's try with installed bundles from the running platform.
	// Note: Source bundles are typically not available at run time!
	Bundle[] bundles= Platform.getBundles(aBundleId, aVersionRange.toString());
	Bundle bestMatch = null;
	if (bundles != null) {
	for (int i= 0; i < bundles.length; i++) {
	Bundle bundle= bundles[i];
	if (bestMatch == null \|\| bundle.getState() > bestMatch.getState()) {
	bestMatch= bundle;
	}
	}
	}
	if (bestMatch != null) {
	try {
	resolvedVersion = bestMatch.getVersion().toString();
	URL rootUrl= bestMatch.getEntry("/"); //$NON-NLS-1$
	URL fileRootUrl= FileLocator.toFileURL(rootUrl);
	return new Path(fileRootUrl.getPath());
	} catch (IOException ex) {
	JUnitCorePlugin.log(ex);
	}
	}
	}
	return null;
	}

	public IClasspathEntry getLibraryEntry() {
	IPath bundleLocation = getBundleLocation(bundleId, versionRange);
	if (bundleLocation != null) {
	IPath bundleRootLocation= null;
	if (bundleRoot != null) {
	bundleRootLocation= getLocationIfExists(bundleLocation, bundleRoot);
	}
	if (bundleRootLocation == null && binaryImportedRoot != null) {
	bundleRootLocation= getLocationIfExists(bundleLocation, binaryImportedRoot);
	}
	if (bundleRootLocation == null) {
	bundleRootLocation= getBundleLocation(bundleId, versionRange);
	}

	IPath srcLocation= getSourceLocation(bundleLocation);

	String javadocLocation= Platform.getPreferencesService().getString(JUnitCorePlugin.CORE_PLUGIN_ID, javadocPreferenceKey, "", null); //$NON-NLS-1$
	IClasspathAttribute[] attributes;
	if (javadocLocation.length() == 0) {
	attributes= new IClasspathAttribute[0];
	} else {
	attributes= new IClasspathAttribute[] { JavaCore.newClasspathAttribute(IClasspathAttribute.JAVADOC_LOCATION_ATTRIBUTE_NAME, javadocLocation) };
	}

	return JavaCore.newLibraryEntry(bundleRootLocation, srcLocation, null, getAccessRules(), attributes, false);
	}
	return null;
	}

	public IAccessRule[] getAccessRules() {
	return new IAccessRule[0];
	}

	private IPath getSourceLocation(IPath bundleLocation) {
	IPath srcLocation= null;
	if (repositorySource != null) {
	// Try source in workspace (from repository)
	srcLocation= getLocationIfExists(bundleLocation, repositorySource);
	}

	if (srcLocation == null) {
	if (bundleLocation != null) {
	// Try exact version
	Version version= new Version(resolvedVersion);
	srcLocation= getBundleLocation(sourceBundleId, new VersionRange(version, true, version, true), true);
	}
	if (srcLocation == null) {
	// Try version range
	srcLocation= getBundleLocation(sourceBundleId, versionRange, true);
	}
	}

	return srcLocation;
	}

	private IPath getLocationIfExists(IPath bundleLocationPath, final String entryInBundle) {
	IPath srcLocation= null;
	if (bundleLocationPath != null) {
	File bundleFile= bundleLocationPath.toFile();
	if (bundleFile.isDirectory()) {
	File srcFile= null;
	final int starIdx= entryInBundle.indexOf('*');
	if (starIdx != -1) {
	File[] files= bundleFile.listFiles(new FilenameFilter() {
	private String pre= entryInBundle.substring(0, starIdx);
	private String post= entryInBundle.substring(starIdx + 1);
	@Override
	public boolean accept(File dir, String name) {
	return name.startsWith(pre) && name.endsWith(post);
	}
	});
	if (files.length > 0) {
	srcFile= files[0];
	}
	}
	if (srcFile == null)
	srcFile= new File(bundleFile, entryInBundle);
	if (srcFile.exists()) {
	srcLocation= new Path(srcFile.getPath());
	if (srcFile.isDirectory()) {
	srcLocation= srcLocation.addTrailingSeparator();
	}
	}
	}
	}
	return srcLocation;
	}
	}


	public static final JUnitPluginDescription JUNIT3_PLUGIN= new JUnitPluginDescription(
	"org.junit", new VersionRange("[3.8.2,3.9)"), "junit.jar", "junit.jar", "org.junit.source", "source-bundle/", JUnitPreferencesConstants.JUNIT3_JAVADOC); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ //$NON-NLS-6$

	public static final JUnitPluginDescription JUNIT4_PLUGIN= new JUnitPluginDescription(
	"org.junit", new VersionRange("[4.7.0,5.0.0)"), "junit.jar", "junit.jar", "org.junit.source", "source-bundle/", JUnitPreferencesConstants.JUNIT4_JAVADOC); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ //$NON-NLS-6$

	private static final JUnitPluginDescription HAMCREST_CORE_PLUGIN= new JUnitPluginDescription(
	"org.hamcrest.core", new VersionRange("[1.1.0,2.0.0)"), null, "org.hamcrest.core_1.*.jar", "org.hamcrest.core.source", "source-bundle/", JUnitPreferencesConstants.HAMCREST_CORE_JAVADOC); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$

	public static final JUnitPluginDescription JUNIT_JUPITER_API_PLUGIN= new JUnitPluginDescription(
	"org.junit.jupiter.api", new VersionRange("[5.0.0,6.0.0)"), "org.junit.jupiter.api.jar", "", "org.junit.jupiter.api.source", "", //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$//$NON-NLS-5$//$NON-NLS-6$
	JUnitPreferencesConstants.JUNIT_JUPITER_API_JAVADOC);

	public static final JUnitPluginDescription JUNIT_JUPITER_ENGINE_PLUGIN= new JUnitPluginDescription(
	"org.junit.jupiter.engine", new VersionRange("[5.0.0,6.0.0)"), "org.junit.jupiter.engine.jar", "", "org.junit.jupiter.engine.source", "", //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$//$NON-NLS-5$//$NON-NLS-6$
	JUnitPreferencesConstants.JUNIT_JUPITER_ENGINE_JAVADOC);

	public static final JUnitPluginDescription JUNIT_JUPITER_MIGRATIONSUPPORT_PLUGIN= new JUnitPluginDescription(
	"org.junit.jupiter.migrationsupport", new VersionRange("[5.0.0,6.0.0)"), "org.junit.jupiter.migrationsupport.jar", "", "org.junit.jupiter.migrationsupport.source", "", //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$//$NON-NLS-5$//$NON-NLS-6$
	JUnitPreferencesConstants.JUNIT_JUPITER_MIGRATIONSUPPORT_JAVADOC);

	public static final JUnitPluginDescription JUNIT_JUPITER_PARAMS_PLUGIN= new JUnitPluginDescription(
	"org.junit.jupiter.params", new VersionRange("[5.0.0,6.0.0)"), "org.junit.jupiter.params.jar", "", "org.junit.jupiter.params.source", "", //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$//$NON-NLS-5$//$NON-NLS-6$
	JUnitPreferencesConstants.JUNIT_JUPITER_PARAMS_JAVADOC);

	public static final JUnitPluginDescription JUNIT_PLATFORM_COMMONS_PLUGIN= new JUnitPluginDescription(
	"org.junit.platform.commons", new VersionRange("[1.0.0,2.0.0)"), "org.junit.platform.commons.jar", "", "org.junit.platform.commons.source", "", //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$//$NON-NLS-5$//$NON-NLS-6$
	JUnitPreferencesConstants.JUNIT_PLATFORM_COMMONS_JAVADOC);

	public static final JUnitPluginDescription JUNIT_PLATFORM_ENGINE_PLUGIN= new JUnitPluginDescription(
	"org.junit.platform.engine", new VersionRange("[1.0.0,2.0.0)"), "org.junit.platform.engine.jar", "", "org.junit.platform.engine.source", "", //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$//$NON-NLS-5$//$NON-NLS-6$
	JUnitPreferencesConstants.JUNIT_PLATFORM_ENGINE_JAVADOC);

	public static final JUnitPluginDescription JUNIT_PLATFORM_LAUNCHER_PLUGIN= new JUnitPluginDescription(
	"org.junit.platform.launcher", new VersionRange("[1.0.0,2.0.0)"), "org.junit.platform.launcher.jar", "", "org.junit.platform.launcher.source", "", //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$//$NON-NLS-5$//$NON-NLS-6$
	JUnitPreferencesConstants.JUNIT_PLATFORM_LAUNCHER_JAVADOC);

	public static final JUnitPluginDescription JUNIT_PLATFORM_RUNNER_PLUGIN= new JUnitPluginDescription(
	"org.junit.platform.runner", new VersionRange("[1.0.0,2.0.0)"), "org.junit.platform.runner.jar", "", "org.junit.platform.runner.source", "", //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$//$NON-NLS-5$//$NON-NLS-6$
	JUnitPreferencesConstants.JUNIT_PLATFORM_RUNNER_JAVADOC);

	public static final JUnitPluginDescription JUNIT_PLATFORM_SUITE_API_PLUGIN= new JUnitPluginDescription(
	"org.junit.platform.suite.api", new VersionRange("[1.0.0,2.0.0)"), "org.junit.platform.suite.api.jar", "", "org.junit.platform.suite.api.source", "", //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$//$NON-NLS-5$//$NON-NLS-6$
	JUnitPreferencesConstants.JUNIT_PLATFORM_SUITE_API_JAVADOC);

	public static final JUnitPluginDescription JUNIT_VINTAGE_ENGINE_PLUGIN= new JUnitPluginDescription(
	"org.junit.vintage.engine", new VersionRange("[4.12.0,5.0.0)"), "org.junit.vintage.engine.jar", "", "org.junit.vintage.engine.source", "", //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$//$NON-NLS-5$//$NON-NLS-6$
	JUnitPreferencesConstants.JUNIT_VINTAGE_ENGINE_JAVADOC);

	public static final JUnitPluginDescription JUNIT_OPENTEST4J_PLUGIN= new JUnitPluginDescription(
	"org.opentest4j", new VersionRange("[1.0.0,2.0.0)"), "org.opentest4j.jar", "", "org.opentest4j.source", "", //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$//$NON-NLS-5$//$NON-NLS-6$
	JUnitPreferencesConstants.JUNIT_OPENTEST4J_JAVADOC);

	public static final JUnitPluginDescription JUNIT_APIGUARDIAN_PLUGIN= new JUnitPluginDescription(
	"org.apiguardian", new VersionRange("[1.0.0,2.0.0)"), "org.apiguardian.jar", "", "org.apiguardian.source", "", //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$//$NON-NLS-5$//$NON-NLS-6$
	JUnitPreferencesConstants.JUNIT_APIGUARDIAN_JAVADOC);

	public static final JUnitPluginDescription JUNIT4_AS_3_PLUGIN= new JUnitPluginDescription(
	JUNIT4_PLUGIN.bundleId, JUNIT4_PLUGIN.versionRange, JUNIT4_PLUGIN.bundleRoot, JUNIT4_PLUGIN.binaryImportedRoot,
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	public IAccessRule[] getAccessRules() {
	return new IAccessRule[] {
	JavaCore.newAccessRule(new Path("junit/"), IAccessRule.K_ACCESSIBLE), //$NON-NLS-1$
	JavaCore.newAccessRule(new Path("*/"), IAccessRule.K_NON_ACCESSIBLE) //$NON-NLS-1$
	};
	}
	};

	/**
	* @return the JUnit3 classpath container
	*/
	public static IClasspathEntry getJUnit3ClasspathEntry() {
	return JavaCore.newContainerEntry(JUnitCore.JUNIT3_CONTAINER_PATH);
	}

	/**
	* @return the JUnit4 classpath container
	*/
	public static IClasspathEntry getJUnit4ClasspathEntry() {
	return JavaCore.newContainerEntry(JUnitCore.JUNIT4_CONTAINER_PATH);
	}

	/**
	* @return the JUnit5 classpath container
	*/
	public static IClasspathEntry getJUnit5ClasspathEntry() {
	return JavaCore.newContainerEntry(JUnitCore.JUNIT5_CONTAINER_PATH);
	}

	/**
	* @return the org.junit version 3 library, or <code>null</code> if not available
	*/
	public static IClasspathEntry getJUnit3LibraryEntry() {
	return JUNIT3_PLUGIN.getLibraryEntry();
	}

	/**
	* @return the org.junit version 4 library, or <code>null</code> if not available
	*/
	public static IClasspathEntry getJUnit4LibraryEntry() {
	return JUNIT4_PLUGIN.getLibraryEntry();
	}

	/**
	* @return the org.junit version 4 library with access rules for JUnit 3, or <code>null</code>
	* if not available
	*/
	public static IClasspathEntry getJUnit4as3LibraryEntry() {
	return JUNIT4_AS_3_PLUGIN.getLibraryEntry();
	}

	/**
	* @return the org.hamcrest.core library, or <code>null</code> if not available
	*/
	public static IClasspathEntry getHamcrestCoreLibraryEntry() {
	return HAMCREST_CORE_PLUGIN.getLibraryEntry();
	}

	/**
	* @return the org.junit.jupiter.api library, or <code>null</code> if not available
	*/
	public static IClasspathEntry getJUnitJupiterApiLibraryEntry() {
	return JUNIT_JUPITER_API_PLUGIN.getLibraryEntry();
	}

	/**
	* @return the org.junit.jupiter.engine library, or <code>null</code> if not available
	*/
	public static IClasspathEntry getJUnitJupiterEngineLibraryEntry() {
	return JUNIT_JUPITER_ENGINE_PLUGIN.getLibraryEntry();
	}

	/**
	* @return the org.junit.jupiter.migrationsupport library, or <code>null</code> if not available
	*/
	public static IClasspathEntry getJUnitJupiterMigrationSupportLibraryEntry() {
	return JUNIT_JUPITER_MIGRATIONSUPPORT_PLUGIN.getLibraryEntry();
	}

	/**
	* @return the org.junit.jupiter.params library, or <code>null</code> if not available
	*/
	public static IClasspathEntry getJUnitJupiterParamsLibraryEntry() {
	return JUNIT_JUPITER_PARAMS_PLUGIN.getLibraryEntry();
	}

	/**
	* @return the org.junit.platform.commons library, or <code>null</code> if not available
	*/
	public static IClasspathEntry getJUnitPlatformCommonsLibraryEntry() {
	return JUNIT_PLATFORM_COMMONS_PLUGIN.getLibraryEntry();
	}

	/**
	* @return the org.junit.platform.engine library, or <code>null</code> if not available
	*/
	public static IClasspathEntry getJUnitPlatformEngineLibraryEntry() {
	return JUNIT_PLATFORM_ENGINE_PLUGIN.getLibraryEntry();
	}

	/**
	* @return the org.junit.platform.launcher library, or <code>null</code> if not available
	*/
	public static IClasspathEntry getJUnitPlatformLauncherLibraryEntry() {
	return JUNIT_PLATFORM_LAUNCHER_PLUGIN.getLibraryEntry();
	}

	/**
	* @return the org.junit.platform.runner library, or <code>null</code> if not available
	*/
	public static IClasspathEntry getJUnitPlatformRunnerLibraryEntry() {
	return JUNIT_PLATFORM_RUNNER_PLUGIN.getLibraryEntry();
	}

	/**
	* @return the org.junit.platform.suite.api library, or <code>null</code> if not available
	*/
	public static IClasspathEntry getJUnitPlatformSuiteApiLibraryEntry() {
	return JUNIT_PLATFORM_SUITE_API_PLUGIN.getLibraryEntry();
	}

	/**
	* @return the org.junit.vintage.engine library, or <code>null</code> if not available
	*/
	public static IClasspathEntry getJUnitVintageEngineLibraryEntry() {
	return JUNIT_VINTAGE_ENGINE_PLUGIN.getLibraryEntry();
	}

	/**
	* @return the org.opentest4j library, or <code>null</code> if not available
	*/
	public static IClasspathEntry getJUnitOpentest4jLibraryEntry() {
	return JUNIT_OPENTEST4J_PLUGIN.getLibraryEntry();
	}

	/**
	* @return the org.apiguardian library, or <code>null</code> if not available
	*/
	public static IClasspathEntry getJUnitApiGuardianLibraryEntry() {
	return JUNIT_APIGUARDIAN_PLUGIN.getLibraryEntry();
	}
	}