| /******************************************************************************* |
| * Copyright (c) 2006, 2012 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.launching.environments; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Properties; |
| import java.util.StringTokenizer; |
| |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.Path; |
| import org.eclipse.jdt.core.IAccessRule; |
| import org.eclipse.jdt.core.IJavaProject; |
| import org.eclipse.jdt.core.JavaCore; |
| import org.eclipse.jdt.launching.IVMInstall; |
| import org.eclipse.jdt.launching.LibraryLocation; |
| import org.eclipse.jdt.launching.environments.IAccessRuleParticipant; |
| import org.eclipse.jdt.launching.environments.IExecutionEnvironment; |
| import org.osgi.framework.Constants; |
| |
| /** |
| * Creates default access rules for standard execution environments |
| * based on OSGi profiles. |
| * |
| * @since 3.3 |
| */ |
| public class DefaultAccessRuleParticipant implements IAccessRuleParticipant { |
| |
| /** |
| * Cache of access rules per environment. Re-use rules between projects. |
| */ |
| private static Map<String, IAccessRule[][]> fgRules = new HashMap<String, IAccessRule[][]>(); |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.launching.environments.IAccessRuleParticipant#getAccessRules(org.eclipse.jdt.launching.environments.IExecutionEnvironment, org.eclipse.jdt.launching.IVMInstall, org.eclipse.jdt.launching.LibraryLocation[], org.eclipse.jdt.core.IJavaProject) |
| */ |
| public IAccessRule[][] getAccessRules(IExecutionEnvironment environment, IVMInstall vm, LibraryLocation[] libraries, IJavaProject project) { |
| IAccessRule[][] allRules = null; |
| allRules = fgRules.get(environment.getId()); |
| if (allRules == null || allRules.length != libraries.length) { |
| // if a different number of libraries, create a new set of rules |
| String[] packages = retrieveSystemPackages(environment); |
| IAccessRule[] packageRules = null; |
| if (packages.length > 0) { |
| packageRules = new IAccessRule[packages.length + 1]; |
| for (int i = 0; i < packages.length; i++) { |
| packageRules[i] = JavaCore.newAccessRule(new Path(packages[i].replace('.', IPath.SEPARATOR)), IAccessRule.K_ACCESSIBLE); |
| } |
| // add IGNORE_IF_BETTER flag in case another explicit entry allows access (see bug 228488) |
| packageRules[packages.length] = JavaCore.newAccessRule(new Path("**/*"), IAccessRule.K_NON_ACCESSIBLE | IAccessRule.IGNORE_IF_BETTER); //$NON-NLS-1$ |
| } else { |
| packageRules = new IAccessRule[0]; |
| } |
| allRules = new IAccessRule[libraries.length][]; |
| for (int i = 0; i < allRules.length; i++) { |
| allRules[i] = packageRules; |
| } |
| fgRules.put(environment.getId(), allRules); |
| } |
| return allRules; |
| } |
| |
| private String[] retrieveSystemPackages(IExecutionEnvironment environment) { |
| Properties profile = environment.getProfileProperties(); |
| if (profile != null) { |
| String packages = profile.getProperty(Constants.FRAMEWORK_SYSTEMPACKAGES); |
| if (packages != null) { |
| StringTokenizer tokenizer = new StringTokenizer(packages, ","); //$NON-NLS-1$ |
| String[] result = new String[tokenizer.countTokens() + 1]; |
| result[0] = "java.**"; //$NON-NLS-1$ |
| for (int i = 1; i < result.length; i++) { |
| result[i] = tokenizer.nextToken().trim() + ".*"; //$NON-NLS-1$ |
| } |
| return result; |
| } |
| } |
| return new String[0]; |
| } |
| } |