| /******************************************************************************* |
| * Copyright (c) 2000, 2018 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.launching; |
| |
| |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.Iterator; |
| import java.util.LinkedHashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.debug.core.ILaunchConfiguration; |
| import org.eclipse.jdt.core.IJavaProject; |
| |
| /** |
| * Default implementation for classpath provider. |
| * <p> |
| * This class may be sub-classed. |
| * </p> |
| * @since 2.0 |
| */ |
| public class StandardClasspathProvider implements IRuntimeClasspathProvider { |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.launching.IRuntimeClasspathProvider#computeUnresolvedClasspath(org.eclipse.debug.core.ILaunchConfiguration) |
| */ |
| @Override |
| public IRuntimeClasspathEntry[] computeUnresolvedClasspath(ILaunchConfiguration configuration) throws CoreException { |
| boolean useDefault = configuration.getAttribute(IJavaLaunchConfigurationConstants.ATTR_DEFAULT_CLASSPATH, true); |
| boolean isModular = JavaRuntime.isModularConfiguration(configuration); |
| boolean excludeTestCode = configuration.getAttribute(IJavaLaunchConfigurationConstants.ATTR_EXCLUDE_TEST_CODE, false); |
| if (useDefault) { |
| IJavaProject proj = JavaRuntime.getJavaProject(configuration); |
| IRuntimeClasspathEntry jreEntry = JavaRuntime.computeJREEntry(configuration); |
| if (proj == null) { |
| //no project - use default libraries |
| if (jreEntry == null) { |
| return new IRuntimeClasspathEntry[0]; |
| } |
| return new IRuntimeClasspathEntry[]{jreEntry}; |
| } |
| IRuntimeClasspathEntry[] entries = null; |
| if (isModular) { |
| entries = JavaRuntime.computeUnresolvedRuntimeDependencies(proj, excludeTestCode); |
| } else { |
| entries = JavaRuntime.computeUnresolvedRuntimeClasspath(proj, excludeTestCode); |
| } |
| // replace project JRE with config's JRE |
| IRuntimeClasspathEntry projEntry = isModular ? JavaRuntime.computeModularJREEntry(proj) : JavaRuntime.computeJREEntry(proj); |
| if (jreEntry != null && projEntry != null) { |
| if (!jreEntry.equals(projEntry)) { |
| for (int i = 0; i < entries.length; i++) { |
| IRuntimeClasspathEntry entry = entries[i]; |
| if (entry.equals(projEntry)) { |
| entries[i] = jreEntry; |
| return entries; |
| } |
| } |
| } |
| } |
| return entries; |
| } |
| // recover persisted classpath |
| if (isModular) { |
| IRuntimeClasspathEntry[] runtimeModulePaths = recoverRuntimePath(configuration, IJavaLaunchConfigurationConstants.ATTR_MODULEPATH); |
| IRuntimeClasspathEntry[] runtimeClasspaths = recoverRuntimePath(configuration, IJavaLaunchConfigurationConstants.ATTR_CLASSPATH); |
| IRuntimeClasspathEntry[] result = Arrays.copyOf(runtimeModulePaths, runtimeModulePaths.length + runtimeClasspaths.length); |
| System.arraycopy(runtimeClasspaths, 0, result, runtimeModulePaths.length, runtimeClasspaths.length); |
| return result; |
| } |
| return recoverRuntimePath(configuration, IJavaLaunchConfigurationConstants.ATTR_CLASSPATH); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.launching.IRuntimeClasspathProvider#resolveClasspath(org.eclipse.jdt.launching.IRuntimeClasspathEntry[], org.eclipse.debug.core.ILaunchConfiguration) |
| */ |
| @Override |
| public IRuntimeClasspathEntry[] resolveClasspath(IRuntimeClasspathEntry[] entries, ILaunchConfiguration configuration) throws CoreException { |
| // use an ordered set to avoid duplicates |
| Set<IRuntimeClasspathEntry> all = new LinkedHashSet<>(entries.length); |
| for (int i = 0; i < entries.length; i++) { |
| IRuntimeClasspathEntry[] resolved =JavaRuntime.resolveRuntimeClasspathEntry(entries[i], configuration); |
| for (int j = 0; j < resolved.length; j++) { |
| all.add(resolved[j]); |
| } |
| } |
| return all.toArray(new IRuntimeClasspathEntry[all.size()]); |
| } |
| |
| /** |
| * Returns a collection of runtime classpath entries that are defined in the |
| * specified attribute of the given launch configuration. When present, |
| * the attribute must contain a list of runtime classpath entry mementos. |
| * |
| * @param configuration launch configuration |
| * @param attribute attribute name containing the list of entries |
| * @return collection of runtime classpath entries that are defined in the |
| * specified attribute of the given launch configuration |
| * @exception CoreException if unable to retrieve the list |
| */ |
| protected IRuntimeClasspathEntry[] recoverRuntimePath(ILaunchConfiguration configuration, String attribute) throws CoreException { |
| List<String> entries = configuration.getAttribute(attribute, Collections.EMPTY_LIST); |
| IRuntimeClasspathEntry[] rtes = new IRuntimeClasspathEntry[entries.size()]; |
| Iterator<String> iter = entries.iterator(); |
| int i = 0; |
| while (iter.hasNext()) { |
| rtes[i] = JavaRuntime.newRuntimeClasspathEntry(iter.next()); |
| i++; |
| } |
| return rtes; |
| } |
| |
| } |