| /******************************************************************************* |
| * Copyright (c) 2000, 2016 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 |
| * |
| *******************************************************************************/ |
| package org.eclipse.dltk.launching; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.debug.core.ILaunchConfiguration; |
| import org.eclipse.dltk.core.IScriptProject; |
| |
| /** |
| * Default implementation for buildpath provider. |
| * <p> |
| * This class may be subclassed. |
| * </p> |
| */ |
| public class StandardBuildpathProvider implements IRuntimeBuildpathProvider { |
| @Override |
| public IRuntimeBuildpathEntry[] computeUnresolvedBuildpath( |
| ILaunchConfiguration configuration) throws CoreException { |
| boolean useDefault = configuration.getAttribute( |
| ScriptLaunchConfigurationConstants.ATTR_DEFAULT_BUILDPATH, |
| true); |
| if (useDefault) { |
| IScriptProject proj = ScriptRuntime.getScriptProject(configuration); |
| IRuntimeBuildpathEntry InterpreterEnvironmentEntry = ScriptRuntime |
| .computeInterpreterEntry(configuration); |
| if (proj == null) { |
| // no project - use default libraries |
| if (InterpreterEnvironmentEntry == null) { |
| return new IRuntimeBuildpathEntry[0]; |
| } |
| return new IRuntimeBuildpathEntry[] { |
| InterpreterEnvironmentEntry }; |
| } |
| IRuntimeBuildpathEntry[] entries = ScriptRuntime |
| .computeUnresolvedRuntimeBuildpath(proj); |
| // replace project interpreter with config's interpreter |
| IRuntimeBuildpathEntry projEntry = ScriptRuntime |
| .computeInterpreterEntry(proj); |
| if (InterpreterEnvironmentEntry != null && projEntry != null) { |
| if (!InterpreterEnvironmentEntry.equals(projEntry)) { |
| for (int i = 0; i < entries.length; i++) { |
| IRuntimeBuildpathEntry entry = entries[i]; |
| if (entry.equals(projEntry)) { |
| entries[i] = InterpreterEnvironmentEntry; |
| return entries; |
| } |
| } |
| } |
| } |
| return entries; |
| } |
| // recover persisted buildpath |
| return recoverRuntimePath(configuration, |
| ScriptLaunchConfigurationConstants.ATTR_BUILDPATH); |
| } |
| |
| @Override |
| public IRuntimeBuildpathEntry[] resolveBuildpath( |
| IRuntimeBuildpathEntry[] entries, |
| ILaunchConfiguration configuration) throws CoreException { |
| List<IRuntimeBuildpathEntry> all = new ArrayList<IRuntimeBuildpathEntry>( |
| entries.length); |
| for (int i = 0; i < entries.length; i++) { |
| IRuntimeBuildpathEntry[] resolved = ScriptRuntime |
| .resolveRuntimeBuildpathEntry(entries[i], configuration); |
| for (int j = 0; j < resolved.length; j++) { |
| all.add(resolved[j]); |
| } |
| } |
| return all.toArray(new IRuntimeBuildpathEntry[all.size()]); |
| } |
| |
| /** |
| * Returns a collection of runtime buildpath entries that are defined in the |
| * specified attribute of the given launch configuration. When present, the |
| * attribute must contain a list of runtime buildpath entry mementos. |
| * |
| * @param configuration |
| * launch configuration |
| * @param attribute |
| * attribute name containing the list of entries |
| * @return collection of runtime buildpath entries that are defined in the |
| * specified attribute of the given launch configuration |
| * @exception CoreException |
| * if unable to retrieve the list |
| */ |
| protected IRuntimeBuildpathEntry[] recoverRuntimePath( |
| ILaunchConfiguration configuration, String attribute) |
| throws CoreException { |
| List<?> entries = configuration.getAttribute(attribute, |
| Collections.EMPTY_LIST); |
| IRuntimeBuildpathEntry[] rtes = new IRuntimeBuildpathEntry[entries |
| .size()]; |
| int i = 0; |
| for (Iterator<?> iter = entries.iterator(); iter.hasNext();) { |
| rtes[i] = ScriptRuntime |
| .newRuntimeBuildpathEntry((String) iter.next()); |
| i++; |
| } |
| return rtes; |
| } |
| |
| } |