| /******************************************************************************* |
| * Copyright (c) 2000, 2006 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.core.search.matching; |
| |
| import org.eclipse.core.resources.IContainer; |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.jdt.internal.compiler.env.NameEnvironmentAnswer; |
| import org.eclipse.jdt.internal.compiler.util.SimpleLookupTable; |
| import org.eclipse.jdt.internal.core.builder.ClasspathLocation; |
| import org.eclipse.jdt.internal.core.util.ResourceCompilationUnit; |
| import org.eclipse.jdt.internal.core.util.Util; |
| |
| public class ClasspathSourceDirectory extends ClasspathLocation { |
| |
| IContainer sourceFolder; |
| SimpleLookupTable directoryCache; |
| SimpleLookupTable missingPackageHolder = new SimpleLookupTable(); |
| char[][] fullExclusionPatternChars; |
| char[][] fulInclusionPatternChars; |
| |
| ClasspathSourceDirectory(IContainer sourceFolder, char[][] fullExclusionPatternChars, char[][] fulInclusionPatternChars) { |
| this.sourceFolder = sourceFolder; |
| this.directoryCache = new SimpleLookupTable(5); |
| this.fullExclusionPatternChars = fullExclusionPatternChars; |
| this.fulInclusionPatternChars = fulInclusionPatternChars; |
| } |
| |
| public void cleanup() { |
| this.directoryCache = null; |
| } |
| |
| SimpleLookupTable directoryTable(String qualifiedPackageName) { |
| SimpleLookupTable dirTable = (SimpleLookupTable) directoryCache.get(qualifiedPackageName); |
| if (dirTable == missingPackageHolder) return null; // package exists in another classpath directory or jar |
| if (dirTable != null) return dirTable; |
| |
| try { |
| IResource container = sourceFolder.findMember(qualifiedPackageName); // this is a case-sensitive check |
| if (container instanceof IContainer) { |
| IResource[] members = ((IContainer) container).members(); |
| dirTable = new SimpleLookupTable(); |
| for (int i = 0, l = members.length; i < l; i++) { |
| IResource m = members[i]; |
| String name; |
| if (m.getType() == IResource.FILE) { |
| int index = Util.indexOfJavaLikeExtension(name = m.getName()); |
| if (index >= 0) { |
| String fullPath = m.getFullPath().toString(); |
| if (!org.eclipse.jdt.internal.compiler.util.Util.isExcluded(fullPath.toCharArray(), this.fulInclusionPatternChars, this.fullExclusionPatternChars, false/*not a folder path*/)) { |
| dirTable.put(name.substring(0, index), m); |
| } |
| } |
| } |
| } |
| directoryCache.put(qualifiedPackageName, dirTable); |
| return dirTable; |
| } |
| } catch(CoreException ignored) { |
| // treat as if missing |
| } |
| directoryCache.put(qualifiedPackageName, missingPackageHolder); |
| return null; |
| } |
| |
| public boolean equals(Object o) { |
| if (this == o) return true; |
| if (!(o instanceof ClasspathSourceDirectory)) return false; |
| |
| return sourceFolder.equals(((ClasspathSourceDirectory) o).sourceFolder); |
| } |
| |
| public NameEnvironmentAnswer findClass(String sourceFileWithoutExtension, String qualifiedPackageName, String qualifiedSourceFileWithoutExtension) { |
| SimpleLookupTable dirTable = directoryTable(qualifiedPackageName); |
| if (dirTable != null && dirTable.elementSize > 0) { |
| IFile file = (IFile) dirTable.get(sourceFileWithoutExtension); |
| if (file != null) { |
| return new NameEnvironmentAnswer(new ResourceCompilationUnit(file, file.getLocationURI()), null /* no access restriction */); |
| } |
| } |
| return null; |
| } |
| |
| public IPath getProjectRelativePath() { |
| return sourceFolder.getProjectRelativePath(); |
| } |
| |
| public boolean isPackage(String qualifiedPackageName) { |
| return directoryTable(qualifiedPackageName) != null; |
| } |
| |
| public void reset() { |
| this.directoryCache = new SimpleLookupTable(5); |
| } |
| |
| public String toString() { |
| return "Source classpath directory " + sourceFolder.getFullPath().toString(); //$NON-NLS-1$ |
| } |
| |
| public String debugPathString() { |
| return this.sourceFolder.getFullPath().toString(); |
| } |
| |
| } |