| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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.core.runtime.Path; |
| import org.eclipse.jdt.internal.compiler.batch.CompilationUnit; |
| 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.Util; |
| |
| public class ClasspathSourceDirectory extends ClasspathLocation { |
| |
| IContainer sourceFolder; |
| String sourceLocation; |
| String encoding; |
| SimpleLookupTable directoryCache; |
| String[] missingPackageHolder = new String[1]; |
| char[][] fullExclusionPatternChars; |
| char[][] fulInclusionPatternChars; |
| |
| ClasspathSourceDirectory(IContainer sourceFolder, char[][] fullExclusionPatternChars, char[][] fulInclusionPatternChars) { |
| this.sourceFolder = sourceFolder; |
| IPath location = sourceFolder.getLocation(); |
| this.sourceLocation = location != null ? location.addTrailingSeparator().toString() : ""; //$NON-NLS-1$ |
| // Store default encoding |
| try { |
| this.encoding = this.sourceFolder.getDefaultCharset(); |
| } |
| catch (CoreException ce) { |
| // let use no encoding by default |
| } |
| this.directoryCache = new SimpleLookupTable(5); |
| this.fullExclusionPatternChars = fullExclusionPatternChars; |
| this.fulInclusionPatternChars = fulInclusionPatternChars; |
| } |
| |
| public void cleanup() { |
| this.directoryCache = null; |
| } |
| |
| String[] directoryList(String qualifiedPackageName) { |
| String[] dirList = (String[]) directoryCache.get(qualifiedPackageName); |
| if (dirList == missingPackageHolder) return null; // package exists in another classpath directory or jar |
| if (dirList != null) return dirList; |
| |
| try { |
| IResource container = sourceFolder.findMember(qualifiedPackageName); // this is a case-sensitive check |
| if (container instanceof IContainer) { |
| IResource[] members = ((IContainer) container).members(); |
| dirList = new String[members.length]; |
| int index = 0; |
| for (int i = 0, l = members.length; i < l; i++) { |
| IResource m = members[i]; |
| String name; |
| if (m.getType() == IResource.FILE && org.eclipse.jdt.internal.core.util.Util.isJavaLikeFileName(name = m.getName())) |
| dirList[index++] = name; |
| } |
| if (index < dirList.length) |
| System.arraycopy(dirList, 0, dirList = new String[index], 0, index); |
| directoryCache.put(qualifiedPackageName, dirList); |
| return dirList; |
| } |
| } catch(CoreException ignored) { |
| // treat as if missing |
| } |
| directoryCache.put(qualifiedPackageName, missingPackageHolder); |
| return null; |
| } |
| |
| boolean doesFileExist(String fileName, String qualifiedPackageName) { |
| String[] dirList = directoryList(qualifiedPackageName); |
| if (dirList == null) return false; // most common case |
| |
| for (int i = dirList.length; --i >= 0;) |
| if (fileName.equals(dirList[i])) |
| return true; |
| return false; |
| } |
| |
| 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) { |
| |
| String sourceFolderPath = this.sourceFolder.getFullPath().toString() + IPath.SEPARATOR; |
| char[][] javaLikeExtensions = Util.getJavaLikeExtensions(); |
| for (int i = 0, length = javaLikeExtensions.length; i < length; i++) { |
| String extension = new String(javaLikeExtensions[i]); |
| String sourceFileName = sourceFileWithoutExtension + extension; |
| if (!doesFileExist(sourceFileName, qualifiedPackageName)) continue; // most common case |
| |
| String qualifiedSourceFileName = qualifiedSourceFileWithoutExtension + extension; |
| String fullSourcePath = this.sourceLocation + qualifiedSourceFileName; |
| if (org.eclipse.jdt.internal.compiler.util.Util.isExcluded((sourceFolderPath + qualifiedSourceFileName).toCharArray(), this.fulInclusionPatternChars, this.fullExclusionPatternChars, false/*not a folder path*/)) |
| continue; |
| IPath path = new Path(qualifiedSourceFileName); |
| IFile file = this.sourceFolder.getFile(path); |
| String fileEncoding = this.encoding; |
| try { |
| fileEncoding = file.getCharset(); |
| } |
| catch (CoreException ce) { |
| // let use default encoding |
| } |
| return new NameEnvironmentAnswer(new CompilationUnit(null, fullSourcePath, fileEncoding), null /* no access restriction */); |
| } |
| return null; |
| } |
| |
| public IPath getProjectRelativePath() { |
| return sourceFolder.getProjectRelativePath(); |
| } |
| |
| public boolean isPackage(String qualifiedPackageName) { |
| return directoryList(qualifiedPackageName) != null; |
| } |
| |
| public void reset() { |
| this.directoryCache = new SimpleLookupTable(5); |
| } |
| |
| public String toString() { |
| return "Source classpath directory " + sourceFolder.getFullPath().toString(); //$NON-NLS-1$ |
| } |
| } |