| /******************************************************************************* |
| * 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 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.core.builder; |
| |
| import java.io.IOException; |
| import java.util.zip.ZipFile; |
| |
| import org.eclipse.core.resources.*; |
| import org.eclipse.core.runtime.*; |
| import org.eclipse.jdt.internal.compiler.classfmt.ClassFormatException; |
| import org.eclipse.jdt.internal.compiler.classfmt.ExternalAnnotationDecorator; |
| import org.eclipse.jdt.internal.compiler.env.AccessRuleSet; |
| import org.eclipse.jdt.internal.compiler.env.IBinaryType; |
| import org.eclipse.jdt.internal.compiler.env.NameEnvironmentAnswer; |
| import org.eclipse.jdt.internal.compiler.util.SimpleLookupTable; |
| import org.eclipse.jdt.internal.compiler.util.SuffixConstants; |
| import org.eclipse.jdt.internal.core.util.Util; |
| |
| public class ClasspathDirectory extends ClasspathLocation { |
| |
| IContainer binaryFolder; // includes .class files for a single directory |
| boolean isOutputFolder; |
| SimpleLookupTable directoryCache; |
| String[] missingPackageHolder = new String[1]; |
| AccessRuleSet accessRuleSet; |
| ZipFile annotationZipFile; |
| String externalAnnotationPath; |
| |
| ClasspathDirectory(IContainer binaryFolder, boolean isOutputFolder, AccessRuleSet accessRuleSet, IPath externalAnnotationPath) { |
| this.binaryFolder = binaryFolder; |
| this.isOutputFolder = isOutputFolder || binaryFolder.getProjectRelativePath().isEmpty(); // if binaryFolder == project, then treat it as an outputFolder |
| this.directoryCache = new SimpleLookupTable(5); |
| this.accessRuleSet = accessRuleSet; |
| if (externalAnnotationPath != null) |
| this.externalAnnotationPath = externalAnnotationPath.toOSString(); |
| } |
| |
| public void cleanup() { |
| if (this.annotationZipFile != null) { |
| try { |
| this.annotationZipFile.close(); |
| } catch(IOException e) { // ignore it |
| } |
| this.annotationZipFile = null; |
| } |
| this.directoryCache = null; |
| } |
| |
| String[] directoryList(String qualifiedPackageName) { |
| String[] dirList = (String[]) this.directoryCache.get(qualifiedPackageName); |
| if (dirList == this.missingPackageHolder) return null; // package exists in another classpath directory or jar |
| if (dirList != null) return dirList; |
| |
| try { |
| IResource container = this.binaryFolder.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]; |
| if (m.getType() == IResource.FILE && org.eclipse.jdt.internal.compiler.util.Util.isClassFileName(m.getName())) |
| // add exclusion pattern check here if we want to hide .class files |
| dirList[index++] = m.getName(); |
| } |
| if (index < dirList.length) |
| System.arraycopy(dirList, 0, dirList = new String[index], 0, index); |
| this.directoryCache.put(qualifiedPackageName, dirList); |
| return dirList; |
| } |
| } catch(CoreException ignored) { |
| // ignore |
| } |
| this.directoryCache.put(qualifiedPackageName, this.missingPackageHolder); |
| return null; |
| } |
| |
| boolean doesFileExist(String fileName, String qualifiedPackageName, String qualifiedFullName) { |
| 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 ClasspathDirectory)) return false; |
| |
| ClasspathDirectory dir = (ClasspathDirectory) o; |
| if (this.accessRuleSet != dir.accessRuleSet) |
| if (this.accessRuleSet == null || !this.accessRuleSet.equals(dir.accessRuleSet)) |
| return false; |
| return this.binaryFolder.equals(dir.binaryFolder); |
| } |
| |
| public NameEnvironmentAnswer findClass(String binaryFileName, String qualifiedPackageName, String qualifiedBinaryFileName) { |
| if (!doesFileExist(binaryFileName, qualifiedPackageName, qualifiedBinaryFileName)) return null; // most common case |
| |
| IBinaryType reader = null; |
| try { |
| reader = Util.newClassFileReader(this.binaryFolder.getFile(new Path(qualifiedBinaryFileName))); |
| } catch (CoreException e) { |
| return null; |
| } catch (ClassFormatException e) { |
| return null; |
| } catch (IOException e) { |
| return null; |
| } |
| if (reader != null) { |
| String fileNameWithoutExtension = qualifiedBinaryFileName.substring(0, qualifiedBinaryFileName.length() - SuffixConstants.SUFFIX_CLASS.length); |
| if (this.externalAnnotationPath != null) { |
| try { |
| if (this.annotationZipFile == null) { |
| this.annotationZipFile = ExternalAnnotationDecorator |
| .getAnnotationZipFile(this.externalAnnotationPath, null); |
| } |
| reader = ExternalAnnotationDecorator.create(reader, this.externalAnnotationPath, |
| fileNameWithoutExtension, this.annotationZipFile); |
| } catch (IOException e) { |
| // don't let error on annotations fail class reading |
| } |
| } |
| if (this.accessRuleSet == null) |
| return new NameEnvironmentAnswer(reader, null); |
| return new NameEnvironmentAnswer(reader, this.accessRuleSet.getViolatedRestriction(fileNameWithoutExtension.toCharArray())); |
| } |
| return null; |
| } |
| |
| public IPath getProjectRelativePath() { |
| return this.binaryFolder.getProjectRelativePath(); |
| } |
| |
| public int hashCode() { |
| return this.binaryFolder == null ? super.hashCode() : this.binaryFolder.hashCode(); |
| } |
| |
| protected boolean isExcluded(IResource resource) { |
| return false; |
| } |
| |
| public boolean isOutputFolder() { |
| return this.isOutputFolder; |
| } |
| |
| public boolean isPackage(String qualifiedPackageName) { |
| return directoryList(qualifiedPackageName) != null; |
| } |
| |
| public void reset() { |
| this.directoryCache = new SimpleLookupTable(5); |
| } |
| |
| public String toString() { |
| String start = "Binary classpath directory " + this.binaryFolder.getFullPath().toString(); //$NON-NLS-1$ |
| if (this.accessRuleSet == null) |
| return start; |
| return start + " with " + this.accessRuleSet; //$NON-NLS-1$ |
| } |
| |
| public String debugPathString() { |
| return this.binaryFolder.getFullPath().toString(); |
| } |
| |
| |
| } |