/*******************************************************************************
* 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.aspectj.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.aspectj.org.eclipse.jdt.internal.compiler.env.NameEnvironmentAnswer;
import org.aspectj.org.eclipse.jdt.internal.compiler.util.SimpleLookupTable;
import org.aspectj.org.eclipse.jdt.internal.core.builder.ClasspathLocation;
import org.aspectj.org.eclipse.jdt.internal.core.util.ResourceCompilationUnit;
import org.aspectj.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.aspectj.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();
}
}