/* HeliDB -- A simple database for Java, http://www.helidb.org
* Copyright (C) 2008, 2009 Karl Gustafsson
*
* This file is a part of HeliDB.
*
* HeliDB is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* HeliDB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.helidb.doc;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.EnumSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import java.util.concurrent.locks.Lock;
import javax.tools.FileObject;
import javax.tools.ForwardingJavaFileManager;
import javax.tools.JavaFileManager;
import javax.tools.JavaFileObject;
import javax.tools.StandardLocation;
import javax.tools.JavaFileObject.Kind;
import org.entityfs.Directory;
import org.entityfs.DirectoryView;
import org.entityfs.EFile;
import org.entityfs.EntityView;
import org.entityfs.el.AbsoluteLocation;
import org.entityfs.el.RelativeLocation;
import org.entityfs.util.Directories;
import org.entityfs.util.Entities;
import org.entityfs.util.cap.entity.ECFileResolvableUtil;
import org.entityfs.util.filter.entity.EFileNameExtensionFilter;
import org.entityfs.util.itr.FilteringIterator;
class TestClassFileManager<T extends JavaFileManager> extends ForwardingJavaFileManager<T>
{
private final Directory m_outDir;
private final ClassLoader m_classLoader;
TestClassFileManager(T mgr, Directory outDir, ClassLoader cl)
{
super(mgr);
m_outDir = outDir;
m_classLoader = cl;
}
@Override
public boolean hasLocation(JavaFileManager.Location location)
{
// I have the following locations
return location == StandardLocation.SOURCE_PATH || location == StandardLocation.CLASS_PATH || location == StandardLocation.CLASS_OUTPUT;
}
@Override
public FileObject getFileForInput(JavaFileManager.Location loc, String packageName, String relativeName) throws IOException
{
System.out.println(loc + " " + packageName + " " + relativeName);
return super.getFileForInput(loc, packageName, relativeName);
}
@Override
public JavaFileObject getJavaFileForInput(JavaFileManager.Location loc, String className, JavaFileObject.Kind kind) throws IOException
{
System.out.println(loc + " " + className + " " + kind);
return super.getJavaFileForInput(loc, className, kind);
}
@Override
public JavaFileObject getJavaFileForOutput(JavaFileManager.Location loc, String className, JavaFileObject.Kind kind, FileObject sibling)
{
Directory dir;
int pos = className.lastIndexOf('.');
if (pos >= 0)
{
dir = Directories.putIfAbsentDirectory(m_outDir, new RelativeLocation(className.substring(0, pos).replace('.', '/')));
className = className.substring(pos + 1);
}
else
{
dir = m_outDir;
}
return new FooSimpleJavaFileObject(new File(ECFileResolvableUtil.getFileObject(dir), className + ".class").toURI(), kind);
}
@Override
public ClassLoader getClassLoader(JavaFileManager.Location loc)
{
return m_classLoader;
}
@Override
public String inferBinaryName(JavaFileManager.Location location, JavaFileObject file)
{
if (file instanceof EFileJavaFileObjectAdapter)
{
String res = ((EFileJavaFileObjectAdapter) file).getRelativeLocation().getLocation().replace('/', '.');
return res.substring(0, res.lastIndexOf('.'));
}
else
{
return super.inferBinaryName(location, file);
}
}
private Collection<JavaFileObject> getClassFilesForDirectory(DirectoryView baseDir, Directory d, boolean recurse)
{
AbsoluteLocation baseDirLoc = Entities.getAbsoluteLocation(baseDir);
ArrayList<JavaFileObject> res = new ArrayList<JavaFileObject>();
Lock rl = d.lockForReading();
try
{
Iterator<EntityView> itr = new FilteringIterator<EntityView>((recurse ? Directories.getDepthLastIterator(d) : Directories.getIterator(d)), new EFileNameExtensionFilter("class"));
while (itr.hasNext())
{
EFile f = (EFile) itr.next();
res.add(new EFileJavaFileObjectAdapter(f, Kind.CLASS, baseDirLoc, Directories.getChildRelativeLocation(d, f)));
}
}
finally
{
rl.unlock();
}
return res;
}
private Collection<JavaFileObject> listClasses(JavaFileManager.Location location, String packageName, boolean recurse)
{
if (location == StandardLocation.CLASS_PATH)
{
RelativeLocation packageLocation = new RelativeLocation(packageName.replace('.', '/'));
Collection<JavaFileObject> res = new ArrayList<JavaFileObject>();
// Search the target dir
Directory classDir = (Directory) Directories.getEntityOrNull(m_outDir, packageLocation);
if (classDir != null)
{
res.addAll(getClassFilesForDirectory(m_outDir, classDir, recurse));
}
return res;
}
else
{
throw new UnsupportedOperationException("The location " + location + " is not handled");
}
}
private void addAllFromIterable(Collection<JavaFileObject> target, Iterable<JavaFileObject> source)
{
for (JavaFileObject jfo : source)
{
target.add(jfo);
}
}
@Override
public Iterable<JavaFileObject> list(JavaFileManager.Location location, String packageName, Set<JavaFileObject.Kind> kinds, boolean recurse) throws IOException
{
if (location == StandardLocation.PLATFORM_CLASS_PATH || location == StandardLocation.SOURCE_PATH)
{
return super.list(location, packageName, kinds, recurse);
}
else
{
// A location that we might handle
List<JavaFileObject> res = new ArrayList<JavaFileObject>();
for (JavaFileObject.Kind k : kinds)
{
switch (k)
{
case CLASS:
res.addAll(listClasses(location, packageName, recurse));
addAllFromIterable(res, super.list(location, packageName, kinds, recurse));
break;
default:
Set<JavaFileObject.Kind> ks = EnumSet.of(k);
for (JavaFileObject jfo : super.list(location, packageName, ks, recurse))
{
res.add(jfo);
}
}
}
return res;
}
}
}