/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIESOR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.aries.application.utils.filesystem.impl;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.apache.aries.application.filesystem.IDirectory;
import org.apache.aries.application.filesystem.IFile;
import org.apache.aries.application.utils.AppConstants;
/**
* An IDirectory representing a java.io.File whose isDirectory method returns true.
*/
public class DirectoryImpl extends FileImpl implements IDirectory
{
/**
* @param dir the file to represent.
* @param rootFile the file that represents the FS root.
*/
public DirectoryImpl(File dir, File rootFile)
{
super(dir, rootFile);
}
public IFile getFile(String name)
{
File desiredFile = new File(file, name);
IFile result = null;
if (desiredFile.exists())
{
if(!desiredFile.isDirectory())
result = new FileImpl(desiredFile, rootDirFile);
else
result = new DirectoryImpl(desiredFile, rootDirFile);
}
return result;
}
public boolean isRoot()
{
boolean result = (rootDirFile == file);
return result;
}
public List<IFile> listFiles()
{
List<IFile> files = new ArrayList<IFile>();
File[] filesInDir = file.listFiles();
if (filesInDir != null) {
for (File f : filesInDir) {
if (f.isFile()) {
files.add(new FileImpl(f, rootDirFile));
} else if (f.isDirectory()) {
files.add(new DirectoryImpl(f, rootDirFile));
}
}
}
return files;
}
public Iterator<IFile> iterator()
{
Iterator<IFile> result = listFiles().iterator();
return result;
}
@Override
public IDirectory getParent()
{
IDirectory result = isRoot() ? null : super.getParent();
return result;
}
@Override
public IDirectory convert()
{
return this;
}
@Override
public InputStream open() throws IOException
{
throw new UnsupportedOperationException();
}
@Override
public long getLastModified()
{
long result = super.getLastModified();
for (IFile aFile : this) {
long tmpLastModified = aFile.getLastModified();
if (tmpLastModified > result) result = tmpLastModified;
}
return result;
}
}