Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance. Project price only 1 $
You can buy this project and download/modify it how often you want.
/*
* Copyright (C) 2016 tkv
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 .
*/
package org.vesalainen.nio.file.attribute;
import java.io.File;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.LinkOption;
import java.nio.file.Path;
import java.nio.file.attribute.UserDefinedFileAttributeView;
import java.util.Collection;
import java.util.List;
/**
*
* @author tkv
*/
public class UserDefinedFileAttributes implements UserDefinedAttributes
{
private final UserDefinedFileAttributeView view;
private ByteBuffer bb;
public UserDefinedFileAttributes(File file, int maxSize, LinkOption... options)
{
this(file.toPath(), maxSize, options);
}
public UserDefinedFileAttributes(Path path, int maxSize, LinkOption... options)
{
this(Files.getFileAttributeView(path, UserDefinedFileAttributeView.class, options), maxSize);
}
public UserDefinedFileAttributes(UserDefinedFileAttributeView view, int maxSize)
{
this.view = view;
this.bb = ByteBuffer.allocate(maxSize);
}
@Override
public boolean has(String name) throws IOException
{
return view.list().contains(name);
}
@Override
public Collection list() throws IOException
{
return view.list();
}
@Override
public void deleteAll() throws IOException
{
for (String name : list())
{
delete(name);
}
}
@Override
public void delete(String name) throws IOException
{
view.delete(name);
}
@Override
public int size(String name) throws IOException
{
return view.size(name);
}
@Override
public int write(String name, ByteBuffer src) throws IOException
{
return view.write(name, src);
}
@Override
public int read(String name, ByteBuffer dst) throws IOException
{
return view.read(name, dst);
}
@Override
public void set(String name, byte[] array) throws IOException
{
set(name, array, 0, array.length);
}
@Override
public void set(String name, byte[] array, int offset, int length) throws IOException
{
bb.clear();
bb.put(array, offset, length);
bb.flip();
view.write(name, bb);
}
@Override
public byte[] get(String name) throws IOException
{
byte[] arr = new byte[size(name)];
ByteBuffer wrap = ByteBuffer.wrap(arr);
view.read(name, wrap);
return arr;
}
@Override
public boolean arraysEquals(String name, byte[] array) throws IOException
{
return arraysEquals(name, array, 0, array.length);
}
@Override
public boolean arraysEquals(String name, byte[] array, int offset, int length) throws IOException
{
if (length != size(name))
{
return false;
}
bb.clear();
view.read(name, bb);
bb.flip();
for (int ii=0;ii
