org.cryptomator.cryptofs.attr.CryptoBasicFileAttributeView Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of cryptofs Show documentation

This library provides the Java filesystem provider used by Cryptomator.

The newest version!

/*******************************************************************************
 * Copyright (c) 2016 Sebastian Stenzel and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the accompanying LICENSE.txt.
 *
 * Contributors:
 *     Sebastian Stenzel - initial API and implementation
 *******************************************************************************/
package org.cryptomator.cryptofs.attr;

import org.cryptomator.cryptofs.CryptoPath;
import org.cryptomator.cryptofs.CryptoPathMapper;
import org.cryptomator.cryptofs.ReadonlyFlag;
import org.cryptomator.cryptofs.Symlinks;
import org.cryptomator.cryptofs.fh.OpenCryptoFiles;

import javax.inject.Inject;
import java.io.IOException;
import java.nio.file.LinkOption;
import java.nio.file.attribute.BasicFileAttributeView;
import java.nio.file.attribute.BasicFileAttributes;
import java.nio.file.attribute.FileTime;

@AttributeViewScoped
sealed class CryptoBasicFileAttributeView extends AbstractCryptoFileAttributeView implements BasicFileAttributeView
		permits CryptoDosFileAttributeView, CryptoPosixFileAttributeView {

	protected final AttributeProvider fileAttributeProvider;
	protected final ReadonlyFlag readonlyFlag;

	@Inject
	public CryptoBasicFileAttributeView(CryptoPath cleartextPath, CryptoPathMapper pathMapper, LinkOption[] linkOptions, Symlinks symlinks, OpenCryptoFiles openCryptoFiles, AttributeProvider fileAttributeProvider, ReadonlyFlag readonlyFlag) {
		super(cleartextPath, pathMapper, linkOptions, symlinks, openCryptoFiles);
		this.fileAttributeProvider = fileAttributeProvider;
		this.readonlyFlag = readonlyFlag;
	}

	@Override
	public String name() {
		return "basic";
	}

	@Override
	public BasicFileAttributes readAttributes() throws IOException {
		return fileAttributeProvider.readAttributes(cleartextPath, BasicFileAttributes.class, linkOptions);
	}

	@Override
	public void setTimes(FileTime lastModifiedTime, FileTime lastAccessTime, FileTime createTime) throws IOException {
		readonlyFlag.assertWritable();
		if (lastModifiedTime != null) {
			getOpenCryptoFile().ifPresent(file -> file.setLastModifiedTime(lastModifiedTime));
		}
		getCiphertextAttributeView(BasicFileAttributeView.class).setTimes(lastModifiedTime, lastAccessTime, createTime);
	}

}