/*
 * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 *   - Neither the name of Oracle nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */


package com.sun.nio.zipfs;

import java.nio.file.attribute.BasicFileAttributes;
import java.nio.file.attribute.FileTime;
import java.util.Arrays;
import java.util.Formatter;
import static com.sun.nio.zipfs.ZipUtils.*;

/**
 *
 * @author  Xueming Shen, Rajendra Gutupalli,Jaya Hangal
 */

public class ZipFileAttributes implements BasicFileAttributes

{
    private final ZipFileSystem.Entry e;

    ZipFileAttributes(ZipFileSystem.Entry e) {
        this.e = e;
    }

    ///////// basic attributes ///////////
    @Override
    public FileTime creationTime() {
        if (e.ctime != -1)
            return FileTime.fromMillis(e.ctime);
        return null;
    }

    @Override
    public boolean isDirectory() {
        return e.isDir();
    }

    @Override
    public boolean isOther() {
        return false;
    }

    @Override
    public boolean isRegularFile() {
        return !e.isDir();
    }

    @Override
    public FileTime lastAccessTime() {
        if (e.atime != -1)
            return FileTime.fromMillis(e.atime);
        return null;
    }

    @Override
    public FileTime lastModifiedTime() {
        return FileTime.fromMillis(e.mtime);
    }

    @Override
    public long size() {
        return e.size;
    }

    @Override
    public boolean isSymbolicLink() {
        return false;
    }

    @Override
    public Object fileKey() {
        return null;
    }

    ///////// zip entry attributes ///////////
    public long compressedSize() {
        return e.csize;
    }

    public long crc() {
        return e.crc;
    }

    public int method() {
        return e.method;
    }

    public byte[] extra() {
        if (e.extra != null)
            return Arrays.copyOf(e.extra, e.extra.length);
        return null;
    }

    public byte[] comment() {
        if (e.comment != null)
            return Arrays.copyOf(e.comment, e.comment.length);
        return null;
    }

    public String toString() {
        StringBuilder sb = new StringBuilder(1024);
        Formatter fm = new Formatter(sb);
        if (creationTime() != null)
            fm.format("    creationTime    : %tc%n", creationTime().toMillis());
        else
            fm.format("    creationTime    : null%n");

        if (lastAccessTime() != null)
            fm.format("    lastAccessTime  : %tc%n", lastAccessTime().toMillis());
        else
            fm.format("    lastAccessTime  : null%n");
        fm.format("    lastModifiedTime: %tc%n", lastModifiedTime().toMillis());
        fm.format("    isRegularFile   : %b%n", isRegularFile());
        fm.format("    isDirectory     : %b%n", isDirectory());
        fm.format("    isSymbolicLink  : %b%n", isSymbolicLink());
        fm.format("    isOther         : %b%n", isOther());
        fm.format("    fileKey         : %s%n", fileKey());
        fm.format("    size            : %d%n", size());
        fm.format("    compressedSize  : %d%n", compressedSize());
        fm.format("    crc             : %x%n", crc());
        fm.format("    method          : %d%n", method());
        fm.close();
        return sb.toString();
    }
}
