/*
 * Copyright 2020 Hippo Seven
 *
 * Licensed 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 WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.hippo.a7zip;

import androidx.annotation.NonNull;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.RandomAccessFile;

public class FileSeekableOutputStream extends SeekableOutputStream {

    private final RandomAccessFile file;

    public FileSeekableOutputStream(String path) throws FileNotFoundException {
        this(new File(path));
    }

    public FileSeekableOutputStream(File file) throws FileNotFoundException {
        this(new RandomAccessFile(file, "rw"));
    }

    public FileSeekableOutputStream(RandomAccessFile file) {
        this.file = file;
    }

    @Override
    public void seek(long pos) throws IOException {
        file.seek(pos);
    }

    @Override
    public long tell() throws IOException {
        return file.getFilePointer();
    }

    @Override
    public long size() throws IOException {
        return file.length();
    }

    @Override
    public void truncate(long size) throws IOException {
        file.setLength(size);
    }

    @Override
    public void write(int b) throws IOException {
        file.write(b);
    }

    @Override
    public void write(@NonNull byte[] b) throws IOException {
        file.write(b);
    }

    @Override
    public void write(@NonNull byte[] b, int off, int len) throws IOException {
        file.write(b, off, len);
    }

    @Override
    public void close() throws IOException {
        file.close();
    }
}