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Apache Commons Compress defines an API for working with compression and archive formats. These include bzip2, gzip, pack200, LZMA, XZ, Snappy, traditional Unix Compress, DEFLATE, DEFLATE64, LZ4, Brotli, Zstandard and ar, cpio, jar, tar, zip, dump, 7z, arj.

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/*
 * 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 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 org.apache.commons.compress.archivers;

import java.io.InputStream;
import java.io.OutputStream;
import java.util.Set;

/**
 * Creates Archive {@link ArchiveInputStream}s and {@link ArchiveOutputStream}s.
 *
 * @since 1.13
 */
public interface ArchiveStreamProvider {

    /**
     * Creates an archive input stream from an archiver name and an input stream.
     *
     * @param           The {@link ArchiveInputStream} type.
     * @param archiverName the archiver name, i.e. {@value org.apache.commons.compress.archivers.ArchiveStreamFactory#AR},
     *                     {@value org.apache.commons.compress.archivers.ArchiveStreamFactory#ARJ},
     *                     {@value org.apache.commons.compress.archivers.ArchiveStreamFactory#ZIP},
     *                     {@value org.apache.commons.compress.archivers.ArchiveStreamFactory#TAR},
     *                     {@value org.apache.commons.compress.archivers.ArchiveStreamFactory#JAR},
     *                     {@value org.apache.commons.compress.archivers.ArchiveStreamFactory#CPIO},
     *                     {@value org.apache.commons.compress.archivers.ArchiveStreamFactory#DUMP} or
     *                     {@value org.apache.commons.compress.archivers.ArchiveStreamFactory#SEVEN_Z}
     * @param inputStream  the input stream
     * @param encoding     encoding name or null for the default
     * @return the archive input stream
     * @throws ArchiveException               if the archiver name is not known
     * @throws StreamingNotSupportedException if the format cannot be read from a stream
     * @throws IllegalArgumentException       if the archiver name or stream is null
     */
    > I createArchiveInputStream(String archiverName, InputStream inputStream, String encoding)
            throws ArchiveException;

    /**
     * Creates an archive output stream from an archiver name and an output stream.
     *
     * @param           The {@link ArchiveInputStream} type.
     * @param archiverName the archiver name, i.e. {@value org.apache.commons.compress.archivers.ArchiveStreamFactory#AR},
     *                     {@value org.apache.commons.compress.archivers.ArchiveStreamFactory#ZIP},
     *                     {@value org.apache.commons.compress.archivers.ArchiveStreamFactory#TAR},
     *                     {@value org.apache.commons.compress.archivers.ArchiveStreamFactory#JAR} or
     *                     {@value org.apache.commons.compress.archivers.ArchiveStreamFactory#CPIO}
     * @param outputStream the output stream
     * @param encoding     encoding name or null for the default
     * @return the archive output stream
     * @throws ArchiveException               if the archiver name is not known
     * @throws StreamingNotSupportedException if the format cannot be written to a stream
     * @throws IllegalArgumentException       if the archiver name or stream is null
     */
    > O createArchiveOutputStream(String archiverName, OutputStream outputStream, String encoding)
            throws ArchiveException;

    /**
     * Gets all the input stream archive names for this provider
     *
     * @return all the input archive names for this provider
     */
    Set getInputStreamArchiveNames();

    /**
     * Gets all the output stream archive names for this provider
     *
     * @return all the output archive names for this provider
     */
    Set getOutputStreamArchiveNames();

}