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Hutool是一个小而全的Java工具类库,通过静态方法封装,降低相关API的学习成本,提高工作效率,使Java拥有函数式语言般的优雅,让Java语言也可以“甜甜的”。

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package cn.hutool.extra.compress;

import cn.hutool.core.io.IoUtil;
import cn.hutool.core.util.StrUtil;
import cn.hutool.extra.compress.archiver.Archiver;
import cn.hutool.extra.compress.archiver.SevenZArchiver;
import cn.hutool.extra.compress.archiver.StreamArchiver;
import cn.hutool.extra.compress.extractor.Extractor;
import cn.hutool.extra.compress.extractor.SevenZExtractor;
import cn.hutool.extra.compress.extractor.StreamExtractor;
import org.apache.commons.compress.archivers.ArchiveStreamFactory;
import org.apache.commons.compress.archivers.StreamingNotSupportedException;
import org.apache.commons.compress.compressors.CompressorException;
import org.apache.commons.compress.compressors.CompressorInputStream;
import org.apache.commons.compress.compressors.CompressorOutputStream;
import org.apache.commons.compress.compressors.CompressorStreamFactory;

import java.io.File;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.charset.Charset;

/**
 * 压缩工具类
* 基于commons-compress的压缩解压封装 * * @author looly * @since 5.5.0 */ public class CompressUtil { /** * 获取压缩输出流,用于压缩指定内容,支持的格式例如: *
    *
  • {@value CompressorStreamFactory#GZIP}
  • *
  • {@value CompressorStreamFactory#BZIP2}
  • *
  • {@value CompressorStreamFactory#XZ}
  • *
  • {@value CompressorStreamFactory#PACK200}
  • *
  • {@value CompressorStreamFactory#SNAPPY_FRAMED}
  • *
  • {@value CompressorStreamFactory#LZ4_BLOCK}
  • *
  • {@value CompressorStreamFactory#LZ4_FRAMED}
  • *
  • {@value CompressorStreamFactory#ZSTANDARD}
  • *
  • {@value CompressorStreamFactory#DEFLATE}
  • *
* * @param compressorName 压缩名称,见:{@link CompressorStreamFactory} * @param out 输出流,可以输出到内存、网络或文件 * @return {@link CompressorOutputStream} */ public static CompressorOutputStream getOut(String compressorName, OutputStream out) { try { return new CompressorStreamFactory().createCompressorOutputStream(compressorName, out); } catch (CompressorException e) { throw new CompressException(e); } } /** * 获取压缩输入流,用于解压缩指定内容,支持的格式例如: *
    *
  • {@value CompressorStreamFactory#GZIP}
  • *
  • {@value CompressorStreamFactory#BZIP2}
  • *
  • {@value CompressorStreamFactory#XZ}
  • *
  • {@value CompressorStreamFactory#PACK200}
  • *
  • {@value CompressorStreamFactory#SNAPPY_FRAMED}
  • *
  • {@value CompressorStreamFactory#LZ4_BLOCK}
  • *
  • {@value CompressorStreamFactory#LZ4_FRAMED}
  • *
  • {@value CompressorStreamFactory#ZSTANDARD}
  • *
  • {@value CompressorStreamFactory#DEFLATE}
  • *
* * @param compressorName 压缩名称,见:{@link CompressorStreamFactory},null表示自动检测 * @param in 输出流,可以输出到内存、网络或文件 * @return {@link CompressorOutputStream} */ public static CompressorInputStream getIn(String compressorName, InputStream in) { in = IoUtil.toMarkSupportStream(in); try { if(StrUtil.isBlank(compressorName)){ compressorName = CompressorStreamFactory.detect(in); } return new CompressorStreamFactory().createCompressorInputStream(compressorName, in); } catch (CompressorException e) { throw new CompressException(e); } } /** * 创建归档器,支持: *
    *
  • {@link ArchiveStreamFactory#AR}
  • *
  • {@link ArchiveStreamFactory#CPIO}
  • *
  • {@link ArchiveStreamFactory#JAR}
  • *
  • {@link ArchiveStreamFactory#TAR}
  • *
  • {@link ArchiveStreamFactory#ZIP}
  • *
  • {@link ArchiveStreamFactory#SEVEN_Z}
  • *
* * @param charset 编码 * @param archiverName 归档类型名称,见{@link ArchiveStreamFactory} * @param file 归档输出的文件 * @return Archiver */ public static Archiver createArchiver(Charset charset, String archiverName, File file) { if (ArchiveStreamFactory.SEVEN_Z.equalsIgnoreCase(archiverName)) { return new SevenZArchiver(file); } return StreamArchiver.create(charset, archiverName, file); } /** * 创建归档器,支持: *
    *
  • {@link ArchiveStreamFactory#AR}
  • *
  • {@link ArchiveStreamFactory#CPIO}
  • *
  • {@link ArchiveStreamFactory#JAR}
  • *
  • {@link ArchiveStreamFactory#TAR}
  • *
  • {@link ArchiveStreamFactory#ZIP}
  • *
  • {@link ArchiveStreamFactory#SEVEN_Z}
  • *
* * @param charset 编码 * @param archiverName 归档类型名称,见{@link ArchiveStreamFactory} * @param out 归档输出的流 * @return Archiver */ public static Archiver createArchiver(Charset charset, String archiverName, OutputStream out) { if (ArchiveStreamFactory.SEVEN_Z.equalsIgnoreCase(archiverName)) { return new SevenZArchiver(out); } return StreamArchiver.create(charset, archiverName, out); } /** * 创建归档解包器,支持: *
    *
  • {@link ArchiveStreamFactory#AR}
  • *
  • {@link ArchiveStreamFactory#CPIO}
  • *
  • {@link ArchiveStreamFactory#JAR}
  • *
  • {@link ArchiveStreamFactory#TAR}
  • *
  • {@link ArchiveStreamFactory#ZIP}
  • *
  • {@link ArchiveStreamFactory#SEVEN_Z}
  • *
* * @param charset 编码,7z格式此参数无效 * @param file 归档文件 * @return {@link Extractor} */ public static Extractor createExtractor(Charset charset, File file) { return createExtractor(charset, null, file); } /** * 创建归档解包器,支持: *
    *
  • {@link ArchiveStreamFactory#AR}
  • *
  • {@link ArchiveStreamFactory#CPIO}
  • *
  • {@link ArchiveStreamFactory#JAR}
  • *
  • {@link ArchiveStreamFactory#TAR}
  • *
  • {@link ArchiveStreamFactory#ZIP}
  • *
  • {@link ArchiveStreamFactory#SEVEN_Z}
  • *
* * @param charset 编码,7z格式此参数无效 * @param archiverName 归档类型名称,见{@link ArchiveStreamFactory},null表示自动识别 * @param file 归档文件 * @return {@link Extractor} */ public static Extractor createExtractor(Charset charset, String archiverName, File file) { if (ArchiveStreamFactory.SEVEN_Z.equalsIgnoreCase(archiverName)) { return new SevenZExtractor(file); } try { return new StreamExtractor(charset, archiverName, file); } catch (CompressException e) { final Throwable cause = e.getCause(); if (cause instanceof StreamingNotSupportedException && cause.getMessage().contains("7z")) { return new SevenZExtractor(file); } throw e; } } /** * 创建归档解包器,支持: *
    *
  • {@link ArchiveStreamFactory#AR}
  • *
  • {@link ArchiveStreamFactory#CPIO}
  • *
  • {@link ArchiveStreamFactory#JAR}
  • *
  • {@link ArchiveStreamFactory#TAR}
  • *
  • {@link ArchiveStreamFactory#ZIP}
  • *
  • {@link ArchiveStreamFactory#SEVEN_Z}
  • *
* * @param charset 编码,7z格式此参数无效 * @param in 归档输入的流 * @return {@link Extractor} */ public static Extractor createExtractor(Charset charset, InputStream in) { return createExtractor(charset, null, in); } /** * 创建归档解包器,支持: *
    *
  • {@link ArchiveStreamFactory#AR}
  • *
  • {@link ArchiveStreamFactory#CPIO}
  • *
  • {@link ArchiveStreamFactory#JAR}
  • *
  • {@link ArchiveStreamFactory#TAR}
  • *
  • {@link ArchiveStreamFactory#ZIP}
  • *
  • {@link ArchiveStreamFactory#SEVEN_Z}
  • *
* * @param charset 编码,7z格式此参数无效 * @param archiverName 归档类型名称,见{@link ArchiveStreamFactory},null表示自动识别 * @param in 归档输入的流 * @return {@link Extractor} */ public static Extractor createExtractor(Charset charset, String archiverName, InputStream in) { if (ArchiveStreamFactory.SEVEN_Z.equalsIgnoreCase(archiverName)) { return new SevenZExtractor(in); } try { return new StreamExtractor(charset, archiverName, in); } catch (CompressException e) { final Throwable cause = e.getCause(); if (cause instanceof StreamingNotSupportedException && cause.getMessage().contains("7z")) { return new SevenZExtractor(in); } throw e; } } }




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