Apache commons compress文件打包、压缩

2018-03-24 01:00:31
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Apache commons compress BZIP2压缩:


import java.io.BufferedInputStream;  
import java.io.BufferedOutputStream;  
import java.io.File;  
import java.io.FileInputStream;  
import java.io.FileOutputStream;  
import java.io.IOException;  
import java.io.InputStream;  
import java.io.OutputStream;  
import org.apache.commons.compress.compressors.gzip.GzipCompressorInputStream;  
import org.apache.commons.compress.compressors.gzip.GzipCompressorOutputStream;  
import org.apache.commons.io.FilenameUtils;  
import org.apache.commons.io.IOUtils;  
public class CommonsBZip2Compress extends Compress {  
    @Override  
    protected void doCompress(File srcFile, File destFile) throws IOException {  
        OutputStream out = null;  
        InputStream is = null;  
        try {  
            is = new BufferedInputStream(new FileInputStream(srcFile), bufferLen);  
            out = new GzipCompressorOutputStream(new BufferedOutputStream(new FileOutputStream(destFile), bufferLen));  
            IOUtils.copy(is, out);  
        } finally {  
            IOUtils.closeQuietly(is);  
            IOUtils.closeQuietly(out);  
        }  
    }  
    @Override  
    protected void doDecompress(File srcFile, File destDir) throws IOException {  
        InputStream is = null;  
        OutputStream os = null;  
        try {  
            File destFile = new File(destDir, FilenameUtils.getBaseName(srcFile.toString()));  
            is = new GzipCompressorInputStream(new BufferedInputStream(new FileInputStream(srcFile), bufferLen));  
            os = new BufferedOutputStream(new FileOutputStream(destFile), bufferLen);  
            IOUtils.copy(is, os);  
        } finally {  
            IOUtils.closeQuietly(is);  
            IOUtils.closeQuietly(os);  
        }  
    }  
}

Apache commons compress GZIP压缩:


import java.io.BufferedInputStream;  
import java.io.BufferedOutputStream;  
import java.io.File;  
import java.io.FileInputStream;  
import java.io.FileOutputStream;  
import java.io.IOException;  
import java.io.InputStream;  
import java.io.OutputStream;  
import org.apache.commons.compress.compressors.bzip2.BZip2CompressorInputStream;  
import org.apache.commons.compress.compressors.bzip2.BZip2CompressorOutputStream;  
import org.apache.commons.io.FilenameUtils;  
import org.apache.commons.io.IOUtils;  
public class CommonsGZIPCompress extends Compress {  
    @Override  
    protected void doCompress(File srcFile, File destFile) throws IOException {  
        OutputStream out = null;  
        InputStream is = null;  
        try {  
            is = new BufferedInputStream(new FileInputStream(srcFile), bufferLen);  
            out = new BZip2CompressorOutputStream(new BufferedOutputStream(new FileOutputStream(destFile), bufferLen));  
            IOUtils.copy(is, out);  
        } finally {  
            IOUtils.closeQuietly(is);  
            IOUtils.closeQuietly(out);  
        }  
    }  
    @Override  
    protected void doDecompress(File srcFile, File destDir) throws IOException {  
        InputStream is = null;  
        OutputStream os = null;  
        try {  
            File destFile = new File(destDir, FilenameUtils.getBaseName(srcFile.toString()));  
            is = new BZip2CompressorInputStream(new BufferedInputStream(new FileInputStream(srcFile), bufferLen));  
            os = new BufferedOutputStream(new FileOutputStream(destFile), bufferLen);  
            IOUtils.copy(is, os);  
        } finally {  
            IOUtils.closeQuietly(is);  
            IOUtils.closeQuietly(os);  
        }  
    }  
}

Apache commons compress ZIP压缩


import java.io.BufferedInputStream;  
import java.io.BufferedOutputStream;  
import java.io.File;  
import java.io.FileInputStream;  
import java.io.FileOutputStream;  
import java.io.IOException;  
import java.io.InputStream;  
import java.io.OutputStream;  
import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;  
import org.apache.commons.compress.archivers.zip.ZipArchiveInputStream;  
import org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream;  
import org.apache.commons.io.IOUtils;  
public class CommonsZipCompress extends Compress {  
    /**用于单文件压缩*/  
    @Override  
    protected void doCompress(File srcFile, File destFile) throws IOException {  
        ZipArchiveOutputStream out = null;  
        InputStream is = null;  
        try {  
            is = new BufferedInputStream(new FileInputStream(srcFile), bufferLen);  
            out = new ZipArchiveOutputStream(new BufferedOutputStream(new FileOutputStream(destFile), bufferLen));  
            ZipArchiveEntry entry = new ZipArchiveEntry(srcFile.getName());  
            entry.setSize(srcFile.length());  
            out.putArchiveEntry(entry);  
            IOUtils.copy(is, out);  
            out.closeArchiveEntry();  
        } finally {  
            IOUtils.closeQuietly(is);  
            IOUtils.closeQuietly(out);  
        }  
    }  
    @Override  
    protected void doDecompress(File srcFile, File destDir) throws IOException {  
        ZipArchiveInputStream is = null;  
        try {  
            is = new ZipArchiveInputStream(new BufferedInputStream(new FileInputStream(srcFile), bufferLen));  
            ZipArchiveEntry entry = null;  
            while ((entry = is.getNextZipEntry()) != null) {  
                if (entry.isDirectory()) {  
                    File directory = new File(destDir, entry.getName());  
                    directory.mkdirs();  
                } else {  
                    OutputStream os = null;  
                    try {  
                        os = new BufferedOutputStream(  
                                new FileOutputStream(new File(destDir, entry.getName())), bufferLen);  
                        IOUtils.copy(is, os);  
                    } finally {  
                        IOUtils.closeQuietly(os);  
                    }  
                }  
            }  
        } finally {  
            IOUtils.closeQuietly(is);  
        }  
    }  
}

Apache commons compress AR打包:


import java.io.BufferedInputStream;  
import java.io.BufferedOutputStream;  
import java.io.File;  
import java.io.FileInputStream;  
import java.io.FileOutputStream;  
import java.io.IOException;  
import java.io.InputStream;  
import org.apache.commons.compress.archivers.ar.ArArchiveEntry;  
import org.apache.commons.compress.archivers.ar.ArArchiveInputStream;  
import org.apache.commons.compress.archivers.ar.ArArchiveOutputStream;  
import org.apache.commons.io.IOUtils;  
public class CommonsArCompress extends Compress {  
    @Override  
    protected void doCompress(File srcFile, File destFile) throws IOException {  
        ArArchiveOutputStream zout = null;  
        InputStream is = null;  
        try {  
            is = new BufferedInputStream(new FileInputStream(srcFile), bufferLen);  
            zout = new ArArchiveOutputStream(new BufferedOutputStream(new FileOutputStream(destFile), bufferLen));  
            zout.putArchiveEntry(new ArArchiveEntry(srcFile, srcFile.getName()));  
            IOUtils.copy(is, zout);  
            zout.closeArchiveEntry();  
        } finally {  
            IOUtils.closeQuietly(is);  
            IOUtils.closeQuietly(zout);  
        }  
    }  
    @Override  
    protected void doDecompress(File srcFile, File destDir) throws IOException {  
        ArArchiveInputStream is = null;  
        try {  
            is = new ArArchiveInputStream(new BufferedInputStream(new FileInputStream(srcFile), bufferLen));  
            ArArchiveEntry entry = null;  
            while ((entry = is.getNextArEntry()) != null) {  
                if (entry.isDirectory()) {  
                    File directory = new File(destDir, entry.getName());  
                    directory.mkdirs();  
                } else {  
                    BufferedOutputStream bos = null;  
                    try {  
                        byte[] buffer = new byte[bufferLen];  
                        bos = new BufferedOutputStream(new FileOutputStream(  
                                new File(destDir, entry.getName())), bufferLen);  
                        int len;  
                        long size = entry.getSize();  
                        while (size > 0) {  
                            if (size < bufferLen) {  
                                len = is.read(buffer, 0, (int) size);  
                                size -= len;  
                            } else {  
                                len = is.read(buffer);  
                                size -= len;  
                            }  
                            bos.write(buffer, 0, len);  
                        }  
                    } finally {  
                        IOUtils.closeQuietly(bos);  
                    }  
                }  
            }  
        } finally {  
            IOUtils.closeQuietly(is);  
        }  
    }  
}

Apache commons compress CPIO打包:


import java.io.BufferedInputStream;  
import java.io.BufferedOutputStream;  
import java.io.File;  
import java.io.FileInputStream;  
import java.io.FileOutputStream;  
import java.io.IOException;  
import java.io.InputStream;  
import org.apache.commons.compress.archivers.cpio.CpioArchiveEntry;  
import org.apache.commons.compress.archivers.cpio.CpioArchiveInputStream;  
import org.apache.commons.compress.archivers.cpio.CpioArchiveOutputStream;  
import org.apache.commons.io.IOUtils;  
public class CommonsCPIOCompress extends Compress {  
    @Override  
    protected void doCompress(File srcFile, File destFile) throws IOException {  
        CpioArchiveOutputStream out = null;  
        InputStream is = null;  
        try {  
            is = new BufferedInputStream(new FileInputStream(srcFile), bufferLen);  
            out = new CpioArchiveOutputStream(new BufferedOutputStream(new FileOutputStream(destFile), bufferLen));  
            out.putArchiveEntry(new CpioArchiveEntry(srcFile, srcFile.getName()));  
            IOUtils.copy(is, out);  
            out.closeArchiveEntry();  
        } finally {  
            IOUtils.closeQuietly(is);  
            IOUtils.closeQuietly(out);  
        }  
    }  
    @Override  
    protected void doDecompress(File srcFile, File destDir) throws IOException {  
        CpioArchiveInputStream is = null;  
        try {  
            is = new CpioArchiveInputStream(new BufferedInputStream(new FileInputStream(srcFile), bufferLen));  
            CpioArchiveEntry entry = null;  
            while ((entry = is.getNextCPIOEntry()) != null) {  
                if (entry.isDirectory()) {  
                    File directory = new File(destDir, entry.getName());  
                    directory.mkdirs();  
                } else {  
                    BufferedOutputStream bos = null;  
                    try {  
                        byte[] buffer = new byte[bufferLen];  
                        bos = new BufferedOutputStream(new FileOutputStream(  
                                new File(destDir, entry.getName())), bufferLen);  
                        int len;  
                        long size = entry.getSize();  
                        while (size > 0) {  
                            if (size < bufferLen) {  
                                len = is.read(buffer, 0, (int) size);  
                                size -= len;  
                            } else {  
                                len = is.read(buffer);  
                                size -= len;  
                            }  
                            bos.write(buffer, 0, len);  
                        }  
                    } finally {  
                        IOUtils.closeQuietly(bos);  
                    }  
                }  
            }  
        } finally {  
            IOUtils.closeQuietly(is);  
        }  
    }  
}

Apache commons compress TAR打包


import java.io.BufferedInputStream;  
import java.io.BufferedOutputStream;  
import java.io.File;  
import java.io.FileInputStream;  
import java.io.FileOutputStream;  
import java.io.IOException;  
import java.io.InputStream;  
import org.apache.commons.compress.archivers.tar.TarArchiveEntry;  
import org.apache.commons.compress.archivers.tar.TarArchiveInputStream;  
import org.apache.commons.compress.archivers.tar.TarArchiveOutputStream;  
import org.apache.commons.io.IOUtils;  
public class CommonsTarCompress extends Compress {  
    @Override  
    protected void doCompress(File srcFile, File destFile) throws IOException {  
        TarArchiveOutputStream out = null;  
        InputStream is = null;  
        try {  
            is = new BufferedInputStream(new FileInputStream(srcFile), bufferLen);  
            out = new TarArchiveOutputStream(new BufferedOutputStream(new FileOutputStream(destFile), bufferLen));  
            TarArchiveEntry entry = new TarArchiveEntry(srcFile.getName());  
            entry.setSize(srcFile.length());  
            out.putArchiveEntry(entry);  
            IOUtils.copy(is, out);  
            out.closeArchiveEntry();  
        } finally {  
            IOUtils.closeQuietly(is);  
            IOUtils.closeQuietly(out);  
        }  
    }  
    @Override  
    protected void doDecompress(File srcFile, File destDir) throws IOException {  
        TarArchiveInputStream is = null;  
        try {  
            is = new TarArchiveInputStream(new BufferedInputStream(new FileInputStream(srcFile), bufferLen));  
            TarArchiveEntry entry = null;  
            while ((entry = is.getNextTarEntry()) != null) {  
                if (entry.isDirectory()) {  
                    File directory = new File(destDir, entry.getName());  
                    directory.mkdirs();  
                } else {  
                    BufferedOutputStream bos = null;  
                    try {  
                        byte[] buffer = new byte[bufferLen];  
                        bos = new BufferedOutputStream(new FileOutputStream(  
                                new File(destDir, entry.getName())), bufferLen);  
                        int len;  
                        long size = entry.getSize();  
                        while (size > 0) {  
                            if (size < bufferLen) {  
                                len = is.read(buffer, 0, (int) size);  
                                size -= len;  
                            } else {  
                                len = is.read(buffer);  
                                size -= len;  
                            }  
                            bos.write(buffer, 0, len);  
                        }  
                    } finally {  
                        IOUtils.closeQuietly(bos);  
                    }  
                }  
            }  
        } finally {  
            IOUtils.closeQuietly(is);  
        }  
    }  
}




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