Java压缩类库的使用-4.Apache commons compress中的打包、压缩类库

　　inkfish原创，请勿商业性质转载，转载请注明来源（http://blog.csdn.net/inkfish）。

Apache commons compress BZIP2压缩：（来源：http://blog.csdn.net/inkfish）

package study.inkfish.compress;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 {@Overrideprotected 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);}}@Overrideprotected 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：（来源：http://blog.csdn.net/inkfish）

package study.inkfish.compress;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 {@Overrideprotected 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);}}@Overrideprotected 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：（来源：http://blog.csdn.net/inkfish）

package study.inkfish.compress;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*/@Overrideprotected 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);}}@Overrideprotected 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：（来源：http://blog.csdn.net/inkfish）

package study.inkfish.compress;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 {@Overrideprotected 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);}}@Overrideprotected 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：（来源：http://blog.csdn.net/inkfish）

package study.inkfish.compress;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 {@Overrideprotected 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);}}@Overrideprotected 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：（来源：http://blog.csdn.net/inkfish）

package study.inkfish.compress;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 {@Overrideprotected 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);}}@Overrideprotected 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);}}}

　　注：org.apache.commons.io包为Apache common io，项目首页：http://commons.apache.org/io/，提供了IO操作的很多方便的方法，基于Apache 2.0 License，可用于商业用途。（来源：http://blog.csdn.net/inkfish）