Java处理压缩包
代码源地址：http://sourceforge.net/p/sevenzipjbind/discussion/757964/thread/b64a36fb
支持压缩格式：- 7z, Zip, Tar, Rar, Lzma, Iso, GZip, Cpio, BZIP2, Z, Arj, Lzh, Cab, Chm, Nsis, DEB, RPM, UDF, WIM
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代码如下：
package com.neusoft;import java.io.File;import java.io.FileOutputStream;import java.io.IOException;import java.io.RandomAccessFile;import java.util.logging.Logger;import net.sf.sevenzipjbinding.ExtractAskMode;import net.sf.sevenzipjbinding.ExtractOperationResult;import net.sf.sevenzipjbinding.IArchiveExtractCallback;import net.sf.sevenzipjbinding.ISequentialOutStream;import net.sf.sevenzipjbinding.ISevenZipInArchive;import net.sf.sevenzipjbinding.PropID;import net.sf.sevenzipjbinding.SevenZip;import net.sf.sevenzipjbinding.SevenZipException;import net.sf.sevenzipjbinding.impl.RandomAccessFileInStream;/** * <p>Description: [压缩文件工具包]</p> * @author <a href="mailto: li.bb@xxx.com">李彬彬</a> * @version $Revision$ */public class ZipTools{ private static Logger logger = Logger.getLogger(ZipTools.class.getCanonicalName()); /** * <p>Discription:[将解压文件解压到指定目录下]</p> * @param file 文件全路径 * @param extractPath 解压后文件存往路径 -支持压缩格式: 7Z，ZIP，TAR，RAR，LZMA，ISO，GZIP，BZIP2，CPIO，Z，ARJ，LZH，CAB，CHM，NSIS，DEB，RPM，UDF，WIM * @throws SevenZipException * @throws IOException * @author:[李彬彬] * @update:[日期YYYY-MM-DD] [更改人姓名][变更描述] */ public void extract(String file, String extractPath) throws SevenZipException, IOException { ISevenZipInArchive inArchive = null; RandomAccessFile randomAccessFile = null; try { randomAccessFile = new RandomAccessFile(new File(file), "r"); inArchive = SevenZip.openInArchive(null, new RandomAccessFileInStream(randomAccessFile)); inArchive.extract(null, false, new ExtractCallback(inArchive, extractPath)); } finally { if (inArchive != null) { inArchive.close(); } if (randomAccessFile != null) { randomAccessFile.close(); } } } /** * <p>Description: [提后文件后回调方法]</p> * @author <a href="mailto: li.bb@neusoft.com">李彬彬</a> * @version $Revision$ */ private class ExtractCallback implements IArchiveExtractCallback { private final ISevenZipInArchive inArchive; private final String extractPath; public ExtractCallback(ISevenZipInArchive inArchive, String extractPath) { this.inArchive = inArchive; if (!extractPath.endsWith("/") && !extractPath.endsWith("\")) { extractPath += File.separator; } this.extractPath = extractPath; } @Override public ISequentialOutStream getStream(final int index, ExtractAskMode extractAskMode) throws SevenZipException { return new ISequentialOutStream() { @Override public int write(byte[] data) throws SevenZipException { String filePath = inArchive.getStringProperty(index, PropID.PATH); FileOutputStream fos = null; try { File path = new File(extractPath + filePath); if (!path.getParentFile().exists()) { path.getParentFile().mkdirs(); } if (!path.exists()) { path.createNewFile(); } fos = new FileOutputStream(path, true); fos.write(data); } catch (IOException e) { logger.log(null, "IOException while extracting " + filePath); } finally { try { if (fos != null) { fos.flush(); fos.close(); } } catch (IOException e) { logger.log(null, "Could not close FileOutputStream", e); } } return data.length; } }; } @Override public void setCompleted(long arg0) throws SevenZipException { } @Override public void setTotal(long arg0) throws SevenZipException { } @Override public void prepareOperation(ExtractAskMode arg0) throws SevenZipException { } @Override public void setOperationResult(ExtractOperationResult arg0) throws SevenZipException { } }}?