athrunwang

纪元
数据加载中……
用org.apache.tools.zip压缩/解压缩zip文件
写了一个用org.apache.tools.zip压缩/解压缩zip文件的例子,用来解决中文乱码问题。代码如下：
Java代码  收藏代码
  1. package org.coolyongzi;  
  2.   
  3. import java.io.File;  
  4. import java.io.FileInputStream;  
  5. import java.io.FileOutputStream;  
  6. import java.io.InputStream;  
  7. import org.apache.tools.zip.ZipEntry;  
  8. import org.apache.tools.zip.ZipFile;  
  9. import org.apache.tools.zip.ZipOutputStream;  
  10. import java.io.IOException;  
  11. import java.util.Enumeration;  
  12. import org.apache.log4j.LogManager;  
  13. import org.apache.log4j.Logger;  
  14.   
  15.   
  16. public class ZipTools {  
  17.     public static final Logger logger = LogManager.getLogger(FileTools.class);  
  18.     public ZipTools()  
  19.     {  
  20.           
  21.     }  
  22.     /* 
  23.      * @description:Compressed files or folders 
  24.      * @param compressedFilePath String,zipFileRootPath String,zipFileName String 
  25.      * @return boolean 
  26.      */  
  27.     public static boolean compressFloderChangeToZip(String compressedFilePath,String zipFileRootPath,String zipFileName)   
  28.     throws IOException  
  29.     {  
  30.         File compressedFile = new File(compressedFilePath);  
  31.         if("".equalsIgnoreCase(zipFileName))  
  32.         {  
  33.             zipFileName = StringTools.getShortFileNameFromFilePath(compressedFilePath);  
  34.         }  
  35.         if(!StringTools.conversionSpecialCharacters(zipFileRootPath).endsWith(File.separator))  
  36.         {  
  37.             zipFileRootPath = zipFileRootPath + File.separator;  
  38.         }  
  39.         ZipOutputStream zipOutputStream = new ZipOutputStream(new FileOutputStream(zipFileRootPath + zipFileName));  
  40.         String base ="";  
  41.         logger.debug("compress [" + compressedFilePath + "] start!");  
  42.         boolean result = ZipTools.compressFloderChangeToZip(compressedFile,zipOutputStream,base);  
  43.         logger.debug("compress [" + compressedFilePath + "] end!");  
  44.         zipOutputStream.close();  
  45.         return result;  
  46.           
  47.     }  
  48.       
  49.     private static  boolean compressFloderChangeToZip(File compressedFile,ZipOutputStream zipOutputStream,String base)   
  50.     throws IOException  
  51.     {  
  52.         FileInputStream fileInputStream = null;  
  53.           
  54.         try{  
  55.             if(compressedFile.isDirectory())  
  56.             {  
  57.                 File[] childrenCompressedFileList = compressedFile.listFiles();  
  58.                 base = base.length() == 0 ? "" : base + File.separator;  
  59.                 for (int i = 0; i < childrenCompressedFileList.length; i++) {  
  60.                     ZipTools.compressFloderChangeToZip(childrenCompressedFileList[i],  
  61.                     zipOutputStream,base+childrenCompressedFileList[i].getName());  
  62.                 }  
  63.             }  
  64.             else  
  65.             {  
  66.                 if("".equalsIgnoreCase(base))  
  67.                 {  
  68.                     base = compressedFile.getName();  
  69.                 }  
  70.                 zipOutputStream.putNextEntry(new ZipEntry(base));  
  71.                 fileInputStream = new FileInputStream(compressedFile);  
  72.                 int b;  
  73.                 while((b=fileInputStream.read())!=-1)  
  74.                 {  
  75.                     zipOutputStream.write(b);  
  76.                 }  
  77.                 fileInputStream.close();  
  78.             }  
  79.             return true;  
  80.         }catch(Exception e)  
  81.         {  
  82.             e.getStackTrace();  
  83.             logger.error(e.getMessage());  
  84.             return false;  
  85.         }  
  86.     }  
  87.     /* 
  88.      * @param:zipFilePath String,releasePath String 
  89.      * @return void 
  90.      * @description:Decompress A File 
  91.      */  
  92.     @SuppressWarnings("unchecked")  
  93.     public static void decompressFile(String zipFilePath,String releasePath) throws IOException  
  94.     {  
  95.         ZipFile zipFile = new ZipFile(zipFilePath);  
  96.         Enumeration<ZipEntry> enumeration = zipFile.getEntries();  
  97.         InputStream inputStream = null;  
  98.         FileOutputStream fileOutputStream = null;  
  99.         ZipEntry zipEntry = null;  
  100.         String zipEntryNameStr ="";  
  101.         String[] zipEntryNameArray = null;  
  102.         while (enumeration.hasMoreElements()) {  
  103.             zipEntry = enumeration.nextElement();  
  104.             zipEntryNameStr = zipEntry.getName();  
  105.             zipEntryNameArray = zipEntryNameStr.split("/");  
  106.             String path = releasePath;  
  107.             File root = new File(releasePath);  
  108.             if(!root.exists())  
  109.             {  
  110.                 root.mkdir();  
  111.             }  
  112.             for (int i = 0; i < zipEntryNameArray.length; i++) {  
  113.                 if(i<zipEntryNameArray.length-1)  
  114.                 {  
  115.                     path = path + File.separator+zipEntryNameArray[i];        
  116.                     new File(StringTools.conversionSpecialCharacters(path)).mkdir();  
  117.                 }                 
  118.                 else  
  119.                 {  
  120.                     if(StringTools.conversionSpecialCharacters(zipEntryNameStr).endsWith(File.separator))  
  121.                     {  
  122.                         new File(releasePath + zipEntryNameStr).mkdir();  
  123.                     }  
  124.                     else  
  125.                     {  
  126.                         inputStream = zipFile.getInputStream(zipEntry);  
  127.                         fileOutputStream = new FileOutputStream(new File(  
  128.                                 StringTools.conversionSpecialCharacters(releasePath + zipEntryNameStr)));     
  129.                         byte[] buf = new byte[1024];  
  130.                         int len;  
  131.                         while ((len = inputStream.read(buf)) > 0)  
  132.                         {  
  133.                             fileOutputStream.write(buf, 0, len);  
  134.                         }  
  135.                         inputStream.close();  
  136.                         fileOutputStream.close();  
  137.                     }  
  138.                 }  
  139.             }  
  140.         }  
  141.         zipFile.close();  
  142.     }  
  143. }  

junit测试类
Java代码  收藏代码
  1. package org.coolyongzi.testcase;  
  2.   
  3. import java.io.IOException;  
  4.   
  5. import org.coolyongzi.ZipTools;  
  6.   
  7. import junit.framework.TestCase;  
  8.   
  9. public class ZipToolsTest extends TestCase {  
  10.   
  11.     protected void setUp() throws Exception {  
  12.         super.setUp();  
  13.     }  
  14.   
  15.     protected void tearDown() throws Exception {  
  16.         super.tearDown();  
  17.     }  
  18.   
  19.     public void testCompressFloderChangeToZip(){  
  20.         try {  
  21.             ZipTools.compressFloderChangeToZip("f:/iDocumentBanner2.gif", "f:", "test.zip");  
  22.         } catch (IOException e) {  
  23.             // TODO Auto-generated catch block  
  24.             e.printStackTrace();  
  25.         }  
  26.     }  
  27.       
  28.     public void testDecompressFile(){  
  29.         try {  
  30.             ZipTools.decompressFile("f:/java对解压Zip格式的文件.zip","f:/test/");  
  31.         } catch (IOException e) {  
  32.             // TODO Auto-generated catch block  
  33.             e.printStackTrace();  
  34.             System.out.println(e.getMessage());  
  35.         }  
  36.     }  
  37. }

posted on 2012-01-03 17:32 AthrunWang 阅读(5267) 评论(0)  编辑  收藏


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