Compression Tool Class-Ziputils.java

The compression tool class, provides the method which compresses the file, extracts the file.

The source code is as follows: (Click to download-Ziputils.java, Folderutils.java, Ant-1.7.0.jar, Commons-io-2.4.jar, Commons-lang-2.6.jar)

ImportJava.io.BufferedInputStream;ImportJava.io.BufferedOutputStream;ImportJava.io.File;ImportJava.io.FileInputStream;ImportJava.io.FileOutputStream;Importjava.io.IOException;ImportJava.io.InputStream;Importjava.util.Enumeration;Importorg.apache.commons.io.FilenameUtils;Importorg.apache.commons.io.IOUtils;Importorg.apache.commons.lang.ArrayUtils;Importorg.apache.commons.lang.StringUtils;ImportOrg.apache.tools.zip.ZipEntry;ImportOrg.apache.tools.zip.ZipFile;ImportOrg.apache.tools.zip.ZipOutputStream;/*** Compression Tool class **/ Public classZiputils {Private Static FinalString default_charset = "UTF-8"; /*** Compressed Folder * *@paramZipfilename * Name of the file after packaging, including path *@paramSourcefolder * The path of the folder or file that needs to be packaged *@paramZippathname * Package destination folder name, empty means package directly to root*/     Public Static voidZip (string zipfilename, String Sourcefolder, String zippathname)throwsException {Zipoutputstream out=NULL; Try{File ZipFile=NewFile (zipfilename);            Folderutils.mkdirs (Zipfile.getparent ()); out=NewZipoutputstream (ZipFile);            Out.setencoding (Default_charset); if(Stringutils.isnotblank (zippathname)) {Zippathname= Filenameutils.normalizenoendseparator (Zippathname,true) + "/"; } Else{zippathname= "";        } zip (out, sourcefolder, zippathname); } Catch(IOException e) {e.printstacktrace (); Throw NewException (e); } finally{ioutils.closequietly (out); }    }    /*** Compressed Folder * *@paramZipFile * A {@linkjava.lang.String} object. * @paramSource * A {@linkjava.lang.String} object. */     Public Static voidZip (string zipfile, string source)throwsException {File file=NewFile (source); Zip (ZipFile, source, File.isfile ()?StringUtils.EMPTY:file.getName ()); }    /*** Compressed Folder * *@paramZipFile * A {@linkJava.io.File} object. * @paramSource * A {@linkJava.io.File} object. */     Public Static voidZip (file zipfile, file source)throwsException {zip (Zipfile.getabsolutepath (), Source.getabsolutepath ()); }    Private Static voidZip (zipoutputstream zos, string file, String pathName)throwsIOException {File file2zip=Newfile (file); if(File2zip.isfile ()) {Zos.putnextentry (NewZipEntry (PathName +file2zip.getname ())); Ioutils.copy (NewFileInputStream (File2zip.getabsolutepath ()), Zos);            Zos.flush ();        Zos.closeentry (); } Else{file[] files=File2zip.listfiles (); if(Arrayutils.isnotempty (Files)) { for(File f:files) {if(F.isdirectory ()) {Zip (Zos, Filenameutils.normalizenoendseparator (), F.getabsolutepath (),true), Filenameutils.normalizenoendseparator (PathName+ F.getname (),true) + "/"); } Else{zos.putnextentry (NewZipEntry (PathName +f.getname ())); Ioutils.copy (NewFileInputStream (F.getabsolutepath ()), Zos);                        Zos.flush ();                    Zos.closeentry (); }                }            }        }    }    /*** Unzip * *@paramfromzipfile * Zip file path *@paramUnzippath * Decompression Path*/@SuppressWarnings ("Unchecked")     Public Static Final voidUnzip (string fromzipfile, String unzippath)throwsException {fileoutputstream fos=NULL; InputStream is=NULL; String path1=Stringutils.empty; String TempPath=Stringutils.empty; if(!NewFile (Unzippath). Exists ()) {            NewFile (Unzippath). mkdir (); } ZipFile ZipFile=NULL; Try{ZipFile=NewZipFile (Fromzipfile, Default_charset); } Catch(IOException E1) {e1.printstacktrace (); Throw NewException (E1); } File Temp=NewFile (Unzippath); String strpath=Temp.getabsolutepath (); Enumeration<ZipEntry> ENU =zipfile.getentries (); ZipEntry ZipEntry=NULL;  while(Enu.hasmoreelements ()) {ZipEntry=(ZipEntry) enu.nextelement (); Path1=Zipentry.getname (); if(Zipentry.isdirectory ()) {TempPath= Filenameutils.normalizenoendseparator (strpath + file.separator + path1,true); File dir=NewFile (TempPath);                Dir.mkdirs (); Continue; } Else{Bufferedinputstream bis=NULL; Bufferedoutputstream Bos=NULL; Try{ is=Zipfile.getinputstream (ZipEntry); Bis=NewBufferedinputstream (IS); Path1=Zipentry.getname (); TempPath= Filenameutils.normalizenoendseparator (strpath + file.separator + path1,true); Folderutils.mkdirs (NewFile (TempPath). GetParent ()); FOS=NewFileOutputStream (TempPath); Bos=NewBufferedoutputstream (FOS);                Ioutils.copy (bis, BOS); } Catch(IOException e) {e.printstacktrace (); Throw NewException (e); } finally{ioutils.closequietly (bis);                    ioutils.closequietly (BOS);                    Ioutils.closequietly (IS);                ioutils.closequietly (FOS); }            }        }    }}

Compression Tool Class-Ziputils.java