package SevenZip; import SevenZip.Archive.SevenZip.Handler; import SevenZip.Archive.SevenZipEntry; import SevenZip.Archive.IArchiveExtractCallback; import SevenZip.Archive.IInArchive; import java.io.IOException; import java.text.DateFormat; import java.util.Vector; public class J7zip { static void PrintHelp() { System.out.println( "\nUsage: JZip <l|t|x> <archive_name> [<file_names>...]\n" + " l : Lists files\n" + " t : Tests archive.7z\n" + " x : eXtracts files\n"); } static void listing(IInArchive archive,Vector listOfNames,boolean techMode) { if (!techMode) { System.out.println(" Date Time Attr Size Compressed Name"); System.out.println("-------------- ----- ------------ ------------ ------------"); } long size = 0; long packSize = 0; long nbFiles = 0; for(int i = 0; i < archive.size() ; i++) { SevenZipEntry item = archive.getEntry(i); DateFormat formatter = DateFormat.getDateTimeInstance(DateFormat.SHORT , DateFormat.SHORT ); String str_tm = formatter.format(new java.util.Date(item.getTime())); if (listOfNames.contains(item.getName())) { if (techMode) { System.out.println("Path = " + item.getName()); System.out.println("Size = " + item.getSize()); System.out.println("Packed Size = " + item.getCompressedSize()); System.out.println("Modified = " + str_tm); System.out.println(" Attributes : " + item.getAttributesString()); long crc = item.getCrc(); if (crc != -1) System.out.println("CRC = " + Long.toHexString(crc).toUpperCase()); else System.out.println("CRC ="); System.out.println("Method = " + item.getMethods() ); System.out.println("" ); } else { System.out.print(str_tm + " " + item.getAttributesString()); System.out.print(item.getSize()); System.out.print(item.getCompressedSize()); System.out.println(" " + item.getName()); } size += item.getSize(); packSize += item.getCompressedSize(); nbFiles ++; } } if (!techMode) { System.out.println("-------------- ----- ------------ ------------ ------------"); System.out.print(" " + size + packSize + " " + nbFiles); } } static void testOrExtract(IInArchive archive, Vector listOfNames,int mode) throws Exception { ArchiveExtractCallback extractCallbackSpec = new ArchiveExtractCallback(); IArchiveExtractCallback extractCallback = extractCallbackSpec; extractCallbackSpec.Init(archive); extractCallbackSpec.PasswordIsDefined = false; try { int len = 0; int arrays [] = null; if (listOfNames.size() >= 1) { arrays = new int[listOfNames.size()]; for(int i = 0 ; i < archive.size() ; i++) { if (listOfNames.contains(archive.getEntry(i).getName())) { arrays[len++] = i; } } } if (len == 0) { archive.Extract(null, -1, mode , extractCallback); } else { archive.Extract(arrays, len, mode, extractCallback); } if (extractCallbackSpec.NumErrors == 0) System.out.println("Ok Done"); else System.out.println(" " + extractCallbackSpec.NumErrors + " errors"); } catch (IOException e) { System.out.println("IO error : " + e.getLocalizedMessage()); } } public static void main(String[] args) throws Exception { System.out.println("\nJ7zip 4.43 ALPHA 2 (" + Runtime.getRuntime().availableProcessors() + " CPUs)"); if (args.length < 2) { PrintHelp(); return ; } final int MODE_LISTING = 0; final int MODE_TESTING = 1; final int MODE_EXTRACT = 2; int mode = -1; Vector listOfNames = new Vector(); for (int i = 2;i < args.length ; i++) listOfNames.add(args[i]); if (args[0].equals("l")) { mode = MODE_LISTING; } else if (args[0].equals("t")) { mode = MODE_TESTING; } else if (args[0].equals("x")) { mode = MODE_EXTRACT; } else { PrintHelp(); return ; } String filename = args[1]; MyRandomAccessFile istream = new MyRandomAccessFile(filename,"r"); IInArchive archive = new Handler(istream); switch(mode) { case MODE_LISTING: listing(archive,listOfNames,false); break; case MODE_TESTING: testOrExtract(archive,listOfNames,IInArchive.NExtract_NAskMode_kTest); break; case MODE_EXTRACT: testOrExtract(archive,listOfNames,IInArchive.NExtract_NAskMode_kExtract); break; } archive.close(); } }