it would be nice to have some description of how the code works and what it does
Computer Science Canada ViewZip.java |
| Author: | alpesh [ Thu Jan 22, 2004 8:24 am ] |
| Post subject: | ViewZip.java |
import java.io.*; import java.util.*; import java.util.zip.*; import java.text.*; class ViewZip { public static void main(String args[]) throws IOException { InputStream in = new BufferedInputStream(new FileInputStream(args[0])); ZipInputStream zin = new ZipInputStream(in); ZipEntry e; System.err.println("Size\t Date Time Method Ratio Name"); System.err.println("----\t ---- ---- ------ ----- ----"); while((e=zin.getNextEntry())!= null) { zin.closeEntry(); print(e); } zin.close(); } public static void print(ZipEntry e) { PrintStream err = System.err; err.print(e.getSize() + "\t"); DateFormat df = new SimpleDateFormat ("yyyy.mm.dd hh:mm:ss"); Date d = new Date(e.getTime()); err.print(df.format(d) + " "); if (e.getMethod() == ZipEntry.DEFLATED) { err.print("deflated "); long size = e.getSize(); if (size > 0) { long csize = e.getCompressedSize(); long ratio = ((size-csize)*100) / size; if (ratio < 10) { err.write(' '); } err.print(ratio + "% "); } else { err.print(" 0% "); } } else { err.println(" (stored 0 %"); } err.println(e.getName()); } } |
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| Author: | Tony [ Thu Jan 22, 2004 9:00 am ] |
| Post subject: | |
it would be nice to have some description of how the code works and what it does |
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