src/org/ibex/core/OptimizeCore.java

   1 package org.ibex.core;
   2 import org.ibex.classgen.*;
   3 import java.io.*;
   4 import java.util.*;
   5 import java.util.zip.*;
   6
   7 public class OptimizeCore {
   8     public static void main(String[] s) throws Exception {
   9         File outf = new File(s[0] + "-");
  10         File inf = new File(s[0]);
  11         ZipOutputStream out = new ZipOutputStream(new FileOutputStream(outf));
  12         ZipInputStream zis = new ZipInputStream(new FileInputStream(inf));
  13         for(;;) {
  14             ZipEntry ze = zis.getNextEntry();
  15             if (ze==null) break;
  16             out.putNextEntry(ze);
  17             String name = ze.getName();
  18             if (!name.endsWith(".class")) {
  19                 byte b[] = new byte[1024];
  20                 for(;;) {
  21                     int numread = zis.read(b, 0, b.length);
  22                     if (numread==-1) break;
  23                     out.write(b, 0, numread);
  24                 }
  25                 continue;
  26             }
  27             System.out.println("updating " + name.substring(0, name.length()-6).replace('$','.').replace('/','.'));
  28             ClassFile cf = new ClassFile(new DataInputStream(zis));
  29             cf.dump(out);
  30         }
  31         out.close();
  32         outf.renameTo(inf);
  33     }
  34 }