Exemplo n.º 1
1
    /** Returns true if the two InputStreams differ. */
    private static boolean differs(InputStream oldIS, InputStream newIS) throws IOException {
      int newSize = 0;
      int oldSize;
      int total = 0;
      boolean retVal = false;

      try {
        while (newSize != -1) {
          newSize = newIS.read(newBytes);
          oldSize = oldIS.read(oldBytes);

          if (newSize != oldSize) {
            if (_debug) {
              System.out.println(
                  "\tread sizes differ: " + newSize + " " + oldSize + " total " + total);
            }
            retVal = true;
            break;
          }
          if (newSize > 0) {
            while (--newSize >= 0) {
              total++;
              if (newBytes[newSize] != oldBytes[newSize]) {
                if (_debug) {
                  System.out.println("\tbytes differ at " + total);
                }
                retVal = true;
                break;
              }
              if (retVal) {
                // Jump out
                break;
              }
              newSize = 0;
            }
          }
        }
      } catch (IOException ioE) {
        throw ioE;
      } finally {
        try {
          oldIS.close();
        } catch (IOException e) {
          // Ignore
        }
        try {
          newIS.close();
        } catch (IOException e) {
          // Ignore
        }
      }
      return retVal;
    }
Exemplo n.º 2
0
    /** Returns true if the two InputStreams differ. */
    private static boolean differs(InputStream oldIS, InputStream newIS) throws IOException {
      int newSize = 0;
      int oldSize;
      int total = 0;

      while (newSize != -1) {
        newSize = newIS.read(newBytes);
        oldSize = oldIS.read(oldBytes);

        if (newSize != oldSize) {
          if (_debug) {
            System.out.println(
                "\tread sizes differ: " + newSize + " " + oldSize + " total " + total);
          }
          return true;
        }
        if (newSize > 0) {
          while (--newSize >= 0) {
            total++;
            if (newBytes[newSize] != oldBytes[newSize]) {
              if (_debug) {
                System.out.println("\tbytes differ at " + total);
              }
              return true;
            }
          }
          newSize = 0;
        }
      }
      return false;
    }
Exemplo n.º 3
0
 private void digest(MessageDigest[] algorithms, Resource r) throws Exception {
   InputStream in = r.openInputStream();
   byte[] data = new byte[BUFFER_SIZE];
   int size = in.read(data);
   while (size > 0) {
     for (int a = 0; a < algorithms.length; a++) {
       if (algorithms[a] != null) {
         algorithms[a].update(data, 0, size);
       }
     }
     size = in.read(data);
   }
 }
Exemplo n.º 4
0
 public static int writeStreamTo(
     final InputStream input, final OutputStream output, int bufferSize) throws IOException {
   int available = Math.min(input.available(), 256 * KB);
   byte[] buffer = new byte[Math.max(bufferSize, available)];
   int answer = 0;
   int count = input.read(buffer);
   while (count >= 0) {
     output.write(buffer, 0, count);
     answer += count;
     count = input.read(buffer);
   }
   return answer;
 }
Exemplo n.º 5
0
  private static void writeEntry(JarOutputStream jos, JarEntry entry, InputStream data)
      throws IOException {
    jos.putNextEntry(entry);

    // Read the entry
    int size = data.read(newBytes);

    while (size != -1) {
      jos.write(newBytes, 0, size);
      size = data.read(newBytes);
    }
    data.close();
  }
  /**
   * Puts the uninstaller.
   *
   * @exception Exception Description of the Exception
   */
  private void putUninstaller() throws Exception {
    // Me make the .uninstaller directory
    String dest = translatePath("$INSTALL_PATH") + File.separator + "Uninstaller";
    String jar = dest + File.separator + "uninstaller.jar";
    File pathMaker = new File(dest);
    pathMaker.mkdirs();

    // We log the uninstaller deletion information
    UninstallData udata = UninstallData.getInstance();
    udata.setUninstallerJarFilename(jar);
    udata.setUninstallerPath(dest);

    // We open our final jar file
    FileOutputStream out = new FileOutputStream(jar);
    ZipOutputStream outJar = new ZipOutputStream(out);
    idata.uninstallOutJar = outJar;
    outJar.setLevel(9);
    udata.addFile(jar);

    // We copy the uninstaller
    InputStream in = getClass().getResourceAsStream("/res/IzPack.uninstaller");
    ZipInputStream inRes = new ZipInputStream(in);
    ZipEntry zentry = inRes.getNextEntry();
    while (zentry != null) {
      // Puts a new entry
      outJar.putNextEntry(new ZipEntry(zentry.getName()));

      // Byte to byte copy
      int unc = inRes.read();
      while (unc != -1) {
        outJar.write(unc);
        unc = inRes.read();
      }

      // Next one please
      inRes.closeEntry();
      outJar.closeEntry();
      zentry = inRes.getNextEntry();
    }
    inRes.close();

    // We put the langpack
    in = getClass().getResourceAsStream("/langpacks/" + idata.localeISO3 + ".xml");
    outJar.putNextEntry(new ZipEntry("langpack.xml"));
    int read = in.read();
    while (read != -1) {
      outJar.write(read);
      read = in.read();
    }
    outJar.closeEntry();
  }
 private Class<?> getClassFromStream(
     final InputStream stream, final String classname, final File container)
     throws IOException, SecurityException {
   final ByteArrayOutputStream baos = new ByteArrayOutputStream();
   int bytesRead = -1;
   final byte[] buffer = new byte[8192];
   while ((bytesRead = stream.read(buffer, 0, 8192)) != -1) {
     baos.write(buffer, 0, bytesRead);
   }
   final byte[] classData = baos.toByteArray();
   return this.defineClassFromData(container, classData, classname);
 }
Exemplo n.º 8
0
 void copy(InputStream in, File dest) throws IOException {
   dest.getParentFile().mkdirs();
   OutputStream out = new BufferedOutputStream(new FileOutputStream(dest));
   try {
     byte[] data = new byte[8192];
     int n;
     while ((n = in.read(data, 0, data.length)) > 0) out.write(data, 0, n);
   } finally {
     out.close();
     in.close();
   }
 }
Exemplo n.º 9
0
  private static void writeEntry(JarOutputStream jos, JarEntry entry, InputStream data)
      throws IOException {
    jos.putNextEntry(entry);

    try {
      // Read the entry
      int size = data.read(newBytes);

      while (size != -1) {
        jos.write(newBytes, 0, size);
        size = data.read(newBytes);
      }
    } catch (IOException ioE) {
      throw ioE;
    } finally {
      try {
        data.close();
      } catch (IOException e) {
        // Ignore
      }
    }
  }
Exemplo n.º 10
0
 protected void addRuntimeClasses(JarOutputStream jar) throws IOException {
   ClassLoader cl = Thread.currentThread().getContextClassLoader();
   if (cl == null) {
     cl = getClass().getClassLoader();
   }
   ArrayList<String> runtimeClasses = getRuntimeClasses(cl);
   for (String c : runtimeClasses) {
     jar.putNextEntry(new JarEntry(c));
     InputStream in = cl.getResourceAsStream(c);
     int ch;
     while ((ch = in.read()) != -1) {
       jar.write((char) ch);
     }
     jar.closeEntry();
     in.close();
   }
 }
Exemplo n.º 11
0
 public byte[] getBytes(String className) {
   try {
     Tracer.mark();
     String realName = className.replace(".", "/");
     realName += ".class";
     JarEntry je = jf.getJarEntry(realName);
     InputStream is = jf.getInputStream(je);
     ByteArrayOutputStream baos = new ByteArrayOutputStream();
     byte[] buff = new byte[4096];
     while (is.available() > 0) {
       int read = is.read(buff);
       baos.write(buff, 0, read);
     }
     is.close();
     return baos.toByteArray();
   } catch (Exception e) {
   } finally {
     Tracer.unmark();
   }
   return null;
 }
Exemplo n.º 12
0
 static String getResourceAsString(String path) {
   InputStream is = null;
   ByteArrayOutputStream out = new ByteArrayOutputStream();
   PrintStream outPrint = new PrintStream(out);
   try {
     is = Util.class.getClassLoader().getResourceAsStream(path);
     int content;
     while ((content = is.read()) != -1) {
       // convert to char and display it
       outPrint.print((char) content);
     }
   } catch (IOException e) {
     e.printStackTrace();
   } finally {
     try {
       if (is != null) is.close();
       if (outPrint != null) outPrint.close();
     } catch (IOException ex) {
       ex.printStackTrace();
     }
   }
   return out.toString();
 }
Exemplo n.º 13
0
 /**
  * Copies all bytes from the input stream to the output stream. Does not close or flush either
  * stream.
  *
  * @param from the input stream to read from
  * @param to the output stream to write to
  * @throws IOException if an I/O error occurs
  */
 private void copy(InputStream from, OutputStream to) throws IOException {
   int n;
   while ((n = from.read(copyBuf)) != -1) to.write(copyBuf, 0, n);
 }