Ejemplo n.º 1
1
  public byte[] instrumentClass(java.lang.ClassLoader deferTo, String class_name) {
    if (debug) ; // System.out.println(" getResource <" + class_name +
    // "> <" +
    // deferTo.getResource(resourceNameForClassName(class_name))
    // + ">");

    InputStream s = deferTo.getResourceAsStream(resourceNameForClassName(class_name));
    if (s == null) return null;

    // try to load it
    // here we might cache modification dates

    if (debug) ; // System.out.println(indentation + "#" +
    // (class_name.replace('.', File.separatorChar))
    // + ">");
    BufferedInputStream stream = new BufferedInputStream(s, 80000);
    if (stream == null) return null;
    try {
      byte[] a = new byte[stream.available()];
      stream.read(a);
      if (debug) ; // System.out.println(" about to instrument <"
      // + class_name + "> inside <" + this +
      // "> !! ");
      a = instrumentBytecodes(a, class_name, deferTo);
      return a;

    } catch (IOException e) {
      e.printStackTrace();
    }
    return null;
  }
Ejemplo n.º 2
0
  public byte[] bytesForClass(java.lang.ClassLoader deferTo, String class_name) {

    System.out.println(" bytes for class :" + class_name);

    InputStream s = deferTo.getResourceAsStream(resourceNameForClassName(class_name));
    if (s == null) return null;

    // try to load it
    // here we might cache modification dates

    BufferedInputStream stream = new BufferedInputStream(s, 80000);
    if (stream == null) return null;
    try {
      byte[] a = new byte[stream.available()];
      stream.read(a);
      return a;

    } catch (IOException e) {
      e.printStackTrace();
    }
    return null;
  }
Ejemplo n.º 3
0
  /**
   * Returns a read-only stream for the contents of the resource specified by {@code resName}. The
   * mapping between the resource name and the stream is managed by the class' class loader.
   *
   * @param resName the name of the resource.
   * @return a stream for the requested resource or {@code null} if no resource with the specified
   *     name can be found.
   * @see ClassLoader
   */
  public InputStream getResourceAsStream(String resName) {
    // Get absolute resource name, but without the leading slash
    if (resName.startsWith("/")) {
      resName = resName.substring(1);
    } else {
      String pkg = getName();
      int dot = pkg.lastIndexOf('.');
      if (dot != -1) {
        pkg = pkg.substring(0, dot).replace('.', '/');
      } else {
        pkg = "";
      }

      resName = pkg + "/" + resName;
    }

    // Delegate to proper class loader
    ClassLoader loader = getClassLoader();
    if (loader != null) {
      return loader.getResourceAsStream(resName);
    } else {
      return ClassLoader.getSystemResourceAsStream(resName);
    }
  }
Ejemplo n.º 4
0
 public InputStream getResourceAsStream(String resName) {
   ClassLoader loader = type.getClassLoader();
   if (loader == BootstrapClassLoader.getBootstrapClassLoader())
     return ClassLoader.getSystemResourceAsStream(toResourceName(resName));
   else return loader.getResourceAsStream(toResourceName(resName));
 }