Пример #1
0
  public static String declarationToDescriptor(String decl) {
    int leftParen = decl.indexOf('(');
    int rightParen = decl.indexOf(')');
    if (leftParen == -1 || rightParen == -1) {
      throw new IllegalArgumentException();
    }

    StringBuilder buf = new StringBuilder();
    String descriptor;

    buf.append('(');
    String args = decl.substring(leftParen + 1, rightParen);
    StringTokenizer st = new StringTokenizer(args, ",");
    while (st.hasMoreTokens()) {
      String arg = st.nextToken().trim();
      descriptor = primitives.get(arg);
      if (arg.length() == 0) {
        throw new IllegalArgumentException();
      }
      if (descriptor == null) {
        descriptor = objectOrArrayType(arg);
      }
      buf.append(descriptor);
    }
    buf.append(')');

    String returnType = decl.substring(0, leftParen).trim();
    descriptor = primitives.get(returnType);
    if (returnType.length() == 0) {
      throw new IllegalArgumentException();
    }
    if (descriptor == null) {
      descriptor = objectOrArrayType(returnType);
    }
    buf.append(descriptor);
    return buf.toString();
  }
Пример #2
0
 public static String getJavaType(String desc) {
   int arrIndex = desc.lastIndexOf("[") + 1;
   desc = desc.substring(arrIndex);
   if (desc.startsWith("L")) {
     desc = desc.substring(1, desc.length() - 1).replace('/', '.');
   } else {
     for (Map.Entry<String, String> entry : primitives.entrySet()) {
       if (entry.getValue().equals(desc)) {
         desc = entry.getKey();
         break;
       }
     }
   }
   StringBuilder sb = new StringBuilder(desc);
   for (int i = 0; i < arrIndex; i++) {
     sb.append("[]");
   }
   return sb.toString();
 }
Пример #3
0
 public static String objectOrArrayType(String type) {
   StringBuilder buf = new StringBuilder();
   int index = 0;
   while ((index = type.indexOf("[]", index) + 1) > 0) {
     buf.append('[');
   }
   String t = type.substring(0, type.length() - buf.length() * 2);
   String desc = primitives.get(t);
   if (desc != null) {
     buf.append(desc);
   } else {
     buf.append('L');
     if (t.indexOf('.') < 0) {
       buf.append(t);
     } else {
       buf.append(t.replace('.', '/'));
     }
     buf.append(';');
   }
   return buf.toString();
 }