private void _addThrowsElements(Element methodElement, JavaMethod javaMethod) {

    Type[] exceptionTypes = javaMethod.getExceptions();

    DocletTag[] throwsDocletTags = javaMethod.getTagsByName("throws");

    for (Type exceptionType : exceptionTypes) {
      _addThrowsElement(methodElement, exceptionType, throwsDocletTags);
    }
  }
  private void _copyInterface(String parentDir, String srcFile) throws IOException {

    JavaClass javaClass = _getJavaClass(parentDir, srcFile);

    JavaMethod[] methods = javaClass.getMethods();

    Arrays.sort(methods, new JavaMethodComparator());

    StringMaker sm = new StringMaker();

    // Package

    sm.append("package " + javaClass.getPackage() + ";");

    // Imports

    sm.append("[$IMPORTS$]");

    // Class declaration

    sm.append(
        "public class Copy" + javaClass.getName() + " implements " + javaClass.getName() + " {");

    String varName = "_" + TextFormatter.format(javaClass.getName(), TextFormatter.I);

    // Methods

    Set imports = new TreeSet();

    for (int i = 0; i < methods.length; i++) {
      JavaMethod javaMethod = methods[i];

      String methodName = javaMethod.getName();

      if (javaMethod.isPublic()) {
        String returnValueName = javaMethod.getReturns().getValue();

        imports.add(returnValueName);

        sm.append(
            "public "
                + javaMethod.getReturns().getJavaClass().getName()
                + _getDimensions(javaMethod.getReturns())
                + " "
                + methodName
                + "(");

        JavaParameter[] parameters = javaMethod.getParameters();

        for (int j = 0; j < parameters.length; j++) {
          JavaParameter javaParameter = parameters[j];

          sm.append(
              javaParameter.getType().getJavaClass().getName()
                  + _getDimensions(javaParameter.getType())
                  + " "
                  + javaParameter.getName());

          imports.add(javaParameter.getType().getValue());

          if ((j + 1) != parameters.length) {
            sm.append(", ");
          }
        }

        sm.append(")");

        Type[] thrownExceptions = javaMethod.getExceptions();

        Set newExceptions = new LinkedHashSet();

        for (int j = 0; j < thrownExceptions.length; j++) {
          Type thrownException = thrownExceptions[j];

          newExceptions.add(thrownException.getJavaClass().getName());

          imports.add(thrownException.getValue());
        }

        if (newExceptions.size() > 0) {
          sm.append(" throws ");

          Iterator itr = newExceptions.iterator();

          while (itr.hasNext()) {
            sm.append(itr.next());

            if (itr.hasNext()) {
              sm.append(", ");
            }
          }
        }

        sm.append("{");

        if (!returnValueName.equals("void")) {
          sm.append("return ");
        }

        sm.append(varName + "." + methodName + "(");

        for (int j = 0; j < parameters.length; j++) {
          JavaParameter javaParameter = parameters[j];

          sm.append(javaParameter.getName());

          if ((j + 1) != parameters.length) {
            sm.append(", ");
          }
        }

        sm.append(");");
        sm.append("}");
      }
    }

    // Fields

    sm.append("private " + javaClass.getName() + " " + varName + ";");

    // Class close brace

    sm.append("}");

    // Imports

    String content = sm.toString();

    sm = new StringMaker();

    Iterator itr = imports.iterator();

    while (itr.hasNext()) {
      String importClass = (String) itr.next();

      if (!importClass.equals("boolean")
          && !importClass.equals("double")
          && !importClass.equals("int")
          && !importClass.equals("long")
          && !importClass.equals("short")
          && !importClass.equals("void")) {
        sm.append("import " + importClass + ";");
      }
    }

    content = StringUtil.replace(content, "[$IMPORTS$]", sm.toString());

    // Write file

    File file =
        new File(
            parentDir
                + "/"
                + StringUtil.replace(javaClass.getPackage(), ".", "/")
                + "/Copy"
                + javaClass.getName()
                + ".java");

    ServiceBuilder.writeFile(file, content);
  }