/**
   * Parses annotation instances from the javadoc annotation instance type
   *
   * @param annotationDocs Annotations decorated on some type
   * @return Serializable representation of annotations
   */
  protected static AnnotationInstance[] ParseAnnotationInstances(
      AnnotationDesc[] annotationDocs, String origin) {
    AnnotationInstance[] annotations = null;

    if (annotationDocs != null && annotationDocs.length > 0) {
      ArrayList<AnnotationInstance> list = new ArrayList<AnnotationInstance>();

      for (AnnotationDesc annot : annotationDocs) {
        AnnotationInstance instance = new AnnotationInstance();

        AnnotationTypeDoc annotTypeInfo = null;
        try {
          annotTypeInfo = annot.annotationType();
          instance.name = annot.annotationType().name();
          instance.qualifiedName = annot.annotationType().qualifiedTypeName();

        } catch (ClassCastException castException) {
          log.error("Unable to obtain type data about an annotation found on: " + origin);
          log.error("Add to the -cp parameter the class/jar that defines this annotation.");
          instance.name = null;
          instance.qualifiedName = null;
        }

        AnnotationDesc.ElementValuePair[] arguments = annot.elementValues();
        if (arguments != null && arguments.length > 0) {
          ArrayList<AnnotationArgument> argumentList = new ArrayList<AnnotationArgument>();

          for (AnnotationDesc.ElementValuePair pair : arguments) {
            AnnotationArgument annotationArgument = new AnnotationArgument();
            annotationArgument.name = pair.element().name();

            Type annotationArgumentType = pair.element().returnType();
            annotationArgument.type = annotationArgumentType.qualifiedTypeName();
            annotationArgument.isPrimitive = annotationArgumentType.isPrimitive();
            annotationArgument.isArray = annotationArgumentType.dimension().length() > 0;

            Object objValue = pair.value().value();
            if (objValue instanceof AnnotationValue[]) {
              AnnotationValue[] realValues = (AnnotationValue[]) objValue;
              String[] values = new String[realValues.length];

              for (int i = 0; i < realValues.length; i++) {
                values[i] = realValues[i].value().toString();
              }
              annotationArgument.value = values;
            } else if (objValue instanceof Number) {
              Number number = (Number) objValue;
              annotationArgument.value = new String[] {number.toString()};
            } else if (objValue instanceof Character) {
              Character character = (Character) objValue;
              annotationArgument.value = new String[] {character.toString()};
            } else if (objValue instanceof Boolean) {
              Boolean booleanValue = (Boolean) objValue;
              annotationArgument.value = new String[] {booleanValue.toString()};
            } else if (objValue instanceof String) {
              String stringValue = (String) objValue;
              annotationArgument.value = new String[] {stringValue};
            } else if (objValue instanceof FieldDoc) {
              FieldDoc field = (FieldDoc) objValue;
              annotationArgument.value = new String[] {field.name()};
            } else if (objValue instanceof ClassDoc) {
              ClassDoc classDoc = (ClassDoc) objValue;
              annotationArgument.value = new String[] {classDoc.qualifiedTypeName()};
            }
            argumentList.add(annotationArgument);
          }

          instance.arguments = argumentList.toArray(new AnnotationArgument[] {});
        }

        list.add(instance);
      }

      annotations = list.toArray(new AnnotationInstance[] {});
    }

    return annotations;
  }