public static boolean isConvertable()

in modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/DataConverter.java [65:157]
56 lines of code
29 McCabe index (conditional complexity)

    public static boolean isConvertable(Object obj, Class dest) {
        Class src = null;

        if (obj != null) {
            if (obj instanceof Class) {
                src = (Class)obj;
            } else {
                src = obj.getClass();
            }
        }

        if (dest == null) {
            return false;
        }

        if (src == null) {
            return true;
        }

        // If we're directly assignable, we're good.
        if (dest.isAssignableFrom(src)) {
            return true;
        }

        // If it's a wrapping conversion, we're good.
        if (getWrapperClass(src) == dest) {
            return true;
        }
        if (getWrapperClass(dest) == src) {
            return true;
        }

        // If it's List -> Array or vice versa, we're good.
        if ((Collection.class.isAssignableFrom(src) || src.isArray()) && (Collection.class.isAssignableFrom(dest) || dest
            .isArray())) {

            // TODO this should consider the component types instead of returning true.
            return true;
        }

        // Allow mapping of HashMaps to Hashtables
        if (src == HashMap.class && dest == Hashtable.class)
            return true;

        // Allow mapping of Calendar to Date
        if (Calendar.class.isAssignableFrom(src) && dest == Date.class) {
            return true;
        }

        if (src.isPrimitive()) {
            return isConvertable(getWrapperClass(src), dest);
        }

        if (InputStream.class.isAssignableFrom(src) && dest == byte[].class) {
            return true;
        }

        if (Source.class.isAssignableFrom(src) && dest == byte[].class) {
            return true;
        }

        if (DataHandler.class.isAssignableFrom(src) && isConvertable(byte[].class, dest)) {
            return true;
        }

        if (DataHandler.class.isAssignableFrom(src) && dest == Image.class) {
            return true;
        }

        if (DataHandler.class.isAssignableFrom(src) && dest == Source.class) {
            return true;
        }

        if (byte[].class.isAssignableFrom(src) && dest == String.class) {
            return true;
        }

        // If it's a MIME type mapping and we want a DataHandler,
        // then we're good.
        // REVIEW Do we want to support this
        /*
        if (dest.getName().equals("javax.activation.DataHandler")) {
            String name = src.getName();
            if (src == String.class
                    || src == java.awt.Image.class
                    || name.equals("javax.mail.internet.MimeMultipart")
                    || name.equals("javax.xml.transform.Source"))
                return true;
        }
        */

        return false;
    }