public Object copy()

in modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/impl/MediatorImpl.java [471:543]
57 lines of code
25 McCabe index (conditional complexity)

    public Object copy(Object data,
                       DataType sourceDataType,
                       DataType targetDataType,
                       Operation sourceOperation,
                       Operation targetOperation) {
        if (data == null) {
            return null;
        }
        Class<?> clazz = data.getClass();
        if (String.class == clazz || clazz.isPrimitive()
            || Number.class.isAssignableFrom(clazz)
            || Boolean.class.isAssignableFrom(clazz)
            || Character.class.isAssignableFrom(clazz)
            || Byte.class.isAssignableFrom(clazz)
            || URI.class == clazz
            || UUID.class == clazz
            || QName.class == clazz) {
            // Immutable classes
            return data;
        }

        DataBinding javaBeansDataBinding = dataBindings.getDataBinding(JavaBeansDataBinding.NAME);
        // FIXME: The JAXB databinding is hard-coded here
        DataBinding jaxbDataBinding = dataBindings.getDataBinding("javax.xml.bind.JAXBElement");
        DataBinding dataBinding = dataBindings.getDataBinding(sourceDataType.getDataBinding());
        // If no databinding was specified, introspect the given arg to
        // determine its databinding
        if (dataBinding == null) {
            if (!"java:array".equals(sourceDataType.getDataBinding())) {
                sourceDataType = dataBindings.introspectType(data, sourceOperation);
                if (sourceDataType != null) {
                    String db = sourceDataType.getDataBinding();
                    dataBinding = dataBindings.getDataBinding(db);
                    if (dataBinding == null && db != null) {
                        return data;
                    }
                }
            }
            if (dataBinding == null) {

                // Default to the JavaBean databinding
                dataBinding = dataBindings.getDataBinding(JavaBeansDataBinding.NAME);
            }
        }

        // Use the JAXB databinding to copy non-Serializable data
        if (dataBinding == javaBeansDataBinding) {

            // If the input data is an array containing non Serializable elements
            // use JAXB
            clazz = data.getClass();
            if (clazz.isArray()) {
                if (Array.getLength(data) != 0) {
                    Object element = Array.get(data, 0);
                    if (element != null && !(element instanceof Serializable)) {
                        dataBinding = jaxbDataBinding;
                    }
                }
            } else {

                // If the input data is not Serializable use JAXB
                if (!((data instanceof Serializable) || (data instanceof Cloneable))) {
                    dataBinding = jaxbDataBinding;
                }
            }
        }

        if (dataBinding == null) {
            return data;
        }

        return dataBinding.copy(data, sourceDataType, targetDataType, sourceOperation, targetOperation);
    }