Method deepToStringImpl

Ports/CLDC11/src/java/util/Arrays.java:3785–3835

(Object[] array, Object[] origArrays,
            StringBuffer sb)

    ///
    /// - #deepToString(Object[])
    private static String deepToStringImpl(Object[] array, Object[] origArrays,
            StringBuffer sb) {
        if (array == null) {
            return "null"; //$NON-NLS-1$
        }
        if (array.length == 0) {
            return "[]"; //$NON-NLS-1$
        }

        if (sb == null) {
            sb = new StringBuffer(2 + array.length * 5);
        }
        sb.append('[');

        for (int i = 0; i < array.length; i++) {
            if (i != 0) {
                sb.append(", "); //$NON-NLS-1$
            }
            // establish current element
            Object elem = array[i];
            if (elem == null) {
                // element is null
                sb.append("null"); //$NON-NLS-1$
            } else {
                // get the Class of the current element
                Class<?> elemClass = elem.getClass();
                if (elemClass.isArray()) {
                    // element is an array type

                    // get the declared Class of the array (element)
                    //Class<?> elemElemClass = elemClass.getComponentType();
                    // element is an Object[], so we assert that
                    if (deepToStringImplContains(origArrays, elem)) {
                        sb.append("[...]"); //$NON-NLS-1$
                    } else {
                        Object[] newArray = (Object[]) elem;
                        Object[] newOrigArrays = new Object[origArrays.length + 1];
                        System.arraycopy(origArrays, 0, newOrigArrays, 0,
                                origArrays.length);
                        newOrigArrays[origArrays.length] = newArray;
                        // make the recursive call to this method
                        deepToStringImpl(newArray, newOrigArrays, sb);
                    }
                } else { // element is NOT an array, just an Object
                    sb.append(array[i]);
                }
            }
        }
        sb.append(']');
        return sb.toString();
    }

    /// Utility method used to assist the implementation of
    /// `#deepToString(Object[])`.