protected Boolean compare()

in broker-core/src/main/java/org/apache/qpid/server/filter/ComparisonExpression.java [409:579]
168 lines of code
35 McCabe index (conditional complexity)

    protected Boolean compare(Comparable lv, Comparable rv)
    {
        Class lc = lv.getClass();
        Class rc = rv.getClass();
        // If the the objects are not of the same type,
        // try to convert up to allow the comparison.
        if (lc != rc)
        {
            if (lc == Byte.class)
            {
                if (rc == Short.class)
                {
                    lv = ((Number) lv).shortValue();
                }
                else if (rc == Integer.class)
                {
                    lv = ((Number) lv).intValue();
                }
                else if (rc == Long.class)
                {
                    lv = ((Number) lv).longValue();
                }
                else if (rc == Float.class)
                {
                    lv = ((Number) lv).floatValue();
                }
                else if (rc == Double.class)
                {
                    lv = ((Number) lv).doubleValue();
                }
                else
                {
                    return Boolean.FALSE;
                }
            }
            else if (lc == Short.class)
            {
                if (rc == Integer.class)
                {
                    lv = ((Number) lv).intValue();
                }
                else if (rc == Long.class)
                {
                    lv = ((Number) lv).longValue();
                }
                else if (rc == Float.class)
                {
                    lv = ((Number) lv).floatValue();
                }
                else if (rc == Double.class)
                {
                    lv = ((Number) lv).doubleValue();
                }
                else
                {
                    return Boolean.FALSE;
                }
            }
            else if (lc == Integer.class)
            {
                if (rc == Long.class)
                {
                    lv = ((Number) lv).longValue();
                }
                else if (rc == Float.class)
                {
                    lv = ((Number) lv).floatValue();
                }
                else if (rc == Double.class)
                {
                    lv = ((Number) lv).doubleValue();
                }
                else
                {
                    return Boolean.FALSE;
                }
            }
            else if (lc == Long.class)
            {
                if (rc == Integer.class)
                {
                    rv = ((Number) rv).longValue();
                }
                else if (rc == Float.class)
                {
                    lv = ((Number) lv).floatValue();
                }
                else if (rc == Double.class)
                {
                    lv = ((Number) lv).doubleValue();
                }
                else
                {
                    return Boolean.FALSE;
                }
            }
            else if (lc == Float.class)
            {
                if (rc == Integer.class)
                {
                    rv = ((Number) rv).floatValue();
                }
                else if (rc == Long.class)
                {
                    rv = ((Number) rv).floatValue();
                }
                else if (rc == Double.class)
                {
                    lv = ((Number) lv).doubleValue();
                }
                else
                {
                    return Boolean.FALSE;
                }
            }
            else if (lc == Double.class)
            {
                if (rc == Integer.class)
                {
                    rv = ((Number) rv).doubleValue();
                }
                else if (rc == Long.class)
                {
                    rv = ((Number) rv).doubleValue();
                }
                else if (rc == Float.class)
                {
                    rv = ((Number) rv).doubleValue();
                }
                else
                {
                    return Boolean.FALSE;
                }
            }
            else if (lv instanceof Enum)
            {
                if (rv instanceof String)
                {
                    try
                    {
                        rv = Enum.valueOf(lc, (String) rv);
                    }
                    catch (IllegalArgumentException e)
                    {
                        return Boolean.FALSE;
                    }
                }
                else
                {
                    return Boolean.FALSE;
                }
            }
            else if (lv instanceof String)
            {
                if (rv instanceof Enum)
                {
                    lv = Enum.valueOf(rc, (String) lv);
                }
                else
                {
                    return Boolean.FALSE;
                }
            }
            else
            {
                return Boolean.FALSE;
            }
        }

        return asBoolean(lv.compareTo(rv)) ? Boolean.TRUE : Boolean.FALSE;
    }