protected Boolean compare()

in activemq-client/src/main/java/org/apache/activemq/filter/ComparisonExpression.java [398:515]
116 lines of code
55 McCabe index (conditional complexity)

    protected Boolean compare(Comparable lv, Comparable rv) {
        Class<? extends Comparable> lc = lv.getClass();
        Class<? extends Comparable> rc = rv.getClass();
        // If the the objects are not of the same type,
        // try to convert up to allow the comparison.
        if (lc != rc) {
            try {
                if (lc == Boolean.class) {
                    if (convertStringExpressions && rc == String.class) {
                        lv = Boolean.valueOf((String) lv);
                    } else {
                        return Boolean.FALSE;
                    }
                } else 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 if (convertStringExpressions && rc == String.class) {
                        rv = Byte.valueOf((String)rv);
                    } 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 if (convertStringExpressions && rc == String.class) {
                        rv = Short.valueOf((String)rv);
                    } 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 if (convertStringExpressions && rc == String.class) {
                        rv = Integer.valueOf((String)rv);
                    } 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 if (convertStringExpressions && rc == String.class) {
                        rv = Long.valueOf((String)rv);
                    } 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 if (convertStringExpressions && rc == String.class) {
                        rv = Float.valueOf((String)rv);
                    } 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 = (float) ((Number) rv).doubleValue();
                    } else if (convertStringExpressions && rc == String.class) {
                        rv = Double.valueOf((String)rv);
                    } else {
                        return Boolean.FALSE;
                    }
                } else if (convertStringExpressions && lc == String.class) {
                    if (rc == Boolean.class) {
                        lv = Boolean.valueOf((String)lv);
                    } else if (rc == Byte.class) {
                        lv = Byte.valueOf((String)lv);
                    } else if (rc == Short.class) {
                        lv = Short.valueOf((String)lv);
                    } else if (rc == Integer.class) {
                        lv = Integer.valueOf((String)lv);
                    } else if (rc == Long.class) {
                        lv = Long.valueOf((String)lv);
                    } else if (rc == Float.class) {
                        lv = Float.valueOf((String)lv);
                    } else if (rc == Double.class) {
                        lv = Double.valueOf((String)lv);
                    } else {
                        return Boolean.FALSE;
                    }
                } else {
                    return Boolean.FALSE;
                }
            } catch(NumberFormatException e) {
                return Boolean.FALSE;
            }
        }
        return asBoolean(lv.compareTo(rv)) ? Boolean.TRUE : Boolean.FALSE;
    }