Examples with NullObject org.codehaus.groovy.runtime.NullObject used on opensource projects

Example 1 with NullObject

use of org.codehaus.groovy.runtime.NullObject in project groovy by apache.

the class DefaultTypeTransformation method compareEqual.

public static boolean compareEqual(Object left, Object right) {
    if (left == right)
        return true;
    if (left == null)
        return right instanceof NullObject;
    if (right == null)
        return left instanceof NullObject;
    if (left instanceof Comparable) {
        return compareToWithEqualityCheck(left, right, true) == 0;
    }
    // handle arrays on both sides as special case for efficiency
    Class leftClass = left.getClass();
    Class rightClass = right.getClass();
    if (leftClass.isArray() && rightClass.isArray()) {
        return compareArrayEqual(left, right);
    }
    if (leftClass.isArray() && leftClass.getComponentType().isPrimitive()) {
        left = primitiveArrayToList(left);
    }
    if (rightClass.isArray() && rightClass.getComponentType().isPrimitive()) {
        right = primitiveArrayToList(right);
    }
    if (left instanceof Object[] && right instanceof List) {
        return DefaultGroovyMethods.equals((Object[]) left, (List) right);
    }
    if (left instanceof List && right instanceof Object[]) {
        return DefaultGroovyMethods.equals((List) left, (Object[]) right);
    }
    if (left instanceof List && right instanceof List) {
        return DefaultGroovyMethods.equals((List) left, (List) right);
    }
    if (left instanceof Map.Entry && right instanceof Map.Entry) {
        Object k1 = ((Map.Entry) left).getKey();
        Object k2 = ((Map.Entry) right).getKey();
        if (Objects.equals(k1, k2)) {
            Object v1 = ((Map.Entry) left).getValue();
            Object v2 = ((Map.Entry) right).getValue();
            return v1 == v2 || (v1 != null && DefaultTypeTransformation.compareEqual(v1, v2));
        }
        return false;
    }
    return (Boolean) InvokerHelper.invokeMethod(left, "equals", right);
}