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1 package com.thaiopensource.validate.nrl;
2
3 class ElementsOrAttributes {
4 private static final int ELEMENTS_FLAG = 01;
5 private static final int ATTRIBUTES_FLAG = 02;
6
7 static final ElementsOrAttributes NEITHER = new ElementsOrAttributes(0);
8 static final ElementsOrAttributes ELEMENTS = new ElementsOrAttributes(ELEMENTS_FLAG);
9 static final ElementsOrAttributes ATTRIBUTES = new ElementsOrAttributes(ATTRIBUTES_FLAG);
10 static final ElementsOrAttributes BOTH = new ElementsOrAttributes(ELEMENTS_FLAG|ATTRIBUTES_FLAG);
11
12 private static final ElementsOrAttributes values[] = {
13 NEITHER,
14 ELEMENTS,
15 ATTRIBUTES,
16 BOTH
17 };
18
19 private int flags = 0;
20
21 private ElementsOrAttributes(int flags) {
22 this.flags = flags;
23 }
24
25 ElementsOrAttributes addElements() {
26 return values[flags | ELEMENTS_FLAG];
27 }
28
29 ElementsOrAttributes addAttributes() {
30 return values[flags | ATTRIBUTES_FLAG];
31 }
32
33 boolean containsAttributes() {
34 return (flags & ATTRIBUTES_FLAG) != 0;
35 }
36
37 boolean containsElements() {
38 return (flags & ELEMENTS_FLAG) != 0;
39 }
40
41 }
42 |
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