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1 package net.sourceforge.formview.util;
2
3 import java.util.Map  ;
4
5 public class FormulaUtil {
6
7 public static boolean executeCondition(String formula, Map attributeMap) {
8 boolean equalCondition = true;
11 int indexBeforeOp = formula.indexOf("==");
12 if (indexBeforeOp == - 1) {
13 indexBeforeOp = formula.indexOf("!=");
14 equalCondition = false;
15 }
16
17 if (indexBeforeOp != -1) {
18 String leftOp = formula.substring(0, indexBeforeOp);
19
20
21 String rightOp = formula.substring(indexBeforeOp + 2, formula.length());
22
23 if (leftOp != null && leftOp.length() > 0 &&
24 rightOp != null && rightOp.length() > 0 ) {
25
26 leftOp = leftOp.replace('{', ' ');
27 leftOp = leftOp.replace('$', ' ');
28 leftOp = leftOp.trim();
29
30 String valueOfLeftMap = (String )attributeMap.get(leftOp);
31 if (valueOfLeftMap != null)
32 valueOfLeftMap = valueOfLeftMap.toUpperCase();
33 else
34 valueOfLeftMap = "NULL";
35
36 rightOp = rightOp.replace('}', ' ');
37 rightOp = rightOp.replace('$', ' ');
38
39 rightOp = rightOp.trim().toUpperCase();
40
41 if (equalCondition) {
42 return rightOp.equals(valueOfLeftMap);
43 }
44 else {
45 return !rightOp.equals(valueOfLeftMap);
46 }
47 }
48 }
49 return false;
50 }
51
52
53 }
54 |
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