TestApp2.java
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class P2JLogical { |
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private boolean is_Null; |
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private com.goldencode.p2j.util.logical bool_value;
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// 2. --------------------------- handling null values ----------------------------------------
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public boolean IsNull() { |
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return is_Null;
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} |
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public static P2JLogical Null() { |
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P2JLogical logical = new P2JLogical();
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logical.is_Null = true;
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return logical;
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} |
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// 3. --------------------------- handling conversion to/from string --------------------------
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public String toString() { |
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if (this.IsNull()) { |
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return "NULL"; |
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} else {
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// return bool_value.ToString(); -- this will return Yes / No, we rather prefer 0 / 1
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return bool_value.booleanValue() ? "1" : "0"; |
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} |
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} |
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public static P2JLogical Parse(String str) { |
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if (str == null || str.isEmpty()) { |
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return Null();
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} |
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// Parse input string here
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str = str.trim().toLowerCase(); |
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P2JLogical logical = new P2JLogical();
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logical.is_Null = false;
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if (str.equals("0")) { |
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logical.bool_value = new com.goldencode.p2j.util.logical(false); |
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} else if (str.equals("1")) { |
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logical.bool_value = new com.goldencode.p2j.util.logical(true); |
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} else {
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logical.bool_value = new com.goldencode.p2j.util.logical(str);
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} |
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return logical;
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} |
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// 4. --------------------------- UDT Method example ------------------------------------------
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public P2JLogical P2J_And(P2JLogical other) {
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P2JLogical ret = new P2JLogical();
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ret.is_Null = false;
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ret.bool_value = new com.goldencode.p2j.util.logical(
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bool_value.booleanValue() & other.bool_value.booleanValue()); |
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return ret;
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} |
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public boolean value() { |
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return bool_value.booleanValue();
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} |
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} |
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public class TestApp2 { |
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private com.goldencode.p2j.util.logical bool_value;
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public static void main(String[] args) { |
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P2JLogical l1 = P2JLogical.Parse("true");
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System.out.println("Parsing 'true' = " + l1); |
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P2JLogical l2 = l1.P2J_And(P2JLogical.Parse("falsE "));
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System.out.println("'true' And 'falsE ' = " + l2); |
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} |
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} |