| author | Jaroslav Tulach <jtulach@netbeans.org> |
| Sat, 14 Jun 2008 09:52:45 +0200 | |
| changeset 52 | 4257f4cf226b |
| permissions | -rw-r--r-- |
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/* |
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* Operation.java |
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* |
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* Created on July 12, 2006, 3:06 PM |
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* |
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* To change this template, choose Tools | Template Manager |
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* and open the template in the editor. |
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*/ |
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|
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package org.netbeans.apifest.boolcircuit; |
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/** |
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* |
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*/ |
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public interface Operation {
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public char evaluate (char i1, char i2) throws IllegalArgumentException; |
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public final static Operation OR = new Or (); |
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public final static Operation AND = new And (); |
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public final static Operation NEG = new Neg (); |
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static class And implements Operation {
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public char evaluate(char i1, char i2) throws IllegalArgumentException {
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if (i1 != '0' && i1 != '1') {
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throw new IllegalArgumentException ("Invalid input parameter: " + i1);
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} |
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if (i2 != '0' && i2 != '1') {
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throw new IllegalArgumentException ("Invalid input parameter: " + i2);
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} |
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return i1 == '1' && i2 == '1' ? '1' : '0'; |
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} |
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} |
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static class Or implements Operation {
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public char evaluate(char i1, char i2) throws IllegalArgumentException {
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if (i1 != '0' && i1 != '1') {
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throw new IllegalArgumentException ("Invalid input parameter: " + i1);
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} |
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if (i2 != '0' && i2 != '1') {
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throw new IllegalArgumentException ("Invalid input parameter: " + i2);
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} |
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return i1 == '1' || i2 == '1' ? '1' : '0'; |
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} |
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} |
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static class Neg implements Operation {
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public char evaluate(char i1, char i2) throws IllegalArgumentException {
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if (i1 != '0' && i1 != '1') {
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throw new IllegalArgumentException ("Invalid input parameter: " + i1);
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} |
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return i1 == '1' ? '0' : '1'; |
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} |
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} |
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} |
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