SimpleEnvironment


1   /*  Copyright (c) 2000-2004 jMock.org
2    */
3   package org.jmock.examples.calculator;
4   
5   import java.util.HashMap  ;
6   
7   
8   public class SimpleEnvironment implements Environment
9   {
10      public HashMap   variables = new HashMap  ();
11  
12  
13      public Expression getVariable( String   name ) throws CalculatorException {
14          if (variables.containsKey(name)) {
15              return (Expression)variables.get(name);
16          } 
17          throw new CalculatorException("variable \"" + name + "\" not defined");
18      }
19  
20      public void setVariable( String   name, Expression expression ) {
21          variables.put(name, expression);
22      }
23  }
24

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