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16  package org.apache.commons.jexl.parser;
17  
18  import org.apache.commons.jexl.JexlContext;
19  import org.apache.commons.jexl.util.Coercion;
20  
21  /***
22   * && and 'and'.
23   * 
24   * @author <a href="mailto:geirm@apache.org">Geir Magnusson Jr.</a>
25   * @version $Id: ASTAndNode.java 398180 2006-04-29 15:40:35Z dion $
26   */
27  public class ASTAndNode extends SimpleNode {
28      /***
29       * Create the node given an id.
30       * 
31       * @param id node id.
32       */
33      public ASTAndNode(int id) {
34          super(id);
35      }
36  
37      /***
38       * Create a node with the given parser and id.
39       * 
40       * @param p a parser.
41       * @param id node id.
42       */
43      public ASTAndNode(Parser p, int id) {
44          super(p, id);
45      }
46  
47      /*** {@inheritDoc} */
48      public Object jjtAccept(ParserVisitor visitor, Object data) {
49          return visitor.visit(this, data);
50      }
51  
52      /*** {@inheritDoc} */
53      public Object value(JexlContext jc) throws Exception {
54          Object left = ((SimpleNode) jjtGetChild(0)).value(jc);
55          boolean leftValue = Coercion.coerceBoolean(left).booleanValue();
56  
57          
58  
59  
60          return (leftValue && Coercion.coerceBoolean(
61                  ((SimpleNode) jjtGetChild(1)).value(jc)).booleanValue()) ? Boolean.TRUE
62                  : Boolean.FALSE;
63      }
64  }