1 package org.apache.commons.ognl;
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27 class ASTBitAnd
28 extends NumericExpression
29 {
30 public ASTBitAnd( int id )
31 {
32 super( id );
33 }
34
35 public ASTBitAnd( OgnlParser p, int id )
36 {
37 super( p, id );
38 }
39
40 public void jjtClose()
41 {
42 flattenTree();
43 }
44
45 protected Object getValueBody( OgnlContext context, Object source )
46 throws OgnlException
47 {
48 Object result = children[0].getValue( context, source );
49 for ( int i = 1; i < children.length; ++i )
50 {
51 result = OgnlOps.binaryAnd( result, children[i].getValue( context, source ) );
52 }
53 return result;
54 }
55
56 public String getExpressionOperator( int index )
57 {
58 return "&";
59 }
60
61 public String coerceToNumeric( String source, OgnlContext context, Node child )
62 {
63 return "(long)" + super.coerceToNumeric( source, context, child );
64 }
65
66 public <R, P> R accept( NodeVisitor<? extends R, ? super P> visitor, P data )
67 throws OgnlException
68 {
69 return visitor.visit( this, data );
70 }
71 }