svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.library / org.gvsig.expressionevaluator / org.gvsig.expressionevaluator.lib / org.gvsig.expressionevaluator.lib.impl / src / main / java / org / gvsig / expressionevaluator / impl / function / numeric / BitAndFunction.java @ 43521
History | View | Annotate | Download (1023 Bytes)
1 |
package org.gvsig.expressionevaluator.impl.function.numeric; |
---|---|
2 |
|
3 |
import org.apache.commons.lang3.Range; |
4 |
import org.gvsig.expressionevaluator.Interpreter; |
5 |
import org.gvsig.expressionevaluator.spi.AbstractFunction; |
6 |
|
7 |
public class BitAndFunction extends AbstractFunction { |
8 |
|
9 |
public BitAndFunction() {
|
10 |
super("Numeric", "BITAND", Range.is(2), |
11 |
"The bitwise AND operation. This method returns a long",
|
12 |
null
|
13 |
); |
14 |
} |
15 |
|
16 |
@Override
|
17 |
public Object call(Interpreter interpreter, Object[] args) { |
18 |
Object op1 = args[0]; |
19 |
Object op2 = args[1]; |
20 |
|
21 |
if( op1 instanceof Integer ) { |
22 |
int value = ((Number) op1).intValue() & ((Number) op2).intValue(); |
23 |
return value;
|
24 |
} |
25 |
if( op1 instanceof Number ) { |
26 |
long value = ((Number) op1).longValue() & ((Number) op2).longValue(); |
27 |
return value;
|
28 |
} |
29 |
|
30 |
throw new IllegalArgumentException("Types not allowed in '"+name()+"' function."); |
31 |
} |
32 |
|
33 |
|
34 |
} |