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 / string / LowerFunction.java @ 44198
History | View | Annotate | Download (769 Bytes)
| 1 | 43512 | jjdelcerro | package org.gvsig.expressionevaluator.impl.function.string; |
|---|---|---|---|
| 2 | |||
| 3 | import org.apache.commons.lang3.Range; |
||
| 4 | 44198 | jjdelcerro | import static org.gvsig.expressionevaluator.ExpressionBuilder.FUNCTION_LOWER; |
| 5 | 43521 | jjdelcerro | import org.gvsig.expressionevaluator.Interpreter; |
| 6 | 43512 | jjdelcerro | import org.gvsig.expressionevaluator.spi.AbstractFunction; |
| 7 | |||
| 8 | public class LowerFunction extends AbstractFunction { |
||
| 9 | |||
| 10 | public LowerFunction() {
|
||
| 11 | 44198 | jjdelcerro | super("String", FUNCTION_LOWER, Range.is(1)); |
| 12 | 43512 | jjdelcerro | this.addAlias("LCASE"); |
| 13 | 44139 | jjdelcerro | this.addAlias("toLowerCase"); |
| 14 | 43512 | jjdelcerro | } |
| 15 | |||
| 16 | @Override
|
||
| 17 | 44009 | jjdelcerro | public boolean allowConstantFolding() { |
| 18 | return true; |
||
| 19 | } |
||
| 20 | |||
| 21 | @Override
|
||
| 22 | 43521 | jjdelcerro | public Object call(Interpreter interpreter, Object[] args) throws Exception { |
| 23 | 43512 | jjdelcerro | String str = getStr(args,0); |
| 24 | return str.toLowerCase();
|
||
| 25 | } |
||
| 26 | |||
| 27 | } |