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 / LengthFunction.java @ 44198
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| 1 | 43512 | jjdelcerro | package org.gvsig.expressionevaluator.impl.function.string; |
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| 2 | |||
| 3 | import org.apache.commons.lang3.Range; |
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| 4 | 43521 | jjdelcerro | import org.gvsig.expressionevaluator.Interpreter; |
| 5 | 43512 | jjdelcerro | import org.gvsig.expressionevaluator.spi.AbstractFunction; |
| 6 | |||
| 7 | public class LengthFunction extends AbstractFunction { |
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| 8 | |||
| 9 | public LengthFunction() {
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| 10 | 44053 | omartinez | super("String", "LENGTH", Range.is(1)); |
| 11 | 44139 | jjdelcerro | this.addAlias("LEN"); |
| 12 | 43512 | jjdelcerro | } |
| 13 | |||
| 14 | @Override
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| 15 | 44009 | jjdelcerro | public boolean allowConstantFolding() { |
| 16 | return true; |
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| 17 | } |
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| 18 | |||
| 19 | @Override
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| 20 | 43521 | jjdelcerro | public Object call(Interpreter interpreter, Object[] args) throws Exception { |
| 21 | 43512 | jjdelcerro | String str = getStr(args,0); |
| 22 | return str.length();
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| 23 | } |
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| 24 | |||
| 25 | |||
| 26 | } |