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 / LocateFunction.java @ 44009
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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 | import org.apache.commons.lang3.StringUtils; |
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| 5 | 43521 | jjdelcerro | import org.gvsig.expressionevaluator.Interpreter; |
| 6 | 43512 | jjdelcerro | import org.gvsig.expressionevaluator.spi.AbstractFunction; |
| 7 | |||
| 8 | public class LocateFunction extends AbstractFunction { |
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| 9 | |||
| 10 | public LocateFunction() {
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| 11 | super("String", "LOCATE", Range.between(2,3)); |
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| 12 | } |
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| 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 | int start = 0; |
| 22 | String search = getStr(args,0); |
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| 23 | String str = getStr(args,1); |
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| 24 | if( args.length==2 ) { |
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| 25 | start = getInt(args, 2);
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| 26 | } |
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| 27 | int r = StringUtils.indexOf(str, search, start);
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| 28 | return r;
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| 29 | } |
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| 30 | |||
| 31 | |||
| 32 | } |