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 / RTrimFunction.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 | 43521 | jjdelcerro | import org.gvsig.expressionevaluator.Interpreter; |
| 5 | 43512 | jjdelcerro | import org.gvsig.expressionevaluator.spi.AbstractFunction; |
| 6 | |||
| 7 | public class RTrimFunction extends AbstractFunction { |
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| 8 | |||
| 9 | public RTrimFunction() {
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| 10 | super("String", "RTRIM", Range.is(1)); |
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| 11 | } |
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| 12 | |||
| 13 | @Override
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| 14 | 44009 | jjdelcerro | public boolean allowConstantFolding() { |
| 15 | return true; |
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| 16 | } |
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| 17 | |||
| 18 | @Override
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| 19 | 43521 | jjdelcerro | public Object call(Interpreter interpreter, Object[] args) throws Exception { |
| 20 | 43512 | jjdelcerro | String str = getStr(args,0); |
| 21 | return rtrim(str);
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| 22 | } |
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| 23 | |||
| 24 | public static String rtrim(String s) { |
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| 25 | int i = s.length() - 1; |
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| 26 | while( i >= 0 && Character.isWhitespace(s.charAt(i)) ) { |
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| 27 | i--; |
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| 28 | } |
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| 29 | return s.substring(0, i + 1); |
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| 30 | } |
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| 31 | } |