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 / programming / TryFunction.java @ 44738
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1 | 44138 | jjdelcerro | package org.gvsig.expressionevaluator.impl.function.programming; |
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2 | 43512 | jjdelcerro | |
3 | import org.apache.commons.lang3.Range; |
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4 | 44138 | jjdelcerro | import org.gvsig.expressionevaluator.Codes; |
5 | 43939 | jjdelcerro | import org.gvsig.expressionevaluator.Function; |
6 | 43521 | jjdelcerro | import org.gvsig.expressionevaluator.Interpreter; |
7 | 43512 | jjdelcerro | import org.gvsig.expressionevaluator.spi.AbstractFunction; |
8 | |||
9 | 44144 | jjdelcerro | public class TryFunction extends AbstractFunction { |
10 | 43512 | jjdelcerro | |
11 | 44144 | jjdelcerro | public static final String NAME = "TRY"; |
12 | 44138 | jjdelcerro | |
13 | 44144 | jjdelcerro | public TryFunction() {
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14 | 44262 | jjdelcerro | super(Function.GROUP_PROGRAMMING,
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15 | 44138 | jjdelcerro | NAME, |
16 | 44144 | jjdelcerro | Range.between(1,2), |
17 | 44038 | jjdelcerro | null,
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18 | 44144 | jjdelcerro | NAME+"( {{expression}}, onerror )",
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19 | null,
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20 | 44038 | jjdelcerro | "Object",
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21 | true
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22 | 43939 | jjdelcerro | ); |
23 | 43512 | jjdelcerro | } |
24 | |||
25 | @Override
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26 | 44738 | jjdelcerro | public boolean isHidden() { |
27 | return true; |
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28 | } |
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29 | |||
30 | @Override
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31 | 43939 | jjdelcerro | public boolean useArgumentsInsteadObjects() { |
32 | return true; |
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33 | } |
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34 | |||
35 | @Override
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36 | 44138 | jjdelcerro | public boolean allowConstantFolding() { |
37 | return false; |
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38 | } |
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39 | |||
40 | @Override
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41 | 43521 | jjdelcerro | public Object call(Interpreter interpreter, Object[] args) throws Exception { |
42 | 44038 | jjdelcerro | throw new UnsupportedOperationException("Not supported yet."); |
43 | 43939 | jjdelcerro | } |
44 | |||
45 | @Override
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46 | 44138 | jjdelcerro | public Object call(Interpreter interpreter, Codes args) throws Exception { |
47 | 44144 | jjdelcerro | Object value = null; |
48 | try {
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49 | value = getObject(interpreter, args, 0);
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50 | } catch(Exception ex) { |
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51 | if( args.size()>1 ) { |
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52 | value = getObject(interpreter, args, 1);
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53 | 44138 | jjdelcerro | } |
54 | 43512 | jjdelcerro | } |
55 | 43939 | jjdelcerro | return value;
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56 | 43512 | jjdelcerro | } |
57 | |||
58 | } |