svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.library / org.gvsig.expressionevaluator / org.gvsig.expressionevaluator.swing / org.gvsig.expressionevaluator.swing.impl / src / main / java / org / gvsig / expressionevaluator / swing / impl / Utils.java @ 44644
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| 1 | 43983 | jjdelcerro | package org.gvsig.expressionevaluator.swing.impl; |
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| 2 | |||
| 3 | import java.util.Comparator; |
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| 4 | import java.util.Objects; |
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| 5 | 44644 | jjdelcerro | import org.gvsig.expressionevaluator.ExpressionUtils; |
| 6 | 43983 | jjdelcerro | |
| 7 | 44644 | jjdelcerro | |
| 8 | 43983 | jjdelcerro | /**
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| 9 | *
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| 10 | * @author jjdelcerro
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| 11 | */
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| 12 | 44098 | jjdelcerro | public class Utils { |
| 13 | 43983 | jjdelcerro | |
| 14 | public static Comparator naturalComparator() { |
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| 15 | return new Comparator() { |
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| 16 | @Override
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| 17 | public int compare(Object o1, Object o2) { |
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| 18 | 44259 | jjdelcerro | if (o1 instanceof Integer && o2 instanceof Number ) { |
| 19 | return Long.compare((Integer) o1, ((Number)o2).intValue()); |
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| 20 | |||
| 21 | } else if (o1 instanceof Long && o2 instanceof Number ) { |
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| 22 | return Long.compare((Long) o1, ((Number)o2).longValue()); |
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| 23 | |||
| 24 | } else if (o1 instanceof Double && o2 instanceof Number ) { |
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| 25 | return Double.compare((Double) o1, ((Number)o2).doubleValue()); |
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| 26 | |||
| 27 | } else if (o1 instanceof Float && o2 instanceof Number) { |
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| 28 | return Double.compare((Float) o1, ((Number)o2).floatValue()); |
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| 29 | |||
| 30 | } else if (o1 instanceof Number && o2 instanceof Number) { |
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| 31 | return Double.compare( getDouble((Number) o1), getDouble((Number) o2)); |
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| 32 | |||
| 33 | } else if (o1 instanceof String && o2 instanceof String) { |
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| 34 | return ((String) o1).compareToIgnoreCase((String)o2); |
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| 35 | |||
| 36 | 43983 | jjdelcerro | } else {
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| 37 | 44259 | jjdelcerro | try {
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| 38 | return ((Comparable) o1).compareTo((Comparable)o2); |
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| 39 | } catch(Exception ex) { |
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| 40 | return Objects.toString(o1, "").compareTo(Objects.toString(o2, "")); |
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| 41 | } |
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| 42 | 43983 | jjdelcerro | } |
| 43 | } |
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| 44 | }; |
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| 45 | } |
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| 46 | 44006 | jjdelcerro | |
| 47 | 44259 | jjdelcerro | private static double getDouble(Number n) { |
| 48 | 44006 | jjdelcerro | if( n==null ) { |
| 49 | return 0; |
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| 50 | } |
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| 51 | 44259 | jjdelcerro | return n.doubleValue();
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| 52 | 44006 | jjdelcerro | } |
| 53 | 44098 | jjdelcerro | |
| 54 | public static String repr(Object value) { |
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| 55 | 44644 | jjdelcerro | return ExpressionUtils.repr(value);
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| 56 | 44098 | jjdelcerro | } |
| 57 | |||
| 58 | 43983 | jjdelcerro | } |