1 package org.apache.maven.plugins.shade.resource.properties;
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22 import java.util.ArrayList;
23 import java.util.Collections;
24 import java.util.Comparator;
25 import java.util.Enumeration;
26 import java.util.Iterator;
27 import java.util.LinkedHashSet;
28 import java.util.LinkedList;
29 import java.util.List;
30 import java.util.Map;
31 import java.util.Properties;
32 import java.util.Set;
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40 public class SortedProperties extends Properties
41 {
42 @Override
43 public Set<Map.Entry<Object, Object>> entrySet()
44 {
45 final List<Map.Entry<Object, Object>> entries = new ArrayList<>( super.entrySet() );
46 Collections.sort( entries, new Comparator<Map.Entry<Object, Object>>()
47 {
48 @Override
49 public int compare( Map.Entry<Object, Object> o1, Map.Entry<Object, Object> o2 )
50 {
51 return String.valueOf( o1.getKey() ).compareTo( String.valueOf( o2.getKey() ) );
52 }
53 } );
54 return new LinkedHashSet<>( entries );
55 }
56
57 @Override
58 public synchronized Enumeration<Object> keys()
59 {
60 final List<String> keys = new LinkedList<>();
61 for ( Object k : super.keySet() )
62 {
63 keys.add( (String) k );
64 }
65 Collections.sort( keys );
66 final Iterator<String> it = keys.iterator();
67 return new Enumeration<Object>()
68 {
69 @Override
70 public boolean hasMoreElements()
71 {
72 return it.hasNext();
73 }
74
75 @Override
76 public Object nextElement()
77 {
78 return it.next();
79 }
80 };
81 }
82 }