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19 package org.apache.maven.plugins.shade.resource.properties;
20
21 import java.util.ArrayList;
22 import java.util.Collections;
23 import java.util.Comparator;
24 import java.util.Enumeration;
25 import java.util.Iterator;
26 import java.util.LinkedHashSet;
27 import java.util.LinkedList;
28 import java.util.List;
29 import java.util.Map;
30 import java.util.Properties;
31 import java.util.Set;
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39 public class SortedProperties extends Properties {
40 @Override
41 public Set<Map.Entry<Object, Object>> entrySet() {
42 final List<Map.Entry<Object, Object>> entries = new ArrayList<>(super.entrySet());
43 Collections.sort(entries, new Comparator<Map.Entry<Object, Object>>() {
44 @Override
45 public int compare(Map.Entry<Object, Object> o1, Map.Entry<Object, Object> o2) {
46 return String.valueOf(o1.getKey()).compareTo(String.valueOf(o2.getKey()));
47 }
48 });
49 return new LinkedHashSet<>(entries);
50 }
51
52 @Override
53 public synchronized Enumeration<Object> keys()
54 {
55 final List<String> keys = new LinkedList<>();
56 for (Object k : super.keySet()) {
57 keys.add((String) k);
58 }
59 Collections.sort(keys);
60 final Iterator<String> it = keys.iterator();
61 return new Enumeration<Object>() {
62 @Override
63 public boolean hasMoreElements() {
64 return it.hasNext();
65 }
66
67 @Override
68 public Object nextElement() {
69 return it.next();
70 }
71 };
72 }
73 }