1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.accumulo.core.util;
18
19 import java.util.ArrayList;
20 import java.util.Arrays;
21 import java.util.Collection;
22 import java.util.List;
23 import java.util.TreeSet;
24
25 public class ByteArraySet extends TreeSet<byte[]> {
26
27 private static final long serialVersionUID = 1L;
28
29 public ByteArraySet() {
30 super(new ByteArrayComparator());
31 }
32
33 public ByteArraySet(Collection<? extends byte[]> c) {
34 this();
35 addAll(c);
36 }
37
38 public static ByteArraySet fromStrings(Collection<String> c) {
39 List<byte[]> lst = new ArrayList<byte[]>();
40 for (String s : c)
41 lst.add(s.getBytes());
42 return new ByteArraySet(lst);
43 }
44
45 public static ByteArraySet fromStrings(String... c) {
46 return ByteArraySet.fromStrings(Arrays.asList(c));
47 }
48
49 public List<byte[]> toList() {
50 return new ArrayList<byte[]>(this);
51 }
52
53 }