1/*
2 * Copyright (C) 2008 The Guava Authors
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.google.common.collect.testing;
18
19import com.google.common.annotations.GwtCompatible;
20import com.google.common.collect.testing.SampleElements.Strings;
21
22import java.util.Collection;
23import java.util.List;
24
25/**
26 * String creation for testing arbitrary collections.
27 *
28 * @author Jared Levy
29 */
30@GwtCompatible
31public abstract class TestStringCollectionGenerator
32    implements TestCollectionGenerator<String> {
33  @Override
34  public SampleElements<String> samples() {
35    return new Strings();
36  }
37
38  @Override
39  public Collection<String> create(Object... elements) {
40    String[] array = new String[elements.length];
41    int i = 0;
42    for (Object e : elements) {
43      array[i++] = (String) e;
44    }
45    return create(array);
46  }
47
48  protected abstract Collection<String> create(String[] elements);
49
50  @Override
51  public String[] createArray(int length) {
52    return new String[length];
53  }
54
55  /** Returns the original element list, unchanged. */
56  @Override
57  public List<String> order(List<String> insertionOrder) {
58    return insertionOrder;
59  }
60}
61