1 /*
2  * Copyright (C) 2007 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 
17 package com.google.common.collect.testing;
18 
19 import com.google.common.annotations.GwtCompatible;
20 import com.google.common.collect.testing.SampleElements.Strings;
21 
22 import java.util.List;
23 
24 /**
25  * TODO: javadoc.
26  *
27  * @author Kevin Bourrillion
28  */
29 @GwtCompatible
30 public abstract class TestStringListGenerator
31     implements TestListGenerator<String> {
32   @Override
samples()33   public SampleElements<String> samples() {
34     return new Strings();
35   }
36 
37   @Override
create(Object... elements)38   public List<String> create(Object... elements) {
39     String[] array = new String[elements.length];
40     int i = 0;
41     for (Object e : elements) {
42       array[i++] = (String) e;
43     }
44     return create(array);
45   }
46 
47   /**
48    * Creates a new collection containing the given elements; implement this
49    * method instead of {@link #create(Object...)}.
50    */
create(String[] elements)51   protected abstract List<String> create(String[] elements);
52 
53   @Override
createArray(int length)54   public String[] createArray(int length) {
55     return new String[length];
56   }
57 
58   /** Returns the original element list, unchanged. */
59   @Override
order(List<String> insertionOrder)60   public List<String> order(List<String> insertionOrder) {
61     return insertionOrder;
62   }
63 }
64