001/*
002 * Copyright (C) 2007 The Guava Authors
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package com.google.common.collect.testing;
018
019import com.google.common.annotations.GwtCompatible;
020import com.google.common.collect.testing.SampleElements.Strings;
021import java.util.List;
022
023/**
024 * TODO: javadoc.
025 *
026 * @author Kevin Bourrillion
027 */
028@GwtCompatible
029public abstract class TestStringListGenerator implements TestListGenerator<String> {
030  @Override
031  public SampleElements<String> samples() {
032    return new Strings();
033  }
034
035  @Override
036  public List<String> create(Object... elements) {
037    String[] array = new String[elements.length];
038    int i = 0;
039    for (Object e : elements) {
040      array[i++] = (String) e;
041    }
042    return create(array);
043  }
044
045  /**
046   * Creates a new collection containing the given elements; implement this method instead of {@link
047   * #create(Object...)}.
048   */
049  protected abstract List<String> create(String[] elements);
050
051  @Override
052  public String[] createArray(int length) {
053    return new String[length];
054  }
055
056  /** Returns the original element list, unchanged. */
057  @Override
058  public List<String> order(List<String> insertionOrder) {
059    return insertionOrder;
060  }
061}