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}