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 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.Collection; 23 import java.util.List; 24 25 /** 26 * String creation for testing arbitrary collections. 27 * 28 * @author Jared Levy 29 */ 30 @GwtCompatible 31 public abstract class TestStringCollectionGenerator 32 implements TestCollectionGenerator<String> { 33 @Override samples()34 public SampleElements<String> samples() { 35 return new Strings(); 36 } 37 38 @Override create(Object... elements)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 create(String[] elements)48 protected abstract Collection<String> create(String[] elements); 49 50 @Override createArray(int length)51 public String[] createArray(int length) { 52 return new String[length]; 53 } 54 55 /** Returns the original element list, unchanged. */ 56 @Override order(List<String> insertionOrder)57 public List<String> order(List<String> insertionOrder) { 58 return insertionOrder; 59 } 60 } 61