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 java.util.List; 20 import java.util.Map; 21 import java.util.Map.Entry; 22 23 /** 24 * Implementation helper for {@link TestMapGenerator} for use with maps of 25 * strings. 26 * 27 * <p>This class is GWT compatible. 28 * 29 * @author Chris Povirk 30 * @author Jared Levy 31 * @author George van den Driessche 32 */ 33 public abstract class TestStringMapGenerator 34 implements TestMapGenerator<String, String> { 35 36 @Override 37 public SampleElements<Map.Entry<String, String>> samples() { 38 return new SampleElements<Map.Entry<String, String>>( 39 Helpers.mapEntry("one", "January"), 40 Helpers.mapEntry("two", "February"), 41 Helpers.mapEntry("three", "March"), 42 Helpers.mapEntry("four", "April"), 43 Helpers.mapEntry("five", "May") 44 ); 45 } 46 47 @Override 48 public final Map<String, String> create(Object... entries) { 49 @SuppressWarnings("unchecked") 50 Entry<String, String>[] array = new Entry[entries.length]; 51 int i = 0; 52 for (Object o : entries) { 53 @SuppressWarnings("unchecked") 54 Entry<String, String> e = (Entry<String, String>) o; 55 array[i++] = e; 56 } 57 return create(array); 58 } 59 60 protected abstract Map<String, String> create( 61 Entry<String, String>[] entries); 62 63 @Override 64 @SuppressWarnings("unchecked") 65 public final Entry<String, String>[] createArray(int length) { 66 return new Entry[length]; 67 } 68 69 @Override 70 public final String[] createKeyArray(int length) { 71 return new String[length]; 72 } 73 74 @Override 75 public final String[] createValueArray(int length) { 76 return new String[length]; 77 } 78 79 /** Returns the original element list, unchanged. */ 80 @Override 81 public Iterable<Entry<String, String>> order( 82 List<Entry<String, String>> insertionOrder) { 83 return insertionOrder; 84 } 85 } 86
