1 /* 2 * Copyright (C) 2012 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.google; 18 19 import com.google.common.annotations.GwtCompatible; 20 import com.google.common.collect.ListMultimap; 21 import com.google.common.collect.testing.Helpers; 22 import com.google.common.collect.testing.SampleElements; 23 24 import java.util.Collection; 25 import java.util.List; 26 import java.util.Map; 27 import java.util.Map.Entry; 28 29 /** 30 * A skeleton generator for a {@code ListMultimap} implementation. 31 * 32 * @author Louis Wasserman 33 */ 34 @GwtCompatible 35 public abstract class TestStringListMultimapGenerator 36 implements TestListMultimapGenerator<String, String> { 37 38 @Override 39 public SampleElements<Map.Entry<String, String>> samples() { 40 return new SampleElements<Map.Entry<String, String>>( 41 Helpers.mapEntry("one", "January"), 42 Helpers.mapEntry("two", "February"), 43 Helpers.mapEntry("three", "March"), 44 Helpers.mapEntry("four", "April"), 45 Helpers.mapEntry("five", "May")); 46 } 47 48 @Override 49 public SampleElements<String> sampleKeys() { 50 return new SampleElements<String>("one", "two", "three", "four", "five"); 51 } 52 53 @Override 54 public SampleElements<String> sampleValues() { 55 return new SampleElements<String>("January", "February", "March", "April", "May"); 56 } 57 58 @Override 59 public Collection<String> createCollection(Iterable<? extends String> values) { 60 return Helpers.copyToList(values); 61 } 62 63 @Override 64 public final ListMultimap<String, String> create(Object... entries) { 65 @SuppressWarnings("unchecked") 66 Entry<String, String>[] array = new Entry[entries.length]; 67 int i = 0; 68 for (Object o : entries) { 69 @SuppressWarnings("unchecked") 70 Entry<String, String> e = (Entry<String, String>) o; 71 array[i++] = e; 72 } 73 return create(array); 74 } 75 76 protected abstract ListMultimap<String, String> create( 77 Entry<String, String>[] entries); 78 79 @Override 80 @SuppressWarnings("unchecked") 81 public final Entry<String, String>[] createArray(int length) { 82 return new Entry[length]; 83 } 84 85 @Override 86 public final String[] createKeyArray(int length) { 87 return new String[length]; 88 } 89 90 @Override 91 public final String[] createValueArray(int length) { 92 return new String[length]; 93 } 94 95 /** Returns the original element list, unchanged. */ 96 @Override 97 public Iterable<Entry<String, String>> order( 98 List<Entry<String, String>> insertionOrder) { 99 return insertionOrder; 100 } 101 } 102
