001/* 002 * Copyright (C) 2012 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.google; 018 019import com.google.common.annotations.GwtCompatible; 020import com.google.common.collect.BiMap; 021import com.google.common.collect.testing.Helpers; 022import com.google.common.collect.testing.SampleElements; 023import java.util.List; 024import java.util.Map.Entry; 025 026/** 027 * Implementation helper for {@link TestBiMapGenerator} for use with bimaps of strings. 028 * 029 * @author Chris Povirk 030 * @author Jared Levy 031 * @author George van den Driessche 032 * @author Louis Wasserman 033 */ 034@GwtCompatible 035public abstract class TestStringBiMapGenerator implements TestBiMapGenerator<String, String> { 036 037 @Override 038 public SampleElements<Entry<String, String>> samples() { 039 return new SampleElements<>( 040 Helpers.mapEntry("one", "January"), 041 Helpers.mapEntry("two", "February"), 042 Helpers.mapEntry("three", "March"), 043 Helpers.mapEntry("four", "April"), 044 Helpers.mapEntry("five", "May")); 045 } 046 047 @Override 048 public final BiMap<String, String> create(Object... entries) { 049 @SuppressWarnings("unchecked") 050 Entry<String, String>[] array = new Entry[entries.length]; 051 int i = 0; 052 for (Object o : entries) { 053 @SuppressWarnings("unchecked") 054 Entry<String, String> e = (Entry<String, String>) o; 055 array[i++] = e; 056 } 057 return create(array); 058 } 059 060 protected abstract BiMap<String, String> create(Entry<String, String>[] entries); 061 062 @Override 063 @SuppressWarnings("unchecked") 064 public final Entry<String, String>[] createArray(int length) { 065 return new Entry[length]; 066 } 067 068 @Override 069 public final String[] createKeyArray(int length) { 070 return new String[length]; 071 } 072 073 @Override 074 public final String[] createValueArray(int length) { 075 return new String[length]; 076 } 077 078 /** Returns the original element list, unchanged. */ 079 @Override 080 public Iterable<Entry<String, String>> order(List<Entry<String, String>> insertionOrder) { 081 return insertionOrder; 082 } 083}