001 /* 002 * Created on Dec 21, 2010 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with 005 * the License. You may obtain a copy of the License at 006 * 007 * http://www.apache.org/licenses/LICENSE-2.0 008 * 009 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on 010 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the 011 * specific language governing permissions and limitations under the License. 012 * 013 * Copyright @2010-2011 the original author or authors. 014 */ 015 package org.fest.assertions.data; 016 017 import static org.fest.util.Objects.*; 018 import static org.fest.util.Strings.quote; 019 020 import java.util.Map; 021 022 /** 023 * Understands an entry in a <code>{@link Map}</code>. 024 * 025 * @author Yvonne Wang 026 */ 027 public class MapEntry { 028 029 /** The key corresponding to this entry. */ 030 public final Object key; 031 032 /** The value corresponding to this entry. */ 033 public final Object value; 034 035 /** 036 * Creates a new map entry. 037 * @param key the key of the entry to create. 038 * @param value the value of the entry to create. 039 * @return the created map entry. 040 */ 041 public static MapEntry entry(Object key, Object value) { 042 return new MapEntry(key, value); 043 } 044 045 private MapEntry(Object key, Object value) { 046 this.key = key; 047 this.value = value; 048 } 049 050 @Override public boolean equals(Object obj) { 051 if (this == obj) return true; 052 if (obj == null) return false; 053 if (getClass() != obj.getClass()) return false; 054 MapEntry other = (MapEntry) obj; 055 if (!areEqual(key, other.key)) return false; 056 return areEqual(value, other.value); 057 } 058 059 @Override public int hashCode() { 060 int result = 1; 061 result = HASH_CODE_PRIME * result + hashCodeFor(key); 062 result = HASH_CODE_PRIME * result + hashCodeFor(value); 063 return result; 064 } 065 066 @Override public String toString() { 067 return String.format("%s[key=%s, value=%s]", getClass().getSimpleName(), quote(key), quote(value)); 068 } 069 }