1 19 package bak.pcj.adapter; 20 21 import bak.pcj.Adapter; 22 import bak.pcj.CharIterator; 23 import bak.pcj.FloatCollection; 24 import bak.pcj.map.CharKeyFloatMap; 25 import bak.pcj.map.AbstractCharKeyFloatMap; 26 import bak.pcj.map.CharKeyFloatMapIterator; 27 import bak.pcj.map.MapDefaults; 28 import bak.pcj.map.NoSuchMappingException; 29 import bak.pcj.set.CharSet; 30 import bak.pcj.util.Exceptions; 31 32 import java.util.Map ; 33 import java.util.Iterator ; 34 35 70 public class MapToCharKeyFloatMapAdapter extends AbstractCharKeyFloatMap implements CharKeyFloatMap { 71 72 73 protected Map map; 74 75 76 protected Float lastValue; 77 78 94 public MapToCharKeyFloatMapAdapter(Map map) { 95 if (map == null) 96 Exceptions.nullArgument("map"); 97 this.map = map; 98 lastValue = null; 99 } 100 101 129 public MapToCharKeyFloatMapAdapter(Map map, boolean validate) { 130 if (map == null) 131 Exceptions.nullArgument("map"); 132 this.map = map; 133 lastValue = null; 134 if (validate) 135 evalidate(); 136 } 137 138 public void clear() 139 { map.clear(); } 140 141 public boolean containsKey(char key) { 142 lastValue = (Float )map.get(new Character (key)); 143 return lastValue != null; 144 } 145 146 public boolean containsValue(float value) 147 { return map.containsValue(new Float (value)); } 148 149 public CharKeyFloatMapIterator entries() { 150 return new CharKeyFloatMapIterator() { 151 Iterator i = map.entrySet().iterator(); 152 Map.Entry lastEntry = null; 153 154 public boolean hasNext() 155 { return i.hasNext(); } 156 157 public void next() 158 { lastEntry = (Map.Entry)i.next(); } 159 160 public char getKey() { 161 if (lastEntry == null) 162 Exceptions.noElementToGet(); 163 return ((Character )lastEntry.getKey()).charValue(); 164 } 165 166 public float getValue() { 167 if (lastEntry == null) 168 Exceptions.noElementToGet(); 169 return ((Float )lastEntry.getValue()).floatValue(); 170 } 171 172 public void remove() { 173 i.remove(); 174 lastEntry = null; 175 } 176 }; 177 } 178 179 public float get(char key) { 180 Float value = (Float )map.get(new Character (key)); 181 return value == null ? MapDefaults.defaultFloat() : value.floatValue(); 182 } 183 184 public CharSet keySet() 185 { return new SetToCharSetAdapter(map.keySet()); } 186 187 public float lget() { 188 if (lastValue == null) 189 Exceptions.noLastElement(); 190 return lastValue.floatValue(); 191 } 192 193 public float put(char key, float value) { 194 Float oldValue = (Float )map.put(new Character (key), new Float (value)); 195 return oldValue == null ? MapDefaults.defaultFloat() : oldValue.floatValue(); 196 } 197 198 public float remove(char key) { 199 Float value = (Float )map.remove(new Character (key)); 200 return value == null ? MapDefaults.defaultFloat() : value.floatValue(); 201 } 202 203 public int size() 204 { return map.size(); } 205 206 public FloatCollection values() 207 { return new CollectionToFloatCollectionAdapter(map.values()); } 208 209 public float tget(char key) { 210 Float value = (Float )map.get(new Character (key)); 211 if (value == null) 212 Exceptions.noSuchMapping(String.valueOf(key)); 213 return value.floatValue(); 214 } 215 216 225 public boolean validate() 226 { return Adapter.isCharKeyFloatAdaptable(map); } 227 228 238 public void evalidate() { 239 if (!validate()) 240 Exceptions.cannotAdapt("map"); 241 } 242 243 } | Popular Tags |