Coverage Report - org.seasar.cubby.spi.impl.AbstractCachedConverterProvider
 
Classes in this File Line Coverage Branch Coverage Complexity
AbstractCachedConverterProvider
88%
15/17
100%
4/4
2
 
 1  
 /*
 2  
  * Copyright 2004-2009 the Seasar Foundation and the Others.
 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,
 13  
  * either express or implied. See the License for the specific language
 14  
  * governing permissions and limitations under the License.
 15  
  */
 16  
 package org.seasar.cubby.spi.impl;
 17  
 
 18  
 import java.util.HashMap;
 19  
 import java.util.Map;
 20  
 
 21  
 import org.seasar.cubby.converter.Converter;
 22  
 
 23  
 /**
 24  
  * コンバータのキャッシュを備えたコンバータプロバイダのスケルトン実装です。
 25  
  * 
 26  
  * @author baba
 27  
  */
 28  19
 public abstract class AbstractCachedConverterProvider extends
 29  
                 AbstractConverterProvider {
 30  
 
 31  
         /** コンバータのキャッシュです。 */
 32  19
         private final Map<String, Converter> converterCache = new HashMap<String, Converter>();
 33  
 
 34  
         /**
 35  
          * {@inheritDoc}
 36  
          */
 37  
         @Override
 38  
         public Converter getConverter(final Class<?> parameterType,
 39  
                         final Class<?> objectType) {
 40  209
                 final Class<?> destType = ConversionUtils
 41  
                                 .getWrapperClassIfPrimitive(objectType);
 42  209
                 final String cacheKey = cacheKey(parameterType, destType);
 43  209
                 final Converter converter = converterCache.get(cacheKey);
 44  209
                 if (converter != null) {
 45  80
                         return converter;
 46  
                 }
 47  129
                 return detectConverter(parameterType, destType);
 48  
         }
 49  
 
 50  
         private Converter detectConverter(final Class<?> parameterType,
 51  
                         final Class<?> objectType) {
 52  129
                 final Converter converter = super.getConverter(parameterType,
 53  
                                 objectType);
 54  129
                 final String cacheKey = cacheKey(parameterType, objectType);
 55  129
                 converterCache.put(cacheKey, converter);
 56  129
                 return converter;
 57  
         }
 58  
 
 59  
         private static String cacheKey(final Class<?> parameterType,
 60  
                         final Class<?> objectType) {
 61  338
                 if (parameterType == null) {
 62  23
                         return objectType.getName();
 63  
                 }
 64  315
                 return parameterType.getName() + objectType.getName();
 65  
         }
 66  
 
 67  
         /**
 68  
          * キャッシュをクリアします。
 69  
          */
 70  
         protected void clear() {
 71  0
                 this.converterCache.clear();
 72  0
         }
 73  
 
 74  
 }