| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| ClassCacheHandler |
|
| 5.5;5.5 |
| 1 | package org.apache.commons.ognl.internal; | |
| 2 | ||
| 3 | /* | |
| 4 | * Licensed to the Apache Software Foundation (ASF) under one | |
| 5 | * or more contributor license agreements. See the NOTICE file | |
| 6 | * distributed with this work for additional information | |
| 7 | * regarding copyright ownership. The ASF licenses this file | |
| 8 | * to you under the Apache License, Version 2.0 (the | |
| 9 | * "License"); you may not use this file except in compliance | |
| 10 | * with the License. You may obtain a copy of the License at | |
| 11 | * | |
| 12 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 13 | * | |
| 14 | * Unless required by applicable law or agreed to in writing, | |
| 15 | * software distributed under the License is distributed on an | |
| 16 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
| 17 | * KIND, either express or implied. See the License for the | |
| 18 | * specific language governing permissions and limitations | |
| 19 | * under the License. | |
| 20 | */ | |
| 21 | ||
| 22 | /* | |
| 23 | * $Id: ClassCacheHandler.java 1203584 2011-11-18 10:54:19Z mcucchiara $ | |
| 24 | */ | |
| 25 | public class ClassCacheHandler | |
| 26 | { | |
| 27 | ||
| 28 | private ClassCacheHandler() | |
| 29 | 0 | { |
| 30 | 0 | } |
| 31 | ||
| 32 | public static <T> T getHandler( Class<?> forClass, ClassCache<T> handlers ) | |
| 33 | throws CacheException | |
| 34 | { | |
| 35 | T answer; | |
| 36 | ||
| 37 | 2902 | synchronized ( handlers ) |
| 38 | { | |
| 39 | 2902 | answer = handlers.get( forClass ); |
| 40 | 2902 | if ( answer == null ) |
| 41 | { | |
| 42 | Class<?> keyFound; | |
| 43 | ||
| 44 | 209 | if ( forClass.isArray() ) |
| 45 | { | |
| 46 | 5 | answer = handlers.get( Object[].class ); |
| 47 | 5 | keyFound = null; |
| 48 | } | |
| 49 | else | |
| 50 | { | |
| 51 | 204 | keyFound = forClass; |
| 52 | outer: | |
| 53 | 439 | for ( Class<?> clazz = forClass; clazz != null; clazz = clazz.getSuperclass() ) |
| 54 | { | |
| 55 | 337 | answer = handlers.get( clazz ); |
| 56 | 337 | if ( answer == null ) |
| 57 | { | |
| 58 | 246 | Class<?>[] interfaces = clazz.getInterfaces(); |
| 59 | 348 | for ( Class<?> iface : interfaces ) |
| 60 | { | |
| 61 | 113 | answer = handlers.get( iface ); |
| 62 | 113 | if ( answer == null ) |
| 63 | { | |
| 64 | /* Try super-interfaces */ | |
| 65 | 104 | answer = getHandler( iface, handlers ); |
| 66 | } | |
| 67 | 113 | if ( answer != null ) |
| 68 | { | |
| 69 | 11 | keyFound = iface; |
| 70 | 11 | break outer; |
| 71 | } | |
| 72 | } | |
| 73 | 235 | } |
| 74 | else | |
| 75 | { | |
| 76 | 91 | keyFound = clazz; |
| 77 | 91 | break; |
| 78 | } | |
| 79 | } | |
| 80 | } | |
| 81 | 209 | if ( answer != null ) |
| 82 | { | |
| 83 | 107 | if ( keyFound != forClass ) |
| 84 | { | |
| 85 | 107 | handlers.put( forClass, answer ); |
| 86 | } | |
| 87 | } | |
| 88 | } | |
| 89 | 2902 | } |
| 90 | 2902 | return answer; |
| 91 | ||
| 92 | } | |
| 93 | } |