/* | |
* Licensed to the Apache Software Foundation (ASF) under one | |
* or more contributor license agreements. See the NOTICE file | |
* distributed with this work for additional information | |
* regarding copyright ownership. The ASF licenses this file | |
* to you under the Apache License, Version 2.0 (the | |
* "License"); you may not use this file except in compliance | |
* with the License. You may obtain a copy of the License at | |
* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, | |
* software distributed under the License is distributed on an | |
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
* KIND, either express or implied. See the License for the | |
* specific language governing permissions and limitations | |
* under the License. | |
*/ | |
package org.apache.myfaces.extensions.validator.core.validation.message.resolver; | |
import org.apache.myfaces.extensions.validator.core.factory.ClassMappingFactory; | |
import org.apache.myfaces.extensions.validator.core.factory.AbstractNameMapperAwareFactory; | |
import org.apache.myfaces.extensions.validator.core.mapper.NameMapper; | |
import org.apache.myfaces.extensions.validator.core.validation.strategy.ValidationStrategy; | |
import org.apache.myfaces.extensions.validator.core.initializer.configuration.StaticConfiguration; | |
import org.apache.myfaces.extensions.validator.core.initializer.configuration.StaticConfigurationEntry; | |
import org.apache.myfaces.extensions.validator.core.initializer.configuration.StaticConfigurationNames; | |
import org.apache.myfaces.extensions.validator.core.ExtValContext; | |
import org.apache.myfaces.extensions.validator.util.ClassUtils; | |
import org.apache.myfaces.extensions.validator.util.ProxyUtils; | |
import org.apache.myfaces.extensions.validator.util.NullValueAwareConcurrentHashMap; | |
import org.apache.myfaces.extensions.validator.internal.ToDo; | |
import org.apache.myfaces.extensions.validator.internal.Priority; | |
import org.apache.myfaces.extensions.validator.internal.UsageInformation; | |
import org.apache.myfaces.extensions.validator.internal.UsageCategory; | |
import java.util.List; | |
import java.util.Map; | |
import java.util.concurrent.CopyOnWriteArrayList; | |
import java.util.logging.Logger; | |
/** | |
* Factory which creates a MessageResolver for a given ValidationStrategy | |
* | |
* @since 1.x.1 | |
*/ | |
@ToDo(value = Priority.MEDIUM, description = "add generic java api (de-/register mapping)") | |
@UsageInformation({UsageCategory.INTERNAL, UsageCategory.CUSTOMIZABLE}) | |
public class DefaultMessageResolverFactory extends AbstractNameMapperAwareFactory<ValidationStrategy> | |
implements ClassMappingFactory<ValidationStrategy, MessageResolver> | |
{ | |
protected final Logger logger = Logger.getLogger(getClass().getName()); | |
private Map<String, String> strategyMessageResolverMapping; | |
private List<NameMapper<ValidationStrategy>> nameMapperList = | |
new CopyOnWriteArrayList<NameMapper<ValidationStrategy>>(); | |
public DefaultMessageResolverFactory() | |
{ | |
logger.fine(getClass().getName() + " instantiated"); | |
} | |
public MessageResolver create(ValidationStrategy validationStrategy) | |
{ | |
String strategyName = ProxyUtils.getClassName(validationStrategy.getClass()); | |
if (strategyMessageResolverMapping == null) | |
{ | |
initStaticMappings(); | |
} | |
if (strategyMessageResolverMapping.containsKey(strategyName)) | |
{ | |
return (MessageResolver) ClassUtils | |
.tryToInstantiateClassForName(strategyMessageResolverMapping.get(strategyName)); | |
} | |
MessageResolver messageResolver; | |
String resolverName; | |
for (NameMapper<ValidationStrategy> nameMapper : nameMapperList) | |
{ | |
//build convention (ValidationErrorMessageResolver) | |
resolverName = nameMapper.createName(validationStrategy); | |
//name wasn't mapped | |
if (resolverName == null || ProxyUtils.getClassName(validationStrategy.getClass()).equals(resolverName)) | |
{ | |
continue; | |
} | |
messageResolver = (MessageResolver) ClassUtils.tryToInstantiateClassForName(resolverName); | |
if (messageResolver != null) | |
{ | |
addMapping(strategyName, resolverName); | |
logger.finest(resolverName + " used for " + strategyName); | |
return messageResolver; | |
} | |
} | |
addMapping(strategyName, DefaultValidationErrorMessageResolver.class.getName()); | |
return new DefaultValidationErrorMessageResolver(); | |
} | |
private synchronized void initStaticMappings() | |
{ | |
strategyMessageResolverMapping = new NullValueAwareConcurrentHashMap<String, String>(String.class); | |
//setup internal static mappings | |
for (StaticConfiguration<String, String> staticConfig : | |
ExtValContext.getContext().getStaticConfiguration( | |
StaticConfigurationNames.VALIDATION_STRATEGY_TO_MESSAGE_RESOLVER_CONFIG)) | |
{ | |
setupMappings(staticConfig.getMapping()); | |
} | |
} | |
private void setupMappings(List<StaticConfigurationEntry<String,String>> mappings) | |
{ | |
for(StaticConfigurationEntry<String, String> mapping : mappings) | |
{ | |
addMapping(mapping.getSource(), mapping.getTarget()); | |
} | |
} | |
@ToDo(value = Priority.MEDIUM, description = "logging") | |
private synchronized void addMapping(String validationStrategyName, String messageResolverName) | |
{ | |
logger.finest("adding static validation strategy to message resolver mapping: " | |
+ validationStrategyName + " -> " + messageResolverName); | |
strategyMessageResolverMapping.put(validationStrategyName, messageResolverName); | |
} | |
protected List<NameMapper<ValidationStrategy>> getNameMapperList() | |
{ | |
return nameMapperList; | |
} | |
} |