| // Copyright 2006, 2007 The Apache Software Foundation |
| // |
| // Licensed 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.tapestry5.internal.services; |
| |
| import org.apache.tapestry5.ioc.internal.util.CollectionFactory; |
| import org.apache.tapestry5.services.AliasContribution; |
| import org.apache.tapestry5.services.AliasManager; |
| import org.slf4j.Logger; |
| |
| import java.util.Collection; |
| import java.util.Map; |
| |
| public class AliasManagerImpl implements AliasManager |
| { |
| private final Logger logger; |
| |
| private final Collection<AliasContribution> contributions; |
| |
| public AliasManagerImpl(Logger logger, Collection<AliasContribution> contributions) |
| { |
| this.logger = logger; |
| this.contributions = contributions; |
| } |
| |
| public Map<Class, Object> getAliasesForMode(String mode) |
| { |
| Map<Class, Object> general = buildMapForMode(""); |
| Map<Class, Object> specific = buildMapForMode(mode); |
| |
| // Anything in specific overrides anything in general |
| |
| general.putAll(specific); |
| |
| return general; |
| } |
| |
| private Map<Class, Object> buildMapForMode(String mode) |
| { |
| Map<Class, Object> result = CollectionFactory.newMap(); |
| |
| for (AliasContribution ic : contributions) |
| { |
| if (!ic.getMode().equalsIgnoreCase(mode)) continue; |
| |
| Class contributionType = ic.getContributionType(); |
| |
| Object existing = result.get(contributionType); |
| |
| if (existing != null) |
| { |
| logger.error(ServicesMessages.duplicateContribution( |
| ic.getObject(), |
| contributionType, |
| existing)); |
| continue; |
| } |
| |
| result.put(contributionType, ic.getObject()); |
| } |
| |
| return result; |
| } |
| |
| } |