/*
* 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.trinidaddemo;
import org.apache.myfaces.trinidaddemo.support.impl.FeatureDemoCategoryImpl;
import org.apache.myfaces.trinidaddemo.support.IFeatureDemoCategory;
import org.apache.myfaces.trinidaddemo.support.FeatureDemoCategoryId;
import org.apache.myfaces.trinidaddemo.support.FeatureDemoId;
import org.apache.myfaces.trinidaddemo.support.IFeatureDemo;
import java.util.logging.Logger;
import java.util.logging.Level;
import java.util.List;
import java.util.Map;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Collection;
/**
*
*/
public class FeatureDemoRegistry {
private static final Logger _LOG = Logger.getLogger(FeatureDemoRegistry.class.getName());
private static FeatureDemoRegistry instance = new FeatureDemoRegistry();
private List<IFeatureDemoCategory> categories;
private Map<FeatureDemoCategoryId, IFeatureDemoCategory> categoriesRegistry;
private Map<FeatureDemoId, IFeatureDemo> featuresDemoRegistry;
/**
* Constructor.
*/
private FeatureDemoRegistry() {
categories = new ArrayList<IFeatureDemoCategory>();
categoriesRegistry = new HashMap<FeatureDemoCategoryId, IFeatureDemoCategory>();
featuresDemoRegistry = new HashMap<FeatureDemoId, IFeatureDemo>();
}
/**
* Gets the singleton instance of the feature demos registry.
*
* @return a FeatureDemoRegistry.
*/
public static FeatureDemoRegistry getInstance() {
return instance;
}
/**
* Registers the given feature demo into a specific category.
*
* @param categoryId the unique id of the category.
* @param categoryName the name of the category.
* @param featureDemo the feature demo to be registered.
*/
public void registerFeatureDemo(FeatureDemoCategoryId categoryId, String categoryName, IFeatureDemo featureDemo) {
if (featureDemo == null) {
throw new IllegalArgumentException("Trying to register a null feature demo!");
}
_LOG.log(Level.INFO, "Register feature demo '" + featureDemo.getDisplayName() + "' in category '" + categoryName + "'");
IFeatureDemoCategory category = categoriesRegistry.get(categoryId);
if (category == null) {
category = new FeatureDemoCategoryImpl(categoryId, categoryName);
categories.add(category);
categoriesRegistry.put(categoryId, category);
}
category.addFeatureDemo(featureDemo);
featuresDemoRegistry.put(featureDemo.getId(), featureDemo);
}
/**
* Returns the feature demo identified by the given id.
*
* @param id the unique id of the desired feature demo.
* @return the feature demo identified by the given id, or null if it's not available in this registry.
*/
public IFeatureDemo getFeatureDemo(FeatureDemoId id) {
return featuresDemoRegistry.get(id);
}
/**
* Returns the category identified by the given id.
*
* @param id the unique id of the desired category.
* @return the category identified by the given id, or null if it's not available in this registry.
*/
public IFeatureDemoCategory getFeatureDemoCategory(FeatureDemoCategoryId id) {
return categoriesRegistry.get(id);
}
/**
* Returns the collection containing all available categories.
*
* @return the collection containing all available categories.
*/
public Collection<IFeatureDemoCategory> getDemoCategories() {
return categories;
}
/**
* Returns the collection containing all available feature demos.
*
* @return the collection containing all available feature demos.
*/
public Collection<IFeatureDemo> getFeatureDemos() {
return featuresDemoRegistry.values();
}
}