001/* 002 * Copyright 2010 Anyware Services 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016package org.ametys.plugins.newsletter.category; 017 018import java.util.ArrayList; 019import java.util.Collection; 020import java.util.List; 021 022import org.ametys.runtime.plugin.component.AbstractThreadSafeComponentExtensionPoint; 023 024/** 025 * This class is in charge to load and initialize newsletter category providers. 026 */ 027public class CategoryProviderExtensionPoint extends AbstractThreadSafeComponentExtensionPoint<CategoryProvider> 028{ 029 /** Avalon Role */ 030 public static final String ROLE = CategoryProviderExtensionPoint.class.getName(); 031 032 /** 033 * Get all the categories for a given siteName and language. 034 * @param siteName the site name. 035 * @param language the language. 036 * @return a Collection containing all the categories. 037 */ 038 public Collection<Category> getCategories(String siteName, String language) 039 { 040 List<Category> categories = new ArrayList<>(); 041 042 for (String id : getExtensionsIds()) 043 { 044 CategoryProvider provider = getExtension(id); 045 046 categories.addAll(provider.getCategories(siteName, language)); 047 } 048 049 return categories; 050 } 051 052 053 /** 054 * Get a category by its ID. 055 * @param categoryId the category ID. 056 * @return the Category or null if not found. 057 */ 058 public Category getCategory(String categoryId) 059 { 060 for (String id : getExtensionsIds()) 061 { 062 CategoryProvider provider = getExtension(id); 063 if (provider.hasCategory(categoryId)) 064 { 065 return provider.getCategory(categoryId); 066 } 067 } 068 069 return null; 070 } 071 072 /** 073 * Tests if a category exists. 074 * @param categoryId the category ID. 075 * @return true if the category exists, false otherwise.. 076 */ 077 public boolean hasCategory(String categoryId) 078 { 079 for (String id : getExtensionsIds()) 080 { 081 CategoryProvider provider = getExtension(id); 082 if (provider.hasCategory(categoryId)) 083 { 084 return true; 085 } 086 } 087 088 return false; 089 } 090 091 /** 092 * Get a category's provider. 093 * @param categoryId the category ID. 094 * @return the CategoryProvider or null if not found. 095 */ 096 public CategoryProvider getCategoryProvider(String categoryId) 097 { 098 for (String id : getExtensionsIds()) 099 { 100 CategoryProvider provider = getExtension(id); 101 if (provider.hasCategory(categoryId)) 102 { 103 return provider; 104 } 105 } 106 107 return null; 108 } 109 110}