001/* 002 * Copyright 2018 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.cms.tag; 017 018import java.util.Map; 019import java.util.Set; 020 021import org.ametys.runtime.plugin.component.AbstractThreadSafeComponentExtensionPoint; 022 023/** 024 * This class is in charge to load and initialize tag providers. 025 * @param <T> The tag class 026 */ 027public abstract class AbstractTagProviderExtensionPoint<T extends Tag> extends AbstractThreadSafeComponentExtensionPoint<TagProvider<T>> 028{ 029 /** 030 * Get the tag 031 * @param name The tag's name 032 * @param contextualParameters Contextual parameters 033 * @return the tag or null if tag is not found 034 */ 035 public T getTag(String name, Map<String, Object> contextualParameters) 036 { 037 Set<String> extensionsIds = getExtensionsIds(); 038 039 for (String id : extensionsIds) 040 { 041 TagProvider<T> tagProvider = getExtension(id); 042 if (tagProvider.hasTag(name, contextualParameters)) 043 { 044 return tagProvider.getTag(name, contextualParameters); 045 } 046 } 047 048 return null; 049 } 050 051 /** 052 * Get the tags node name 053 * @return the tags node name 054 */ 055 public abstract String getTagsNodeName(); 056 057 /** 058 * Get the tag node type 059 * @return the tag node type 060 */ 061 public abstract String getTagsNodeType(); 062}