| /* |
| * 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.geode.management.internal.configuration.domain; |
| |
| import java.util.Properties; |
| |
| import org.apache.geode.cache.Cache; |
| import org.apache.geode.cache.Declarable; |
| import org.apache.geode.cache.configuration.ClassNameType; |
| import org.apache.geode.cache.configuration.DeclarableType; |
| import org.apache.geode.cache.configuration.ObjectType; |
| import org.apache.geode.cache.configuration.ParameterType; |
| import org.apache.geode.internal.ClassPathLoader; |
| import org.apache.geode.management.configuration.ClassName; |
| |
| public abstract class DeclarableTypeInstantiator { |
| |
| public static <T extends Declarable> T newInstance(DeclarableType declarableType, Cache cache) { |
| try { |
| Class<T> loadedClass = |
| (Class<T>) ClassPathLoader.getLatest().forName(declarableType.getClassName()); |
| T declarable = loadedClass.newInstance(); |
| Properties initProperties = new Properties(); |
| for (ParameterType parameter : declarableType.getParameters()) { |
| initProperties.put(parameter.getName(), newInstance(parameter, cache)); |
| } |
| declarable.initialize(cache, initProperties); |
| return declarable; |
| } catch (Exception e) { |
| throw new RuntimeException( |
| "Error instantiating class: <" + declarableType.getClassName() + ">", e); |
| } |
| } |
| |
| |
| public static <T> T newInstance(ObjectType objectType, Cache cache) { |
| if (objectType.getString() != null) { |
| return (T) objectType.getString(); |
| } |
| |
| if (objectType.getDeclarable() != null) { |
| return newInstance(objectType.getDeclarable(), cache); |
| } |
| |
| return null; |
| } |
| |
| public static <V> V newInstance(ClassName type, Cache cache) { |
| try { |
| Class<V> loadedClass = (Class<V>) ClassPathLoader.getLatest().forName(type.getClassName()); |
| V object = loadedClass.newInstance(); |
| if (object instanceof Declarable) { |
| Declarable declarable = (Declarable) object; |
| declarable.initialize(cache, type.getInitProperties()); |
| declarable.init(type.getInitProperties()); // for backwards compatibility |
| } |
| return object; |
| } catch (Exception e) { |
| throw new RuntimeException("Error instantiating class: <" + type.getClassName() + ">", e); |
| } |
| } |
| |
| public static <V> V newInstance(ClassNameType className) { |
| try { |
| Class<V> loadedClass = |
| (Class<V>) ClassPathLoader.getLatest().forName(className.getClassName()); |
| return loadedClass.newInstance(); |
| } catch (Exception e) { |
| throw new RuntimeException("Error instantiating class: <" + className.getClassName() + ">", |
| e); |
| } |
| } |
| } |