| /* |
| * 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.sshd.common.io; |
| |
| import java.util.Collections; |
| import java.util.EnumSet; |
| import java.util.Set; |
| |
| import org.apache.sshd.common.NamedFactory; |
| import org.apache.sshd.common.NamedResource; |
| import org.apache.sshd.common.OptionalFeature; |
| import org.apache.sshd.common.io.nio2.Nio2ServiceFactoryFactory; |
| import org.apache.sshd.common.util.ReflectionUtils; |
| |
| /** |
| * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a> |
| */ |
| public enum BuiltinIoServiceFactoryFactories implements NamedFactory<IoServiceFactoryFactory>, OptionalFeature { |
| NIO2(Nio2ServiceFactoryFactory.class), |
| MINA("org.apache.sshd.common.io.mina.MinaServiceFactoryFactory"), |
| NETTY("org.apache.sshd.netty.NettyIoServiceFactoryFactory"); |
| |
| public static final Set<BuiltinIoServiceFactoryFactories> VALUES |
| = Collections.unmodifiableSet(EnumSet.allOf(BuiltinIoServiceFactoryFactories.class)); |
| |
| private final Class<? extends IoServiceFactoryFactory> factoryClass; |
| private final String factoryClassName; |
| |
| BuiltinIoServiceFactoryFactories(Class<? extends IoServiceFactoryFactory> clazz) { |
| factoryClass = clazz; |
| factoryClassName = null; |
| } |
| |
| BuiltinIoServiceFactoryFactories(String clazz) { |
| factoryClass = null; |
| factoryClassName = clazz; |
| } |
| |
| public final String getFactoryClassName() { |
| if (factoryClass != null) { |
| return factoryClass.getName(); |
| } else { |
| return factoryClassName; |
| } |
| } |
| |
| @SuppressWarnings({ "unchecked", "rawtypes" }) |
| public final Class<? extends IoServiceFactoryFactory> getFactoryClass() { |
| if (factoryClass != null) { |
| return factoryClass; |
| } |
| |
| try { |
| return (Class) Class.forName(factoryClassName, true, BuiltinIoServiceFactoryFactories.class.getClassLoader()); |
| } catch (ClassNotFoundException e) { |
| try { |
| return (Class) Class.forName(factoryClassName, true, Thread.currentThread().getContextClassLoader()); |
| } catch (ClassNotFoundException e1) { |
| throw new RuntimeException(e); |
| } |
| } |
| } |
| |
| @Override |
| public final String getName() { |
| return name().toLowerCase(); |
| } |
| |
| @Override |
| public final IoServiceFactoryFactory create() { |
| Class<? extends IoServiceFactoryFactory> clazz = getFactoryClass(); |
| try { |
| return ReflectionUtils.newInstance(clazz, IoServiceFactoryFactory.class); |
| } catch (RuntimeException | Error e) { |
| throw e; |
| } catch (Throwable e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| @Override |
| public boolean isSupported() { |
| try { |
| return getFactoryClass() != null; |
| } catch (RuntimeException e) { |
| return false; |
| } |
| } |
| |
| public static BuiltinIoServiceFactoryFactories fromFactoryName(String name) { |
| return NamedResource.findByName(name, String.CASE_INSENSITIVE_ORDER, VALUES); |
| } |
| |
| public static BuiltinIoServiceFactoryFactories fromFactoryClass(Class<?> clazz) { |
| if ((clazz == null) || (!IoServiceFactoryFactory.class.isAssignableFrom(clazz))) { |
| return null; |
| } |
| |
| for (BuiltinIoServiceFactoryFactories f : VALUES) { |
| if (!f.isSupported()) { |
| continue; |
| } |
| |
| if (clazz.isAssignableFrom(f.getFactoryClass())) { |
| return f; |
| } |
| } |
| |
| return null; |
| } |
| |
| } |