Java tutorial
package com.leekli.demo.utils; import io.netty.channel.Channel; import io.netty.channel.ChannelException; import io.netty.channel.ChannelFactory; /* * Copyright 2014 The Netty Project * * The Netty Project 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. */ import io.netty.util.internal.StringUtil; /** * A {@link ChannelFactory} that instantiates a new {@link Channel} by invoking its default constructor reflectively. */ public class ReflectiveChannelFactory<T extends Channel> implements ChannelFactory<T> { private final Class<? extends T> clazz; public ReflectiveChannelFactory(Class<? extends T> clazz) { if (clazz == null) { throw new NullPointerException("clazz"); } this.clazz = clazz; } @Override public T newChannel() { try { return clazz.newInstance(); } catch (Throwable t) { throw new ChannelException("Unable to create Channel from class " + clazz, t); } } @Override public String toString() { return StringUtil.simpleClassName(clazz) + ".class"; } }