| // |
| // ======================================================================== |
| // Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd. |
| // ------------------------------------------------------------------------ |
| // All rights reserved. This program and the accompanying materials |
| // are made available under the terms of the Eclipse Public License v1.0 |
| // and Apache License v2.0 which accompanies this distribution. |
| // |
| // The Eclipse Public License is available at |
| // http://www.eclipse.org/legal/epl-v10.html |
| // |
| // The Apache License v2.0 is available at |
| // http://www.opensource.org/licenses/apache2.0.php |
| // |
| // You may elect to redistribute this code under either of these licenses. |
| // ======================================================================== |
| // |
| |
| package org.eclipse.jetty.websocket.common.extensions; |
| |
| import org.eclipse.jetty.io.ByteBufferPool; |
| import org.eclipse.jetty.util.StringUtil; |
| import org.eclipse.jetty.websocket.api.WebSocketException; |
| import org.eclipse.jetty.websocket.api.WebSocketPolicy; |
| import org.eclipse.jetty.websocket.api.extensions.Extension; |
| import org.eclipse.jetty.websocket.api.extensions.ExtensionConfig; |
| import org.eclipse.jetty.websocket.api.extensions.ExtensionFactory; |
| |
| public class WebSocketExtensionFactory extends ExtensionFactory |
| { |
| private WebSocketPolicy policy; |
| private ByteBufferPool bufferPool; |
| |
| public WebSocketExtensionFactory(WebSocketPolicy policy, ByteBufferPool bufferPool) |
| { |
| super(); |
| this.policy = policy; |
| this.bufferPool = bufferPool; |
| } |
| |
| @Override |
| public Extension newInstance(ExtensionConfig config) |
| { |
| if (config == null) |
| { |
| return null; |
| } |
| |
| String name = config.getName(); |
| if (StringUtil.isBlank(name)) |
| { |
| return null; |
| } |
| |
| Class<? extends Extension> extClass = getExtension(name); |
| if (extClass == null) |
| { |
| return null; |
| } |
| |
| try |
| { |
| Extension ext = extClass.newInstance(); |
| if (ext instanceof AbstractExtension) |
| { |
| AbstractExtension aext = (AbstractExtension)ext; |
| aext.setPolicy(policy); |
| aext.setBufferPool(bufferPool); |
| aext.setConfig(config); |
| } |
| return ext; |
| } |
| catch (InstantiationException | IllegalAccessException e) |
| { |
| throw new WebSocketException("Cannot instantiate extension: " + extClass,e); |
| } |
| } |
| } |