/*
* ====================================================================
* 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
*
* The following parameters can be used to customize the behavior of this * class: *
* This method can be overridden in a super class in order to provide * a different implementation of the {@link ByteBufferAllocator} interface. * * @return byte buffer allocator. */ protected ByteBufferAllocator createByteBufferAllocator() { return new HeapByteBufferAllocator(); } /** * Creates an instance of {@link DefaultHttpRequestFactory} to be used * by HTTP connections for creating {@link HttpRequest} objects. *
* This method can be overridden in a super class in order to provide * a different implementation of the {@link HttpRequestFactory} interface. * * @return HTTP request factory. */ protected HttpRequestFactory createHttpRequestFactory() { return new DefaultHttpRequestFactory(); } /** * Creates an instance of {@link DefaultNHttpServerConnection} based on the * given {@link IOSession}. *
* This method can be overridden in a super class in order to provide * a different implementation of the {@link NHttpServerIOTarget} interface. * * @param session the underlying I/O session. * * @return newly created HTTP connection. */ protected NHttpServerIOTarget createConnection(final IOSession session) { return new DefaultNHttpServerConnection( session, createHttpRequestFactory(), this.allocator, this.params); } public void connected(final IOSession session) { try { NHttpServerIOTarget conn = createConnection(session); session.setAttribute(ExecutionContext.HTTP_CONNECTION, conn); int timeout = HttpConnectionParams.getSoTimeout(this.params); session.setSocketTimeout(timeout); this.handler.connected(conn); } catch (RuntimeException ex) { session.shutdown(); throw ex; } } public void disconnected(final IOSession session) { NHttpServerIOTarget conn = (NHttpServerIOTarget) session.getAttribute( ExecutionContext.HTTP_CONNECTION); if (conn != null) { this.handler.closed(conn); } } private void ensureNotNull(final NHttpServerIOTarget conn) { if (conn == null) { throw new IllegalStateException("HTTP connection is null"); } } public void inputReady(final IOSession session) { try { NHttpServerIOTarget conn = (NHttpServerIOTarget) session.getAttribute( ExecutionContext.HTTP_CONNECTION); ensureNotNull(conn); conn.consumeInput(this.handler); } catch (RuntimeException ex) { session.shutdown(); throw ex; } } public void outputReady(final IOSession session) { try { NHttpServerIOTarget conn = (NHttpServerIOTarget) session.getAttribute( ExecutionContext.HTTP_CONNECTION); ensureNotNull(conn); conn.produceOutput(this.handler); } catch (RuntimeException ex) { session.shutdown(); throw ex; } } public void timeout(final IOSession session) { try { NHttpServerIOTarget conn = (NHttpServerIOTarget) session.getAttribute( ExecutionContext.HTTP_CONNECTION); ensureNotNull(conn); this.handler.timeout(conn); } catch (RuntimeException ex) { session.shutdown(); throw ex; } } }