public Connector(String protocol) {setProtocol(protocol);// Instantiate protocol handlerProtocolHandler p = null;try {Class<?> clazz = Class.forName(protocolHandlerClassName);           // 实例化一个协议处理器p = (ProtocolHandler) clazz.newInstance();} catch (Exception e) {log.error(sm.getString("coyoteConnector.protocolHandlerInstantiationFailed"), e);} finally {this.protocolHandler = p;}if (!Globals.STRICT_SERVLET_COMPLIANCE) {URIEncoding = "UTF-8";URIEncodingLower = URIEncoding.toLowerCase(Locale.ENGLISH);}}

 public Request createRequest() {Request request = new Request();request.setConnector(this);return (request);}/*** Create (or allocate) and return a Response object suitable for* receiving the contents of a Response from the responsible Container.*/public Response createResponse() {Response response = new Response();response.setConnector(this);return (response);}

protected void startInternal() throws LifecycleException {// Validate settings before startingif (getPort() < 0) {throw new LifecycleException(sm.getString("coyoteConnector.invalidPort", Integer.valueOf(getPort())));}setState(LifecycleState.STARTING);try {protocolHandler.start();} catch (Exception e) {String errPrefix = "";if(this.service != null) {errPrefix += "service.getName(): \"" + this.service.getName() + "\"; ";}throw new LifecycleException(errPrefix + " " + sm.getString("coyoteConnector.protocolHandlerStartFailed"), e);}}

protected void stopInternal() throws LifecycleException {

setState(LifecycleState.STOPPING);

try {
protocolHandler.stop();
} catch (Exception e) {
throw new LifecycleException
(sm.getString
("coyoteConnector.protocolHandlerStopFailed"), e);
}
}