List of usage examples for org.apache.http.impl.nio.client AbstractClientExchangeHandler isRouteEstablished
final boolean isRouteEstablished()
From source file:org.apache.http.impl.nio.client.MainClientExec.java
@Override public HttpRequest generateRequest(final InternalState state, final AbstractClientExchangeHandler<?> handler) throws IOException, HttpException { final HttpRoute route = handler.getRoute(); handler.verifytRoute();//from w ww.j av a2s . c o m if (!handler.isRouteEstablished()) { int step; loop: do { final HttpRoute fact = handler.getActualRoute(); step = this.routeDirector.nextStep(route, fact); switch (step) { case HttpRouteDirector.CONNECT_TARGET: handler.onRouteToTarget(); break; case HttpRouteDirector.CONNECT_PROXY: handler.onRouteToProxy(); break; case HttpRouteDirector.TUNNEL_TARGET: if (this.log.isDebugEnabled()) { this.log.debug("[exchange: " + state.getId() + "] Tunnel required"); } final HttpRequest connect = createConnectRequest(route, state); handler.setCurrentRequest(HttpRequestWrapper.wrap(connect)); break loop; case HttpRouteDirector.TUNNEL_PROXY: throw new HttpException("Proxy chains are not supported"); case HttpRouteDirector.LAYER_PROTOCOL: handler.onRouteUpgrade(); break; case HttpRouteDirector.UNREACHABLE: throw new HttpException( "Unable to establish route: " + "planned = " + route + "; current = " + fact); case HttpRouteDirector.COMPLETE: handler.onRouteComplete(); this.log.debug("Connection route established"); break; default: throw new IllegalStateException("Unknown step indicator " + step + " from RouteDirector."); } } while (step > HttpRouteDirector.COMPLETE); } final HttpClientContext localContext = state.getLocalContext(); HttpRequestWrapper currentRequest = handler.getCurrentRequest(); if (currentRequest == null) { currentRequest = state.getMainRequest(); handler.setCurrentRequest(currentRequest); } if (handler.isRouteEstablished()) { state.incrementExecCount(); if (state.getExecCount() > 1) { final HttpAsyncRequestProducer requestProducer = state.getRequestProducer(); if (!requestProducer.isRepeatable() && state.isRequestContentProduced()) { throw new NonRepeatableRequestException( "Cannot retry request " + "with a non-repeatable request entity."); } requestProducer.resetRequest(); } if (this.log.isDebugEnabled()) { this.log.debug("[exchange: " + state.getId() + "] Attempt " + state.getExecCount() + " to execute request"); } if (!currentRequest.containsHeader(AUTH.WWW_AUTH_RESP)) { final AuthState targetAuthState = localContext.getTargetAuthState(); if (this.log.isDebugEnabled()) { this.log.debug("Target auth state: " + targetAuthState.getState()); } this.authenticator.generateAuthResponse(currentRequest, targetAuthState, localContext); } if (!currentRequest.containsHeader(AUTH.PROXY_AUTH_RESP) && !route.isTunnelled()) { final AuthState proxyAuthState = localContext.getProxyAuthState(); if (this.log.isDebugEnabled()) { this.log.debug("Proxy auth state: " + proxyAuthState.getState()); } this.authenticator.generateAuthResponse(currentRequest, proxyAuthState, localContext); } } else { if (!currentRequest.containsHeader(AUTH.PROXY_AUTH_RESP)) { final AuthState proxyAuthState = localContext.getProxyAuthState(); if (this.log.isDebugEnabled()) { this.log.debug("Proxy auth state: " + proxyAuthState.getState()); } this.authenticator.generateAuthResponse(currentRequest, proxyAuthState, localContext); } } final NHttpClientConnection managedConn = handler.getConnection(); localContext.setAttribute(HttpCoreContext.HTTP_CONNECTION, managedConn); final RequestConfig config = localContext.getRequestConfig(); if (config.getSocketTimeout() > 0) { managedConn.setSocketTimeout(config.getSocketTimeout()); } return currentRequest; }
From source file:org.apache.http.impl.nio.client.MainClientExec.java
@Override public void responseReceived(final HttpResponse response, final InternalState state, final AbstractClientExchangeHandler<?> handler) throws IOException, HttpException { if (this.log.isDebugEnabled()) { this.log.debug("[exchange: " + state.getId() + "] Response received " + response.getStatusLine()); }/*w ww . ja v a2 s .c o m*/ final HttpClientContext context = state.getLocalContext(); context.setAttribute(HttpCoreContext.HTTP_RESPONSE, response); this.httpProcessor.process(response, context); handler.setCurrentResponse(response); if (!handler.isRouteEstablished()) { final int status = response.getStatusLine().getStatusCode(); if (status < 200) { throw new HttpException("Unexpected response to CONNECT request: " + response.getStatusLine()); } if (status == HttpStatus.SC_OK) { handler.onRouteTunnelToTarget(); handler.setCurrentRequest(null); } else { if (!handleConnectResponse(state, handler)) { state.setFinalResponse(response); } } } else { if (!handleResponse(state, handler)) { state.setFinalResponse(response); } } if (state.getFinalResponse() != null) { final HttpAsyncResponseConsumer<?> responseConsumer = state.getResponseConsumer(); responseConsumer.responseReceived(response); } }
From source file:org.apache.http.impl.nio.client.MainClientExec.java
@Override public void responseCompleted(final InternalState state, final AbstractClientExchangeHandler<?> handler) throws IOException, HttpException { final HttpClientContext localContext = state.getLocalContext(); final HttpResponse currentResponse = handler.getCurrentResponse(); if (!handler.isRouteEstablished()) { final int status = currentResponse.getStatusLine().getStatusCode(); if (status == HttpStatus.SC_OK) { handler.setCurrentResponse(null); return; }/* w w w. ja va 2 s . c om*/ } final boolean keepAlive = handler.manageConnectionPersistence(); if (!keepAlive) { handler.releaseConnection(); final AuthState proxyAuthState = localContext.getProxyAuthState(); if (proxyAuthState.getState() == AuthProtocolState.SUCCESS && proxyAuthState.getAuthScheme() != null && proxyAuthState.getAuthScheme().isConnectionBased()) { if (this.log.isDebugEnabled()) { this.log.debug("[exchange: " + state.getId() + "] Resetting proxy auth state"); } proxyAuthState.reset(); } final AuthState targetAuthState = localContext.getTargetAuthState(); if (targetAuthState.getState() == AuthProtocolState.SUCCESS && targetAuthState.getAuthScheme() != null && targetAuthState.getAuthScheme().isConnectionBased()) { if (this.log.isDebugEnabled()) { this.log.debug("[exchange: " + state.getId() + "] Resetting target auth state"); } targetAuthState.reset(); } } Object userToken = localContext.getUserToken(); if (userToken == null) { userToken = this.userTokenHandler.getUserToken(localContext); localContext.setAttribute(HttpClientContext.USER_TOKEN, userToken); } if (state.getFinalResponse() != null) { final HttpAsyncResponseConsumer<?> responseConsumer = state.getResponseConsumer(); responseConsumer.responseCompleted(localContext); if (this.log.isDebugEnabled()) { this.log.debug("[exchange: " + state.getId() + "] Response processed"); } handler.releaseConnection(); } else { if (state.getRedirect() != null) { final HttpUriRequest redirect = state.getRedirect(); final URI uri = redirect.getURI(); if (this.log.isDebugEnabled()) { this.log.debug("[exchange: " + state.getId() + "] Redirecting to '" + uri + "'"); } state.setRedirect(null); final HttpHost newTarget = URIUtils.extractHost(uri); if (newTarget == null) { throw new ProtocolException("Redirect URI does not specify a valid host name: " + uri); } // Reset auth states if redirecting to another host final HttpRoute route = handler.getRoute(); if (!route.getTargetHost().equals(newTarget)) { final AuthState targetAuthState = localContext.getTargetAuthState(); if (this.log.isDebugEnabled()) { this.log.debug("[exchange: " + state.getId() + "] Resetting target auth state"); } targetAuthState.reset(); final AuthState proxyAuthState = localContext.getProxyAuthState(); final AuthScheme authScheme = proxyAuthState.getAuthScheme(); if (authScheme != null && authScheme.isConnectionBased()) { if (this.log.isDebugEnabled()) { this.log.debug("[exchange: " + state.getId() + "] Resetting proxy auth state"); } proxyAuthState.reset(); } } if (!redirect.headerIterator().hasNext()) { final HttpRequest original = state.getMainRequest().getOriginal(); redirect.setHeaders(original.getAllHeaders()); } final HttpRequestWrapper newRequest = HttpRequestWrapper.wrap(redirect); final HttpRoute newRoute = this.routePlanner.determineRoute(newTarget, newRequest, localContext); if (!route.equals(newRoute)) { handler.releaseConnection(); } handler.setRoute(newRoute); handler.setCurrentRequest(newRequest); state.setMainRequest(newRequest); prepareRequest(state, handler); } } handler.setCurrentResponse(null); }