List of usage examples for org.apache.http.client.methods HttpRequestWrapper containsHeader
public boolean containsHeader(String str)
From source file:org.apache.http.impl.client.cache.CachingExec.java
private CloseableHttpResponse generateCachedResponse(final HttpRequestWrapper request, final HttpContext context, final HttpCacheEntry entry, final Date now) { final CloseableHttpResponse cachedResponse; if (request.containsHeader(HeaderConstants.IF_NONE_MATCH) || request.containsHeader(HeaderConstants.IF_MODIFIED_SINCE)) { cachedResponse = responseGenerator.generateNotModifiedResponse(entry); } else {//from w w w . j a va 2 s . c om cachedResponse = responseGenerator.generateResponse(entry); } setResponseStatus(context, CacheResponseStatus.CACHE_HIT); if (validityPolicy.getStalenessSecs(entry, now) > 0L) { cachedResponse.addHeader(HeaderConstants.WARNING, "110 localhost \"Response is stale\""); } return cachedResponse; }
From source file:org.apache.http.impl.client.cache.CachingHttpAsyncClient.java
private HttpResponse generateCachedResponse(final HttpRequestWrapper request, final HttpCacheContext clientContext, final HttpCacheEntry entry, final Date now) { final HttpResponse cachedResponse; if (request.containsHeader(HeaderConstants.IF_NONE_MATCH) || request.containsHeader(HeaderConstants.IF_MODIFIED_SINCE)) { cachedResponse = this.responseGenerator.generateNotModifiedResponse(entry); } else {//from w w w .ja v a 2 s. c o m cachedResponse = this.responseGenerator.generateResponse(request, entry); } setResponseStatus(clientContext, CacheResponseStatus.CACHE_HIT); if (this.validityPolicy.getStalenessSecs(entry, now) > 0L) { cachedResponse.addHeader("Warning", "110 localhost \"Response is stale\""); } return cachedResponse; }
From source file:org.apache.http.impl.execchain.MainClientExec.java
public CloseableHttpResponse execute(final HttpRoute route, final HttpRequestWrapper request, final HttpClientContext context, final HttpExecutionAware execAware) throws IOException, HttpException { Args.notNull(route, "HTTP route"); Args.notNull(request, "HTTP request"); Args.notNull(context, "HTTP context"); AuthState targetAuthState = context.getTargetAuthState(); if (targetAuthState == null) { targetAuthState = new AuthState(); context.setAttribute(HttpClientContext.TARGET_AUTH_STATE, targetAuthState); }/*from www. j a v a2 s .c o m*/ AuthState proxyAuthState = context.getProxyAuthState(); if (proxyAuthState == null) { proxyAuthState = new AuthState(); context.setAttribute(HttpClientContext.PROXY_AUTH_STATE, proxyAuthState); } if (request instanceof HttpEntityEnclosingRequest) { Proxies.enhanceEntity((HttpEntityEnclosingRequest) request); } Object userToken = context.getUserToken(); final ConnectionRequest connRequest = connManager.requestConnection(route, userToken); if (execAware != null) { if (execAware.isAborted()) { connRequest.cancel(); throw new RequestAbortedException("Request aborted"); } else { execAware.setCancellable(connRequest); } } final RequestConfig config = context.getRequestConfig(); final HttpClientConnection managedConn; try { final int timeout = config.getConnectionRequestTimeout(); managedConn = connRequest.get(timeout > 0 ? timeout : 0, TimeUnit.MILLISECONDS); } catch (final InterruptedException interrupted) { Thread.currentThread().interrupt(); throw new RequestAbortedException("Request aborted", interrupted); } catch (final ExecutionException ex) { Throwable cause = ex.getCause(); if (cause == null) { cause = ex; } throw new RequestAbortedException("Request execution failed", cause); } context.setAttribute(HttpCoreContext.HTTP_CONNECTION, managedConn); if (config.isStaleConnectionCheckEnabled()) { // validate connection if (managedConn.isOpen()) { this.log.debug("Stale connection check"); if (managedConn.isStale()) { this.log.debug("Stale connection detected"); managedConn.close(); } } } final ConnectionHolder connHolder = new ConnectionHolder(this.log, this.connManager, managedConn); try { if (execAware != null) { execAware.setCancellable(connHolder); } HttpResponse response; for (int execCount = 1;; execCount++) { if (execCount > 1 && !Proxies.isRepeatable(request)) { throw new NonRepeatableRequestException( "Cannot retry request " + "with a non-repeatable request entity."); } if (execAware != null && execAware.isAborted()) { throw new RequestAbortedException("Request aborted"); } if (!managedConn.isOpen()) { this.log.debug("Opening connection " + route); try { establishRoute(proxyAuthState, managedConn, route, request, context); } catch (final TunnelRefusedException ex) { if (this.log.isDebugEnabled()) { this.log.debug(ex.getMessage()); } response = ex.getResponse(); break; } } final int timeout = config.getSocketTimeout(); if (timeout >= 0) { managedConn.setSocketTimeout(timeout); } if (execAware != null && execAware.isAborted()) { throw new RequestAbortedException("Request aborted"); } if (this.log.isDebugEnabled()) { this.log.debug("Executing request " + request.getRequestLine()); } if (!request.containsHeader(AUTH.WWW_AUTH_RESP)) { if (this.log.isDebugEnabled()) { this.log.debug("Target auth state: " + targetAuthState.getState()); } this.authenticator.generateAuthResponse(request, targetAuthState, context); } if (!request.containsHeader(AUTH.PROXY_AUTH_RESP) && !route.isTunnelled()) { if (this.log.isDebugEnabled()) { this.log.debug("Proxy auth state: " + proxyAuthState.getState()); } this.authenticator.generateAuthResponse(request, proxyAuthState, context); } response = requestExecutor.execute(request, managedConn, context); // The connection is in or can be brought to a re-usable state. if (reuseStrategy.keepAlive(response, context)) { // Set the idle duration of this connection final long duration = keepAliveStrategy.getKeepAliveDuration(response, context); if (this.log.isDebugEnabled()) { final String s; if (duration > 0) { s = "for " + duration + " " + TimeUnit.MILLISECONDS; } else { s = "indefinitely"; } this.log.debug("Connection can be kept alive " + s); } connHolder.setValidFor(duration, TimeUnit.MILLISECONDS); connHolder.markReusable(); } else { connHolder.markNonReusable(); } if (needAuthentication(targetAuthState, proxyAuthState, route, response, context)) { // Make sure the response body is fully consumed, if present final HttpEntity entity = response.getEntity(); if (connHolder.isReusable()) { EntityUtils.consume(entity); } else { managedConn.close(); if (proxyAuthState.getState() == AuthProtocolState.SUCCESS && proxyAuthState.getAuthScheme() != null && proxyAuthState.getAuthScheme().isConnectionBased()) { this.log.debug("Resetting proxy auth state"); proxyAuthState.reset(); } if (targetAuthState.getState() == AuthProtocolState.SUCCESS && targetAuthState.getAuthScheme() != null && targetAuthState.getAuthScheme().isConnectionBased()) { this.log.debug("Resetting target auth state"); targetAuthState.reset(); } } // discard previous auth headers final HttpRequest original = request.getOriginal(); if (!original.containsHeader(AUTH.WWW_AUTH_RESP)) { request.removeHeaders(AUTH.WWW_AUTH_RESP); } if (!original.containsHeader(AUTH.PROXY_AUTH_RESP)) { request.removeHeaders(AUTH.PROXY_AUTH_RESP); } } else { break; } } if (userToken == null) { userToken = userTokenHandler.getUserToken(context); context.setAttribute(HttpClientContext.USER_TOKEN, userToken); } if (userToken != null) { connHolder.setState(userToken); } // check for entity, release connection if possible final HttpEntity entity = response.getEntity(); if (entity == null || !entity.isStreaming()) { // connection not needed and (assumed to be) in re-usable state connHolder.releaseConnection(); return Proxies.enhanceResponse(response, null); } else { return Proxies.enhanceResponse(response, connHolder); } } catch (final ConnectionShutdownException ex) { final InterruptedIOException ioex = new InterruptedIOException("Connection has been shut down"); ioex.initCause(ex); throw ioex; } catch (final HttpException ex) { connHolder.abortConnection(); throw ex; } catch (final IOException ex) { connHolder.abortConnection(); throw ex; } catch (final RuntimeException ex) { connHolder.abortConnection(); throw ex; } }
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 www. j av a2 s . c om 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; }