Example usage for org.apache.http.impl.nio.client AbstractClientExchangeHandler getCurrentResponse

Introduction

In this page you can find the example usage for org.apache.http.impl.nio.client AbstractClientExchangeHandler getCurrentResponse.

Prototype

final HttpResponse getCurrentResponse() 

Source Link

Usage

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;
        }/*www .j a  v a2  s . co m*/
    }

    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);
}

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From source file:org.apache.http.impl.nio.client.MainClientExec.java

private boolean handleConnectResponse(final InternalState state, final AbstractClientExchangeHandler<?> handler)
        throws HttpException {
    final HttpClientContext localContext = state.getLocalContext();
    final RequestConfig config = localContext.getRequestConfig();
    if (config.isAuthenticationEnabled()) {
        final CredentialsProvider credsProvider = localContext.getCredentialsProvider();
        if (credsProvider != null) {
            final HttpRoute route = handler.getRoute();
            final HttpHost proxy = route.getProxyHost();
            final HttpResponse currentResponse = handler.getCurrentResponse();
            final AuthState proxyAuthState = localContext.getProxyAuthState();
            if (this.authenticator.isAuthenticationRequested(proxy, currentResponse, this.proxyAuthStrategy,
                    proxyAuthState, localContext)) {
                return this.authenticator.handleAuthChallenge(proxy, currentResponse, this.proxyAuthStrategy,
                        proxyAuthState, localContext);
            }/*www  . ja v  a2  s .c om*/
        }
    }
    return false;
}

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From source file:org.apache.http.impl.nio.client.MainClientExec.java

private boolean handleResponse(final InternalState state, final AbstractClientExchangeHandler<?> handler)
        throws HttpException {
    final HttpClientContext localContext = state.getLocalContext();
    final RequestConfig config = localContext.getRequestConfig();
    if (config.isAuthenticationEnabled()) {
        if (needAuthentication(state, handler)) {
            // discard previous auth headers
            final HttpRequestWrapper currentRequest = handler.getCurrentRequest();
            final HttpRequest original = currentRequest.getOriginal();
            if (!original.containsHeader(AUTH.WWW_AUTH_RESP)) {
                currentRequest.removeHeaders(AUTH.WWW_AUTH_RESP);
            }// ww w .  ja v  a 2s  . c  om
            if (!original.containsHeader(AUTH.PROXY_AUTH_RESP)) {
                currentRequest.removeHeaders(AUTH.PROXY_AUTH_RESP);
            }
            return true;
        }
    }
    if (config.isRedirectsEnabled()) {
        final HttpRequest currentRequest = handler.getCurrentRequest();
        final HttpResponse currentResponse = handler.getCurrentResponse();
        if (this.redirectStrategy.isRedirected(currentRequest, currentResponse, localContext)) {
            final int maxRedirects = config.getMaxRedirects() >= 0 ? config.getMaxRedirects() : 100;
            if (state.getRedirectCount() >= maxRedirects) {
                throw new RedirectException("Maximum redirects (" + maxRedirects + ") exceeded");
            }
            state.incrementRedirectCount();
            final HttpUriRequest redirect = this.redirectStrategy.getRedirect(currentRequest, currentResponse,
                    localContext);
            state.setRedirect(redirect);
            return true;
        }
    }
    return false;
}

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From source file:org.apache.http.impl.nio.client.MainClientExec.java

private boolean needAuthentication(final InternalState state, final AbstractClientExchangeHandler<?> handler)
        throws HttpException {
    final HttpClientContext localContext = state.getLocalContext();
    final CredentialsProvider credsProvider = localContext.getCredentialsProvider();
    if (credsProvider != null) {
        final HttpRoute route = handler.getRoute();
        final HttpResponse currentResponse = handler.getCurrentResponse();
        HttpHost target = localContext.getTargetHost();
        if (target == null) {
            target = route.getTargetHost();
        }//w  w w  .  j a  va 2 s.  c o m
        if (target.getPort() < 0) {
            target = new HttpHost(target.getHostName(), route.getTargetHost().getPort(),
                    target.getSchemeName());
        }
        final AuthState targetAuthState = localContext.getTargetAuthState();
        final AuthState proxyAuthState = localContext.getProxyAuthState();

        final boolean targetAuthRequested = this.authenticator.isAuthenticationRequested(target,
                currentResponse, this.targetAuthStrategy, targetAuthState, localContext);

        HttpHost proxy = route.getProxyHost();
        // if proxy is not set use target host instead
        if (proxy == null) {
            proxy = route.getTargetHost();
        }
        final boolean proxyAuthRequested = this.authenticator.isAuthenticationRequested(proxy, currentResponse,
                this.proxyAuthStrategy, proxyAuthState, localContext);

        if (targetAuthRequested) {
            return this.authenticator.handleAuthChallenge(target, currentResponse, this.targetAuthStrategy,
                    targetAuthState, localContext);
        }
        if (proxyAuthRequested) {
            return this.authenticator.handleAuthChallenge(proxy, currentResponse, this.proxyAuthStrategy,
                    proxyAuthState, localContext);
        }
    }
    return false;
}

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