List of usage examples for org.apache.http.util Asserts notNull
public static void notNull(Object obj, String str)
From source file:com.amos.tool.SelfRedirectStrategy.java
public URI getLocationURI(final HttpRequest request, final HttpResponse response, final HttpContext context) throws ProtocolException { Args.notNull(request, "HTTP request"); Args.notNull(response, "HTTP response"); Args.notNull(context, "HTTP context"); final HttpClientContext clientContext = HttpClientContext.adapt(context); //get the location header to find out where to redirect to final Header locationHeader = response.getFirstHeader("location"); if (locationHeader == null) { // got a redirect response, but no location header throw new ProtocolException( "Received redirect response " + response.getStatusLine() + " but no location header"); }/* www.j a v a 2 s . co m*/ final String location = locationHeader.getValue(); if (this.log.isDebugEnabled()) { this.log.debug("Redirect requested to location '" + location + "'"); } final RequestConfig config = clientContext.getRequestConfig(); URI uri = createLocationURI(location.replaceAll(" ", "%20")); // rfc2616 demands the location value be a complete URI // Location = "Location" ":" absoluteURI try { if (!uri.isAbsolute()) { if (!config.isRelativeRedirectsAllowed()) { throw new ProtocolException("Relative redirect location '" + uri + "' not allowed"); } // Adjust location URI final HttpHost target = clientContext.getTargetHost(); Asserts.notNull(target, "Target host"); final URI requestURI = new URI(request.getRequestLine().getUri()); final URI absoluteRequestURI = URIUtils.rewriteURI(requestURI, target, false); uri = URIUtils.resolve(absoluteRequestURI, uri); } } catch (final URISyntaxException ex) { throw new ProtocolException(ex.getMessage(), ex); } RedirectLocations redirectLocations = (RedirectLocations) clientContext .getAttribute(HttpClientContext.REDIRECT_LOCATIONS); if (redirectLocations == null) { redirectLocations = new RedirectLocations(); context.setAttribute(HttpClientContext.REDIRECT_LOCATIONS, redirectLocations); } if (!config.isCircularRedirectsAllowed()) { if (redirectLocations.contains(uri)) { throw new CircularRedirectException("Circular redirect to '" + uri + "'"); } } redirectLocations.add(uri); return uri; }
From source file:org.callimachusproject.client.HttpAuthenticator.java
private void ensureAuthScheme(final AuthScheme authScheme) { Asserts.notNull(authScheme, "Auth scheme"); }
From source file:org.apache.http.client.protocol.RequestAuthenticationBase.java
private Header authenticate(final AuthScheme authScheme, final Credentials creds, final HttpRequest request, final HttpContext context) throws AuthenticationException { Asserts.notNull(authScheme, "Auth scheme"); if (authScheme instanceof ContextAwareAuthScheme) { return ((ContextAwareAuthScheme) authScheme).authenticate(creds, request, context); } else {//from w w w. j a v a 2 s . com return authScheme.authenticate(creds, request); } }
From source file:org.apache.http.impl.client.AbstractAuthenticationHandler.java
public AuthScheme selectScheme(final Map<String, Header> challenges, final HttpResponse response, final HttpContext context) throws AuthenticationException { final AuthSchemeRegistry registry = (AuthSchemeRegistry) context .getAttribute(ClientContext.AUTHSCHEME_REGISTRY); Asserts.notNull(registry, "AuthScheme registry"); Collection<String> authPrefs = getAuthPreferences(response, context); if (authPrefs == null) { authPrefs = DEFAULT_SCHEME_PRIORITY; }//from ww w .j ava2 s. co m if (this.log.isDebugEnabled()) { this.log.debug("Authentication schemes in the order of preference: " + authPrefs); } AuthScheme authScheme = null; for (final String id : authPrefs) { final Header challenge = challenges.get(id.toLowerCase(Locale.ENGLISH)); if (challenge != null) { if (this.log.isDebugEnabled()) { this.log.debug(id + " authentication scheme selected"); } try { authScheme = registry.getAuthScheme(id, response.getParams()); break; } catch (final IllegalStateException e) { if (this.log.isWarnEnabled()) { this.log.warn("Authentication scheme " + id + " not supported"); // Try again } } } else { if (this.log.isDebugEnabled()) { this.log.debug("Challenge for " + id + " authentication scheme not available"); // Try again } } } if (authScheme == null) { // If none selected, something is wrong throw new AuthenticationException("Unable to respond to any of these challenges: " + challenges); } return authScheme; }
From source file:org.apache.http.impl.client.DefaultRedirectHandler.java
public URI getLocationURI(final HttpResponse response, final HttpContext context) throws ProtocolException { Args.notNull(response, "HTTP response"); //get the location header to find out where to redirect to final Header locationHeader = response.getFirstHeader("location"); if (locationHeader == null) { // got a redirect response, but no location header throw new ProtocolException( "Received redirect response " + response.getStatusLine() + " but no location header"); }/*from w w w .j ava 2s .c o m*/ final String location = locationHeader.getValue(); if (this.log.isDebugEnabled()) { this.log.debug("Redirect requested to location '" + location + "'"); } URI uri; try { uri = new URI(location); } catch (final URISyntaxException ex) { throw new ProtocolException("Invalid redirect URI: " + location, ex); } final HttpParams params = response.getParams(); // rfc2616 demands the location value be a complete URI // Location = "Location" ":" absoluteURI if (!uri.isAbsolute()) { if (params.isParameterTrue(ClientPNames.REJECT_RELATIVE_REDIRECT)) { throw new ProtocolException("Relative redirect location '" + uri + "' not allowed"); } // Adjust location URI final HttpHost target = (HttpHost) context.getAttribute(ExecutionContext.HTTP_TARGET_HOST); Asserts.notNull(target, "Target host"); final HttpRequest request = (HttpRequest) context.getAttribute(ExecutionContext.HTTP_REQUEST); try { final URI requestURI = new URI(request.getRequestLine().getUri()); final URI absoluteRequestURI = URIUtils.rewriteURI(requestURI, target, true); uri = URIUtils.resolve(absoluteRequestURI, uri); } catch (final URISyntaxException ex) { throw new ProtocolException(ex.getMessage(), ex); } } if (params.isParameterFalse(ClientPNames.ALLOW_CIRCULAR_REDIRECTS)) { RedirectLocations redirectLocations = (RedirectLocations) context.getAttribute(REDIRECT_LOCATIONS); if (redirectLocations == null) { redirectLocations = new RedirectLocations(); context.setAttribute(REDIRECT_LOCATIONS, redirectLocations); } final URI redirectURI; if (uri.getFragment() != null) { try { final HttpHost target = new HttpHost(uri.getHost(), uri.getPort(), uri.getScheme()); redirectURI = URIUtils.rewriteURI(uri, target, true); } catch (final URISyntaxException ex) { throw new ProtocolException(ex.getMessage(), ex); } } else { redirectURI = uri; } if (redirectLocations.contains(redirectURI)) { throw new CircularRedirectException("Circular redirect to '" + redirectURI + "'"); } else { redirectLocations.add(redirectURI); } } return uri; }
From source file:org.apache.http.impl.client.DefaultRedirectStrategy.java
public URI getLocationURI(final HttpRequest request, final HttpResponse response, final HttpContext context) throws ProtocolException { Args.notNull(request, "HTTP request"); Args.notNull(response, "HTTP response"); Args.notNull(context, "HTTP context"); final HttpClientContext clientContext = HttpClientContext.adapt(context); //get the location header to find out where to redirect to final Header locationHeader = response.getFirstHeader("location"); if (locationHeader == null) { // got a redirect response, but no location header throw new ProtocolException( "Received redirect response " + response.getStatusLine() + " but no location header"); }/*from ww w .j av a 2 s. c o m*/ final String location = locationHeader.getValue(); if (this.log.isDebugEnabled()) { this.log.debug("Redirect requested to location '" + location + "'"); } final RequestConfig config = clientContext.getRequestConfig(); URI uri = createLocationURI(location); // rfc2616 demands the location value be a complete URI // Location = "Location" ":" absoluteURI try { if (!uri.isAbsolute()) { if (!config.isRelativeRedirectsAllowed()) { throw new ProtocolException("Relative redirect location '" + uri + "' not allowed"); } // Adjust location URI final HttpHost target = clientContext.getTargetHost(); Asserts.notNull(target, "Target host"); final URI requestURI = new URI(request.getRequestLine().getUri()); final URI absoluteRequestURI = URIUtils.rewriteURI(requestURI, target, false); uri = URIUtils.resolve(absoluteRequestURI, uri); } } catch (final URISyntaxException ex) { throw new ProtocolException(ex.getMessage(), ex); } RedirectLocations redirectLocations = (RedirectLocations) clientContext .getAttribute(HttpClientContext.REDIRECT_LOCATIONS); if (redirectLocations == null) { redirectLocations = new RedirectLocations(); context.setAttribute(HttpClientContext.REDIRECT_LOCATIONS, redirectLocations); } if (!config.isCircularRedirectsAllowed()) { if (redirectLocations.contains(uri)) { throw new CircularRedirectException("Circular redirect to '" + uri + "'"); } } redirectLocations.add(uri); return uri; }
From source file:org.apache.http.impl.client.InternalHttpClient.java
private HttpRoute determineRoute(final HttpHost target, final HttpRequest request, final HttpContext context) throws HttpException { HttpHost host = target;/*from ww w . j a va2s . c o m*/ if (host == null) { host = (HttpHost) request.getParams().getParameter(ClientPNames.DEFAULT_HOST); } Asserts.notNull(host, "Target host"); return this.routePlanner.determineRoute(host, request, context); }