List of usage examples for org.apache.http.client.methods HttpHead HttpHead
public HttpHead(final String uri)
From source file:ru.histone.resourceloaders.DefaultResourceLoader.java
private StreamResource loadHttpResource(URI location, Node[] args) { URI newLocation = URI.create(location.toString().replace("#fragment", "")); final Map<Object, Node> requestMap = args != null && args.length != 0 && args[0] instanceof ObjectHistoneNode ? ((ObjectHistoneNode) args[0]).getElements() : new HashMap<Object, Node>(); Node methodNode = requestMap.get("method"); final String method = methodNode != null && methodNode.isString() && methodNode.getAsString().getValue().length() != 0 ? requestMap.get("method").getAsString().getValue() : "GET"; final Map<String, String> headers = new HashMap<String, String>(); if (requestMap.containsKey("headers")) { for (Map.Entry<Object, Node> en : requestMap.get("headers").getAsObject().getElements().entrySet()) { String value = null;//from ww w . j a v a 2s . c om if (en.getValue().isUndefined()) value = "undefined"; else value = en.getValue().getAsString().getValue(); headers.put(en.getKey().toString(), value); } } final Map<String, String> filteredHeaders = filterRequestHeaders(headers); final Node data = requestMap.containsKey("data") ? (Node) requestMap.get("data") : null; // Prepare request HttpRequestBase request = new HttpGet(newLocation); if ("POST".equalsIgnoreCase(method)) { request = new HttpPost(newLocation); } else if ("PUT".equalsIgnoreCase(method)) { request = new HttpPut(newLocation); } else if ("DELETE".equalsIgnoreCase(method)) { request = new HttpDelete(newLocation); } else if ("TRACE".equalsIgnoreCase(method)) { request = new HttpTrace(newLocation); } else if ("OPTIONS".equalsIgnoreCase(method)) { request = new HttpOptions(newLocation); } else if ("PATCH".equalsIgnoreCase(method)) { request = new HttpPatch(newLocation); } else if ("HEAD".equalsIgnoreCase(method)) { request = new HttpHead(newLocation); } else if (method != null && !"GET".equalsIgnoreCase(method)) { return new StreamResource(null, location.toString(), ContentType.TEXT); } for (Map.Entry<String, String> en : filteredHeaders.entrySet()) { request.setHeader(en.getKey(), en.getValue()); } if (("POST".equalsIgnoreCase(method) || "PUT".equalsIgnoreCase(method)) && data != null) { String stringData = null; String contentType = filteredHeaders.get("content-type") == null ? "" : filteredHeaders.get("content-type"); if (data.isObject()) { stringData = ToQueryString.toQueryString(data.getAsObject(), null, "&"); contentType = "application/x-www-form-urlencoded"; } else { stringData = data.getAsString().getValue(); } if (stringData != null) { StringEntity se; try { se = new StringEntity(stringData); } catch (UnsupportedEncodingException e) { throw new ResourceLoadException(String.format("Can't encode data '%s'", stringData)); } ((HttpEntityEnclosingRequestBase) request).setEntity(se); } request.setHeader("Content-Type", contentType); } if (request.getHeaders("content-Type").length == 0) { request.setHeader("Content-Type", ""); } // Execute request HttpClient client = new DefaultHttpClient(httpClientConnectionManager); ((AbstractHttpClient) client).setRedirectStrategy(new RedirectStrategy()); InputStream input = null; try { HttpResponse response = client.execute(request); input = response.getEntity() == null ? null : response.getEntity().getContent(); } catch (IOException e) { throw new ResourceLoadException(String.format("Can't load resource '%s'", location.toString())); } finally { } return new StreamResource(input, location.toString(), ContentType.TEXT); }
From source file:self.philbrown.droidQuery.AjaxTask.java
@Override protected TaskResponse doInBackground(Void... arg0) { if (this.isCancelled()) return null; //if synchronous, block on the background thread until ready. Then call beforeSend, etc, before resuming. if (!beforeSendIsAsync) { try {/*from w w w . j av a 2s . co m*/ mutex.acquire(); } catch (InterruptedException e) { Log.w("AjaxTask", "Synchronization Error. Running Task Async"); } final Thread asyncThread = Thread.currentThread(); isLocked = true; mHandler.post(new Runnable() { @Override public void run() { if (options.beforeSend() != null) { if (options.context() != null) options.beforeSend().invoke($.with(options.context()), options); else options.beforeSend().invoke(null, options); } if (options.isAborted()) { cancel(true); return; } if (options.global()) { synchronized (globalTasks) { if (globalTasks.isEmpty()) { $.ajaxStart(); } globalTasks.add(AjaxTask.this); } $.ajaxSend(); } else { synchronized (localTasks) { localTasks.add(AjaxTask.this); } } isLocked = false; LockSupport.unpark(asyncThread); } }); if (isLocked) LockSupport.park(); } //here is where to use the mutex //handle cached responses Object cachedResponse = AjaxCache.sharedCache().getCachedResponse(options); //handle ajax caching option if (cachedResponse != null && options.cache()) { Success s = new Success(cachedResponse); s.reason = "cached response"; s.headers = null; return s; } if (request == null) { String type = options.type(); if (type == null) type = "GET"; if (type.equalsIgnoreCase("DELETE")) { request = new HttpDelete(options.url()); } else if (type.equalsIgnoreCase("GET")) { request = new HttpGet(options.url()); } else if (type.equalsIgnoreCase("HEAD")) { request = new HttpHead(options.url()); } else if (type.equalsIgnoreCase("OPTIONS")) { request = new HttpOptions(options.url()); } else if (type.equalsIgnoreCase("POST")) { request = new HttpPost(options.url()); } else if (type.equalsIgnoreCase("PUT")) { request = new HttpPut(options.url()); } else if (type.equalsIgnoreCase("TRACE")) { request = new HttpTrace(options.url()); } else if (type.equalsIgnoreCase("CUSTOM")) { try { request = options.customRequest(); } catch (Exception e) { request = null; } if (request == null) { Log.w("droidQuery.ajax", "CUSTOM type set, but AjaxOptions.customRequest is invalid. Defaulting to GET."); request = new HttpGet(); } } else { //default to GET request = new HttpGet(); } } Map<String, Object> args = new HashMap<String, Object>(); args.put("options", options); args.put("request", request); EventCenter.trigger("ajaxPrefilter", args, null); if (options.headers() != null) { if (options.headers().authorization() != null) { options.headers() .authorization(options.headers().authorization() + " " + options.getEncodedCredentials()); } else if (options.username() != null) { //guessing that authentication is basic options.headers().authorization("Basic " + options.getEncodedCredentials()); } for (Entry<String, String> entry : options.headers().map().entrySet()) { request.addHeader(entry.getKey(), entry.getValue()); } } if (options.data() != null) { try { Method setEntity = request.getClass().getMethod("setEntity", new Class<?>[] { HttpEntity.class }); if (options.processData() == null) { setEntity.invoke(request, new StringEntity(options.data().toString())); } else { Class<?> dataProcessor = Class.forName(options.processData()); Constructor<?> constructor = dataProcessor.getConstructor(new Class<?>[] { Object.class }); setEntity.invoke(request, constructor.newInstance(options.data())); } } catch (Throwable t) { Log.w("Ajax", "Could not post data"); } } HttpParams params = new BasicHttpParams(); if (options.timeout() != 0) { HttpConnectionParams.setConnectionTimeout(params, options.timeout()); HttpConnectionParams.setSoTimeout(params, options.timeout()); } SchemeRegistry schemeRegistry = new SchemeRegistry(); schemeRegistry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80)); if (options.trustAllSSLCertificates()) { X509HostnameVerifier hostnameVerifier = SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER; SSLSocketFactory socketFactory = SSLSocketFactory.getSocketFactory(); socketFactory.setHostnameVerifier(hostnameVerifier); schemeRegistry.register(new Scheme("https", socketFactory, 443)); Log.w("Ajax", "Warning: All SSL Certificates have been trusted!"); } else { schemeRegistry.register(new Scheme("https", SSLSocketFactory.getSocketFactory(), 443)); } SingleClientConnManager mgr = new SingleClientConnManager(params, schemeRegistry); HttpClient client = new DefaultHttpClient(mgr, params); HttpResponse response = null; try { if (options.cookies() != null) { CookieStore cookies = new BasicCookieStore(); for (Entry<String, String> entry : options.cookies().entrySet()) { cookies.addCookie(new BasicClientCookie(entry.getKey(), entry.getValue())); } HttpContext httpContext = new BasicHttpContext(); httpContext.setAttribute(ClientContext.COOKIE_STORE, cookies); response = client.execute(request, httpContext); } else { response = client.execute(request); } if (options.dataFilter() != null) { if (options.context() != null) options.dataFilter().invoke($.with(options.context()), response, options.dataType()); else options.dataFilter().invoke(null, response, options.dataType()); } final StatusLine statusLine = response.getStatusLine(); final Function function = options.statusCode().get(statusLine.getStatusCode()); if (function != null) { mHandler.post(new Runnable() { @Override public void run() { if (options.context() != null) function.invoke($.with(options.context()), statusLine.getStatusCode(), options.clone()); else function.invoke(null, statusLine.getStatusCode(), options.clone()); } }); } //handle dataType String dataType = options.dataType(); if (dataType == null) dataType = "text"; if (options.debug()) Log.i("Ajax", "dataType = " + dataType); Object parsedResponse = null; try { if (dataType.equalsIgnoreCase("text") || dataType.equalsIgnoreCase("html")) { if (options.debug()) Log.i("Ajax", "parsing text"); parsedResponse = parseText(response); } else if (dataType.equalsIgnoreCase("xml")) { if (options.debug()) Log.i("Ajax", "parsing xml"); if (options.customXMLParser() != null) { InputStream is = response.getEntity().getContent(); if (options.SAXContentHandler() != null) options.customXMLParser().parse(is, options.SAXContentHandler()); else options.customXMLParser().parse(is, new DefaultHandler()); parsedResponse = "Response handled by custom SAX parser"; } else if (options.SAXContentHandler() != null) { InputStream is = response.getEntity().getContent(); SAXParserFactory factory = SAXParserFactory.newInstance(); factory.setFeature("http://xml.org/sax/features/namespaces", false); factory.setFeature("http://xml.org/sax/features/namespace-prefixes", true); SAXParser parser = factory.newSAXParser(); XMLReader reader = parser.getXMLReader(); reader.setContentHandler(options.SAXContentHandler()); reader.parse(new InputSource(is)); parsedResponse = "Response handled by custom SAX content handler"; } else { parsedResponse = parseXML(response); } } else if (dataType.equalsIgnoreCase("json")) { if (options.debug()) Log.i("Ajax", "parsing json"); parsedResponse = parseJSON(response); } else if (dataType.equalsIgnoreCase("script")) { if (options.debug()) Log.i("Ajax", "parsing script"); parsedResponse = parseScript(response); } else if (dataType.equalsIgnoreCase("image")) { if (options.debug()) Log.i("Ajax", "parsing image"); parsedResponse = parseImage(response); } else if (dataType.equalsIgnoreCase("raw")) { if (options.debug()) Log.i("Ajax", "parsing raw data"); parsedResponse = parseRawContent(response); } } catch (ClientProtocolException cpe) { if (options.debug()) cpe.printStackTrace(); Error e = new Error(parsedResponse); AjaxError error = new AjaxError(); error.request = request; error.options = options; e.status = statusLine.getStatusCode(); e.reason = statusLine.getReasonPhrase(); error.status = e.status; error.reason = e.reason; error.response = e.response; e.headers = response.getAllHeaders(); e.error = error; return e; } catch (Exception ioe) { if (options.debug()) ioe.printStackTrace(); Error e = new Error(parsedResponse); AjaxError error = new AjaxError(); error.request = request; error.options = options; e.status = statusLine.getStatusCode(); e.reason = statusLine.getReasonPhrase(); error.status = e.status; error.reason = e.reason; error.response = e.response; e.headers = response.getAllHeaders(); e.error = error; return e; } if (statusLine.getStatusCode() >= 300) { //an error occurred Error e = new Error(parsedResponse); Log.e("Ajax Test", parsedResponse.toString()); //AjaxError error = new AjaxError(); //error.request = request; //error.options = options; e.status = statusLine.getStatusCode(); e.reason = statusLine.getReasonPhrase(); //error.status = e.status; //error.reason = e.reason; //error.response = e.response; e.headers = response.getAllHeaders(); //e.error = error; if (options.debug()) Log.i("Ajax", "Error " + e.status + ": " + e.reason); return e; } else { //handle ajax ifModified option Header[] lastModifiedHeaders = response.getHeaders("last-modified"); if (lastModifiedHeaders.length >= 1) { try { Header h = lastModifiedHeaders[0]; SimpleDateFormat format = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss zzz", Locale.US); Date lastModified = format.parse(h.getValue()); if (options.ifModified() && lastModified != null) { Date lastModifiedDate; synchronized (lastModifiedUrls) { lastModifiedDate = lastModifiedUrls.get(options.url()); } if (lastModifiedDate != null && lastModifiedDate.compareTo(lastModified) == 0) { //request response has not been modified. //Causes an error instead of a success. Error e = new Error(parsedResponse); AjaxError error = new AjaxError(); error.request = request; error.options = options; e.status = statusLine.getStatusCode(); e.reason = statusLine.getReasonPhrase(); error.status = e.status; error.reason = e.reason; error.response = e.response; e.headers = response.getAllHeaders(); e.error = error; Function func = options.statusCode().get(304); if (func != null) { if (options.context() != null) func.invoke($.with(options.context())); else func.invoke(null); } return e; } else { synchronized (lastModifiedUrls) { lastModifiedUrls.put(options.url(), lastModified); } } } } catch (Throwable t) { Log.e("Ajax", "Could not parse Last-Modified Header", t); } } //Now handle a successful request Success s = new Success(parsedResponse); s.reason = statusLine.getReasonPhrase(); s.headers = response.getAllHeaders(); return s; } } catch (Throwable t) { if (options.debug()) t.printStackTrace(); if (t instanceof java.net.SocketTimeoutException) { Error e = new Error(null); AjaxError error = new AjaxError(); error.request = request; error.options = options; error.response = e.response; e.status = 0; String reason = t.getMessage(); if (reason == null) reason = "Socket Timeout"; e.reason = reason; error.status = e.status; error.reason = e.reason; if (response != null) e.headers = response.getAllHeaders(); else e.headers = new Header[0]; e.error = error; return e; } return null; } }
From source file:synapticloop.b2.request.BaseB2Request.java
/** * Execute an HTTP HEAD request and return the response for further parsing * * @return the response object/* w w w . j a v a2s . com*/ * * @throws B2ApiException if something went wrong with the call * @throws IOException if there was an error communicating with the API service */ protected CloseableHttpResponse executeHead() throws B2ApiException, IOException { URI uri = this.buildUri(); LOGGER.debug("HEAD request to URL '{}'", uri.toString()); HttpHead httpHead = new HttpHead(uri); CloseableHttpResponse httpResponse = this.execute(httpHead); switch (httpResponse.getStatusLine().getStatusCode()) { case HttpStatus.SC_OK: return httpResponse; } final B2ApiException failure = new B2ApiException(EntityUtils.toString(httpResponse.getEntity()), new HttpResponseException(httpResponse.getStatusLine().getStatusCode(), httpResponse.getStatusLine().getReasonPhrase())); if (httpResponse.containsHeader(HttpHeaders.RETRY_AFTER)) { throw failure .withRetry(Integer.valueOf(httpResponse.getFirstHeader(HttpHeaders.RETRY_AFTER).getValue())); } throw failure; }