List of usage examples for com.google.gwt.xhr.client XMLHttpRequest getResponseText
public abstract String getResponseText();
From source file:com.badlogic.gdx.backends.gwt.preloader.AssetDownloader.java
License:Apache License
public void loadText(String url, final AssetLoaderListener<String> listener) { XMLHttpRequest request = XMLHttpRequest.create(); request.setOnReadyStateChange(new ReadyStateChangeHandler() { @Override// w w w .j a va2 s . c o m public void onReadyStateChange(XMLHttpRequest xhr) { if (xhr.getReadyState() == XMLHttpRequest.DONE) { if (xhr.getStatus() != 200) { listener.onFailure(); } else { listener.onSuccess(xhr.getResponseText()); } } } }); setOnProgress(request, listener); request.open("GET", url); request.setRequestHeader("Content-Type", "text/plain; charset=utf-8"); request.send(); }
From source file:com.badlogic.gdx.backends.gwt.preloader.BinaryLoader.java
License:Apache License
public BinaryLoader(String url, LoaderCallback<Blob> callback) { this.callback = callback; XMLHttpRequest request = XMLHttpRequest.create(); request.setOnReadyStateChange(new ReadyStateChangeHandler() { @Override//from ww w .j a va 2 s. co m public void onReadyStateChange(XMLHttpRequest xhr) { if (xhr.getReadyState() == 4) { int status = xhr.getStatus(); if (status != 200) { BinaryLoader.this.callback.error(); } else { BinaryLoader.this.callback.success(new Blob(xhr.getResponseText())); } } } }); overrideMimeType(request, "text/plain; charset=x-user-defined"); request.open("GET", url); request.send(); }
From source file:com.codenvy.plugin.contribution.client.steps.GenerateReviewFactoryStep.java
License:Open Source License
private void saveFactory(final FormData formData, final AsyncCallback<Factory> callback) { final String requestUrl = apiTemplate.saveFactory(); final XMLHttpRequest xhr = XMLHttpRequest.create(); xhr.open(HTTPMethod.POST, requestUrl); xhr.setRequestHeader(ACCEPT, APPLICATION_JSON); xhr.setOnReadyStateChange(new ReadyStateChangeHandler() { @Override/*w w w . j ava 2 s. c om*/ public void onReadyStateChange(final XMLHttpRequest request) { if (request.getReadyState() == XMLHttpRequest.DONE) { if (request.getStatus() == Response.SC_OK) { request.clearOnReadyStateChange(); final String payLoad = request.getResponseText(); final Factory createdFactory = dtoFactory.createDtoFromJson(payLoad, Factory.class); if (createdFactory.getId() == null || createdFactory.getId().isEmpty()) { final ServiceError error = dtoFactory.createDtoFromJson(payLoad, ServiceError.class); callback.onFailure(new Exception(error.getMessage())); } else { callback.onSuccess(createdFactory); } } else { final Response response = new ResponseImpl(request); callback.onFailure(new ServerException(response)); } } } }); if (!sendFormData(xhr, formData)) { callback.onFailure(new Exception("Could not call service")); } }
From source file:com.google.speedtracer.client.SymbolServerController.java
License:Apache License
private void init() { Xhr.get(symbolManifestUrl.getUrl(), new XhrCallback() { public void onFail(XMLHttpRequest xhr) { // Let pending requests know that the manifest failed to load. for (PendingRequest request : pendingRequests) { request.callback.onSymbolsFetchFailed(ERROR_MANIFEST_NOT_LOADED); }/*from w w w . j a va 2 s .c o m*/ cancelPendingRequests(); SymbolServerService.unregisterSymbolServerController(mainResourceUrl); if (ClientConfig.isDebugMode()) { Logging.getLogger().logText("Fetching manifest " + symbolManifestUrl.getUrl() + " failed."); } } public void onSuccess(XMLHttpRequest xhr) { // TODO (jaimeyap): This needs to be validated... and we should handle // any parsing errors as well. try { SymbolServerController.this.symbolServerManifest = JSON.parse(xhr.getResponseText()).cast(); } catch (JSONParseException jpe) { if (ClientConfig.isDebugMode()) { Logging.getLogger().logText("Unable to parse manifest for " + symbolManifestUrl.getUrl()); } onFail(xhr); // Treat an invalid manifest like a network failure. return; } SymbolServerController.this.manifestLoaded = true; // Now service all the pending requests. while (!pendingRequests.isEmpty()) { serviceRequest(pendingRequests.remove(0)); } if (ClientConfig.isDebugMode()) { Logging.getLogger().logText("Manifest " + symbolManifestUrl.getUrl() + " loaded."); } } }); }
From source file:com.google.speedtracer.client.SymbolServerController.java
License:Apache License
private void serviceRequest(PendingRequest request) { assert manifestLoaded : "Manifest should be loaded"; final ResourceSymbolInfo resourceSymbolInfo = lookupEntryInManifest(request.resourceUrl); final Callback callback = request.callback; if (resourceSymbolInfo == null) { if (ClientConfig.isDebugMode()) { Logging.getLogger().logText("Resymbolization failed: No symbol info for " + request.resourceUrl); }//www.j a va 2s . c o m callback.onSymbolsFetchFailed(ERROR_SYMBOL_FETCH_FAIL); return; } final String symbolMapUrl = resourceSymbolInfo.getSymbolMapUrl(); JsSymbolMap symbolMap = get(symbolMapUrl); // We only want to request and parse for symbolMaps we havn't already // parsed. if (symbolMap == null) { // Create the XhrCallback to service this request. XhrCallback xhrCallback = new XhrCallback() { public void onFail(XMLHttpRequest xhr) { callback.onSymbolsFetchFailed(ERROR_SYMBOL_FETCH_FAIL); dequeuePendingXhrs(symbolMapUrl, xhr, false); if (ClientConfig.isDebugMode()) { Logging.getLogger().logText("Fetching symbol map: " + symbolMapUrl + " failed."); } } public void onSuccess(XMLHttpRequest xhr) { // Double check that another XHR didnt pull it down and parse it. JsSymbolMap fetchedSymbolMap = get(symbolMapUrl); if (fetchedSymbolMap == null) { fetchedSymbolMap = JsSymbolMap.parse(resourceSymbolInfo.getSourceServer(), resourceSymbolInfo.getSourceViewerServer(), resourceSymbolInfo.getType(), xhr.getResponseText()); put(symbolMapUrl, fetchedSymbolMap); } callback.onSymbolsReady(fetchedSymbolMap); dequeuePendingXhrs(symbolMapUrl, xhr, true); if (ClientConfig.isDebugMode()) { Logging.getLogger().logText("Fetched symbol map: " + symbolMapUrl); } } private void dequeuePendingXhrs(String symbolMapUrl, XMLHttpRequest xhr, boolean success) { List<XhrCallback> callbacks = queuedSymbolMapRequests.get(symbolMapUrl); if (callbacks != null) { while (!callbacks.isEmpty()) { XhrCallback callback = callbacks.remove(0); if (success) { callback.onSuccess(xhr); } else { callback.onFail(xhr); } } } } }; // Check to see if we have a request in flight. List<XhrCallback> requestCallbacks = queuedSymbolMapRequests.get(symbolMapUrl); if (requestCallbacks == null) { // Make an entry indicating a request is in flight. queuedSymbolMapRequests.put(symbolMapUrl, new ArrayList<XhrCallback>()); if (ClientConfig.isDebugMode()) { Logging.getLogger().logText( "Fetching symbol map URL: " + symbolManifestUrl.getResourceBase() + symbolMapUrl); } Xhr.get(symbolManifestUrl.getResourceBase() + symbolMapUrl, xhrCallback); } else { // There are pending XHRs out. Which means that we should just queue // this request. requestCallbacks.add(xhrCallback); } } else { // We have already fetched this and parsed it before. Send it to the // callback. callback.onSymbolsReady(symbolMap); } }
From source file:com.googlecode.gwtquake.client.GwtResourceLoaderImpl.java
License:Open Source License
public void loadResourceAsync(final String path, final ResourceLoader.Callback callback) { XMLHttpRequest req = XMLHttpRequest.create(); final Exception e = new Exception(); final int mySequenceNumber = freeSequenceNumber++; req.setOnReadyStateChange(new ReadyStateChangeHandler() { boolean receivingMsg; public void onReadyStateChange(final XMLHttpRequest xhr) { if (xhr.getReadyState() == 3 && !receivingMsg) { Com.Printf("Receiving #" + mySequenceNumber + ": " + path + "\n"); receivingMsg = true;/*from ww w .jav a2 s .com*/ } else if (xhr.getReadyState() == 4) { if (mySequenceNumber < ignoreSequenceNumbersBelow) { Com.Printf("Ignoring outdated response #" + mySequenceNumber + ": " + path + "\n"); } else { String response; if (xhr.getStatus() != 200) { Com.Printf("Failed to load file #" + mySequenceNumber + ": " + path + " status: " + xhr.getStatus() + "/" + xhr.getStatusText() + "\n"); ResourceLoader.fail(new IOException("status = " + xhr.getStatus())); response = null; } else { response = xhr.getResponseText(); Com.Printf("Received response #" + mySequenceNumber + ": " + path + "\r"); } readyList.add(0, new ResponseHandler(mySequenceNumber, callback, response)); if (mySequenceNumber == currentSequenceNumber) { processReadyList(); } } } } }); Com.Printf("Requesting: " + path + "\n"); overrideMimeType(req, "text/plain; charset=x-user-defined"); req.open("GET", "/baseq2/" + path); req.send(); }
From source file:forplay.html.HtmlAssetManager.java
License:Apache License
private void doXhr(final String fullPath, final ResourceCallback<String> callback) { XMLHttpRequest xhr = XMLHttpRequest.create(); xhr.setOnReadyStateChange(new ReadyStateChangeHandler() { @Override//from ww w .j ava 2 s .c om public void onReadyStateChange(XMLHttpRequest xhr) { int readyState = xhr.getReadyState(); if (readyState == XMLHttpRequest.DONE) { int status = xhr.getStatus(); // status code 0 will be returned for non-http requests, e.g. file:// if (status != 0 && (status < 200 || status >= 400)) { ForPlay.log().error("xhr::onReadyStateChange[" + fullPath + "](readyState = " + readyState + "; status = " + status + ")"); callback.error( new RuntimeException("Error getting " + fullPath + " : " + xhr.getStatusText())); } else { if (LOG_XHR_SUCCESS) { ForPlay.log().debug("xhr::onReadyStateChange[" + fullPath + "](readyState = " + readyState + "; status = " + status + ")"); } callback.done(xhr.getResponseText()); } } } }); if (LOG_XHR_SUCCESS) { ForPlay.log().debug("xhr.open('GET', '" + fullPath + "')..."); } xhr.open("GET", fullPath); if (LOG_XHR_SUCCESS) { ForPlay.log().debug("xhr.send()..."); } xhr.send(); }
From source file:forplay.html.HtmlNet.java
License:Apache License
public void get(String url, final Callback callback) { try {//from w ww . j av a2 s .co m XMLHttpRequest xhr = XMLHttpRequest.create(); xhr.open("GET", url); xhr.setOnReadyStateChange(new ReadyStateChangeHandler() { @Override public void onReadyStateChange(XMLHttpRequest xhr) { if (xhr.getReadyState() == XMLHttpRequest.DONE) { if (xhr.getStatus() >= 400) { callback.failure(new RuntimeException("Bad HTTP status code: " + xhr.getStatus())); } else { callback.success(xhr.getResponseText()); } } } }); xhr.send(); } catch (Exception e) { callback.failure(e); } }
From source file:forplay.html.HtmlNet.java
License:Apache License
public void post(String url, String data, final Callback callback) { try {//from w w w . j av a 2 s. c o m XMLHttpRequest xhr = XMLHttpRequest.create(); xhr.open("POST", url); xhr.setOnReadyStateChange(new ReadyStateChangeHandler() { @Override public void onReadyStateChange(XMLHttpRequest xhr) { if (xhr.getReadyState() == XMLHttpRequest.DONE) { if (xhr.getStatus() >= 400) { callback.failure(new RuntimeException("Bad HTTP status code: " + xhr.getStatus())); } else { callback.success(xhr.getResponseText()); } } } }); xhr.send(data); } catch (Exception e) { callback.failure(e); } }
From source file:io.reinert.requestor.RequestDispatcherImpl.java
License:Apache License
private <D> RequestCallback getRequestCallback(final Request request, final XMLHttpRequest xhr, final Deferred<D> deferred, final Class<D> resolveType, final Class<?> parametrizedType) { return new RequestCallback() { public void onResponseReceived(com.google.gwt.http.client.Request gwtRequest, com.google.gwt.http.client.Response gwtResponse) { final String responseType = xhr.getResponseType(); final Payload payload = responseType.isEmpty() || responseType.equalsIgnoreCase("text") ? new Payload(xhr.getResponseText()) : new Payload(xhr.getResponse()); final RawResponseImpl response = new RawResponseImpl(gwtResponse.getStatusCode(), gwtResponse.getStatusText(), new Headers(gwtResponse.getHeaders()), ResponseType.of(responseType), payload); evalResponse(request, deferred, resolveType, parametrizedType, response); }/*w ww . j ava 2s . c o m*/ public void onError(com.google.gwt.http.client.Request gwtRequest, Throwable exception) { if (exception instanceof com.google.gwt.http.client.RequestTimeoutException) { // reject as timeout com.google.gwt.http.client.RequestTimeoutException e = (com.google.gwt.http.client.RequestTimeoutException) exception; deferred.reject(new RequestTimeoutException(request, e.getTimeoutMillis())); } else { // reject as generic request exception deferred.reject(new RequestException(exception)); } } }; }