Examples of com.google.gwt.xhr.client.ReadyStateChangeHandler

com.google.gwt.xhr.client.ReadyStateChangeHandler
A ready-state callback for an {@Link XMLHttpRequest} object.

    request.send();
  }


  public void loadBinary (final String url, final AssetLoaderListener<Blob> listener) {
    XMLHttpRequest request = XMLHttpRequest.create();    
    request.setOnReadyStateChange(new ReadyStateChangeHandler() {
      @Override
      public void onReadyStateChange (XMLHttpRequest xhr) {
        if (xhr.getReadyState() == XMLHttpRequest.DONE) {
          if (xhr.getStatus() != 200) {
            listener.onFailure();

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    if (request.retryCount > 0) {
      // disable caching if we have to retry; one cause could be bad cache
      xhr.setRequestHeader("Cache-Control", "no-cache");
    }


    xhr.setOnReadyStateChange(new ReadyStateChangeHandler() {
      public void onReadyStateChange(XMLHttpRequest ignored) {
        if (xhr.getReadyState() == XMLHttpRequest.DONE) {
          xhr.clearOnReadyStateChange();
          if ((xhr.getStatus() == HTTP_STATUS_OK || xhr.getStatus() == HTTP_STATUS_NON_HTTP)
              && xhr.getResponseText() != null

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    setHeaders(xmlHttpRequest);


    final Request request = new Request(xmlHttpRequest, timeoutMillis, callback);


    // Must set the onreadystatechange handler before calling send().
    xmlHttpRequest.setOnReadyStateChange(new ReadyStateChangeHandler() {
      public void onReadyStateChange(XMLHttpRequest xhr) {
        if (xhr.getReadyState() == XMLHttpRequest.DONE) {
          xhr.clearOnReadyStateChange();
          request.fireOnResponseReceived(callback);
        }

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    xmlHttpRequest = XMLHttpRequest.create();
    try {
      xmlHttpRequest.open("GET", getUrl(connectionCount));
      xmlHttpRequest.setRequestHeader("Accept", "application/comet");
      xmlHttpRequest.setOnReadyStateChange(new ReadyStateChangeHandler() {
        @Override
        public void onReadyStateChange(XMLHttpRequest request) {
          if (!disconnecting) {
            switch (request.getReadyState()) {
            case XMLHttpRequest.LOADING:

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    xmlHttpRequest = XMLHttpRequest.create();
    try {
      xmlHttpRequest.open("GET", getUrl(connectionCount));
      xmlHttpRequest.setRequestHeader("Accept", "application/comet");
      xmlHttpRequest.setOnReadyStateChange(new ReadyStateChangeHandler() {
        @Override
        public void onReadyStateChange(XMLHttpRequest request) {
          if (!disconnecting) {
            switch (request.getReadyState()) {
            case XMLHttpRequest.LOADING:

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    if (request.retryCount > 0) {
      // disable caching if we have to retry; one cause could be bad cache
      xhr.setRequestHeader("Cache-Control", "no-cache");
    }


    xhr.setOnReadyStateChange(new ReadyStateChangeHandler() {
      public void onReadyStateChange(XMLHttpRequest ignored) {
        if (xhr.getReadyState() == XMLHttpRequest.DONE) {
          xhr.clearOnReadyStateChange();
          if ((xhr.getStatus() == HTTP_STATUS_OK || xhr.getStatus() == HTTP_STATUS_NON_HTTP)
              && xhr.getResponseText() != null

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