Example usage for com.google.gwt.xhr.client XMLHttpRequest LOADING

Introduction

In this page you can find the example usage for com.google.gwt.xhr.client XMLHttpRequest LOADING.

Prototype

int LOADING

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Document

The LOADING state is the state of the object when the response entity body is being received.

Usage

From source file:com.gwtpro.html5.fileapi.client.upload.UploadRequest.java

License:Apache License

/**
 * Returns true if this request is waiting for a response.
 * /*from w ww . j av a  2s . co  m*/
 * @return true if this request is waiting for a response
 */
public boolean isPending() {
    if (this.xmlHttpRequest == null) {
        return false;
    }
    int readyState = this.xmlHttpRequest.getReadyState();
    switch (readyState) {
    case XMLHttpRequest.OPENED:
    case XMLHttpRequest.HEADERS_RECEIVED:
    case XMLHttpRequest.LOADING:
        return true;
    }
    return false;
}

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From source file:net.zschech.gwt.comet.client.impl.HTTPRequestCometTransport.java

License:Apache License

@Override
public void connect(int connectionCount) {
    super.connect(connectionCount);
    read = 0;/*w w  w . j  a  v  a2  s .  c o m*/

    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:
                        onReceiving(request.getStatus(), request.getResponseText());
                        break;
                    case XMLHttpRequest.DONE:
                        onLoaded(request.getStatus(), request.getResponseText());
                        break;
                    }
                }
            }
        });
        xmlHttpRequest.send();
    } catch (JavaScriptException e) {
        xmlHttpRequest = null;
        listener.onError(new RequestException(e.getMessage()), false);
    }
}

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From source file:org.atmosphere.gwt.client.impl.HTTPRequestCometTransport.java

License:Apache License

@Override
public void connect(int connectionCount) {
    init();/*from  w w  w  .  j a v  a  2 s .c o m*/
    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 (!aborted) {
                    switch (request.getReadyState()) {
                    case XMLHttpRequest.LOADING:
                        onReceiving(request.getStatus(), request.getResponseText());
                        if (needPolling()) {
                            pollingTimer.scheduleRepeating(POLLING_INTERVAL);
                        }
                        break;
                    case XMLHttpRequest.DONE:
                        onLoaded(request.getStatus(), request.getResponseText());
                        pollingTimer.cancel();
                        break;
                    }
                } else {
                    request.clearOnReadyStateChange();
                    if (request.getReadyState() != XMLHttpRequest.DONE) {
                        request.abort();
                    }
                }
            }
        });
        xmlHttpRequest.send();
    } catch (JavaScriptException e) {
        if (xmlHttpRequest != null) {
            xmlHttpRequest.abort();
            xmlHttpRequest = null;
        }
        listener.onError(new RequestException(e.getMessage()), false);
    }
}

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