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

Introduction

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

Prototype

public abstract int getStatus();

Source Link

Document

Gets the status code.

Usage

From source file:net.npe.image.util.gwt.GwtImageReader.java

License:MIT License

public static void read(final String url, final PixelImageRequestHandler handler) {
    XMLHttpRequest xhr = XMLHttpRequest.create();
    xhr.setResponseType(ResponseType.ArrayBuffer);
    xhr.setOnReadyStateChange(new ReadyStateChangeHandler() {
        @Override/*www.j  a  v  a 2s. co  m*/
        public void onReadyStateChange(XMLHttpRequest xhr) {
            if (xhr.getReadyState() == XMLHttpRequest.DONE) {
                if (xhr.getStatus() >= 400) {
                    handler.onFailure(xhr.getStatusText());
                } else {
                    ImageType type = ImageReader.getImageType(url);
                    if (type != null) {
                        ArrayBuffer arrayBuffer = xhr.getResponseArrayBuffer();
                        try {
                            PixelImage image = read(arrayBuffer, type);
                            handler.onSuccess(image);
                        } catch (Exception e) {
                            e.printStackTrace();
                        }
                    } else {
                        handler.onFailure("Unsupport image format: " + url);
                    }
                }
            }
        }
    });
    xhr.open("GET", url);
}

---

From source file:net.npe.image.util.gwt.GwtImageReader.java

License:MIT License

public static void createCanvas(final String url, final CanvasRequestHandler handler) {
    XMLHttpRequest xhr = XMLHttpRequest.create();
    xhr.setResponseType(ResponseType.ArrayBuffer);
    xhr.setOnReadyStateChange(new ReadyStateChangeHandler() {
        @Override/* www. j  a  va  2 s .  c o  m*/
        public void onReadyStateChange(XMLHttpRequest xhr) {
            if (xhr.getReadyState() == XMLHttpRequest.DONE) {
                if (xhr.getStatus() >= 400) {
                    handler.onFailure(xhr.getStatusText());
                } else {
                    ImageType type = ImageReader.getImageType(url);
                    if (type != null) {
                        ArrayBuffer arrayBuffer = xhr.getResponseArrayBuffer();
                        try {
                            Canvas canvas = createCanvas(arrayBuffer, type);
                            handler.onSuccess(canvas);
                        } catch (Exception e) {
                            e.printStackTrace();
                        }
                    } else {
                        handler.onFailure("Unsupport image format: " + url);
                    }
                }
            }
        }
    });
    xhr.open("GET", url);
}

---

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;/*from  w  w w . j ava  2 s.  co  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);
    }
}

---

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

License:Apache License

@Override
public void connect(int connectionCount) {
    init();/*from  w ww .j  a va 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);
    }
}

---

From source file:org.oscim.tiling.source.LwHttp.java

License:Open Source License

public void sendRequest(MapTile tile, final UrlTileDataSource dataSource) {

    String url = mTileSource.getTileUrl(tile);

    mHttpRequest = XMLHttpRequest.create();
    mHttpRequest.open("GET", url);
    mHttpRequest.setResponseType(ResponseType.ArrayBuffer);

    mResponseHandler = new ReadyStateChangeHandler() {

        @Override//  w ww.j  a  va 2 s .  c  om
        public void onReadyStateChange(XMLHttpRequest xhr) {
            int state = xhr.getReadyState();
            //log.debug(mCurrentUrl + "response " + status + "/" + state);

            if (state == XMLHttpRequest.DONE) {
                if (xhr.getStatus() == 200) {
                    Uint8Array buf = Uint8ArrayNative.create(xhr.getResponseArrayBuffer());
                    dataSource.process(new Buffer(buf));
                } else {
                    dataSource.process(null);
                }
                mHttpRequest = null;
            }
        }
    };

    mHttpRequest.setOnReadyStateChange(mResponseHandler);
    mHttpRequest.send();
}

---

From source file:org.parallax3d.parallax.platforms.gwt.preloader.AssetDownloader.java

License:Apache License

public void loadText(String url, final FileListener<String> listener) {
    XMLHttpRequest request = XMLHttpRequest.create();
    request.setOnReadyStateChange(new ReadyStateChangeHandler() {
        @Override/*  w w  w. j  a  v a 2  s.com*/
        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:org.parallax3d.parallax.platforms.gwt.preloader.AssetDownloader.java

License:Apache License

public void loadBinary(final String url, final FileListener<Blob> listener) {
    XMLHttpRequest request = XMLHttpRequest.create();
    request.setOnReadyStateChange(new ReadyStateChangeHandler() {
        @Override//w w  w.  j a  va  2  s. com
        public void onReadyStateChange(XMLHttpRequest xhr) {
            if (xhr.getReadyState() == XMLHttpRequest.DONE) {
                if (xhr.getStatus() != 200) {
                    listener.onFailure();
                } else {
                    Int8Array data = TypedArrays.createInt8Array(xhr.getResponseArrayBuffer());
                    listener.onSuccess(new Blob(data));
                }
            }
        }
    });
    setOnProgress(request, listener);
    request.open("GET", url);
    request.setResponseType(ResponseType.ArrayBuffer);
    request.send();
}

---

From source file:playn.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  a v  a  2  s.  co  m
        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)) {
                    PlayN.log().error("xhr::onReadyStateChange[" + fullPath + "](readyState = " + readyState
                            + "; status = " + status + ")");
                    callback.error(
                            new RuntimeException("Error getting " + fullPath + " : " + xhr.getStatusText()));
                } else {
                    if (LOG_XHR_SUCCESS) {
                        PlayN.log().debug("xhr::onReadyStateChange[" + fullPath + "](readyState = " + readyState
                                + "; status = " + status + ")");
                    }
                    // TODO(fredsa): Remove try-catch and materialized exception once issue 6562 is fixed
                    // http://code.google.com/p/google-web-toolkit/issues/detail?id=6562
                    try {
                        callback.done(xhr.getResponseText());
                    } catch (JavaScriptException e) {
                        if (GWT.isProdMode()) {
                            throw e;
                        } else {
                            JavaScriptException materialized = new JavaScriptException(e.getName(),
                                    e.getDescription());
                            materialized.setStackTrace(e.getStackTrace());
                            throw materialized;
                        }
                    }
                }
            }
        }
    });

    if (LOG_XHR_SUCCESS) {
        PlayN.log().debug("xhr.open('GET', '" + fullPath + "')...");
    }
    xhr.open("GET", fullPath);

    if (LOG_XHR_SUCCESS) {
        PlayN.log().debug("xhr.send()...");
    }
    xhr.send();
}

---

From source file:playn.html.HtmlNet.java

License:Apache License

public void get(String url, final Callback<String> callback) {
    try {/*from  w w w  .j ava2  s .c  om*/
        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.onFailure(new RuntimeException("Bad HTTP status code: " + xhr.getStatus()));
                    } else {
                        callback.onSuccess(xhr.getResponseText());
                    }
                }
            }
        });
        xhr.send();
    } catch (Exception e) {
        callback.onFailure(e);
    }
}

---

From source file:playn.html.HtmlNet.java

License:Apache License

@Override
public void post(String url, String data, final Callback<String> callback) {
    try {//from  w  w  w  .  j a  v  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.onFailure(new RuntimeException("Bad HTTP status code: " + xhr.getStatus()));
                    } else {
                        callback.onSuccess(xhr.getResponseText());
                    }
                }
            }
        });
        xhr.send(data);
    } catch (Exception e) {
        callback.onFailure(e);
    }
}

---

• «
• 1
• 2
• 3
• »