Example usage for com.google.gwt.http.client RequestBuilder RequestBuilder

List of usage examples for com.google.gwt.http.client RequestBuilder RequestBuilder

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Introduction

In this page you can find the example usage for com.google.gwt.http.client RequestBuilder RequestBuilder.

Prototype

protected RequestBuilder(String httpMethod, String url)

Source Link

Document

Creates a builder using the parameters values for configuration.

Usage

From source file:com.epam.feel.client.ui.util.gwtupload.FixedUploader.java

License:Apache License

public void update() {
    try {/*from w  w w  .ja v  a2s .  c om*/
        if (waitingForResponse) {
            return;
        }
        waitingForResponse = true;
        // Using a reusable builder makes IE fail because it caches the response
        // So it's better to change the request path sending an additional random parameter
        RequestBuilder reqBuilder = new RequestBuilder(RequestBuilder.GET,
                composeURL("filename=" + fileInput.getName(), "c=" + requestsCounter++));
        reqBuilder.setTimeoutMillis(DEFAULT_AJAX_TIMEOUT);
        reqBuilder.sendRequest("get_status", onStatusReceivedCallback);
    } catch (RequestException e) {
        e.printStackTrace();
    }
}

From source file:com.epam.feel.client.ui.util.gwtupload.FixedUploader.java

License:Apache License

private void sendAjaxRequestToCancelCurrentUpload() throws RequestException {
    RequestBuilder reqBuilder = new RequestBuilder(RequestBuilder.GET, composeURL("cancel=true"));
    reqBuilder.sendRequest("cancel_upload", onCancelReceivedCallback);
}

From source file:com.epam.feel.client.ui.util.gwtupload.FixedUploader.java

License:Apache License

private void sendAjaxRequestToDeleteUploadedFile() throws RequestException {
    RequestBuilder reqBuilder = new RequestBuilder(RequestBuilder.GET, composeURL("remove=" + getInputName()));
    reqBuilder.sendRequest("remove_file", onDeleteFileCallback);
}

From source file:com.epam.feel.client.ui.util.gwtupload.FixedUploader.java

License:Apache License

/**
 * Sends a request to the server in order to get the blobstore path. When the response with the session comes, it
 * submits the form.//from   ww  w. j a  v a  2  s  .  com
 */
private void sendAjaxRequestToGetBlobstorePath() throws RequestException {
    RequestBuilder reqBuilder = new RequestBuilder(RequestBuilder.GET, getServletPath());// composeURL("blobstore=true"));
    reqBuilder.setTimeoutMillis(DEFAULT_AJAX_TIMEOUT);
    reqBuilder.sendRequest("blobstore", onBlobstoreReceivedCallback);
}

From source file:com.epam.feel.client.ui.util.gwtupload.FixedUploader.java

License:Apache License

/**
 * Sends a request to the server in order to get the session cookie, when the response with the session comes, it
 * submits the form. This is needed because this client application usually is part of static files, and the server
 * doesn't set the session until dynamic pages are requested. If we submit the form without a session, the server
 * creates a new one and send a cookie in the response, but the response with the cookie comes to the client at the
 * end of the request, and in the meanwhile the client needs to know the session in order to ask the server for the
 * upload status.// w  w  w  . j a v a 2  s. com
 */
private void sendAjaxRequestToValidateSession() throws RequestException {
    // Using a reusable builder makes IE fail
    RequestBuilder reqBuilder = new RequestBuilder(RequestBuilder.GET, composeURL("new_session=true"));
    reqBuilder.setTimeoutMillis(DEFAULT_AJAX_TIMEOUT);
    reqBuilder.sendRequest("create_session", onSessionReceivedCallback);
}

From source file:com.ephesoft.gxt.rv.client.layout.ReviewValidateLayout.java

License:Open Source License

public void onWindowClose() {

    final String batchInstanceIdentifier = ReviewValidateNavigator.getCurrentBatchInstanceIdentifier();
    if (!StringUtil.isNullOrEmpty(batchInstanceIdentifier)) {

        // following code was inserted to call a webservice to do cleanup and updateTime on RV screen close.
        RequestBuilder builder = new RequestBuilder(RequestBuilder.POST,
                StringUtil.concatenate(CoreCommonConstant.WINDOW_CLOSE_SERVICE_URL, batchInstanceIdentifier));
        final String postData = CoreCommonConstants.EMPTY_STRING;

        builder.setHeader(CoreCommonConstant.CONTENT_TYPE, CoreCommonConstant.MIME_TYPE);
        try {//  ww w  . j  av  a 2s . com
            builder.sendRequest(postData, new RequestCallback() {

                public void onError(Request request, Throwable exception) {
                    // code will never reach here, before that window will be closed.
                }

                public void onResponseReceived(Request request, Response response) {
                    // code will never reach here, before that window will be closed.
                }
            });
        } catch (com.google.gwt.http.client.RequestException e) {
            // UNReachable Code..
        }

    }

}

From source file:com.example.jumpnote.web.jsonrpc.gwt.JsonRpcGwtClient.java

License:Apache License

public void callBatch(final List<JsonRpcClient.Call> calls, final BatchCallback callback) {
    RequestBuilder builder = new RequestBuilder(RequestBuilder.POST, mRpcUrl);

    JSONObject requestJson = new JSONObject();
    JSONArray callsJson = new JSONArray();
    for (int i = 0; i < calls.size(); i++) {
        JsonRpcClient.Call call = calls.get(i);

        JSONObject callJson = new JSONObject();
        callJson.put("method", new JSONString(call.getMethodName()));

        if (call.getParams() != null) {
            JSONObject callParams = (JSONObject) call.getParams();
            for (String key : callParams.keySet()) {
                callJson.put(key, callParams.get(key));
            }//from w  w  w . j a  v  a 2 s. c o  m
        }

        callsJson.set(i, callJson);
    }

    requestJson.put("calls", callsJson);

    try {
        builder.sendRequest(requestJson.toString(), new RequestCallback() {
            public void onError(Request request, Throwable e) {
                callback.onError(-1, new JsonRpcException(-1, e.getMessage()));
            }

            public void onResponseReceived(Request request, Response response) {
                if (200 == response.getStatusCode()) {
                    JSONObject responseJson = JSONParser.parse(response.getText()).isObject();
                    JSONArray resultsJson = responseJson.get("results").isArray();
                    Object[] resultData = new Object[calls.size()];

                    for (int i = 0; i < calls.size(); i++) {
                        JSONObject result = resultsJson.get(i).isObject();
                        if (result.containsKey("error")) {
                            callback.onError(i,
                                    new JsonRpcException((int) result.get("error").isNumber().doubleValue(),
                                            calls.get(i).getMethodName(),
                                            result.get("message").isString().stringValue(), null));
                            resultData[i] = null;
                        } else {
                            resultData[i] = result.get("data");
                        }
                    }

                    callback.onData(resultData);
                } else {
                    callback.onError(-1, new JsonRpcException(-1,
                            "Received HTTP status code other than 200: " + response.getStatusText()));
                }
            }
        });
    } catch (RequestException e) {
        // Couldn't connect to server
        callback.onError(-1, new JsonRpcException(-1, e.getMessage()));
    }
}

From source file:com.extjs.gxt.samples.client.examples.grid.JsonGridExample.java

License:Open Source License

@Override
protected void onRender(Element parent, int index) {
    super.onRender(parent, index);
    setLayout(new FlowLayout(10));

    List<ColumnConfig> columns = new ArrayList<ColumnConfig>();
    columns.add(new ColumnConfig("Sender", "Sender", 100));
    columns.add(new ColumnConfig("Email", "Email", 165));
    columns.add(new ColumnConfig("Phone", "Phone", 100));
    columns.add(new ColumnConfig("State", "State", 50));
    columns.add(new ColumnConfig("Zip", "Zip Code", 65));

    // create the column model
    ColumnModel cm = new ColumnModel(columns);

    // defines the xml structure
    ModelType type = new ModelType();
    type.setRoot("records");
    type.addField("Sender", "name");
    type.addField("Email", "email");
    type.addField("Phone", "phone");
    type.addField("State", "state");
    type.addField("Zip", "zip");

    //Determine if Explorer or Example for JSON path
    String path = GWT.getHostPageBaseURL() + (Examples.isExplorer() ? "" : "../../") + "data/data.json";

    // use a http proxy to get the data
    RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, path);
    HttpProxy<String> proxy = new HttpProxy<String>(builder);

    // need a loader, proxy, and reader
    JsonLoadResultReader<ListLoadResult<ModelData>> reader = new JsonLoadResultReader<ListLoadResult<ModelData>>(
            type);//w  w  w.jav a  2s. co m

    final BaseListLoader<ListLoadResult<ModelData>> loader = new BaseListLoader<ListLoadResult<ModelData>>(
            proxy, reader);

    ListStore<ModelData> store = new ListStore<ModelData>(loader);
    final Grid<ModelData> grid = new Grid<ModelData>(store, cm);
    grid.setBorders(true);
    grid.setLoadMask(true);
    grid.getView().setEmptyText("Please hit the load button.");
    grid.setAutoExpandColumn("Sender");

    ContentPanel panel = new ContentPanel();
    panel.setFrame(true);
    panel.setCollapsible(true);
    panel.setAnimCollapse(false);
    panel.setButtonAlign(HorizontalAlignment.CENTER);
    panel.setIcon(Resources.ICONS.table());
    panel.setHeading("JSON Table Demo");
    panel.setLayout(new FitLayout());
    panel.add(grid);
    panel.setSize(575, 350);

    // add buttons
    Button load = new Button("Load JSON", new SelectionListener<ButtonEvent>() {
        public void componentSelected(ButtonEvent ce) {
            loader.load();
        }
    });

    panel.addButton(load);
    grid.getAriaSupport().setLabelledBy(panel.getHeader().getId() + "-label");
    add(panel);

}

From source file:com.extjs.gxt.samples.client.examples.grid.XmlGridExample.java

License:Open Source License

@Override
protected void onRender(Element parent, int index) {
    super.onRender(parent, index);
    setLayout(new FlowLayout(10));

    List<ColumnConfig> columns = new ArrayList<ColumnConfig>();
    columns.add(new ColumnConfig("Sender", "Sender", 100));
    columns.add(new ColumnConfig("Email", "Email", 165));
    columns.add(new ColumnConfig("Phone", "Phone", 100));
    columns.add(new ColumnConfig("State", "State", 50));
    columns.add(new ColumnConfig("Zip", "Zip Code", 65));

    // create the column model
    ColumnModel cm = new ColumnModel(columns);

    // defines the xml structure
    ModelType type = new ModelType();
    type.setRoot("records");
    type.setRecordName("record");
    type.addField("Sender", "Name");
    type.addField("Email");
    type.addField("Phone");
    type.addField("State");
    type.addField("Zip");

    // Determine if Explorer or Example for XML path
    String path = GWT.getHostPageBaseURL() + (Examples.isExplorer() ? "" : "../../") + "data/data.xml";

    // use a http proxy to get the data
    RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, path);
    HttpProxy<String> proxy = new HttpProxy<String>(builder);

    // need a loader, proxy, and reader
    XmlLoadResultReader<ListLoadResult<ModelData>> reader = new XmlLoadResultReader<ListLoadResult<ModelData>>(
            type);/* w ww. j  a  v  a 2s  . c o m*/

    final BaseListLoader<ListLoadResult<ModelData>> loader = new BaseListLoader<ListLoadResult<ModelData>>(
            proxy, reader);

    ListStore<ModelData> store = new ListStore<ModelData>(loader);
    final Grid<ModelData> grid = new Grid<ModelData>(store, cm);
    grid.setBorders(true);
    grid.setLoadMask(true);
    grid.getView().setEmptyText("Please hit the load button.");
    grid.setAutoExpandColumn("Sender");

    ContentPanel panel = new ContentPanel();
    panel.setFrame(true);
    panel.setCollapsible(true);
    panel.setAnimCollapse(false);
    panel.setButtonAlign(HorizontalAlignment.CENTER);
    panel.setIcon(Resources.ICONS.table());
    panel.setHeading("XML Table Demo");
    panel.setLayout(new FitLayout());
    panel.add(grid);
    panel.setSize(575, 350);

    // add buttons
    Button load = new Button("Load XML", new SelectionListener<ButtonEvent>() {
        public void componentSelected(ButtonEvent ce) {
            loader.load();
        }
    });

    panel.addButton(load);

    add(panel);

}

From source file:com.extjs.gxt.samples.client.examples.tabs.BasicTabExample.java

License:Open Source License

@Override
protected void onRender(Element parent, int pos) {
    super.onRender(parent, pos);
    VerticalPanel vp = new VerticalPanel();
    vp.setSpacing(10);/*from w ww .  ja v  a2 s.  c o m*/

    String txt = TestData.DUMMY_TEXT_SHORT;

    TabPanel folder = new TabPanel();
    folder.setWidth(450);
    folder.setAutoHeight(true);

    TabItem shortText = new TabItem("Short Text");
    shortText.addStyleName("pad-text");
    shortText.addText(txt);
    folder.add(shortText);

    TabItem longText = new TabItem("Long Text");
    longText.addStyleName("pad-text");
    longText.addText(txt + "<br>" + txt);
    folder.add(longText);

    TabPanel panel = new TabPanel();
    panel.setPlain(true);
    panel.setSize(450, 250);

    TabItem normal = new TabItem("Normal");
    normal.addStyleName("pad-text");
    normal.addText("Just a plain old tab");
    panel.add(normal);

    TabItem iconTab = new TabItem("Icon Tab");
    iconTab.setIcon(Resources.ICONS.table());
    iconTab.addStyleName("pad-text");
    iconTab.addText("Just a plain old tab with an icon");
    panel.add(iconTab);

    TabItem ajax1 = new TabItem("Ajax Tab");
    ajax1.setScrollMode(Scroll.AUTO);
    ajax1.addStyleName("pad-text");
    ajax1.setAutoLoad(new RequestBuilder(RequestBuilder.GET, GWT.getHostPageBaseURL() + "data/ajax1.html"));
    panel.add(ajax1);

    TabItem eventTab = new TabItem("Event Tab");
    eventTab.addListener(Events.Select, new Listener<ComponentEvent>() {
        public void handleEvent(ComponentEvent be) {
            Window.alert("Event Tab Was Selected");
        }
    });
    eventTab.addStyleName("pad-text");
    eventTab.addText("I am tab 4's content. I also have an event listener attached.");
    panel.add(eventTab);

    TabItem disabled = new TabItem("Disabled");
    disabled.setEnabled(false);
    panel.add(disabled);

    vp.add(folder);
    vp.add(panel);
    add(vp);
}