Example usage for com.google.gwt.json.client JSONValue isObject

List of usage examples for com.google.gwt.json.client JSONValue isObject

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Introduction

In this page you can find the example usage for com.google.gwt.json.client JSONValue isObject.

Prototype

public JSONObject isObject()

Source Link

Document

Returns non-null if this JSONValue is really a JSONObject.

Usage

From source file:org.opennms.features.gwt.snmpselect.list.client.rest.DefaultSnmpInterfaceRestService.java

License:Open Source License

protected List<SnmpCellListItem> parseJSONData(final String jsonString) {
    final List<SnmpCellListItem> cellList = new ArrayList<SnmpCellListItem>();
    final JSONValue value = JSONParser.parseStrict(jsonString);
    final JSONObject obj = value.isObject();
    final JSONArray arr = value.isArray();
    JsArray<SnmpCellListItem> jsArray = null;

    if (obj != null) {
        jsArray = createJsArray(obj.getJavaScriptObject());
    } else if (arr != null) {
        jsArray = createJsArray(arr.getJavaScriptObject());
    } else {//from  w  w w  . j av a2s  .  c o  m
        doLog(jsonString + " does not parse as an array or object!", value);
    }

    if (jsArray != null) {
        for (int i = 0; i < jsArray.length(); i++) {
            cellList.add(jsArray.get(i));
        }
    }

    return cellList;
}

From source file:org.opennms.features.node.list.gwt.client.NodeRestResponseMapper.java

License:Open Source License

public static List<IpInterface> createIpInterfaceData(String jsonString) {
    final List<IpInterface> ipIfaceList = new ArrayList<IpInterface>();
    final JSONValue value = JSONParser.parseStrict(jsonString);

    JSONObject obj = value.isObject();
    JSONArray arr = value.isArray();/*from  w ww .j  a  v a2s.  com*/
    JsArray<IpInterface> ipIfaces = null;
    if (obj != null) {
        ipIfaces = createIpInterfaceData(obj.getJavaScriptObject());
    } else if (arr != null) {
        ipIfaces = createIpInterfaceData(arr.getJavaScriptObject());
    } else {
        doLog(jsonString + " did not parse as an object or array!", value);
    }

    if (ipIfaces != null) {
        for (int i = 0; i < ipIfaces.length(); i++) {
            ipIfaceList.add(ipIfaces.get(i));
        }
    }
    doLog("ip interfaces:", ipIfaceList);
    return ipIfaceList;
}

From source file:org.opennms.features.node.list.gwt.client.NodeRestResponseMapper.java

License:Open Source License

public static List<PhysicalInterface> createSnmpInterfaceData(String jsonString) {
    final List<PhysicalInterface> physIfaceList = new ArrayList<PhysicalInterface>();
    final JSONValue value = JSONParser.parseStrict(jsonString);
    final JSONObject obj = value.isObject();
    final JSONArray arr = value.isArray();
    JsArray<PhysicalInterface> snmpIfaces = null;
    if (obj != null) {
        snmpIfaces = createSnmpInterfaceData(obj.getJavaScriptObject());
    } else if (arr != null) {
        snmpIfaces = createSnmpInterfaceData(arr.getJavaScriptObject());
    } else {/* w  w w  .j  av  a2s .  c om*/
        doLog(jsonString + " did not parse as an object or array!", value);
    }

    if (snmpIfaces != null) {
        for (int i = 0; i < snmpIfaces.length(); i++) {
            physIfaceList.add(snmpIfaces.get(i));
        }
    }

    doLog("physical interfaces:", physIfaceList);
    return physIfaceList;
}

From source file:org.openremote.modeler.client.gxtextends.NestedJsonLoadResultReader.java

License:Open Source License

@SuppressWarnings("unchecked")
@Override//from   ww  w. j a  v a 2s  . com
public D read(Object loadConfig, Object data) {
    JSONObject jsonRoot = null;
    if (data instanceof JavaScriptObject) {
        jsonRoot = new JSONObject((JavaScriptObject) data);
    } else {
        jsonRoot = (JSONObject) JSONParser.parse((String) data);
    }

    // You can specify root using dot separate. eg, vendors.vendor 
    String[] roots = myModelType.getRoot().split("\\.");
    JSONValue rootValue = null;
    JSONArray root = null;
    for (int i = 0; i < roots.length; i++) {
        rootValue = jsonRoot.get(roots[i]);
        if (i == roots.length - 1) {
            if (rootValue instanceof JSONObject) {
                root = new JSONArray();
                root.set(0, rootValue);
            } else {
                root = (JSONArray) rootValue;
            }
        } else {
            jsonRoot = (JSONObject) jsonRoot.get(roots[i]);
        }
    }

    int size = root.size();
    ArrayList<ModelData> models = new ArrayList<ModelData>();
    for (int i = 0; i < size; i++) {
        JSONObject obj = (JSONObject) root.get(i);
        ModelData model = newModelInstance();
        for (int j = 0; j < myModelType.getFieldCount(); j++) {
            DataField field = myModelType.getField(j);
            String name = field.getName();
            Class type = field.getType();
            String map = field.getMap() != null ? field.getMap() : field.getName();
            JSONValue value = obj.get(map);

            if (value == null) {
                continue;
            }
            if (value.isArray() != null) {
                // nothing
            } else if (value.isBoolean() != null) {
                model.set(name, value.isBoolean().booleanValue());
            } else if (value.isNumber() != null) {
                if (type != null) {
                    Double d = value.isNumber().doubleValue();
                    if (type.equals(Integer.class)) {
                        model.set(name, d.intValue());
                    } else if (type.equals(Long.class)) {
                        model.set(name, d.longValue());
                    } else if (type.equals(Float.class)) {
                        model.set(name, d.floatValue());
                    } else {
                        model.set(name, d);
                    }
                } else {
                    // convert no type number to string.
                    model.set(name, value.isNumber().toString());
                }
            } else if (value.isObject() != null) {
                // nothing
            } else if (value.isString() != null) {
                String s = value.isString().stringValue();
                if (type != null) {
                    if (type.equals(Date.class)) {
                        if (field.getFormat().equals("timestamp")) {
                            Date d = new Date(Long.parseLong(s) * 1000);
                            model.set(name, d);
                        } else {
                            DateTimeFormat format = DateTimeFormat.getFormat(field.getFormat());
                            Date d = format.parse(s);
                            model.set(name, d);
                        }
                    }
                } else {
                    model.set(name, s);
                }
            } else if (value.isNull() != null) {
                model.set(name, null);
            }
        }
        models.add(model);
    }
    int totalCount = models.size();
    if (myModelType.getTotalName() != null) {
        totalCount = getTotalCount(jsonRoot);
    }
    return (D) createReturnData(loadConfig, models, totalCount);
}

From source file:org.ow2.proactive_grid_cloud_portal.common.client.LoginPage.java

License:Open Source License

/**
 * @return the forms and widgets for plain login/password authentication
 */// w w w .j  av  a 2s.co m
private Layout getPlainAuth() {

    /* smartGWT forms don't allow simple multipart file upload,
     * so we use a smartGWT form for login/password/checkbox,
     * a pure GWT form for file upload, and upon submission,
     * put the fields from the first form as hidden fields of the
     * pure GWT form. It's a bit convoluted but like this we get
     * the pretty widgets and the nice features       */

    TextItem loginField = new TextItem("login", "User");
    loginField.setRequired(true);

    PasswordItem passwordField = new PasswordItem("password", "Password");
    passwordField.setRequired(true);

    final CheckboxItem moreField = new CheckboxItem("useSSH", "Use SSH private key");
    moreField.setValue(false);

    // smartGWT form: only used to input the data before filling the hidden fields
    // in the other form with it
    final DynamicForm form = new DynamicForm();
    form.setFields(loginField, passwordField, moreField);
    form.hideItem("useSSH");

    // pure GWT form for uploading, will be used to contact the servlet
    // even if no ssh key is used
    final FileUpload fileUpload = new FileUpload();
    fileUpload.setName("sshkey");
    final Hidden hiddenUser = new Hidden("username");
    final Hidden hiddenPass = new Hidden("password");
    final FormPanel formPanel = new FormPanel();
    formPanel.setEncoding(FormPanel.ENCODING_MULTIPART);
    formPanel.setMethod(FormPanel.METHOD_POST);
    formPanel.setAction(GWT.getModuleBaseURL() + "login");
    final VerticalPanel vpan = new VerticalPanel();
    vpan.add(hiddenUser);
    vpan.add(hiddenPass);
    vpan.add(fileUpload);
    formPanel.setWidget(vpan);
    formPanel.setWidth("100%");
    formPanel.setHeight("30px");
    final HLayout formWrapper = new HLayout();
    formWrapper.setAlign(Alignment.CENTER);
    formWrapper.addChild(formPanel);
    formWrapper.setWidth100();
    formWrapper.addDrawHandler(new DrawHandler() {
        public void onDraw(DrawEvent event) {
            // took me half a day to find this hack:
            // if the form is added to the page in a hidden element,
            // it is never created and submission fails without callback.
            // it needs to be visible so that it is created once, then
            // we can safely hide it and still use it
            if (disableFormWrapper) {
                disableFormWrapper = false;
                formWrapper.setVisible(false);
            }
        }
    });

    // hide/show the ssh key upload input
    moreField.addChangedHandler(new ChangedHandler() {
        public void onChanged(ChangedEvent event) {
            if (moreField.getValueAsBoolean()) {
                //formWrapper.setVisible(true);
                formWrapper.animateShow(AnimationEffect.FLY);
            } else {
                //formWrapper.setVisible(false);
                formWrapper.animateHide(AnimationEffect.FLY);
                formPanel.reset();
            }
        }
    });
    // prevent form validation if no ssh key is selected
    Validator moreVal = new CustomValidator() {
        @Override
        protected boolean condition(Object value) {
            if (moreField.getValueAsBoolean()) {
                String file = fileUpload.getFilename();
                return (file != null && file.length() > 0);
            } else {
                return true;
            }
        }
    };
    moreVal.setErrorMessage("No file selected");
    moreField.setValidators(moreVal);

    final Runnable advancedVisibilityChanged = new Runnable() {
        @Override
        public void run() {
            if (!moreField.getVisible()) {
                authSelLayout.setVisible(true);
                form.showItem("useSSH");
                optsLabel.setIcon(Images.instance.close_16().getSafeUri().asString());
                optsLabel.setContents(
                        "<nobr style='color:#003168;font-size: 1.2em;" + "cursor:pointer'>less options</nobr>");
            } else {
                authTypeSelectForm.setValue("Mode", "Basic");
                switchPlainCredForm.run();
                authSelLayout.setVisible(false);
                form.hideItem("useSSH");
                formWrapper.animateHide(AnimationEffect.FLY);
                moreField.setValue(false);
                formPanel.reset();
                optsLabel.setIcon(Images.instance.expand_16().getSafeUri().asString());
                optsLabel.setContents(
                        "<nobr style='color:#003168;font-size: 1.2em;" + "cursor:pointer'>more options</nobr>");
            }
        }
    };
    optsLabel.addClickHandler(new ClickHandler() {
        @Override
        public void onClick(ClickEvent event) {
            advancedVisibilityChanged.run();
        }
    });

    String cacheLogin = Settings.get().getSetting(controller.getLoginSettingKey());
    if (cacheLogin != null) {
        form.setValue("login", cacheLogin);
    }

    final IButton okButton = new IButton();
    okButton.setShowDisabled(false);
    okButton.setIcon(Images.instance.connect_16().getSafeUri().asString());
    okButton.setTitle("Connect");
    okButton.setWidth(120);
    okButton.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent event) {
            if (!form.validate())
                return;

            String login = form.getValueAsString("login");
            String pw = form.getValueAsString("password");
            hiddenUser.setValue(login);
            hiddenPass.setValue(pw);

            okButton.setIcon("loading.gif");
            okButton.setTitle("Connecting...");
            form.disable();
            formWrapper.disable();

            authTypeSelectForm.disable();
            okButton.disable();

            // only submit once the the error message is hidden so we don't try to show it (on form response)
            // while the effect is played resulting in the message hidden staying hidden
            if (errorLabel.isDrawn() && errorLabel.isVisible()) {
                errorLabel.animateHide(AnimationEffect.FLY, new AnimationCallback() {
                    @Override
                    public void execute(boolean earlyFinish) {
                        formPanel.submit();
                    }
                });
            } else {
                formPanel.submit();
            }
        }
    });

    formPanel.addSubmitCompleteHandler(new SubmitCompleteHandler() {
        public void onSubmitComplete(SubmitCompleteEvent event) {
            String res = new HTML(event.getResults()).getText();
            boolean fail = false;
            try {
                JSONValue val = controller.parseJSON(res);
                JSONObject obj = val.isObject();
                if (obj != null && obj.containsKey("sessionId")) {
                    String sess = obj.isObject().get("sessionId").isString().stringValue();
                    controller.login(sess, form.getValueAsString("login"));
                } else {
                    fail = true;
                }
            } catch (Throwable t) {
                fail = true;
            }

            if (fail) {
                String err = JSONUtils.getJsonErrorMessage(res);
                int sta = JSONUtils.getJsonErrorCode(res);
                if (sta != -1)
                    err += " (" + sta + ")";
                errorLabel.setContents("<span style='color:red;'>Could not login: " + err + "</span>");
                errorLabel.animateShow(AnimationEffect.FLY);

                okButton.setIcon(Images.instance.connect_16().getSafeUri().asString());
                okButton.setTitle("Connect");
                formWrapper.enable();
                form.enable();
                authTypeSelectForm.enable();
                okButton.enable();
            }
        }
    });

    form.addItemKeyPressHandler(new ItemKeyPressHandler() {
        public void onItemKeyPress(ItemKeyPressEvent event) {
            if ("Enter".equals(event.getKeyName())) {
                okButton.fireEvent(new ClickEvent(null));
            }
        }
    });

    Layout formLayout = new VLayout();
    formLayout.setWidth100();
    formLayout.setMembersMargin(10);
    formLayout.addMember(form);
    formLayout.addMember(formWrapper);

    HLayout buttonBar = new HLayout();
    buttonBar.setWidth100();
    buttonBar.setAlign(Alignment.CENTER);
    buttonBar.addMember(okButton);
    formLayout.addMember(buttonBar);

    return formLayout;
}

From source file:org.ow2.proactive_grid_cloud_portal.common.client.LoginPage.java

License:Open Source License

/**
 * @return the forms and widgets for credentials authentication
 *///from   www .ja  v  a  2  s.  c  om
private Layout getCredAuth() {
    final FileUpload fileUpload = new FileUpload();
    fileUpload.setName("credential");

    // actual form      
    final FormPanel formPanel = new FormPanel();
    formPanel.setEncoding(FormPanel.ENCODING_MULTIPART);
    formPanel.setMethod(FormPanel.METHOD_POST);
    formPanel.setAction(GWT.getModuleBaseURL() + "login");
    formPanel.add(fileUpload);
    formPanel.setWidth("100%");
    formPanel.setHeight("30px");

    // wraps the GWT component so that we may show/hide it
    final VLayout formWrapper = new VLayout();
    formWrapper.setAlign(Alignment.CENTER);
    formWrapper.addMember(formPanel);
    formWrapper.setWidth100();
    formWrapper.setMargin(10);

    final IButton okButton = new IButton();
    okButton.setShowDisabled(false);
    okButton.setIcon(Images.instance.connect_16().getSafeUri().asString());
    okButton.setTitle("Connect");
    okButton.setWidth(120);
    okButton.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent event) {
            errorLabel.animateHide(AnimationEffect.FLY);

            okButton.setIcon("loading.gif");
            okButton.setTitle("Connecting...");
            formWrapper.disable();
            authTypeSelectForm.disable();
            okButton.disable();

            // submits the form to LoginServlet
            formPanel.submit();
        }
    });

    formPanel.addSubmitCompleteHandler(new SubmitCompleteHandler() {
        public void onSubmitComplete(SubmitCompleteEvent event) {
            String res = event.getResults();
            boolean fail = false;
            try {
                JSONValue val = controller.parseJSON(res);
                JSONObject obj = val.isObject();
                if (obj != null && obj.containsKey("sessionId")) {
                    String sess = obj.isObject().get("sessionId").isString().stringValue();
                    controller.login(sess, null);
                } else {
                    fail = true;
                }
            } catch (Throwable t) {
                fail = true;
            }

            if (fail) {
                String err = JSONUtils.getJsonErrorMessage(res);
                errorLabel.setContents("<span style='color:red;'>Could not login: " + err + "</span>");
                errorLabel.animateShow(AnimationEffect.FLY);

                okButton.setIcon(Images.instance.connect_16().getSafeUri().asString());
                okButton.setTitle("Connect");
                formWrapper.enable();
                authTypeSelectForm.enable();
                okButton.enable();
            }
        }
    });
    Label createCred = new Label(
            "<nobr style='color:#003168;font-size: 1.2em;cursor:pointer'>" + "Create credentials</nobr>");
    createCred.setHeight(20);
    createCred.setAlign(Alignment.CENTER);
    createCred.setIcon(Images.instance.key_16().getSafeUri().asString());
    createCred.addClickHandler(new ClickHandler() {
        @Override
        public void onClick(ClickEvent event) {
            CredentialsWindow win = new CredentialsWindow();
            win.show();
        }
    });

    formWrapper.addMember(createCred);

    Layout formLayout = new VLayout();
    formLayout.setWidth100();
    formLayout.setMembersMargin(10);
    formLayout.addMember(formWrapper);

    HLayout buttonBar = new HLayout();
    buttonBar.setWidth100();
    buttonBar.setAlign(Alignment.CENTER);
    buttonBar.addMember(okButton);
    formLayout.addMember(buttonBar);

    return formLayout;
}

From source file:org.ow2.proactive_grid_cloud_portal.rm.client.monitoring.charts.MBeanChart.java

License:Open Source License

public void processHistoryResult(String result) {

    // removing internal escaping
    result = result.replace("\\\"", "\"");
    result = result.replace("\"{", "{");
    result = result.replace("}\"", "}");

    JSONValue resultVal = controller.parseJSON(result);
    JSONObject json = resultVal.isObject();

    if (json == null) {
        return;// w  w w.j a v  a  2  s. c o  m
    }

    loadTable.removeRows(0, loadTable.getNumberOfRows());
    long now = new Date().getTime() / 1000;
    long dur = timeRange.getDuration();
    long size = getJsonInternalSize(json);
    long step = dur / size;

    for (int i = 0; i < size; i++) {

        double[] slice = getJsonSlice(json, i);
        long t = now - dur + step * i;
        DateTimeFormat.PredefinedFormat format = timeRange.getFormat();
        String timeStamp = DateTimeFormat.getFormat(format).format(new Date(t * 1000));

        loadTable.addRow();
        loadTable.setValue(i, 0, timeStamp);

        for (int sliceIndex = 0; sliceIndex < slice.length; sliceIndex++) {
            loadTable.setValue(i, sliceIndex + 1, formatValue(slice[sliceIndex]));
        }
    }

    loadChart.draw(loadTable, loadOpts);
}

From source file:org.ow2.proactive_grid_cloud_portal.rm.client.monitoring.charts.MBeanSourceDetailedView.java

License:Open Source License

public void reload() {
    DetailViewerField[] fields = new DetailViewerField[attrs.size()];

    for (int i = 0; i < fields.length; i++) {
        fields[i] = new DetailViewerField(attrs.get(i));
    }// ww  w. j av  a2  s. c o  m

    setFields(fields);

    final RMServiceAsync rm = controller.getRMService();
    final RMModel model = controller.getModel();
    final long t = System.currentTimeMillis();

    final LoginModel loginModel = LoginModel.getInstance();

    // loading runtime info
    rm.getNodeMBeanInfo(loginModel.getSessionId(), jmxServerUrl, mbean, attrs, new AsyncCallback<String>() {
        public void onSuccess(String result) {

            if (extraCallback != null) {
                extraCallback.onSuccess(result);
            }

            if (!loginModel.isLoggedIn())
                return;

            LogModel.getInstance()
                    .logMessage("Fetched JVM Runtime info in " + (System.currentTimeMillis() - t) + "ms");
            JSONArray array = controller.parseJSON(result).isArray();
            if (array != null) {
                DetailViewerRecord dv = new DetailViewerRecord();
                for (int i = 0; i < array.size(); i++) {
                    try {
                        JSONObject property = array.get(i).isObject();
                        String name = property.get("name").isString().stringValue();
                        JSONValue value = property.get("value");
                        String valueStr = "";

                        if (value.isString() != null) {
                            valueStr = value.isString().stringValue();
                        } else if (value.isNumber() != null) {
                            valueStr = value.isNumber().toString();
                        } else if (value.isArray() != null) {
                            JSONArray values = value.isArray();
                            for (int j = 0; j < values.size(); j++)
                                valueStr += values.get(j).isString().stringValue() + " ";
                        } else if (value.isObject() != null) {
                            valueStr = value.toString();
                        } else {
                            valueStr = value.toString();
                        }

                        dv.setAttribute(name, valueStr);
                    } catch (Exception e) {
                        // ignore it
                    }
                }
                setData(new DetailViewerRecord[] { dv });
            }

        }

        public void onFailure(Throwable caught) {
            if (extraCallback != null) {
                String errmessage = caught.getMessage();
                if (caught instanceof RestServerException
                        && errmessage.contains(MonitoringSourceView.NO_MONITORING_INFO_EXCEPTION_STRING)) {
                    extraCallback
                            .onFailure(new Exception("Node Source monitoring information " + "not available."));
                } else if (caught instanceof RestServerException
                        && errmessage.contains(MonitoringSourceView.ACCESS_DENIED_EXCEPTION_STRING)) {
                    extraCallback.onFailure(new Exception(
                            "The current user is not authorized to get Node Source monitoring information. "));
                } else {
                    extraCallback.onFailure(caught);
                }
            }

            if (JSONUtils.getJsonErrorCode(caught) == 401) {
                LogModel.getInstance().logMessage("You have been disconnected from the server.");
            }
        }
    });
}

From source file:org.ow2.proactive_grid_cloud_portal.rm.client.monitoring.charts.NetworkAreaChart.java

License:Open Source License

public void processHistoryResult(String result) {

    // removing internal escaping
    result = result.replace("\\\"", "\"");
    result = result.replace("\"{", "{");
    result = result.replace("}\"", "}");

    JSONValue resultVal = controller.parseJSON(result);
    JSONObject json = resultVal.isObject();

    if (json == null) {
        return;// ww w. j a v  a  2 s.  co  m
    }

    loadTable.removeRows(0, loadTable.getNumberOfRows());
    long now = new Date().getTime() / 1000;
    long dur = timeRange.getDuration();
    int size = getJsonInternalSize(json);
    long step = dur / size;

    for (int i = 1; i < size; i++) {

        double[] slice = getJsonSlice(json, i);

        if (i == 1) {
            time = new long[slice.length];
            txBytes = new long[slice.length];
        }

        long t = now - dur + step * (i - 1);
        String timeStamp = DateTimeFormat.getFormat(PredefinedFormat.HOUR24_MINUTE).format(new Date(t * 1000));

        loadTable.addRow();
        loadTable.setValue(i - 1, 0, timeStamp);

        for (int j = 0; j < slice.length; j++) {
            long value = (long) slice[j];

            if (i > 1) {
                double bytePerSec = (value - txBytes[j]) / (t - time[j]);
                double kbPerSec = bytePerSec / 1024;

                if (kbPerSec < 0) {
                    // rx counter is reset
                    kbPerSec = 0;
                }

                loadTable.setValue(i - 1, j + 1, (long) kbPerSec);
            }

            txBytes[j] = value;
            time[j] = t;
        }
    }

    loadChart.draw(loadTable, loadOpts);
}

From source file:org.ow2.proactive_grid_cloud_portal.rm.client.monitoring.charts.NetworkDetailedAreaChart.java

License:Open Source License

public void processHistoryResult(String result) {

    // removing internal escaping
    result = result.replace("\\\"", "\"");
    result = result.replace("\"{", "{");
    result = result.replace("}\"", "}");

    JSONValue resultVal = controller.parseJSON(result);
    JSONObject json = resultVal.isObject();

    if (json == null) {
        return;/*from   w  w w  .  jav a  2 s  . c o m*/
    }

    loadTable.removeRows(0, loadTable.getNumberOfRows());
    long now = new Date().getTime() / 1000;
    long dur = timeRange.getDuration();
    int size = getJsonInternalSize(json);
    long step = dur / size;

    for (int i = 1; i < size; i++) {

        double[] slice = getJsonSlice(json, i);

        if (i == 1) {
            time = new long[slice.length];
            history = new long[slice.length];
        }

        long t = now - dur + step * (i - 1);
        String timeStamp = DateTimeFormat.getFormat(PredefinedFormat.HOUR24_MINUTE).format(new Date(t * 1000));

        loadTable.addRow();
        loadTable.setValue(i - 1, 0, timeStamp);

        for (int j = 0; j < slice.length; j++) {
            long value = (long) slice[j];

            if (i > 1) {
                double bytePerSec = (value - history[j]) / (t - time[j]);
                double kbPerSec = bytePerSec / 1024;

                if (kbPerSec < 0) {
                    // rx counter is reset
                    kbPerSec = 0;
                }

                loadTable.setValue(i - 1, j + 1, (long) kbPerSec);
            }

            history[j] = value;
            time[j] = t;
        }
    }

    loadChart.draw(loadTable, loadOpts);
}