Example usage for org.apache.commons.lang ArrayUtils EMPTY_OBJECT

Introduction

In this page you can find the example usage for org.apache.commons.lang ArrayUtils EMPTY_OBJECT_ARRAY.

Prototype

Object[] EMPTY_OBJECT_ARRAY

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An empty immutable Object array.

Usage

From source file:com.google.gdt.eclipse.designer.model.widgets.GwtHierarchyProvider.java

@Override
public Object[] getChildrenObjects(Object object) throws Exception {
    // com.google.gwt.user.cellview.client.CellTable
    if (isUserClass(object, "com.google.gwt.user.cellview.client.CellTable")) {
        List<?> columnList = CellTableInfo.getColumnObjects(object);
        return columnList.toArray(new Object[columnList.size()]);
    }//  ww w  .ja  va 2s .c  om
    // com.google.gwt.user.client.ui.IndexedPanel
    if (isUserClass(object, "com.google.gwt.user.client.ui.IndexedPanel")) {
        int widgetCount = (Integer) ReflectionUtils.invokeMethod(object, "getWidgetCount()");
        Object widgets[] = new Object[widgetCount];
        for (int i = 0; i < widgetCount; i++) {
            widgets[i] = ReflectionUtils.invokeMethod(object, "getWidget(int)", i);
        }
        return widgets;
    }
    // com.google.gwt.user.client.ui.IndexedPanel
    if (isUserClass(object, "com.google.gwt.user.client.ui.Composite")) {
        Object widget = ReflectionUtils.invokeMethod(object, "getWidget()");
        if (widget != null) {
            return new Object[] { widget };
        }
    }
    // com.google.gwt.user.client.Element
    if (isUserClass(object, "com.google.gwt.user.client.Element")) {
        Class<?> domClass = getEditorLoader().loadClass("com.google.gwt.user.client.DOM");
        int childCount = (Integer) ReflectionUtils.invokeMethod(domClass,
                "getChildCount(com.google.gwt.user.client.Element)", object);
        Object children[] = new Object[childCount];
        for (int i = 0; i < childCount; i++) {
            children[i] = ReflectionUtils.invokeMethod(domClass,
                    "getChild(com.google.gwt.user.client.Element,int)", object, i);
        }
        return children;
    }
    // unknown
    return ArrayUtils.EMPTY_OBJECT_ARRAY;
}

From source file:com.google.gdt.eclipse.designer.model.property.ImagePrototypePropertyEditor.java

@Override
protected void openDialog(Property property) throws Exception {
    ElementTreeSelectionDialog selectionDialog;
    {/*from  www  .j  av a2s . c om*/
        selectionDialog = new ElementTreeSelectionDialog(m_parentShell, new LabelProvider() {
            @Override
            public Image getImage(Object element) {
                if (element instanceof ImageBundleInfo) {
                    return ObjectsLabelProvider.INSTANCE.getImage(element);
                }
                if (element instanceof ImageBundlePrototypeDescription) {
                    ImageBundlePrototypeDescription prototype = (ImageBundlePrototypeDescription) element;
                    return prototype.getIcon();
                }
                return null;
            }

            @Override
            public String getText(Object element) {
                if (element instanceof ImageBundleInfo) {
                    return ObjectsLabelProvider.INSTANCE.getText(element);
                }
                if (element instanceof ImageBundlePrototypeDescription) {
                    ImageBundlePrototypeDescription prototype = (ImageBundlePrototypeDescription) element;
                    return prototype.getMethod().getName() + "()";
                }
                return null;
            }
        }, new ITreeContentProvider() {
            public Object[] getElements(Object inputElement) {
                return ImageBundleContainerInfo.getBundles((JavaInfo) inputElement).toArray();
            }

            public Object[] getChildren(Object parentElement) {
                if (parentElement instanceof ImageBundleInfo) {
                    return ((ImageBundleInfo) parentElement).getPrototypes().toArray();
                }
                return ArrayUtils.EMPTY_OBJECT_ARRAY;
            }

            public Object getParent(Object element) {
                if (element instanceof ImageBundlePrototypeDescription) {
                    return ((ImageBundlePrototypeDescription) element).getBundle();
                }
                return null;
            }

            public boolean hasChildren(Object element) {
                return getChildren(element).length != 0;
            }

            public void dispose() {
            }

            public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
            }
        }) {
            @Override
            public void create() {
                super.create();
                getTreeViewer().expandAll();
            }

            @Override
            protected Control createDialogArea(Composite parent) {
                return super.createDialogArea(parent);
            }
        };
        // validator
        selectionDialog.setValidator(new ISelectionStatusValidator() {
            public IStatus validate(Object[] selection) {
                if (selection.length == 1 && selection[0] instanceof ImageBundlePrototypeDescription) {
                    return StatusUtils.OK_STATUS;
                } else {
                    return StatusUtils.ERROR_STATUS;
                }
            }
        });
        // configure
        selectionDialog.setAllowMultiple(false);
        selectionDialog.setTitle(property.getTitle());
        selectionDialog.setMessage("Select prototype:");
        // set input
        selectionDialog.setInput(m_rootJavaInfo);
        // set initial selection
        selectionDialog.setInitialSelection(property.getValue());
    }
    // open dialog
    if (selectionDialog.open() == Window.OK) {
        ImageBundlePrototypeDescription prototype = (ImageBundlePrototypeDescription) selectionDialog
                .getFirstResult();
        property.setValue(prototype);
    }
}

From source file:com.google.gdt.eclipse.designer.model.widgets.support.CssSupport.java

/**
 * @return <code>true</code> if one or more CSS files were modified (and schedules them for
 *         reloading with next refresh).
 *///from   w ww  .jav  a2s. co m
boolean isModified() {
    waitRequestSet.clear();
    waitApplySet.clear();
    boolean modified = false;
    // check CSS files
    boolean hasModifiedCSSFiles = false;
    for (Map.Entry<IFile, Long> entry : filesStampMap.entrySet()) {
        IFile file = entry.getKey();
        long storedStamp = entry.getValue();
        long fileStamp = file.getModificationStamp();
        if (fileStamp != storedStamp) {
            modified = true;
            filesStampMap.put(file, fileStamp);
            hasModifiedCSSFiles = true;
        }
    }
    // schedule CSS load waiting
    if (hasModifiedCSSFiles) {
        synchronized (waitRequestSet) {
            for (String resource : resources) {
                String waitRequestName = getWaitRequestName(resource);
                waitRequestSet.add(waitRequestName);
            }
        }
    }
    // if has modified CSS files, ask Browser for reload
    if (modified) {
        ExecutionUtils.runLog(new RunnableEx() {
            public void run() throws Exception {
                state.getHostModeSupport().invokeNativeVoid("__reload_css", ArrayUtils.EMPTY_CLASS_ARRAY,
                        ArrayUtils.EMPTY_OBJECT_ARRAY);
            }
        });
        waitFor();
    }
    // return final modification state
    return modified;
}

From source file:com.google.gdt.eclipse.designer.mobile.preferences.device.DevicesPreferencePage.java

/**
 * Creates {@link CheckboxTreeViewer} for categories/devices.
 *//*  w w w  .ja  v  a  2s.c  o m*/
private void createViewer(Composite parent) {
    m_viewer = new CheckboxTreeViewer(parent, SWT.BORDER | SWT.MULTI);
    GridDataFactory.create(m_viewer.getTree()).grab().fill().hintC(50, 20);
    // content provider
    m_viewer.setContentProvider(new ITreeContentProvider() {
        public Object[] getElements(Object inputElement) {
            return DeviceManager.getCategories().toArray();
        }

        public Object[] getChildren(Object parentElement) {
            if (parentElement instanceof CategoryInfo) {
                return ((CategoryInfo) parentElement).getDevices().toArray();
            }
            return ArrayUtils.EMPTY_OBJECT_ARRAY;
        }

        public boolean hasChildren(Object element) {
            return getChildren(element).length != 0;
        }

        public Object getParent(Object element) {
            if (element instanceof DeviceInfo) {
                return ((DeviceInfo) element).getCategory();
            }
            return null;
        }

        public void dispose() {
        }

        public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
        }
    });
    // label provider
    m_viewer.setLabelProvider(new LabelProvider() {
        @Override
        public Image getImage(Object element) {
            if (element instanceof CategoryInfo) {
                return IMAGE_CATEGORY;
            }
            return IMAGE_DEVICE;
        }

        @Override
        public String getText(Object element) {
            if (element instanceof CategoryInfo) {
                CategoryInfo category = (CategoryInfo) element;
                return category.getName();
            } else if (element instanceof DeviceInfo) {
                DeviceInfo device = (DeviceInfo) element;
                return device.getName() + "     -     " + device.getDisplayBounds().width + "x"
                        + device.getDisplayBounds().height;
            }
            return null;
        }
    });
    // set input
    m_viewer.setInput(this);
    refreshViewer();
    refreshViewChecks();
    // listeners
    m_viewer.addCheckStateListener(new ICheckStateListener() {
        public void checkStateChanged(CheckStateChangedEvent event) {
            AbstractDeviceInfo element = (AbstractDeviceInfo) event.getElement();
            commands_add(new ElementVisibilityCommand(element, event.getChecked()));
        }
    });
    m_viewer.addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            updateButtons();
            updatePreview();
        }
    });
    m_viewer.addDoubleClickListener(new IDoubleClickListener() {
        public void doubleClick(DoubleClickEvent event) {
            if (m_editButton.isEnabled()) {
                onEdit();
            }
        }
    });
    // DND
    configureDND();
}

From source file:net.navasoft.madcoin.backend.services.vo.request.SuccessRequestVOWrapper.java

/**
 * Gets the processing values./*ww w .  ja va  2  s . c o m*/
 * 
 * @param service
 *            the service
 * @since 27/07/2014, 06:49:08 PM
 */
@Override
public void processValues(IService service) {
    if (isValidService(service)) {
        for (ProcessedField annotatedField : getTarget(service)) {
            for (Method accessor : filterMethods()) {
                Annotation annot = accessor.getAnnotation(ProcessingField.class);
                if (annot != null) {
                    ProcessingField expectedReal = ((ProcessingField) annot);
                    if (!ArrayUtils.contains(alreadyProcessed, expectedReal.expectedVariable())) {
                        try {
                            if (validateProcessAnnotations(annotatedField, expectedReal)) {
                                Object requestValue = null;
                                switch (expectedReal.precedence()) {
                                case BASIC_OPTIONAL:
                                    requestValue = accessor.invoke(hidden, ArrayUtils.EMPTY_OBJECT_ARRAY);
                                    processed.put(expectedReal.expectedVariable(), requestValue);
                                    alreadyProcessed = (String[]) ArrayUtils.add(alreadyProcessed,
                                            expectedReal.expectedVariable());
                                    break;
                                case BASIC_REQUIRED:
                                    requestValue = accessor.invoke(this.hidden, ArrayUtils.EMPTY_OBJECT_ARRAY);
                                    processed.put(expectedReal.expectedVariable(), requestValue);
                                    alreadyProcessed = (String[]) ArrayUtils.add(alreadyProcessed,
                                            expectedReal.expectedVariable());
                                    break;
                                case COMPLEX_OPTIONAL:
                                    requestValue = expectedReal.helperClass().newInstance();
                                    processed.put(expectedReal.expectedVariable(),
                                            expectedReal.helperClass()
                                                    .getMethod(expectedReal.converterMethod(),
                                                            ArrayUtils.EMPTY_CLASS_ARRAY)
                                                    .invoke(requestValue, ArrayUtils.EMPTY_OBJECT_ARRAY));
                                    alreadyProcessed = (String[]) ArrayUtils.add(alreadyProcessed,
                                            expectedReal.expectedVariable());
                                    break;
                                case COMPLEX_REQUIRED:
                                    requestValue = expectedReal.helperClass().newInstance();
                                    processed.put(expectedReal.expectedVariable(),
                                            expectedReal.helperClass()
                                                    .getMethod(expectedReal.converterMethod(),
                                                            ArrayUtils.EMPTY_CLASS_ARRAY)
                                                    .invoke(requestValue, ArrayUtils.EMPTY_OBJECT_ARRAY));
                                    alreadyProcessed = (String[]) ArrayUtils.add(alreadyProcessed,
                                            expectedReal.expectedVariable());
                                    break;
                                default:
                                    break;
                                }
                            }
                        } catch (IllegalAccessException e1) {
                        } catch (IllegalArgumentException e1) {
                        } catch (InvocationTargetException e1) {
                        } catch (NoSuchMethodException e) {
                        } catch (SecurityException e) {
                        } catch (InstantiationException e) {
                        }
                    }
                }
            }
        }
    }
}

From source file:com.opengamma.financial.analytics.model.YieldCurveNodeSensitivitiesHelper.java

public static Set<ComputedValue> getTimeLabelledSensitivitiesForCurve(final List<DoublesPair> resultList,
        final ValueSpecification resultSpec) {
    final int n = resultList.size();
    final Double[] keys = new Double[n];
    final double[] values = new double[n];
    final Object[] labels = new Object[n];
    LabelledMatrix1D<Double, Double> labelledMatrix = new DoubleLabelledMatrix1D(
            ArrayUtils.EMPTY_DOUBLE_OBJECT_ARRAY, ArrayUtils.EMPTY_OBJECT_ARRAY, ArrayUtils.EMPTY_DOUBLE_ARRAY);
    for (int i = 0; i < n; i++) {
        final DoublesPair pair = resultList.get(i);
        keys[i] = pair.first;//from   www .j  ava  2  s  .c o  m
        values[i] = pair.second;
        labels[i] = s_formatter.format(pair.first);
        labelledMatrix = labelledMatrix.add(pair.first, s_formatter.format(pair.first), pair.second, 1e-16);
    }
    return Collections.singleton(new ComputedValue(resultSpec, labelledMatrix));
}

From source file:com.google.gdt.eclipse.designer.uibinder.parser.UiBinderParser.java

/**
 * @return the instance of given {@link Class}.
 *///from  w w  w  .  j  av a 2s  .c  om
static Object createProvidedField(UiBinderContext context, Class<?> fieldType, String fieldName)
        throws Exception {
    try {
        return createObjectInstance(context, fieldName, fieldType, ArrayUtils.EMPTY_OBJECT_ARRAY);
    } catch (Throwable e) {
        throw new DesignerException(IExceptionConstants.UI_FIELD_EXCEPTION, e, fieldType.getName(), fieldName);
    }
}

From source file:net.navasoft.madcoin.backend.services.vo.request.SuccessRequestVOWrapper.java

/**
 * Gets the error processing values.//from ww  w  . ja  v  a  2 s  .  c  o m
 * 
 * @return the error processing values
 * @since 27/07/2014, 06:49:08 PM
 */
@Override
public ControllerExceptionArgument[] getErrorProcessingValues() {
    ControllerExceptionArgument[] errors = (ControllerExceptionArgument[]) Array
            .newInstance(ControllerExceptionArgument.class, 0);
    for (Method accessor : helper.getDeclaredMethods()) {
        for (Annotation expected : accessor.getAnnotations()) {
            if (expected.annotationType() == ProcessingErrorValue.class) {
                try {
                    ProcessingErrorValue expectedReal = ((ProcessingErrorValue) expected);
                    Object requestValue = null;
                    switch (expectedReal.precedence()) {
                    case BASIC_OPTIONAL:

                        requestValue = accessor.invoke(hidden, ArrayUtils.EMPTY_OBJECT_ARRAY);

                        requestValue = (requestValue != null) ? requestValue : "No data provided";
                        errors = (ControllerExceptionArgument[]) ArrayUtils.add(errors,
                                new ControllerExceptionArgument(requestValue));
                        break;
                    case BASIC_REQUIRED:
                        requestValue = accessor.invoke(hidden, ArrayUtils.EMPTY_OBJECT_ARRAY);
                        errors = (ControllerExceptionArgument[]) ArrayUtils.add(errors,
                                new ControllerExceptionArgument(requestValue));
                        break;
                    case COMPLEX_OPTIONAL:
                        break;
                    case COMPLEX_REQUIRED:
                        break;
                    default:
                        break;
                    }
                } catch (IllegalAccessException e) {
                    e.printStackTrace();
                } catch (IllegalArgumentException e) {
                    e.printStackTrace();
                } catch (InvocationTargetException e) {
                    e.printStackTrace();
                }
            }
        }
    }
    return errors;
}

From source file:common.utils.ReflectionAssert.java

/**
 * All fields that have a getter with the same name will be checked by an assertNotNull.
 * Other fields will be ignored//from w w  w .j a v a 2 s.c  o m
 * 
 * @param message
 * @param object
 */
public static void assertAccessablePropertiesNotNull(String message, Object object) {

    Set<Field> fields = ReflectionUtils.getAllFields(object.getClass());
    for (Field field : fields) {
        Method getter = ReflectionUtils.getGetter(object.getClass(), field.getName(), false);
        if (getter != null) {
            Object result = null;

            try {
                result = getter.invoke(object, ArrayUtils.EMPTY_OBJECT_ARRAY);
            } catch (Exception e) {
                throw new UnitilsException(e);
            }
            String formattedMessage = formatMessage(message,
                    "Property '" + field.getName() + "' in object '" + object.toString() + "' is null ");
            assertNotNull(formattedMessage, result);
        }

    }
}

From source file:com.google.gdt.eclipse.designer.model.widgets.support.GwtState.java

/**
 * When we use images, browser requests images in background, so we should wait until all (local)
 * images are loaded before making screen shot. Note: waits no more than 500ms.
 *//*from w  w w.j a  v  a2s  . c  o m*/
private void waitForImages() throws Exception {
    // System.out.println("*** start IMAGE wait");
    long startWait = System.currentTimeMillis();
    while (true) {
        boolean complete = m_hostModeSupport.invokeNativeBoolean("__waitForImages",
                ArrayUtils.EMPTY_CLASS_ARRAY, ArrayUtils.EMPTY_OBJECT_ARRAY);
        if (complete) {
            break;
        }
        // do not wait more than 500ms
        if (System.currentTimeMillis() - startWait > 500) {
            break;
        }
        // wait more
        runMessagesLoop();
    }
    // System.out.println("*** waiting for IMAGE done in " + (System.currentTimeMillis() - startWait) + "ms");
}

Example usage for org.apache.commons.lang ArrayUtils EMPTY_OBJECT_ARRAY

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