Example usage for java.lang Class getAnnotation

Introduction

In this page you can find the example usage for java.lang Class getAnnotation.

Prototype

@SuppressWarnings("unchecked")
public <A extends Annotation> A getAnnotation(Class<A> annotationClass)

Source Link

Usage

From source file:com.eviware.x.form.support.ADialogBuilder.java

public static XFormDialog buildDialog(Class<? extends Object> formClass, ActionList actions,
        FormLayout layout) {/*from  ww w .  j a  v  a  2 s .  com*/
    AForm formAnnotation = formClass.getAnnotation(AForm.class);
    if (formAnnotation == null) {
        throw new RuntimeException("formClass is not annotated correctly..");
    }

    MessageSupport messages = MessageSupport.getMessages(formClass);

    XFormDialogBuilder builder = XFormFactory.createDialogBuilder(messages.get(formAnnotation.name()));
    XForm form = createForm(builder, layout);

    for (Field field : formClass.getFields()) {
        AField fieldAnnotation = field.getAnnotation(AField.class);
        if (fieldAnnotation != null) {
            try {
                addFormField(form, field, fieldAnnotation, messages);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }

    ActionList defaultActions = StringUtils.isBlank(formAnnotation.helpUrl()) ? builder.buildOkCancelActions()
            : builder.buildOkCancelHelpActions(formAnnotation.helpUrl());

    if (actions == null) {
        actions = defaultActions;
    } else {
        actions.addActions(defaultActions);
    }

    XFormDialog dialog = builder.buildDialog(actions, messages.get(formAnnotation.description()),
            UISupport.createImageIcon(formAnnotation.icon()));

    return dialog;
}

From source file:org.mybatisorm.annotation.handler.TableHandler.java

public static boolean hasAnnotation(Class<?> clazz) {
    return clazz.getAnnotation(Table.class) != null;
}

From source file:com.eucalyptus.upgrade.TestHarness.java

@SuppressWarnings("unchecked")
private static String getDescription(Object o) {
    Class c = null;
    Method m = null;/*from  www.j  a  va  2s . com*/
    if (o instanceof Class && ((c = (Class) o).getAnnotation(TestDescription.class)) != null) {
        return ((TestDescription) c.getAnnotation(TestDescription.class)).value();
    } else if (o instanceof Method && ((m = (Method) o).getAnnotation(TestDescription.class)) != null) {
        StringBuffer sb = new StringBuffer();
        for (Class a : Lists.newArrayList(Before.class, After.class, Test.class, Ignore.class,
                Parameters.class)) {
            if (m.getAnnotation(a) != null)
                sb.append("  @").append(String.format("%-9.9s", a.getSimpleName())).append(" ");
        }
        return sb.append(" ").append(((TestDescription) m.getAnnotation(TestDescription.class)).value())
                .toString();
    }
    return "";
}

From source file:com.helpinput.propertyeditors.PropertyEditorRegister.java

public static PropertyEditor newProtertyEditor(Class<? extends PropertyEditor> propertyEditorType,
        Class<?>... targetType) {

    final Class<?> theTargetType = getTargetType(propertyEditorType, targetType);
    if (theTargetType == null)
        return null;

    Map<Method, Object> setMethodAndValues = null;

    Properties propertiesAnn = propertyEditorType.getAnnotation(Properties.class);
    if (propertiesAnn != null) {
        Property[] properties = propertiesAnn.value();
        if (Utils.hasLength(properties)) {
            setMethodAndValues = new HashMap<>(properties.length + 1);
            for (Property property : properties) {
                if (!addProperty(propertyEditorType, property, setMethodAndValues))
                    return null;
            }/*from  www .j  av a  2  s .  c o  m*/
        }
    }

    Property propertyAnn = propertyEditorType.getAnnotation(Property.class);
    if (propertyAnn != null) {
        if (setMethodAndValues == null)
            setMethodAndValues = new HashMap<>(1);
        if (!addProperty(propertyEditorType, propertyAnn, setMethodAndValues))
            return null;
    }

    PropertyEditor propertyEditor;
    try {
        propertyEditor = propertyEditorType.newInstance();
    } catch (InstantiationException | IllegalAccessException e) {
        e.printStackTrace();
        return null;
    }

    if (Utils.hasLength(setMethodAndValues)) {
        for (Entry<Method, Object> entry : setMethodAndValues.entrySet()) {
            try {
                Utils.InvokedMethod(propertyEditor, entry.getKey(), entry.getValue());
            } catch (Exception e) {
                e.printStackTrace();
                return null;
            }
        }
    }
    return propertyEditor;
}

From source file:com.crosstreelabs.junited.elasticsearch.ElasticsearchRule.java

protected static List<ElasticSetup> getAnnotations(final Description description) {
    Class<?> testClass = description.getTestClass();
    String methodName = description.getMethodName();

    List<ElasticSetup> result = new ArrayList<>();
    if (testClass.isAnnotationPresent(ElasticSetup.class)) {
        result.add(testClass.getAnnotation(ElasticSetup.class));
    }//from  ww w  . java 2  s  . co  m
    if (testClass.isAnnotationPresent(ElasticSetups.class)) {
        result.addAll(Arrays.asList(testClass.getAnnotation(ElasticSetups.class).value()));
    }
    if (methodName == null) {
        return result;
    }

    try {
        Method method = testClass.getDeclaredMethod(methodName);
        if (method.isAnnotationPresent(ElasticSetup.class)) {
            result.add(method.getAnnotation(ElasticSetup.class));
        }
        if (method.isAnnotationPresent(ElasticSetups.class)) {
            result.addAll(Arrays.asList(method.getAnnotation(ElasticSetups.class).value()));
        }
    } catch (NoSuchMethodException | SecurityException ex) {
    }
    return result;
}

From source file:com.spotify.heroic.shell.Tasks.java

public static String taskUsage(final Class<? extends ShellTask> task) {
    final TaskUsage u = task.getAnnotation(TaskUsage.class);

    if (u != null) {
        return u.value();
    }/*from  w w  w. j  a  va  2s . c o  m*/

    return String.format("<no @ShellTaskUsage annotation for %s>", task.getCanonicalName());
}

From source file:com.spotify.heroic.shell.Tasks.java

public static String name(final Class<? extends ShellTask> task) {
    final TaskName n = task.getAnnotation(TaskName.class);

    if (n != null) {
        return n.value();
    }/*  w  w w.j av  a  2s.  c  o m*/

    throw new IllegalStateException(
            String.format("No name configured with @TaskName on %s", task.getCanonicalName()));
}

From source file:com.spotify.heroic.shell.Tasks.java

public static List<String> aliases(final Class<? extends ShellTask> task) {
    final TaskName n = task.getAnnotation(TaskName.class);
    final List<String> names = new ArrayList<>();

    if (n != null) {
        for (final String alias : n.aliases()) {
            names.add(alias);//  w  ww .  j  a  v  a2 s  .  co m
        }
    }

    return names;
}

From source file:com.sqewd.open.dal.services.EntitySchema.java

public static EntitySchema loadSchema(StructEntityReflect enref) throws Exception {
    EntitySchema entity = new EntitySchema();
    Class<?> type = Class.forName(enref.Class);

    entity.name = enref.Entity;//from w  ww  .j  a  v  a  2s  .  co m
    AbstractPersister pers = DataManager.get().getPersister(type);
    entity.persister = pers.getClass().getCanonicalName();
    entity.classname = type.getCanonicalName();

    if (type.isAnnotationPresent(JsonRootName.class)) {
        JsonRootName re = type.getAnnotation(JsonRootName.class);
        entity.jsonname = re.value();
    }

    entity.properties = new ArrayList<PropertySchema>();

    for (StructAttributeReflect attr : enref.Attributes) {
        PropertySchema pdef = PropertySchema.load(type, attr.Field.getName());
        if (pdef != null)
            entity.properties.add(pdef);
    }
    return entity;
}

From source file:com.spotify.heroic.shell.Tasks.java

public static List<String> allNames(final Class<? extends ShellTask> task) {
    final TaskName n = task.getAnnotation(TaskName.class);
    final List<String> names = new ArrayList<>();

    if (n != null) {
        names.add(n.value());//  ww  w  .  j av  a2 s.  c om

        for (final String alias : n.aliases()) {
            names.add(alias);
        }
    }

    if (names.isEmpty()) {
        throw new IllegalStateException(
                String.format("No name configured with @TaskName on %s", task.getCanonicalName()));
    }

    return names;
}