Example usage for java.lang.reflect Field getAnnotation

List of usage examples for java.lang.reflect Field getAnnotation

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Introduction

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

Prototype

public <T extends Annotation> T getAnnotation(Class<T> annotationClass)

Source Link

Usage

From source file:edu.usu.sdl.openstorefront.core.util.EntityUtil.java

/**
 * Compares to object of the same type//from w w  w .j  a  v a 2s .  co  m
 *
 * @param original
 * @param compare
 * @param consumeFieldsOnly
 * @return True is different, false if the same
 */
public static boolean isObjectsDifferent(Object original, Object compare, boolean consumeFieldsOnly) {
    boolean changed = false;

    if (original != null && compare == null) {
        changed = true;
    } else if (original == null && compare != null) {
        changed = true;
    } else if (original != null && compare != null) {
        if (original.getClass().isInstance(compare)) {
            List<Field> fields = getAllFields(original.getClass());
            for (Field field : fields) {
                boolean check = true;
                if (consumeFieldsOnly) {
                    ConsumeField consume = (ConsumeField) field.getAnnotation(ConsumeField.class);
                    if (consume == null) {
                        check = false;
                    }
                }
                if (check) {
                    try {
                        changed = isFieldsDifferent(BeanUtils.getProperty(original, field.getName()),
                                BeanUtils.getProperty(compare, field.getName()));
                        if (changed) {
                            break;
                        }
                    } catch (IllegalAccessException | InvocationTargetException | NoSuchMethodException ex) {
                        throw new OpenStorefrontRuntimeException("Can't compare object types", ex);
                    }
                }
            }
        } else {
            throw new OpenStorefrontRuntimeException("Can't compare different object types", "Check objects");
        }
    }
    return changed;
}

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

public static XFormDialog buildDialog(Class<? extends Object> formClass, ActionList actions,
        FormLayout layout) {/*  w w w.  jav a 2  s . c o m*/
    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:com.linkedin.pinot.perf.QueryRunner.java

private static void printUsage() {
    System.out.println("Usage: QueryRunner");
    for (Field field : QueryRunner.class.getDeclaredFields()) {
        if (field.isAnnotationPresent(Option.class)) {
            Option option = field.getAnnotation(Option.class);
            System.out.println(String.format("\t%-15s: %s (required=%s)", option.name(), option.usage(),
                    option.required()));
        }/*  ww  w  .  j a va 2 s . c  o  m*/
    }
}

From source file:com.htmlhifive.pitalium.core.config.PtlTestConfig.java

/**
 * {@link PtlConfigurationProperty}?????????
 * // w ww.ja  va  2 s  . c  o m
 * @param object ?
 * @param arguments ?
 */
private static void fillConfigProperties(Object object, Map<String, String> arguments) {
    // Collect all fields include super classes
    Class clss = object.getClass();
    List<Field> fields = new ArrayList<Field>();
    Collections.addAll(fields, clss.getDeclaredFields());
    while ((clss = clss.getSuperclass()) != Object.class) {
        Collections.addAll(fields, clss.getDeclaredFields());
    }

    for (Field field : fields) {
        PtlConfigurationProperty propertyConfig = field.getAnnotation(PtlConfigurationProperty.class);
        if (propertyConfig == null) {
            PtlConfiguration config = field.getAnnotation(PtlConfiguration.class);
            if (config == null) {
                continue;
            }

            // Field is nested config class
            try {
                field.setAccessible(true);
                Object prop = field.get(object);
                if (prop != null) {
                    fillConfigProperties(prop, arguments);
                }
            } catch (TestRuntimeException e) {
                throw e;
            } catch (Exception e) {
                throw new TestRuntimeException(e);
            }

            continue;
        }

        String value = arguments.get(propertyConfig.value());
        if (value == null) {
            continue;
        }

        try {
            Object applyValue = convertFromString(field.getType(), value);
            field.setAccessible(true);
            field.set(object, applyValue);
            LOG.trace("[Load config] override property ({}). [{} => {}]", clss.getSimpleName(), field.getName(),
                    applyValue);
        } catch (TestRuntimeException e) {
            throw e;
        } catch (Exception e) {
            throw new TestRuntimeException("ConfigurationProperty convert error", e);
        }
    }
}

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

/**
 * Allow to use custom Ok, Cancel buttons...
 * <p/>//from www. j a v  a  2s  . c o m
 * This means user have to add control for closing dialog.
 *
 * @param formClass
 * @param actions
 * @param useDefaultOkCancel
 * @return
 */
public static XFormDialog buildDialog(Class<? extends Object> formClass, ActionList actions,
        boolean useDefaultOkCancel) {

    if (useDefaultOkCancel) {
        return buildDialog(formClass, actions);
    }
    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, null);

    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()) ? null
            : builder.buildHelpActions(formAnnotation.helpUrl());

    if (actions == null) {
        actions = defaultActions;
    } else {
        // since there is only one action do it like this
        actions.insertAction(defaultActions.getActionAt(0), 0);
    }
    XFormDialog dialog = builder.buildDialog(actions, messages.get(formAnnotation.description()),
            UISupport.createImageIcon(formAnnotation.icon()));

    return dialog;
}

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

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

    MessageSupport messages = MessageSupport.getMessages(tabbedFormClass);
    XFormDialogBuilder builder = XFormFactory.createDialogBuilder(formAnnotation.name());

    for (Field field : tabbedFormClass.getFields()) {
        APage pageAnnotation = field.getAnnotation(APage.class);
        if (pageAnnotation != null) {
            buildForm(builder, pageAnnotation.name(), field.getType(), messages);
        }

        AField fieldAnnotation = field.getAnnotation(AField.class);
        if (fieldAnnotation != null) {
            try {
                Class<?> formClass = Class.forName(fieldAnnotation.description());
                buildForm(builder, fieldAnnotation.name(), formClass, messages);
            } catch (Exception e) {
                SoapUI.logError(e);
            }
        }
    }

    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, formAnnotation.description(),
            UISupport.createImageIcon(formAnnotation.icon()));

    return dialog;
}

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

public static XFormDialog buildTabbedDialogWithCustomActions(Class<? extends Object> tabbedFormClass,
        ActionList actions) {//from   w  w w  .  j a v a2  s  . co m
    AForm formAnnotation = tabbedFormClass.getAnnotation(AForm.class);
    if (formAnnotation == null) {
        throw new RuntimeException("formClass is not annotated correctly..");
    }

    MessageSupport messages = MessageSupport.getMessages(tabbedFormClass);
    XFormDialogBuilder builder = XFormFactory.createDialogBuilder(formAnnotation.name());

    for (Field field : tabbedFormClass.getFields()) {
        APage pageAnnotation = field.getAnnotation(APage.class);
        if (pageAnnotation != null) {
            buildForm(builder, pageAnnotation.name(), field.getType(), messages);
        }

        AField fieldAnnotation = field.getAnnotation(AField.class);
        if (fieldAnnotation != null) {
            try {
                Class<?> formClass = Class.forName(fieldAnnotation.description());
                buildForm(builder, fieldAnnotation.name(), formClass, messages);
            } catch (Exception e) {
                SoapUI.logError(e);
            }
        }
    }

    ActionList defaultActions = StringUtils.isBlank(formAnnotation.helpUrl()) ? null
            : builder.buildHelpActions(formAnnotation.helpUrl());

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

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

    return dialog;
}

From source file:com.hurence.logisland.util.kura.Metrics.java

public static <T> T readFrom(final T object, final Map<String, Object> metrics) {
    Objects.requireNonNull(object);

    for (final Field field : FieldUtils.getFieldsListWithAnnotation(object.getClass(), Metric.class)) {
        final Metric m = field.getAnnotation(Metric.class);
        final boolean optional = field.isAnnotationPresent(Optional.class);

        final Object value = metrics.get(m.value());
        if (value == null && !optional) {
            throw new IllegalArgumentException(
                    String.format("Field '%s' is missing metric '%s'", field.getName(), m.value()));
        }//from www.jav  a  2  s  .  c  om

        if (value == null) {
            // not set but optional
            continue;
        }

        try {
            FieldUtils.writeField(field, object, value, true);
        } catch (final IllegalArgumentException e) {
            // provide a better message
            throw new IllegalArgumentException(String.format("Failed to assign '%s' (%s) to field '%s'", value,
                    value.getClass().getName(), field.getName()), e);
        } catch (final IllegalAccessException e) {
            throw new RuntimeException(e);
        }
    }

    for (final Method method : MethodUtils.getMethodsListWithAnnotation(object.getClass(), Metric.class)) {
        final Metric m = method.getAnnotation(Metric.class);
        final boolean optional = method.isAnnotationPresent(Optional.class);

        final Object value = metrics.get(m.value());
        if (value == null && !optional) {
            throw new IllegalArgumentException(
                    String.format("Method '%s' is missing metric '%s'", method.getName(), m.value()));
        }

        if (value == null) {
            // not set but optional
            continue;
        }

        try {
            method.invoke(object, value);
        } catch (final IllegalArgumentException e) {
            // provide a better message
            throw new IllegalArgumentException(String.format("Failed to call '%s' (%s) with method '%s'", value,
                    value.getClass().getName(), method.getName()), e);
        } catch (IllegalAccessException | InvocationTargetException e) {
            throw new RuntimeException(e);
        }
    }

    return object;
}

From source file:io.github.eternalbits.compactvd.CompactVD.java

private static void dump(Object obj, String in) {
    for (Field fld : obj.getClass().getDeclaredFields()) {
        try {/*from  w ww. j  a va 2s . c o  m*/
            if (!Modifier.isPrivate(fld.getModifiers())) {
                if (fld.getAnnotation(Deprecated.class) == null) {
                    if (!fld.getType().isAssignableFrom(List.class)) {
                        System.out.println(in + fld.getName() + ": " + fld.get(obj));
                    } else {
                        int i = 0;
                        for (Object item : (List<?>) fld.get(obj)) {
                            System.out.println(in + fld.getName() + "[" + i + "]");
                            dump(item, in + "    ");
                            i++;
                        }
                    }
                }
            }
        } catch (IllegalArgumentException | IllegalAccessException e) {
            e.printStackTrace();
        }
    }
}

From source file:com.linkedin.pinot.tools.segment.converter.DictionaryToRawIndexConverter.java

/**
 * Helper method to print usage at the command line interface.
 */// w  ww  .j a  v  a 2  s  .  c o  m
private static void printUsage() {
    System.out.println("Usage: DictionaryTORawIndexConverter");
    for (Field field : ColumnarToStarTreeConverter.class.getDeclaredFields()) {

        if (field.isAnnotationPresent(Option.class)) {
            Option option = field.getAnnotation(Option.class);

            System.out.println(String.format("\t%-15s: %s (required=%s)", option.name(), option.usage(),
                    option.required()));
        }
    }
}