Example usage for java.lang.reflect Field getAnnotation

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:DataBeanTest.java

public static void main(String[] args) {
    Class d = DataBean.class;

    Field fs[] = d.getFields();/*from  w w  w.ja va 2s.c o  m*/
    for (Field f : fs) {
        System.out.println(f);

        Annotation a = f.getAnnotation(DataField.class);

        if (a != null) {
            System.out.println(f.getName());
        }
    }
}

From source file:Main.java

static String getElementName(Field field) {
    XmlElement element = (XmlElement) field.getAnnotation(XmlElement.class);
    return !DEFAULT_NAME.equals(element.name()) ? element.name() : field.getName();
}

From source file:Main.java

static String getAttributeName(Field field) {
    XmlAttribute attribute = (XmlAttribute) field.getAnnotation(XmlAttribute.class);
    return !DEFAULT_NAME.equals(attribute.name()) ? attribute.name() : field.getName();
}

From source file:net.eledge.android.toolkit.db.internal.SQLBuilder.java

public static String getFieldName(Field field) {
    Column column = field.getAnnotation(Column.class);
    return StringUtils.defaultIfBlank(column.name(), field.getName().toLowerCase(Locale.ENGLISH));
}

From source file:org.apache.aries.blueprint.plugin.model.Property.java

private static boolean needsInject(Field field) {
    return field.getAnnotation(Autowired.class) != null || field.getAnnotation(Inject.class) != null;
}

From source file:Main.java

public static String value(Class<? extends Enum> aClass, String name) {
    try {//from  w  ww.  j a  v a 2  s  . c  o m
        Field field = aClass.getField(name);

        XmlEnumValue annotation = field.getAnnotation(XmlEnumValue.class);

        return annotation.value();
    } catch (NoSuchFieldException e) {
        throw new IllegalStateException();
    }
}

From source file:org.apache.aries.blueprint.plugin.model.Property.java

/**
 * Assume it is defined in another manually created blueprint context with default name
 * @param field//from w ww .j a  v  a 2  s  . c om
 * @return
 */
private static String getRefName(Field field) {
    Named named = field.getAnnotation(Named.class);
    return (named != null) ? named.value() : Bean.getBeanName(field.getType());
}

From source file:Main.java

public static <ENUM extends Enum> ENUM fromValue(Class<ENUM> aClass, String value) {
    try {/*from  w  w  w.j  av a2s. com*/
        for (ENUM c : aClass.getEnumConstants()) {
            Field field = aClass.getField(c.name());

            XmlEnumValue annotation = field.getAnnotation(XmlEnumValue.class);

            if (annotation.value().equals(value)) {
                return c;
            }
        }
    } catch (NoSuchFieldException e) {
    }
    throw new IllegalArgumentException(value);
}

From source file:org.apache.aries.blueprint.plugin.model.Property.java

public static Property create(Matcher matcher, Field field) {
    Value value = field.getAnnotation(Value.class);
    if (needsInject(field)) {
        Bean matching = matcher.getMatching(field);
        String ref = (matching == null) ? getRefName(field) : matching.id;
        return new Property(field.getName(), ref, null);
    } else if (value != null) {
        return new Property(field.getName(), null, cleanValue(value.value()));
    } else {/*w  w w.  j a v  a2 s  .c  o m*/
        // Field is not a property
        return null;
    }
}

From source file:Main.java

public static List<Field> getAllFieldsWithAnnotation(List<Field> fields, Class<?> type,
        Class<? extends Annotation> annotationType) {
    for (Field field : type.getDeclaredFields()) {
        if (annotationType == null || field.getAnnotation(annotationType) != null) {
            fields.add(field);/* w  ww. j av a  2  s .co m*/
        }
    }

    if (type.getSuperclass() != null) {
        fields = getAllFieldsWithAnnotation(fields, type.getSuperclass(), annotationType);
    }

    return fields;
}