Example usage for java.lang Class getSuperclass

Introduction

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

Prototype

@HotSpotIntrinsicCandidate
public native Class<? super T> getSuperclass();

Source Link

Document

Returns the Class representing the direct superclass of the entity (class, interface, primitive type or void) represented by this Class .

Usage

From source file:kina.utils.Utils.java

private static Field[] getAllFieldsRec(Class clazz, List<Field> fields) {
    Class superClazz = clazz.getSuperclass();
    if (superClazz != null) {
        getAllFieldsRec(superClazz, fields);
    }/*from   w ww  . jav  a 2 s. c  o m*/

    fields.addAll(Arrays.asList(clazz.getDeclaredFields()));
    return fields.toArray(new Field[fields.size()]);
}

From source file:com.fjn.helper.common.util.StreamUtil.java

public static void close(Object closeable) {

    if (closeable != null) {
        try {/*from   www  .  j  a  v a 2  s  .co m*/
            if (closeable instanceof Closeable) {
                ((Closeable) closeable).close();
                return;
            }
        } catch (Exception ex) {
            // ignore it;
        }

        // close();
        Method closeMethod = null;
        Class<?> targetClass = closeable.getClass();
        while (closeMethod == null && targetClass != null) {
            try {
                closeMethod = targetClass.getDeclaredMethod("close", new Class[0]);
            } catch (Exception ex) {
                targetClass = targetClass.getSuperclass();
            }
        }

        if (closeMethod != null) {
            try {
                closeMethod.invoke(closeable, new Object[0]);
            } catch (Exception e) {
                // ignore it
            }
        }

    }

}

From source file:de.xwic.appkit.core.model.EntityModelFactory.java

/**
 * Creates a new entity model based upon the specified entity.
 * @param entity//from ww w . j  a va  2s .  co m
 * @return
 * @throws EntityModelException 
 */
@SuppressWarnings("unchecked")
public static IEntityModel createModel(IEntity entity) {

    // create model and InvocationHandler
    Set<Class<?>> interfacesSet = new HashSet<Class<?>>();
    Class<? extends IEntity> clazz = entity.getClass();
    interfacesSet.add(IEntityModel.class);

    // recursivly add all interfaces
    Class<?> c = clazz;
    while (c != null) {
        Class<?>[] orgInterfaces = c.getInterfaces();
        for (int i = 0; i < orgInterfaces.length; i++) {
            interfacesSet.add(orgInterfaces[i]);
        }
        c = c.getSuperclass();
    }
    Class[] interfaces = new Class[interfacesSet.size()];
    int idx = 0;
    for (Iterator<Class<?>> it = interfacesSet.iterator(); it.hasNext();) {
        interfaces[idx++] = it.next();
    }

    EntityModelInvocationHandler ih = new EntityModelInvocationHandler(entity);
    return (IEntityModel) Proxy.newProxyInstance(classLoader, interfaces, ih);

}

From source file:Main.java

/**
 * Attempts to find a method with the given name and argument types on the specified class. Other than Class's
 * getMethod(String, Class...) method, this method will also return protected and private methods.
 *
 * @param clazz         Class supposed to offer the method being searched.
 * @param methodName    Name of the method.
 * @param argumentTypes The arguments found in the method signature, if any.
 * @return a method with the given name and argument types on the specified class, if any.
 *//*from   w ww .j ava 2 s.c o m*/
public static synchronized Method getMethod(final Class clazz, final String methodName,
        final Class... argumentTypes) {
    try {
        return clazz.getMethod(methodName, argumentTypes);
    } catch (NoSuchMethodException e) {
        /* Ok, so there's no public method... */
    }

    Class runner = clazz;
    while (runner != null) {
        try {
            return runner.getDeclaredMethod(methodName, argumentTypes);
        } catch (NoSuchMethodException e) {
            /* No luck here either */
        }
        runner = runner.getSuperclass();
    }

    /* Still no luck, means there is no suitable method */
    return null;
}

From source file:gumga.framework.presentation.api.CSVGeneratorAPI.java

public static List<Field> getAllAtributes(Class clazz) {
    List<Field> fields = new ArrayList<>();
    Class superClass = clazz.getSuperclass();
    if (superClass != null && !superClass.equals(Object.class)) {
        fields.addAll(getAllAtributes(clazz.getSuperclass()));
    }/*from w w  w  .  j a  v  a2 s .c  o m*/
    for (Field f : clazz.getDeclaredFields()) {
        if (!Modifier.isStatic(f.getModifiers())) {
            fields.add(f);
        }
    }
    return fields;
}

From source file:com.github.juanmf.java2plant.Parser.java

private static void addSuperClass(Class<?> c, Set<Class<?>> newClasses) {
    Class<?> superclass = c.getSuperclass();
    if (null == superclass || Object.class.equals(superclass)) {
        return;//  w ww .  j  a  va2 s.c  o  m
    }
    newClasses.add(superclass);
    addSuperClass(superclass, newClasses);
    addInterfaces(superclass, newClasses);
}

From source file:com.nabla.wapp.server.database.SqlInsert.java

@SuppressWarnings("unchecked")
protected static IRecordTable getTable(final Class clazz) {
    Assert.notNull(clazz, "have you forgotten to set @IRecordTable for record " + clazz.getSimpleName());

    final IRecordTable t = (IRecordTable) clazz.getAnnotation(IRecordTable.class);
    return (t != null) ? t : getTable(clazz.getSuperclass());
}

From source file:com.aw.support.reflection.AttributeAccessor.java

public static Field getField(Class cls, String attrName) throws Throwable {
    Field field = null;//ww w.  ja v a  2 s .  c  om
    try {
        field = cls.getDeclaredField(attrName);
    } catch (NoSuchFieldException e) {
        try {
            // Se va a buscar en la superclase
            field = cls.getSuperclass().getDeclaredField(attrName);
        } catch (NoSuchFieldException e2) {
            try {
                // Se va a buscar en la superclase 2
                field = cls.getSuperclass().getSuperclass().getDeclaredField(attrName);
            } catch (NoSuchFieldException e3) {
                field = cls.getSuperclass().getSuperclass().getSuperclass().getDeclaredField(attrName);

            }
        }
    } catch (SecurityException e) {
        throw e;
    }
    return field;
}

From source file:com.searchbox.core.ref.ReflectionUtils.java

public static List<Field> findAllFields(Class<?> element) {
    ArrayList<Field> fields = new ArrayList<Field>();
    if (element != null) {
        for (Field field : element.getDeclaredFields()) {
            fields.add(field);/*from   w  w  w. ja  va  2s.  com*/
        }
        fields.addAll(findAllFields(element.getSuperclass()));
        return fields;
    } else {
        return Collections.emptyList();
    }
}

From source file:Main.java

public static Set<Class<?>> getAllImplementedInterfaceNames(Class<?> klass) {
    Set<Class<?>> interfaces = new HashSet<Class<?>>();
    while (klass != null) {
        Class<?>[] localInterfaces = klass.getInterfaces();
        for (Class<?> intf : localInterfaces) {
            interfaces.add(intf);/*  ww  w .  j  a  v a  2 s.  c  o  m*/
            exploreSuperInterfaces(intf, interfaces);
        }
        klass = klass.getSuperclass();
    }
    return interfaces;
}