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:com.springframework.beans.BeanUtils.java

/**
 * Find a method with the given method name and minimal parameters (best case: none),
 * declared on the given class or one of its superclasses. Will return a public,
 * protected, package access, or private method.
 * <p>Checks {@code Class.getDeclaredMethods}, cascading upwards to all superclasses.
 * @param clazz the class to check/*  w ww.  jav  a2 s  .  c o  m*/
 * @param methodName the name of the method to find
 * @return the Method object, or {@code null} if not found
 * @throws IllegalArgumentException if methods of the given name were found but
 * could not be resolved to a unique method with minimal parameters
 * @see Class#getDeclaredMethods
 */
public static Method findDeclaredMethodWithMinimalParameters(Class<?> clazz, String methodName)
        throws IllegalArgumentException {

    Method targetMethod = findMethodWithMinimalParameters(clazz.getDeclaredMethods(), methodName);
    if (targetMethod == null && clazz.getSuperclass() != null) {
        targetMethod = findDeclaredMethodWithMinimalParameters(clazz.getSuperclass(), methodName);
    }
    return targetMethod;
}

From source file:br.gov.frameworkdemoiselle.ldap.internal.ClazzUtils.java

/**
 * Build a super classes List(Class(? extends Object))
 * /* w  ww.j  a va  2  s.com*/
 * @return List of Super Classes
 */
public static List<Class<? extends Object>> getSuperClasses(Class<?> entryClass) {
    List<Class<? extends Object>> list = new ArrayList<Class<? extends Object>>();
    Class<? extends Object> superClazz = entryClass.getSuperclass();
    while (superClazz != null) {
        list.add(superClazz);
        superClazz = superClazz.getSuperclass();
    }
    return list;
}

From source file:com.smart.utils.ReflectionUtils.java

/**
 * ?classString,list,listString/*from w w w .ja  v  a 2s. com*/
 * 
 * @param clz
 * @return
 */
public static List<String> getAllFieldNames(Class clz) {
    List result = new ArrayList();
    Map allFields = new HashMap();
    // ???
    List classFamilyTree = new LinkedList();
    classFamilyTree.add(clz);
    Class tempSuperClass = clz;
    while ((tempSuperClass = tempSuperClass.getSuperclass()) != null) {
        classFamilyTree.add(tempSuperClass);
    }
    // Map???field??????
    for (int i = classFamilyTree.size() - 1; i >= 0; i--) {
        Class tempClass = (Class) classFamilyTree.get(i);
        Field[] fieldsOfTempClass = tempClass.getDeclaredFields();
        for (int j = 0; j < fieldsOfTempClass.length; j++) {
            Field field = fieldsOfTempClass[j];
            allFields.put(field.getName(), field.getName());
        }
    }
    // map?list
    for (Iterator iter = allFields.entrySet().iterator(); iter.hasNext();) {
        Map.Entry entry = (Map.Entry) iter.next();
        result.add(entry.getValue());
    }
    return result;
}

From source file:com.ms.commons.test.common.ReflectUtil.java

protected static void getDeclaredFields(Class<?> clazz, List<Field> fieldList) {
    if (clazz == Object.class) {
        return;//from w  w  w  . j  a va 2 s . co  m
    }
    Field[] fields = clazz.getDeclaredFields();
    if (fields != null) {
        for (Field field : fields) {
            fieldList.add(field);
        }
    }
    getDeclaredFields(clazz.getSuperclass());
}

From source file:com.smart.utils.ReflectionUtils.java

/**
 * ?classFieldlistlistField/*from   w  w  w.  j  av  a 2  s  . co m*/
 * 
 * @param clz
 * @return
 */
public static List<Field> getAllFields(Class clz) {
    List result = new ArrayList();
    Map allFields = new HashMap();
    // ???
    List classFamilyTree = new LinkedList();
    classFamilyTree.add(clz);
    Class tempSuperClass = clz;
    while ((tempSuperClass = tempSuperClass.getSuperclass()) != null) {
        classFamilyTree.add(tempSuperClass);
    }
    // Map???field??????
    for (int i = classFamilyTree.size() - 1; i >= 0; i--) {
        Class tempClass = (Class) classFamilyTree.get(i);
        Field[] fieldsOfTempClass = tempClass.getDeclaredFields();
        for (int j = 0; j < fieldsOfTempClass.length; j++) {
            Field field = fieldsOfTempClass[j];
            allFields.put(field.getName(), field);
        }
    }

    // map?list
    for (Iterator iter = allFields.entrySet().iterator(); iter.hasNext();) {
        Map.Entry entry = (Map.Entry) iter.next();
        result.add(entry.getValue());
    }
    return result;
}

From source file:me.totalfreedom.totalfreedommod.util.FUtil.java

@SuppressWarnings("unchecked")
public static <T> T getField(Object from, String name) {
    Class<?> checkClass = from.getClass();
    do {/*from   w  w w .  j a v a  2 s . c o  m*/
        try {
            Field field = checkClass.getDeclaredField(name);
            field.setAccessible(true);
            return (T) field.get(from);

        } catch (NoSuchFieldException | IllegalAccessException ex) {
        }
    } while (checkClass.getSuperclass() != Object.class && ((checkClass = checkClass.getSuperclass()) != null));

    return null;
}

From source file:com.mine.core.util.ReflectUtils.java

/**
 * ?CGLib??.//from  ww w  .  ja v  a2  s  . co  m
 */
public static Class<?> getProxyBeanOrgClass(Object instance) {
    Validate.notNull(instance, "Instance must not be null");
    Class clazz = instance.getClass();
    if ((clazz != null) && clazz.getName().contains(CGLIB_CLASS_SEPARATOR)) {
        Class<?> superClass = clazz.getSuperclass();
        if ((superClass != null) && !Object.class.equals(superClass)) {
            return superClass;
        }
    }
    return clazz;

}

From source file:com.rockagen.commons.util.ClassUtil.java

/**
 * obtain method list of specified class If recursively is true, obtain
 * method from all class hierarchy//from  w  w  w .  j a v  a  2 s . c om
 * 
 * @param clazz class
 * @param recursively recursively
 * @param methodName method name
 * @param parameterTypes parameter types
 * @return method
 */
public static Method getDeclaredMethod(Class<?> clazz, boolean recursively, String methodName,
        Class<?>... parameterTypes) {

    try {
        return clazz.getDeclaredMethod(methodName, parameterTypes);
    } catch (NoSuchMethodException e) {
        Class<?> superClass = clazz.getSuperclass();
        if (superClass != null && recursively) {
            return getDeclaredMethod(superClass, true, methodName, parameterTypes);
        }
    } catch (SecurityException e) {
        log.error("{}", e.getMessage(), e);
    }
    return null;
}

From source file:de.micromata.genome.util.runtime.ClassUtils.java

/**
 * Find first method with given name./*w ww. j  a  va  2s  .  c  o  m*/
 *
 * @param clazz the clazz
 * @param method the method
 * @return null if not found
 */
public static Method findFirstMethod(Class<?> clazz, String method) {
    for (Method m : clazz.getDeclaredMethods()) {
        if (m.getName().equals(method) == true) {
            return m;
        }
    }
    if (clazz.getSuperclass() != null) {
        return findFirstMethod(clazz.getSuperclass(), method);
    }
    return null;
}

From source file:Main.java

public static boolean hasCustomHashCode(Class<?> c) {
    Class<?> origClass = c;
    if (_customHash.containsKey(c)) {
        return _customHash.get(c);
    }/*from w  w  w . j  ava 2 s. c o  m*/
    while (!Object.class.equals(c)) {
        try {
            c.getDeclaredMethod("hashCode");
            _customHash.put(origClass, true);
            return true;
        } catch (Exception ignored) {
        }
        c = c.getSuperclass();
    }
    _customHash.put(origClass, false);
    return false;
}