Example usage for java.lang Class getGenericSuperclass

Introduction

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

Prototype

public Type getGenericSuperclass() 

Source Link

Document

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

Usage

From source file:org.tinygroup.tinyioc.impl.BeanContainerImpl.java

public static boolean isSubClass(Class a, Class b) {
    Type genericSuperclass = a.getGenericSuperclass();
    for (Type type : a.getGenericInterfaces()) {
        if (type.equals(b)) {
            return true;
        }//www  . j a v a 2s. co  m
        boolean is = isSubClass((Class) type, b);
        if (is) {
            return true;
        }
    }
    if (genericSuperclass != null) {
        if (genericSuperclass.equals(b)) {
            return true;
        } else {
            boolean is = isSubClass((Class) genericSuperclass, b);
            if (is) {
                return true;
            }
        }
    }
    return false;
}

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From source file:com.topsem.common.utils.Reflections.java

/**
 * ??, Class?./*w w  w . j  av a2 s. c o m*/
 * , Object.class.
 * <p/>
 * public UserDao extends HibernateDao<User,Long>
 *
 * @param clazz clazz The class to introspect
 * @param index the Index of the generic ddeclaration,start from 0.
 * @return the index generic declaration, or Object.class if cannot be determined
 */
public static Class getClassGenericType(final Class clazz, final int index) {

    Type genType = clazz.getGenericSuperclass();

    if (!(genType instanceof ParameterizedType)) {
        logger.warn(clazz.getSimpleName() + "'s superclass not ParameterizedType");
        return Object.class;
    }

    Type[] params = ((ParameterizedType) genType).getActualTypeArguments();

    if ((index >= params.length) || (index < 0)) {
        logger.warn("Index: " + index + ", Size of " + clazz.getSimpleName() + "'s Parameterized Type: "
                + params.length);
        return Object.class;
    }
    if (!(params[index] instanceof Class)) {
        logger.warn(clazz.getSimpleName() + " not set the actual class on superclass generic parameter");
        return Object.class;
    }

    return (Class) params[index];
}

---

From source file:info.donsun.core.utils.Reflections.java

/**
 * ??, Class?. , Object.class.//from w ww  .ja  v a2 s  .  c  om
 * 
 * public UserDao extends HibernateDao<User,Long>
 * 
 * @param clazz clazz The class to introspect
 * @param index the Index of the generic ddeclaration,start from 0.
 * @return the index generic declaration, or Object.class if cannot be
 *         determined
 */
public static <T> Class<T> getClassGenricType(final Class clazz, final int index) {

    Type genType = clazz.getGenericSuperclass();

    if (!(genType instanceof ParameterizedType)) {
        logger.warn(clazz.getSimpleName() + "'s superclass not ParameterizedType");
        return null;
    }

    Type[] params = ((ParameterizedType) genType).getActualTypeArguments();

    if (index >= params.length || index < 0) {
        logger.warn("Index: " + index + ", Size of " + clazz.getSimpleName() + "'s Parameterized Type: "
                + params.length);
        return null;
    }
    if (!(params[index] instanceof Class)) {
        logger.warn(clazz.getSimpleName() + " not set the actual class on superclass generic parameter");
        return null;
    }

    return (Class) params[index];
}

---

From source file:com.austin.base.commons.util.ReflectUtil.java

/**
 * ??,Class?. public BookManager extends GenricManager<Book>
 *
 * @param clazz clazz The class to introspect
 * @param index the Index of the generic ddeclaration,start from 0.
 * @return the index generic declaration, or <code>Object.class</code> if cannot be determined
 *///w  w w . j a  va2s .  com
public static Class getSuperClassGenricType(Class clazz, int index) {

    Type genType = clazz.getGenericSuperclass();

    if (!(genType instanceof ParameterizedType)) {
        log.warn(clazz.getSimpleName() + "'s superclass not ParameterizedType");
        return Object.class;
    }

    Type[] params = ((ParameterizedType) genType).getActualTypeArguments();

    if (index >= params.length || index < 0) {
        log.warn("Index: " + index + ", Size of " + clazz.getSimpleName() + "'s Parameterized Type: "
                + params.length);
        return Object.class;
    }
    if (!(params[index] instanceof Class)) {
        log.warn(clazz.getSimpleName() + " not set the actual class on superclass generic parameter");
        return Object.class;
    }
    return (Class) params[index];
}

---

From source file:activiti.common.persistence.util.ReflectHelper.java

/**
 * ??, Class?. , Object.class./*ww  w  . j  av  a2 s .  c o  m*/
 * 
 * public UserDao extends HibernateDao<User,Long>
 * 
 * @param clazz
 *            clazz The class to introspect
 * @param index
 *            the Index of the generic ddeclaration,start from 0.
 * @return the index generic declaration, or Object.class if cannot be
 *         determined
 */
public static Class getClassGenricType(final Class clazz, final int index) {

    Type genType = clazz.getGenericSuperclass();

    if (!(genType instanceof ParameterizedType)) {

        return Object.class;
    }

    Type[] params = ((ParameterizedType) genType).getActualTypeArguments();

    if ((index >= params.length) || (index < 0)) {

        return Object.class;
    }
    if (!(params[index] instanceof Class)) {

        return Object.class;
    }

    return (Class) params[index];
}

---

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

/**
 * Reads the generic type of the given class at the given index.
 * /*from w ww  . ja v  a 2  s.c o m*/
 * Note: this doesn't work, if class MyClass implements Super MyConcreteType
 *
 * @param clazz the class with generic types
 * @param index the index of the generic type
 * @return the generic type or null
 */
public static Class<?> getGenericTypeArgument(Class<?> clazz, int index) {
    Type genericSuperclass = clazz.getGenericSuperclass();
    return findGenericTypeArgument(genericSuperclass, index);
}

---

From source file:org.lightadmin.core.util.DomainConfigurationUtils.java

public static Class<?> configurationDomainType(Class clazz) {
    if (isAnnotationBasedConfigurationCandidate(clazz)) {
        final Administration annotation = findAnnotation(clazz, Administration.class);

        return annotation == null ? null : annotation.value();
    }//from  w  ww.  j  a v  a2  s. c  o m

    if (isSuperClassBasedConfigurationCandidate(clazz)) {
        final ParameterizedType genericSuperclass = (ParameterizedType) clazz.getGenericSuperclass();

        return (Class<?>) genericSuperclass.getActualTypeArguments()[0];
    }

    throw new RuntimeException("Unknown configuration candidate");
}

---

From source file:com.hihframework.core.utils.ReflectUtil.java

/**
 * ??,Class?.//from  w  ww  .  j  a  v a  2  s. c  o  m
 * , Object.class.
 * 
 * public UserDao extends HibernateDao<User,Long>
 *
 * @param clazz clazz The class to introspect
 * @param index the Index of the generic ddeclaration,start from 0.
 * @return the index generic declaration, or Object.class if cannot be determined
 */

public static Class<?> getSuperClassGenricType(final Class<?> clazz, final int index) {

    Type genType = clazz.getGenericSuperclass();

    if (!(genType instanceof ParameterizedType)) {
        // logger.warn(clazz.getSimpleName() +
        // "'s superclass not ParameterizedType");
        return Object.class;
    }

    Type[] params = ((ParameterizedType) genType).getActualTypeArguments();

    if (index >= params.length || index < 0) {
        logger.warn("Index: " + index + ", Size of " + clazz.getSimpleName() + "'s Parameterized Type: "
                + params.length);
        return Object.class;
    }
    if (!(params[index] instanceof Class)) {
        logger.warn(clazz.getSimpleName() + " not set the actual class on superclass generic parameter");
        return Object.class;
    }

    return (Class<?>) params[index];
}

---

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

/**
 * ??, Class?. , Object.class.//w w  w .  ja v a 2s . co m
 * <p>
 * public UserDao extends HibernateDao<User,Long>
 *
 * @param clazz clazz The class to introspect
 * @param index the Index of the generic ddeclaration,start from 0.
 * @return the index generic declaration, or Object.class if cannot be
 * determined
 */
public static Class getClassGenricType(final Class clazz, final int index) {

    Type genType = clazz.getGenericSuperclass();

    if (!(genType instanceof ParameterizedType)) {
        logger.warn(clazz.getSimpleName() + "'s superclass not ParameterizedType");
        return Object.class;
    }

    Type[] params = ((ParameterizedType) genType).getActualTypeArguments();

    if ((index >= params.length) || (index < 0)) {
        logger.warn("Index: {}, Size of {}'s Parameterized Type: {}", index, clazz.getSimpleName(),
                params.length);
        return Object.class;
    }
    if (!(params[index] instanceof Class)) {
        logger.warn(clazz.getSimpleName() + " not set the actual class on superclass generic parameter");
        return Object.class;
    }

    return (Class) params[index];
}

---

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

/**
 * ??, Class?. , Object.class.//from   w w  w.j  ava2  s.c  om
 * <p>
 * public UserDao extends HibernateDao<User,Long>
 *
 * @param clazz clazz The class to introspect
 * @param index the Index of the generic ddeclaration,start from 0.
 * @return the index generic declaration, or Object.class if cannot be
 * determined
 */
@SuppressWarnings("rawtypes")
public static Class getSuperClassGenricType(final Class clazz, final int index) {

    Type genType = clazz.getGenericSuperclass();

    if (!(genType instanceof ParameterizedType)) {
        logger.warn(clazz.getSimpleName() + "'s superclass not ParameterizedType");
        return Object.class;
    }

    Type[] params = ((ParameterizedType) genType).getActualTypeArguments();

    if (index >= params.length || index < 0) {
        logger.warn("Index: {}, Size of {}'s Parameterized Type: {}", index, clazz.getSimpleName(),
                params.length);
        return Object.class;
    }
    if (!(params[index] instanceof Class)) {
        logger.warn(clazz.getSimpleName() + " not set the actual class on superclass generic parameter");
        return Object.class;
    }

    return (Class) params[index];
}

---

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