Java Object Create as(Object o, Class clazz)

Description

Attempts to cast to the specified type, returns null if not castable.

License

Open Source License

Parameter

Parameter	Description
T	a parameter
o	a parameter
clazz	a parameter

Declaration

@SuppressWarnings("unchecked")
public static <T> T as(Object o, Class<T> clazz) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

public class Main {
    /**/*w  w  w .  j  a  v a2 s. c o m*/
     * Attempts to cast to the specified type, returns null if not castable. Useful with generics, and avoids spreading warnings throughout the code.
     * 
     * @param <T>
     * @param o
     * @param clazz
     * @return
     */
    @SuppressWarnings("unchecked")
    public static <T> T as(Object o, Class<T> clazz) {
        if (o == null)
            return null;
        if (!clazz.isAssignableFrom(o.getClass()))
            return null;
        return (T) o;
    }
}

Related

1. as(Class type, Object value)
2. as(Class type, U o)
3. as(Object cst)
4. as(Object instance, Class clazz)
5. as(Object o)
6. as(Object obj)
7. as(Object value, Class c)
8. as(Object value, Class type)
9. toObject(boolean[] array)