// onjava/BasicSupplier.java
// (c)2017 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
// Supplier from a class with a no-arg constructor
package onjava;
import java.util.function.*;

public class BasicSupplier<T> implements Supplier<T> {
 private Class<T> type;
 public BasicSupplier(Class<T> type) {
 this.type = type;
 }
 @Override
 public T get() {
 try {
 // Assumes type is a public class:
 return type.newInstance();
 } catch(InstantiationException |
 IllegalAccessException e) {
 throw new RuntimeException(e);
 }
 }
 // Produce a default Supplier from a type token:
 public static <T> Supplier<T> create(Class<T> type) {
 return new BasicSupplier<>(type);
 }
}