Package org.springframework.boot.util

Class Instantiator<T>

java.lang.Object
org.springframework.boot.util.Instantiator<T>
Type Parameters:
T - the type to instantiate
public class Instantiator<T> extends Object
Simple factory used to instantiate objects by injecting available parameters.
Since:
2.4.0

  • Constructor Details

  • Method Details

    • instantiate

      public List<T> instantiate(Collection<String> names)
      Instantiate the given set of class name, injecting constructor arguments as necessary.
      Parameters:
      names - the class names to instantiate
      Returns:
      a list of instantiated instances

    • instantiate

      public List<T> instantiate(ClassLoader classLoader, Collection<String> names)
      Instantiate the given set of class name, injecting constructor arguments as necessary.
      Parameters:
      classLoader - the source classloader
      names - the class names to instantiate
      Returns:
      a list of instantiated instances
      Since:
      2.4.8

    • instantiate

      public T instantiate(String name)
      Instantiate the given set of class name, injecting constructor arguments as necessary.
      Parameters:
      name - the class name to instantiate
      Returns:
      an instantiated instance
      Since:
      3.4.0

    • instantiate

      public T instantiate(ClassLoader classLoader, String name)
      Instantiate the given set of class name, injecting constructor arguments as necessary.
      Parameters:
      classLoader - the source classloader
      name - the class name to instantiate
      Returns:
      an instantiated instance
      Since:
      3.4.0

    • instantiateType

      public T instantiateType(Class<?> type)
      Instantiate the given class, injecting constructor arguments as necessary.
      Parameters:
      type - the type to instantiate
      Returns:
      an instantiated instance
      Since:
      3.4.0

    • instantiateTypes

      public List<T> instantiateTypes(Collection<Class<?>> types)
      Instantiate the given set of classes, injecting constructor arguments as necessary.
      Parameters:
      types - the types to instantiate
      Returns:
      a list of instantiated instances
      Since:
      2.4.8

    • getArg

      public <A> A getArg(Class<A> type)
      Get an injectable argument instance for the given type. This method can be used when manually instantiating an object without reflection.
      Type Parameters:
      A - the argument type
      Parameters:
      type - the argument type
      Returns:
      the argument to inject or null
      Since:
      3.4.0