DataPath

java.lang.Object

org.jdrupes.vmoperator.util.DataPath

public final class DataPath extends Object

Utility class that supports navigation through arbitrary data structures.

Method Summary

Modifier and Type

Method

Description

static <T> T

deepCopy(T object)

Attempts to make a as-deep-as-possible copy of the given container.

static <T> Optional<T>

get(Object from, Object... selectors)

Apply the given selectors on the given object and return the value reached.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details
- get
  
  public static <T> Optional<T> get(Object from, Object... selectors)
  
  Apply the given selectors on the given object and return the value reached.
  Selectors can be if type String or Number. The former are used to access a property of an object, the latter to access an element in an array or a List.
  
  Depending on the object currently visited, a String can be the key of a Map, the property part of a getter method or the name of a method that has an empty parameter list.
  
  Type Parameters:
  
  T - the generic type
  
  Parameters:
  
  from - the from
  
  selectors - the selectors
  
  Returns:
  
  the result
- deepCopy
  
  public static <T> T deepCopy(T object)
  
  Attempts to make a as-deep-as-possible copy of the given container.
  New containers will be created for Maps, Lists and Arrays. The method is invoked recursively for the entries/items.
  
  If invoked with an object that is neither a map, list or array, the methods checks if the object implements Cloneable and if it does, invokes its Object.clone() method. Else the method return the object.
  
  Type Parameters:
  
  T - the generic type
  
  Parameters:
  
  object - the container
  
  Returns:
  
  the t