Package org.springframework.core.style

Class DefaultValueStyler

java.lang.Object
org.springframework.core.style.DefaultValueStyler
All Implemented Interfaces:
ValueStyler
Direct Known Subclasses:
SimpleValueStyler
public class DefaultValueStyler extends Object implements ValueStyler
Converts objects to String form, generally for debugging purposes, using Spring's toString styling conventions.

Uses the reflective visitor pattern underneath the hood to nicely encapsulate styling algorithms for each type of styled object.

Since:
1.2.2
Author:
Keith Donald, Juergen Hoeller, Sam Brannen

  • Constructor Details

    • DefaultValueStyler

      public DefaultValueStyler()

  • Method Details

    • style

      public String style(@Nullable Object value)
      Description copied from interface: ValueStyler
      Style the given value, returning a String representation.
      Specified by:
      style in interface ValueStyler
      Parameters:
      value - the Object value to style
      Returns:
      the styled String

    • styleNull

      protected String styleNull()
      Generate a styled version of null.

      The default implementation returns "[null]".

      Returns:
      a styled version of null
      Since:
      6.0

    • styleString

      protected String styleString(String str)
      Generate a styled version of the supplied String.

      The default implementation returns the supplied string wrapped in single quotes.

      Returns:
      a styled version of the supplied string
      Since:
      6.0

    • styleClass

      protected String styleClass(Class<?> clazz)
      Generate a styled version of the supplied Class.

      The default implementation delegates to ClassUtils.getShortName(Class).

      Returns:
      a styled version of the supplied class
      Since:
      6.0

    • styleMethod

      protected String styleMethod(Method method)
      Generate a styled version of the supplied Method.

      The default implementation returns the method's name and the short name of the method's declaring class, separated by the "@" symbol.

      Returns:
      a styled version of the supplied method
      Since:
      6.0

    • styleMap

      protected <K, V> String styleMap(Map<K,V> map)
      Generate a styled version of the supplied Map.
      Returns:
      a styled version of the supplied map
      Since:
      6.0

    • styleMapEntry

      protected String styleMapEntry(Map.Entry<?,?> entry)
      Generate a styled version of the supplied Map.Entry.
      Returns:
      a styled version of the supplied map entry
      Since:
      6.0

    • styleCollection

      protected String styleCollection(Collection<?> collection)
      Generate a styled version of the supplied Collection.
      Returns:
      a styled version of the supplied collection
      Since:
      6.0

    • styleArray

      protected String styleArray(Object[] array)
      Generate a styled version of the supplied array.
      Returns:
      a styled version of the supplied array
      Since:
      6.0

    • styleObject

      protected String styleObject(Object obj)
      Generate a styled version of the supplied Object.

      This method is only invoked by style(Object) as a fallback, if none of the other style*() methods is suitable for the object's type.

      The default implementation delegates to String.valueOf(Object).

      Returns:
      a styled version of the supplied object
      Since:
      6.0