Package org.springframework.ldap.filter

Class PresentFilter

java.lang.Object
org.springframework.ldap.filter.AbstractFilter
org.springframework.ldap.filter.PresentFilter
All Implemented Interfaces:
Filter
public class PresentFilter extends AbstractFilter
Filter that allows the user to check for the existence of a attribute. For an attribute to be 'present' it must contain a value. Attributes that do not contain a value are 'NOT present'. To filter on attributes that are 'NOT present' use the NotPresentFilter or use this filter in combination with a NotFilter . 
 PresentFilter filter = new PresentFilter("foo");
 System.out.println(filter.encode());
would result in: 
  (foo=*)

  • Constructor Details

    • PresentFilter

      public PresentFilter(String attribute)
      Creates a new instance of a present filter for a particular attribute.
      Parameters:
      attribute - the attribute expected to be present (ie, contains a value).

  • Method Details

    • encode

      public StringBuffer encode(StringBuffer buff)
      Description copied from interface: Filter
      Encodes the filter to a StringBuffer.
      Parameters:
      buff - The StringBuffer to encode the filter to
      Returns:
      The same StringBuffer as was given

    • equals

      public boolean equals(Object o)
      Description copied from interface: Filter
      All filters must implement equals.
      Specified by:
      equals in interface Filter
      Overrides:
      equals in class Object
      Returns:
      true if the objects are equal.

    • hashCode

      public int hashCode()
      Description copied from interface: Filter
      All filters must implement hashCode.
      Specified by:
      hashCode in interface Filter
      Overrides:
      hashCode in class Object
      Returns:
      the hash code according to the contract in Object.hashCode()