Package netscape.ldap.client

Class JDAPFilter

java.lang.Object
netscape.ldap.client.JDAPFilter
Direct Known Subclasses:
JDAPFilterAVA, JDAPFilterExtensible, JDAPFilterNot, JDAPFilterPresent, JDAPFilterSet, JDAPFilterSubString
public abstract class JDAPFilter extends Object
This class implements the filter. 
   Filter ::= CHOICE {
     and [0] SET OF Filter,
     or [1] SET OF Filter,
     not [2] Filter,
     equalityMatch [3] AttributeValueAssertion,
     substrings [4] SubstringFilter,
     greaterOrEqual [5] AttributeValueAssertion,
     lessOrEqual [6] AttributeValueAssertion,
     present [7] AttributeType,
     approxMatch [8] AttributeValueAssertion
   }
Version:
1.0

  • Constructor Details

    • JDAPFilter

      public JDAPFilter()
      Constructs a empty filter.

  • Method Details

    • getFilter

      public static JDAPFilter getFilter(String filter)
      Constructs filter from filter string specified in RFC1558. 
      
 <filter> ::= '(' <filtercomp> ')'
 <filtercomp> ::= <and> | <or> | <not> | <item>
 <and> ::= '&' <filterlist>
 <or> ::= '|' <filterlist>
 <not> ::= '!' <filter>
 <filterlist> ::= <filter> | <filter> <filterlist>
 <item> ::= <simple> | <present> | <substring>
 <simple> ::= <attr> <filtertype> <value>
 <filtertype> ::= <equal> | <approx> | <greater> | <less>
 <equal> ::= '='
 <approx> ::= '~='
 <greater> ::= '>='
 <less> ::= '<='
 <present> ::= <attr> '=*'
 <substring> ::= <attr> '=' <initial> <any> <final>
 <initial> ::= NULL | <value>
 <any> ::= '*' <starval>
 <starval> ::= NULL | <value> '*' <starval>
 <final> ::= NULL | <value>
      Parameters:
      filter - filter string as specified in RFC1558
      Returns:
      filter

    • getFilterComp

      public static JDAPFilter getFilterComp(String f)
      Constructs the filter computation.
      Parameters:
      f - filter string within brackets
      Returns:
      filter

    • getFilterList

      public static JDAPFilter[] getFilterList(String list)
      Parses a list of filters
      Parameters:
      list - filter list (i.e. (filter)(filter)...)
      Returns:
      list of filters

    • getFilterItem

      public static JDAPFilter getFilterItem(String item)
      Gets filter item.
      Parameters:
      item - filter item string
      Returns:
      filter

    • getBERElement

      public abstract BERElement getBERElement()
      Gets the ber representation of filter.
      Returns:
      ber representation of filter

    • toString

      public abstract String toString()
      Retrieves the string representation of filter.
      Overrides:
      toString in class Object
      Returns:
      string representation of filter