edu.vt.middleware.ldap.handler
Class MergeSearchResultHandler

java.lang.Object
  edu.vt.middleware.ldap.handler.AbstractResultHandler<T,T>
      edu.vt.middleware.ldap.handler.CopyResultHandler<SearchResult>
          edu.vt.middleware.ldap.handler.CopySearchResultHandler
              edu.vt.middleware.ldap.handler.MergeSearchResultHandler

All Implemented Interfaces:

ResultHandler<SearchResult,SearchResult>, SearchResultHandler

public class MergeSearchResultHandler
extends CopySearchResultHandler

MergeSearchResultHandler merges the attributes found in each search result into the first search result.

Version:

$Revision: 1330 $ $Date: 2010-05-23 18:10:53 -0400 (Sun, 23 May 2010) $

Author:

Middleware Services

Field Summary

Fields inherited from class edu.vt.middleware.ldap.handler.AbstractResultHandler

logger

Constructor Summary

MergeSearchResultHandler()

Method Summary

boolean	getAllowDuplicates() Returns whether to allow duplicate attribute values.
protected List<SearchResult>	mergeResults(List<SearchResult> results) Merges the search results in the supplied list into a single search result.
List<SearchResult>	process(SearchCriteria sc, List<? extends SearchResult> l) This will enumerate through the supplied List and return a List of those results.
List<SearchResult>	process(SearchCriteria sc, NamingEnumeration<? extends SearchResult> en, Class<?>[] ignore) This will enumerate through the supplied NamingEnumeration and return a List of those results.
void	setAllowDuplicates(boolean b) Sets whether to allow duplicate attribute values.

Methods inherited from class edu.vt.middleware.ldap.handler.CopySearchResultHandler

getAttributeHandler, processAttributes, processDn, processResult, setAttributeHandler

Methods inherited from class edu.vt.middleware.ldap.handler.AbstractResultHandler

process

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface edu.vt.middleware.ldap.handler.ResultHandler

process

Constructor Detail

MergeSearchResultHandler

public MergeSearchResultHandler()

Method Detail

getAllowDuplicates

public boolean getAllowDuplicates()

Returns whether to allow duplicate attribute values.

Returns:

boolean

setAllowDuplicates

public void setAllowDuplicates(boolean b)

Sets whether to allow duplicate attribute values.

Parameters:

b - boolean

process

public List<SearchResult> process(SearchCriteria sc,
                                  NamingEnumeration<? extends SearchResult> en,
                                  Class<?>[] ignore)
                           throws NamingException

This will enumerate through the supplied NamingEnumeration and return a List of those results. The results are unaltered and the dn is ignored. Any exceptions passed into this method will be ignored and results will be returned as if no exception occurred.

Specified by:

process in interface ResultHandler<SearchResult,SearchResult>

Overrides:

process in class AbstractResultHandler<SearchResult,SearchResult>

Parameters:

sc - SearchCriteria used to find enumeration

en - NamingEnumeration LDAP results

ignore - Class[] of exception types to ignore

Returns:

List - LDAP results

Throws:

NamingException - if the LDAP returns an error

process

public List<SearchResult> process(SearchCriteria sc,
                                  List<? extends SearchResult> l)
                           throws NamingException

This will enumerate through the supplied List and return a List of those results. The results are unaltered and the dn is ignored.

Specified by:

process in interface ResultHandler<SearchResult,SearchResult>

Overrides:

process in class AbstractResultHandler<SearchResult,SearchResult>

Parameters:

sc - SearchCriteria used to find enumeration

l - List LDAP results

Returns:

List - LDAP results

Throws:

NamingException - if the LDAP returns an error

mergeResults

protected List<SearchResult> mergeResults(List<SearchResult> results)
                                   throws NamingException

Merges the search results in the supplied list into a single search result. This method always returns a list of size zero or one.

Parameters:

results - List of search results to merge

Returns:

List of merged search results

Throws:

NamingException - if an error occurs reading attribute values