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/*
* Jitsi, the OpenSource Java VoIP and Instant Messaging client.
*
* Distributable under LGPL license.
* See terms of license at gnu.org.
*/
package net.java.sip.communicator.impl.ldap;
import java.util.*;
import java.util.regex.*;
import net.java.sip.communicator.service.contactsource.*;
import net.java.sip.communicator.service.ldap.*;
/**
* Implements <tt>ContactSourceService</tt> for LDAP.
* <p>
* In contrast to other contact source implementations like AddressBook and
* Outlook the LDAP contact source implementation is explicitly moved to the
* "impl.ldap" package in order to allow us to create LDAP contact sources
* for ldap directories through the LdapService.
* </p>
*
* @author Sebastien Vincent
*/
public class LdapContactSourceService
implements ExtendedContactSourceService
{
/**
* The <tt>List</tt> of <tt>LdapContactQuery</tt> instances
* which have been started and haven't stopped yet.
*/
private final List<LdapContactQuery> queries
= new LinkedList<LdapContactQuery>();
/**
* LDAP name.
*/
private final LdapDirectory ldapDirectory;
/**
* Constructor.
*
* @param ldapDirectory LDAP directory
*/
public LdapContactSourceService(LdapDirectory ldapDirectory)
{
this.ldapDirectory = ldapDirectory;
}
/**
* Queries this search source for the given <tt>searchPattern</tt>.
*
* @param queryPattern the pattern to search for
* @return the created query
*/
public ContactQuery queryContactSource(Pattern queryPattern)
{
return queryContactSource(queryPattern,
LdapContactQuery.LDAP_MAX_RESULTS);
}
/**
* Queries this search source for the given <tt>searchPattern</tt>.
*
* @param queryPattern the pattern to search for
* @param count maximum number of contact returned
* @return the created query
*/
public ContactQuery queryContactSource(Pattern queryPattern, int count)
{
LdapContactQuery query = new LdapContactQuery(this, queryPattern,
count);
synchronized (queries)
{
queries.add(query);
}
boolean hasStarted = false;
try
{
query.start();
hasStarted = true;
}
finally
{
if (!hasStarted)
{
synchronized (queries)
{
if (queries.remove(query))
queries.notify();
}
}
}
return query;
}
/**
* Returns a user-friendly string that identifies this contact source.
* @return the display name of this contact source
*/
public String getDisplayName()
{
return ldapDirectory.getSettings().getName();
}
/**
* Returns the identifier of this contact source. Some of the common
* identifiers are defined here (For example the CALL_HISTORY identifier
* should be returned by all call history implementations of this interface)
* @return the identifier of this contact source
*/
public int getType()
{
return SEARCH_TYPE;
}
/**
* Queries this search source for the given <tt>queryString</tt>.
* @param query the string to search for
* @return the created query
*/
public ContactQuery queryContactSource(String query)
{
return queryContactSource(
Pattern.compile(query), LdapContactQuery.LDAP_MAX_RESULTS);
}
/**
* Queries this search source for the given <tt>queryString</tt>.
*
* @param query the string to search for
* @param contactCount the maximum count of result contacts
* @return the created query
*/
public ContactQuery queryContactSource(String query, int contactCount)
{
return queryContactSource(Pattern.compile(query), contactCount);
}
/**
* Stops this <tt>ContactSourceService</tt> implementation and prepares it
* for garbage collection.
*
* @see AsyncContactSourceService#stop()
*/
public void stop()
{
boolean interrupted = false;
synchronized (queries)
{
while (!queries.isEmpty())
{
queries.get(0).cancel();
try
{
queries.wait();
}
catch (InterruptedException iex)
{
interrupted = true;
}
}
}
if (interrupted)
Thread.currentThread().interrupt();
}
/**
* Get LDAP directory.
*
* @return LDAP directory
*/
public LdapDirectory getLdapDirectory()
{
return ldapDirectory;
}
/**
* Returns the phoneNumber prefix for all phone numbers.
*
* @return the phoneNumber prefix for all phone numbers
*/
public String getPhoneNumberPrefix()
{
return ldapDirectory.getSettings().getGlobalPhonePrefix();
}
/**
* Notifies this <tt>LdapContactSourceService</tt> that a specific
* <tt>LdapContactQuery</tt> has stopped.
*
* @param query the <tt>LdapContactQuery</tt> which has stopped
*/
void stopped(LdapContactQuery query)
{
synchronized (queries)
{
if (queries.remove(query))
queries.notify();
}
}
/**
* Returns the index of the contact source in the result list.
*
* @return the index of the contact source in the result list
*/
public int getIndex()
{
return -1;
}
}
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