/*
|
* The contents of this file are subject to the terms of the Common Development and
|
* Distribution License (the License). You may not use this file except in compliance with the
|
* License.
|
*
|
* You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
|
* specific language governing permission and limitations under the License.
|
*
|
* When distributing Covered Software, include this CDDL Header Notice in each file and include
|
* the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
|
* Header, with the fields enclosed by brackets [] replaced by your own identifying
|
* information: "Portions Copyright [year] [name of copyright owner]".
|
*
|
* Copyright 2008-2010 Sun Microsystems, Inc.
|
* Portions Copyright 2015-2016 ForgeRock AS.
|
*/
|
|
package org.opends.guitools.controlpanel.util;
|
|
import static org.forgerock.opendj.ldap.SearchScope.*;
|
|
import java.util.HashSet;
|
import java.util.Set;
|
|
import org.forgerock.opendj.ldap.requests.Requests;
|
import org.forgerock.opendj.ldap.requests.SearchRequest;
|
import org.forgerock.opendj.ldap.responses.SearchResultEntry;
|
import org.opends.admin.ads.util.ConnectionWrapper;
|
import org.opends.guitools.controlpanel.datamodel.CustomSearchResult;
|
import org.opends.guitools.controlpanel.event.EntryReadErrorEvent;
|
import org.opends.guitools.controlpanel.event.EntryReadEvent;
|
import org.opends.guitools.controlpanel.event.EntryReadListener;
|
|
/**
|
* A class that reads an entry on the background. This is used in the LDAP
|
* entries browser. When the entry is read it notifies to the EntryReadListener
|
* objects that have been registered.
|
*/
|
public class LDAPEntryReader extends BackgroundTask<CustomSearchResult>
|
{
|
private final String dn;
|
private final ConnectionWrapper conn;
|
private final Set<EntryReadListener> listeners = new HashSet<>();
|
private boolean isOver;
|
private boolean notifyListeners;
|
|
/**
|
* Constructor of the entry reader.
|
* @param dn the DN of the entry.
|
* @param conn the connection to the server.
|
*/
|
public LDAPEntryReader(String dn, ConnectionWrapper conn)
|
{
|
this.dn = dn;
|
this.conn = conn;
|
this.notifyListeners = true;
|
}
|
|
@Override
|
public CustomSearchResult processBackgroundTask() throws Throwable
|
{
|
isOver = false;
|
final String filter = "(|(objectclass=*)(objectclass=ldapsubentry))";
|
SearchRequest request = Requests.newSearchRequest(dn, BASE_OBJECT, filter, "*", "+");
|
SearchResultEntry sr = conn.getConnection().searchSingleEntry(request);
|
if (isInterrupted())
|
{
|
isOver = true;
|
}
|
return new CustomSearchResult(sr);
|
}
|
|
@Override
|
public void backgroundTaskCompleted(CustomSearchResult sr,
|
Throwable throwable)
|
{
|
if (!isInterrupted() && isNotifyListeners())
|
{
|
if (throwable == null)
|
{
|
notifyListeners(sr);
|
}
|
else
|
{
|
notifyListeners(throwable);
|
}
|
}
|
isOver = true;
|
}
|
|
/**
|
* Returns whether this entry reader will notify the listeners once it is
|
* over.
|
* @return whether this entry reader will notify the listeners once it is
|
* over.
|
*/
|
public boolean isNotifyListeners()
|
{
|
return notifyListeners;
|
}
|
|
/**
|
* Sets whether this entry reader will notify the listeners once it is
|
* over.
|
* @param notifyListeners whether this entry reader will notify the listeners
|
* once it is over.
|
*/
|
public void setNotifyListeners(boolean notifyListeners)
|
{
|
this.notifyListeners = notifyListeners;
|
}
|
|
/**
|
* Returns <CODE>true</CODE> if the read process is over and
|
* <CODE>false</CODE> otherwise.
|
* @return <CODE>true</CODE> if the read process is over and
|
* <CODE>false</CODE> otherwise.
|
*/
|
public boolean isOver()
|
{
|
return isOver;
|
}
|
|
/**
|
* Notifies listeners that a new entry was read.
|
* @param sr the new entry in form of CustomSearchResult.
|
*/
|
private void notifyListeners(CustomSearchResult sr)
|
{
|
EntryReadEvent ev = new EntryReadEvent(this, sr);
|
for (EntryReadListener listener : listeners)
|
{
|
listener.entryRead(ev);
|
}
|
}
|
|
/**
|
* Notifies the listeners that an error occurred reading an entry.
|
* @param t the error that occurred reading an entry.
|
*/
|
private void notifyListeners(Throwable t)
|
{
|
EntryReadErrorEvent ev = new EntryReadErrorEvent(this, dn, t);
|
for (EntryReadListener listener : listeners)
|
{
|
listener.entryReadError(ev);
|
}
|
}
|
|
/**
|
* Adds an EntryReadListener.
|
* @param listener the listener.
|
*/
|
public void addEntryReadListener(EntryReadListener listener)
|
{
|
listeners.add(listener);
|
}
|
|
/**
|
* Removes an EntryReadListener.
|
* @param listener the listener.
|
*/
|
public void removeEntryReadListener(EntryReadListener listener)
|
{
|
listeners.remove(listener);
|
}
|
}
|
