| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| |
| package org.apache.directory.studio.ldapbrowser.core.jobs; |
| |
| |
| import java.util.List; |
| |
| import org.apache.directory.api.ldap.model.message.Control; |
| import org.apache.directory.api.ldap.model.message.SearchScope; |
| import org.apache.directory.api.ldap.model.name.Dn; |
| import org.apache.directory.studio.common.core.jobs.StudioProgressMonitor; |
| import org.apache.directory.studio.connection.core.Connection; |
| import org.apache.directory.studio.connection.core.Connection.AliasDereferencingMethod; |
| import org.apache.directory.studio.connection.core.Connection.ReferralHandlingMethod; |
| import org.apache.directory.studio.connection.core.jobs.StudioConnectionBulkRunnableWithProgress; |
| import org.apache.directory.studio.ldapbrowser.core.BrowserCoreMessages; |
| import org.apache.directory.studio.ldapbrowser.core.model.IBrowserConnection; |
| import org.apache.directory.studio.ldapbrowser.core.model.IEntry; |
| import org.apache.directory.studio.ldapbrowser.core.model.ISearch; |
| import org.apache.directory.studio.ldapbrowser.core.model.ISearchResult; |
| import org.apache.directory.studio.ldapbrowser.core.model.impl.Search; |
| |
| |
| /** |
| * Runnable to read a single entry from directory. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class ReadEntryRunnable implements StudioConnectionBulkRunnableWithProgress |
| { |
| /** The browser connection. */ |
| private IBrowserConnection browserConnection; |
| |
| /** The Dn of the entry. */ |
| private Dn dn; |
| |
| /** The entry read from directory. */ |
| private IEntry readEntry; |
| |
| |
| /** |
| * Creates a new instance of ReadEntryRunnable. |
| * |
| * @param browserConnection the browser connection |
| * @param dn the Dn of the entry |
| */ |
| public ReadEntryRunnable( IBrowserConnection browserConnection, Dn dn ) |
| { |
| this.browserConnection = browserConnection; |
| this.dn = dn; |
| this.readEntry = null; |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public Connection[] getConnections() |
| { |
| return new Connection[] |
| { browserConnection.getConnection() }; |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public String getName() |
| { |
| return BrowserCoreMessages.jobs__read_entry_name; |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public Object[] getLockedObjects() |
| { |
| return new Object[] |
| { browserConnection }; |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public String getErrorMessage() |
| { |
| return BrowserCoreMessages.jobs__read_entry_error; |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void run( StudioProgressMonitor pm ) |
| { |
| readEntry = browserConnection.getEntryFromCache( dn ); |
| if ( readEntry == null ) |
| { |
| pm.beginTask( BrowserCoreMessages.bind( BrowserCoreMessages.jobs__read_entry_task, new String[] |
| { dn.toString() } ), 2 ); |
| pm.reportProgress( " " ); //$NON-NLS-1$ |
| pm.worked( 1 ); |
| |
| readEntry = getEntry( browserConnection, dn, null, pm ); |
| } |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void runNotification( StudioProgressMonitor monitor ) |
| { |
| } |
| |
| |
| /** |
| * Gets the entry, either from the BrowserConnection's cache or from the directory. |
| * |
| * @param browserConnection the browser connection |
| * @param dn the Dn of the entry |
| * @param controls the LDAP controls |
| * @param monitor the progress monitor |
| * |
| * @return the read entry |
| */ |
| static IEntry getEntry( IBrowserConnection browserConnection, Dn dn, List<Control> controls, |
| StudioProgressMonitor monitor ) |
| { |
| try |
| { |
| // first check cache |
| IEntry entry = browserConnection.getEntryFromCache( dn ); |
| if ( entry != null ) |
| { |
| return entry; |
| } |
| |
| // search in directory |
| ISearch search = new Search( null, browserConnection, dn, null, ISearch.NO_ATTRIBUTES, SearchScope.OBJECT, |
| 1, 0, AliasDereferencingMethod.NEVER, ReferralHandlingMethod.IGNORE, true, controls, false ); |
| SearchRunnable.searchAndUpdateModel( browserConnection, search, monitor ); |
| ISearchResult[] srs = search.getSearchResults(); |
| if ( srs.length > 0 ) |
| { |
| return srs[0].getEntry(); |
| } |
| else |
| { |
| monitor.reportError( BrowserCoreMessages.bind( BrowserCoreMessages.model__no_such_entry, dn ) ); |
| return null; |
| } |
| } |
| catch ( Exception e ) |
| { |
| monitor.reportError( e ); |
| return null; |
| } |
| } |
| |
| |
| /** |
| * Gets the read entry. |
| * |
| * @return the read entry |
| */ |
| public IEntry getReadEntry() |
| { |
| return readEntry; |
| } |
| } |