/*
* 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.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import javax.naming.NamingEnumeration;
import javax.naming.NamingException;
import javax.naming.directory.Attribute;
import javax.naming.directory.SearchResult;
import javax.naming.ldap.Control;
import javax.naming.ldap.PagedResultsResponseControl;
import org.apache.commons.codec.digest.DigestUtils;
import org.apache.directory.shared.ldap.name.LdapDN;
import org.apache.directory.studio.connection.core.Connection;
import org.apache.directory.studio.connection.core.StudioControl;
import org.apache.directory.studio.connection.core.StudioPagedResultsControl;
import org.apache.directory.studio.connection.core.io.jndi.StudioNamingEnumeration;
import org.apache.directory.studio.connection.core.jobs.StudioProgressMonitor;
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.SearchParameter;
import org.apache.directory.studio.ldapbrowser.core.model.impl.DummyEntry;
import org.apache.directory.studio.ldapbrowser.core.utils.AttributeComparator;
import org.apache.directory.studio.ldapbrowser.core.utils.JNDIUtils;
import org.apache.directory.studio.ldapbrowser.core.utils.ModelConverter;
import org.apache.directory.studio.ldapbrowser.core.utils.Utils;
import org.apache.directory.studio.ldifparser.LdifFormatParameters;
import org.apache.directory.studio.ldifparser.model.LdifEnumeration;
import org.apache.directory.studio.ldifparser.model.container.LdifContainer;
import org.apache.directory.studio.ldifparser.model.container.LdifContentRecord;
import org.apache.directory.studio.ldifparser.model.lines.LdifAttrValLine;
import org.apache.directory.studio.ldifparser.model.lines.LdifDnLine;
import org.apache.directory.studio.ldifparser.model.lines.LdifSepLine;
import org.apache.directory.studio.ldifparser.model.lines.LdifVersionLine;
/**
* Job to export directory content to an LDIF file.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
* @version $Rev$, $Date$
*/
public class ExportLdifJob extends AbstractEclipseJob
{
/** The filename of the LDIF file. */
private String exportLdifFilename;
/** The browser connection. */
private IBrowserConnection browserConnection;
/** The search parameter. */
private SearchParameter searchParameter;
/**
* Creates a new instance of ExportLdifJob.
*
* @param exportLdifFilename the filename of the LDIF file
* @param browserConnection the browser connection
* @param searchParameter the search parameter
*/
public ExportLdifJob( String exportLdifFilename, IBrowserConnection browserConnection,
SearchParameter searchParameter )
{
this.exportLdifFilename = exportLdifFilename;
this.browserConnection = browserConnection;
this.searchParameter = searchParameter;
setName( BrowserCoreMessages.jobs__export_ldif_name );
}
/**
* @see org.apache.directory.studio.ldapbrowser.core.jobs.AbstractEclipseJob#getConnections()
*/
protected Connection[] getConnections()
{
return new Connection[]
{ browserConnection.getConnection() };
}
/**
* @see org.apache.directory.studio.ldapbrowser.core.jobs.AbstractEclipseJob#getLockedObjects()
*/
protected Object[] getLockedObjects()
{
List<Object> l = new ArrayList<Object>();
l.add( browserConnection.getUrl() + "_" + DigestUtils.shaHex( exportLdifFilename ) );
return l.toArray();
}
/**
* @see org.apache.directory.studio.ldapbrowser.core.jobs.AbstractEclipseJob#executeAsyncJob(org.apache.directory.studio.connection.core.jobs.StudioProgressMonitor)
*/
protected void executeAsyncJob( StudioProgressMonitor monitor )
{
monitor.beginTask( BrowserCoreMessages.jobs__export_ldif_task, 2 );
monitor.reportProgress( " " ); //$NON-NLS-1$
monitor.worked( 1 );
try
{
// open file
FileWriter fileWriter = new FileWriter( exportLdifFilename );
BufferedWriter bufferedWriter = new BufferedWriter( fileWriter );
// export
int count = 0;
export( browserConnection, searchParameter, bufferedWriter, count, monitor );
// close file
bufferedWriter.close();
fileWriter.close();
}
catch ( Exception e )
{
monitor.reportError( e );
}
}
private static void export( IBrowserConnection browserConnection, SearchParameter searchParameter,
BufferedWriter bufferedWriter, int count, StudioProgressMonitor monitor ) throws IOException
{
try
{
JndiLdifEnumeration enumeration = search( browserConnection, searchParameter, monitor );
LdifFormatParameters ldifFormatParameters = Utils.getLdifFormatParameters();
// add version spec
LdifVersionLine ldifVersionLine = LdifVersionLine.create();
String ldifVersionLineString = ldifVersionLine.toFormattedString( ldifFormatParameters );
bufferedWriter.write( ldifVersionLineString );
LdifSepLine ldifSepLine = LdifSepLine.create();
String ldifSepLineString = ldifSepLine.toFormattedString( ldifFormatParameters );
bufferedWriter.write( ldifSepLineString );
// add the records
while ( !monitor.isCanceled() && !monitor.errorsReported() && enumeration.hasNext() )
{
LdifContainer container = enumeration.next();
if ( container instanceof LdifContentRecord )
{
LdifContentRecord record = ( LdifContentRecord ) container;
LdifDnLine dnLine = record.getDnLine();
LdifAttrValLine[] attrValLines = record.getAttrVals();
LdifSepLine sepLine = record.getSepLine();
// sort and format
DummyEntry entry = ModelConverter.ldifContentRecordToEntry( record, browserConnection );
AttributeComparator comparator = new AttributeComparator( entry );
Arrays.sort( attrValLines, comparator );
LdifContentRecord newRecord = new LdifContentRecord( dnLine );
for ( int i = 0; i < attrValLines.length; i++ )
{
newRecord.addAttrVal( attrValLines[i] );
}
newRecord.finish( sepLine );
String s = newRecord.toFormattedString( ldifFormatParameters );
// String s = record.toFormattedString();
bufferedWriter.write( s );
count++;
monitor.reportProgress( BrowserCoreMessages.bind( BrowserCoreMessages.jobs__export_progress,
new String[]
{ Integer.toString( count ) } ) );
}
}
}
catch ( NamingException ne )
{
int ldapStatusCode = JNDIUtils.getLdapStatusCode( ne );
if ( ldapStatusCode == 3 || ldapStatusCode == 4 || ldapStatusCode == 11 )
{
// ignore
}
else
{
monitor.reportError( ne );
}
}
}
protected String getErrorMessage()
{
return BrowserCoreMessages.jobs__export_ldif_error;
}
static JndiLdifEnumeration search( IBrowserConnection browserConnection, SearchParameter parameter,
StudioProgressMonitor monitor )
{
StudioNamingEnumeration result = SearchRunnable.search( browserConnection, parameter, monitor );
return new JndiLdifEnumeration( result, browserConnection, parameter, monitor );
}
static class JndiLdifEnumeration implements LdifEnumeration
{
private StudioNamingEnumeration enumeration;
private IBrowserConnection browserConnection;
private SearchParameter parameter;
private StudioProgressMonitor monitor;
public JndiLdifEnumeration( StudioNamingEnumeration enumeration, IBrowserConnection browserConnection,
SearchParameter parameter, StudioProgressMonitor monitor )
{
this.enumeration = enumeration;
this.browserConnection = browserConnection;
this.parameter = parameter;
this.monitor = monitor;
}
public boolean hasNext() throws NamingException
{
if ( enumeration != null )
{
if ( enumeration.hasMore() )
{
return true;
}
Control[] jndiControls = enumeration.getResponseControls();
if ( jndiControls != null )
{
for ( Control jndiControl : jndiControls )
{
if ( jndiControl instanceof PagedResultsResponseControl )
{
PagedResultsResponseControl prrc = ( PagedResultsResponseControl ) jndiControl;
byte[] cookie = prrc.getCookie();
if ( cookie != null )
{
// search again: pass the response cookie to the request control
for ( StudioControl studioControl : parameter.getControls() )
{
if ( studioControl instanceof StudioPagedResultsControl )
{
StudioPagedResultsControl sprc = ( StudioPagedResultsControl ) studioControl;
sprc.setCookie( cookie );
}
}
enumeration = SearchRunnable.search( browserConnection, parameter, monitor );
return enumeration != null && enumeration.hasMore();
}
}
}
}
}
return false;
}
public LdifContainer next() throws NamingException
{
SearchResult sr = enumeration.next();
LdapDN dn = JNDIUtils.getDn( sr );
LdifContentRecord record = LdifContentRecord.create( dn.getUpName() );
NamingEnumeration<? extends Attribute> attributeEnumeration = sr.getAttributes().getAll();
while ( attributeEnumeration.hasMore() )
{
Attribute attribute = attributeEnumeration.next();
String attributeName = attribute.getID();
NamingEnumeration<?> valueEnumeration = attribute.getAll();
while ( valueEnumeration.hasMore() )
{
Object o = valueEnumeration.next();
if ( o instanceof String )
{
record.addAttrVal( LdifAttrValLine.create( attributeName, ( String ) o ) );
}
if ( o instanceof byte[] )
{
record.addAttrVal( LdifAttrValLine.create( attributeName, ( byte[] ) o ) );
}
}
}
record.finish( LdifSepLine.create() );
return record;
}
}
}