/*
* 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.ldapstudio.browser.ui.dnd;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.apache.directory.ldapstudio.browser.core.BrowserCorePlugin;
import org.apache.directory.ldapstudio.browser.core.model.IConnection;
import org.apache.directory.ldapstudio.browser.core.model.ISearch;
import org.eclipse.swt.dnd.ByteArrayTransfer;
import org.eclipse.swt.dnd.TransferData;
public class SearchTransfer extends ByteArrayTransfer
{
private static final String TYPENAME = "org.apache.directory.ldapstudio.browser.search";
private static final int TYPEID = registerType( TYPENAME );
private static SearchTransfer instance = new SearchTransfer();
private SearchTransfer()
{
}
public static SearchTransfer getInstance()
{
return instance;
}
public void javaToNative( Object object, TransferData transferData )
{
if ( object == null || !( object instanceof ISearch[] ) )
return;
if ( isSupportedType( transferData ) )
{
ISearch[] searches = ( ISearch[] ) object;
try
{
ByteArrayOutputStream out = new ByteArrayOutputStream();
DataOutputStream writeOut = new DataOutputStream( out );
for ( int i = 0; i < searches.length; i++ )
{
byte[] connectionName = searches[i].getConnection().getName().getBytes();
writeOut.writeInt( connectionName.length );
writeOut.write( connectionName );
byte[] searchName = searches[i].getName().getBytes();
writeOut.writeInt( searchName.length );
writeOut.write( searchName );
}
byte[] buffer = out.toByteArray();
writeOut.close();
super.javaToNative( buffer, transferData );
}
catch ( IOException e )
{
}
}
}
public Object nativeToJava( TransferData transferData )
{
try
{
if ( isSupportedType( transferData ) )
{
byte[] buffer = ( byte[] ) super.nativeToJava( transferData );
if ( buffer == null )
return null;
List searchList = new ArrayList();
try
{
IConnection connection = null;
ByteArrayInputStream in = new ByteArrayInputStream( buffer );
DataInputStream readIn = new DataInputStream( in );
do
{
if ( readIn.available() > 1 )
{
int size = readIn.readInt();
byte[] connectionName = new byte[size];
readIn.read( connectionName );
connection = BrowserCorePlugin.getDefault().getConnectionManager().getConnection(
new String( connectionName ) );
}
ISearch search = null;
if ( readIn.available() > 1 && connection != null )
{
int size = readIn.readInt();
byte[] searchName = new byte[size];
readIn.read( searchName );
search = connection.getSearchManager().getSearch( new String( searchName ) );
}
else
{
return null;
}
if ( search != null )
{
searchList.add( search );
}
}
while ( readIn.available() > 1 );
readIn.close();
}
catch ( IOException ex )
{
return null;
}
return searchList.isEmpty() ? null : searchList.toArray( new ISearch[0] );
}
}
catch ( Exception e )
{
e.printStackTrace();
}
return null;
}
protected String[] getTypeNames()
{
return new String[]
{ TYPENAME };
}
protected int[] getTypeIds()
{
return new int[]
{ TYPEID };
}
}