/*
* 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.model.impl;
import java.util.ArrayList;
import java.util.List;
import org.apache.directory.shared.ldap.util.LdapURL;
import org.apache.directory.studio.connection.core.Connection;
import org.apache.directory.studio.connection.core.ConnectionCorePlugin;
import org.apache.directory.studio.ldapbrowser.core.BrowserCorePlugin;
import org.apache.directory.studio.ldapbrowser.core.model.IBrowserConnection;
import org.apache.directory.studio.ldapbrowser.core.model.IContinuation;
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.SearchParameter;
import org.apache.directory.studio.ldapbrowser.core.model.schema.Schema;
/**
* An {@link SearchContinuation} represents a search continuation.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
* @version $Rev$, $Date$
*/
public class SearchContinuation extends Search implements IContinuation
{
private static final long serialVersionUID = 9039452279802784225L;
/** The search continuation URL */
private LdapURL searchContinuationURL;
/** The state */
private State state;
/** The dummy connection. */
private DummyConnection dummyConnection;
/**
* Creates a new instance of ContinuedSearchResultEntry.
*
* @param dn the DN
* @param resultBrowserConnection the connection
* @param connection the connection of the continued search
* @param dn the DN of the entry
*/
public SearchContinuation( ISearch originalSearch, LdapURL searchContinuationURL )
{
super( null, ( SearchParameter ) originalSearch.getSearchParameter().clone() );
this.searchContinuationURL = searchContinuationURL;
this.state = State.UNRESOLVED;
getSearchParameter().setName( searchContinuationURL.toString() );
// apply parameters from URL
if ( searchContinuationURL.getDn() != null && !searchContinuationURL.getDn().isEmpty() )
{
getSearchParameter().setSearchBase( searchContinuationURL.getDn() );
}
if ( searchContinuationURL.getFilter() != null && getSearchParameter().getFilter().length() > 0 )
{
getSearchParameter().setFilter( searchContinuationURL.getFilter() );
}
if ( searchContinuationURL.getScope() > -1 )
{
switch ( searchContinuationURL.getScope() )
{
case 0:
getSearchParameter().setScope( SearchScope.OBJECT );
break;
case 1:
getSearchParameter().setScope( SearchScope.ONELEVEL );
break;
case 2:
getSearchParameter().setScope( SearchScope.SUBTREE );
break;
}
}
if ( searchContinuationURL.getAttributes() != null && !searchContinuationURL.getAttributes().isEmpty() )
{
getSearchParameter()
.setReturningAttributes( searchContinuationURL.getAttributes().toArray( new String[0] ) );
}
}
@Override
public IBrowserConnection getBrowserConnection()
{
if ( state == State.RESOLVED )
{
return super.getBrowserConnection();
}
else
{
if ( dummyConnection == null )
{
dummyConnection = new DummyConnection( Schema.DEFAULT_SCHEMA );
}
return dummyConnection;
}
}
@Override
public ISearchResult[] getSearchResults()
{
if ( state == State.RESOLVED )
{
return super.getSearchResults();
}
else
{
return null;
}
}
/**
* {@inheritDoc}
*/
public State getState()
{
return state;
}
/**
* {@inheritDoc}
*/
public void resolve()
{
// get referral connection, exit if canceled
List<LdapURL> urls = new ArrayList<LdapURL>();
urls.add( searchContinuationURL );
Connection referralConnection = ConnectionCorePlugin.getDefault().getReferralHandler().getReferralConnection(
urls );
if ( referralConnection == null )
{
state = State.CANCELED;
return;
}
else
{
super.connection = BrowserCorePlugin.getDefault().getConnectionManager().getBrowserConnection(
referralConnection );
state = State.RESOLVED;
}
}
/**
* {@inheritDoc}
*/
public LdapURL getUrl()
{
return searchContinuationURL;
}
/**
* {@inheritDoc}
*/
public Object clone()
{
SearchContinuation clone = new SearchContinuation( this, getUrl() );
clone.state = this.state;
clone.dummyConnection = this.dummyConnection;
clone.connection = super.connection;
return clone;
}
}