| /* |
| * 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 |
| * |
| * https://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.api.ldap.codec.actions.controls; |
| |
| |
| import org.apache.directory.api.asn1.DecoderException; |
| import org.apache.directory.api.asn1.ber.grammar.GrammarAction; |
| import org.apache.directory.api.asn1.ber.tlv.BerValue; |
| import org.apache.directory.api.asn1.ber.tlv.TLV; |
| import org.apache.directory.api.i18n.I18n; |
| import org.apache.directory.api.ldap.codec.api.ControlFactory; |
| import org.apache.directory.api.ldap.codec.api.LdapMessageContainer; |
| import org.apache.directory.api.ldap.model.message.Control; |
| import org.apache.directory.api.ldap.model.message.Message; |
| import org.apache.directory.api.ldap.model.message.controls.OpaqueControl; |
| import org.apache.directory.api.util.Strings; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| |
| /** |
| * The action used to set the value of a control. This is an extension point |
| * where different controls can be plugged in (at least eventually). For now we |
| * hard code controls. |
| * <pre> |
| * Control ::= SEQUENCE { |
| * ... |
| * controlValue OCTET STRING OPTIONAL } |
| * </pre> |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class StoreControlValue extends GrammarAction<LdapMessageContainer<Message>> |
| { |
| /** The logger */ |
| private static final Logger LOG = LoggerFactory.getLogger( StoreControlValue.class ); |
| |
| |
| /** |
| * Instantiates a new StoreControlValue action. |
| */ |
| public StoreControlValue() |
| { |
| super( "Store the control value" ); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void action( LdapMessageContainer<Message> container ) throws DecoderException |
| { |
| TLV tlv = container.getCurrentTLV(); |
| |
| Control control = container.getCurrentControl(); |
| |
| // Get the current control |
| BerValue value = tlv.getValue(); |
| |
| // Store the value - have to handle the special case of a 0 length value |
| if ( tlv.getLength() >= 0 ) |
| { |
| ControlFactory<?> factory = container.getControlFactory(); |
| |
| if ( factory == null ) |
| { |
| // We don't know about this control, so it's an opaque control |
| ( ( OpaqueControl ) control ).setEncodedValue( value.getData() ); |
| } |
| else |
| { |
| factory.decodeValue( control, value.getData() ); |
| } |
| } |
| |
| // We can have an END transition |
| container.setGrammarEndAllowed( true ); |
| |
| if ( LOG.isDebugEnabled() ) |
| { |
| LOG.debug( I18n.msg( I18n.MSG_08203_CONTROL_VALUE, Strings.dumpBytes( value.getData() ) ) ); |
| } |
| } |
| } |