001/*
002 *  Licensed to the Apache Software Foundation (ASF) under one
003 *  or more contributor license agreements.  See the NOTICE file
004 *  distributed with this work for additional information
005 *  regarding copyright ownership.  The ASF licenses this file
006 *  to you under the Apache License, Version 2.0 (the
007 *  "License"); you may not use this file except in compliance
008 *  with the License.  You may obtain a copy of the License at
009 *
010 *    https://www.apache.org/licenses/LICENSE-2.0
011 *
012 *  Unless required by applicable law or agreed to in writing,
013 *  software distributed under the License is distributed on an
014 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 *  KIND, either express or implied.  See the License for the
016 *  specific language governing permissions and limitations
017 *  under the License.
018 *
019 */
020package org.apache.directory.api.ldap.codec.actions.request.add;
021
022
023import org.apache.directory.api.asn1.ber.grammar.GrammarAction;
024import org.apache.directory.api.asn1.ber.tlv.TLV;
025import org.apache.directory.api.i18n.I18n;
026import org.apache.directory.api.ldap.codec.api.LdapMessageContainer;
027import org.apache.directory.api.ldap.model.entry.Attribute;
028import org.apache.directory.api.ldap.model.exception.LdapException;
029import org.apache.directory.api.ldap.model.message.AddRequest;
030import org.apache.directory.api.util.Strings;
031import org.slf4j.Logger;
032import org.slf4j.LoggerFactory;
033
034
035/**
036 * The action used to store a Value to an AddRequest
037 * <pre>
038 * AttributeList ::= SEQUENCE OF SEQUENCE {
039 *     ...
040 *     vals SET OF AttributeValue }
041 *
042 * AttributeValue OCTET STRING
043 * </pre>
044 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
045 */
046public class AddAttributeValue extends GrammarAction<LdapMessageContainer<AddRequest>>
047{
048    /** The logger */
049    private static final Logger LOG = LoggerFactory.getLogger( AddAttributeValue.class );
050
051    /**
052     * Instantiates a new value action.
053     */
054    public AddAttributeValue()
055    {
056        super( "Store a value" );
057    }
058
059
060    /**
061     * {@inheritDoc}
062     */
063    @Override
064    public void action( LdapMessageContainer<AddRequest> container )
065    {
066        Attribute currentAttribute = container.getCurrentAttribute();
067
068        TLV tlv = container.getCurrentTLV();
069
070        // Store the value. It can't be null
071        Object value = null;
072
073        try
074        {
075            if ( tlv.getLength() == 0 )
076            {
077                currentAttribute.add( "" );
078            }
079            else
080            {
081                if ( container.isBinary( currentAttribute.getId() ) )
082                {
083                    value = tlv.getValue().getData();
084
085                    if ( LOG.isDebugEnabled() )
086                    {
087                        LOG.debug( I18n.msg( I18n.MSG_05112_ADDING_VALUE, Strings.dumpBytes( ( byte[] ) value ) ) );
088                    }
089
090                    currentAttribute.add( ( byte[] ) value );
091                }
092                else
093                {
094                    value = Strings.utf8ToString( tlv.getValue().getData() );
095
096                    if ( LOG.isDebugEnabled() )
097                    {
098                        LOG.debug( I18n.msg( I18n.MSG_05112_ADDING_VALUE, value ) );
099                    }
100
101                    currentAttribute.add( ( String ) value );
102                }
103            }
104        }
105        catch ( LdapException le )
106        {
107            // Just swallow the exception, it can't occur here
108        }
109
110        // We can have an END transition
111        container.setGrammarEndAllowed( true );
112    }
113}