| /* |
| * 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.asn1.actions; |
| |
| |
| import org.apache.directory.api.asn1.DecoderException; |
| import org.apache.directory.api.asn1.ber.Asn1Container; |
| import org.apache.directory.api.asn1.ber.grammar.GrammarAction; |
| import org.apache.directory.api.asn1.ber.tlv.TLV; |
| import org.apache.directory.api.i18n.I18n; |
| import org.apache.directory.api.util.Strings; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| |
| /** |
| * The action used read a BITSTRING from a TLV |
| * |
| * @param <C> The container type |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public abstract class AbstractReadBitString<C extends Asn1Container> extends GrammarAction<C> |
| { |
| /** The logger */ |
| private static final Logger LOG = LoggerFactory.getLogger( AbstractReadBitString.class ); |
| |
| |
| /** |
| * Instantiates a new AbstractReadByteArray action. |
| * |
| * @param name the action's name |
| */ |
| public AbstractReadBitString( String name ) |
| { |
| super( name ); |
| } |
| |
| |
| /** |
| * Gives a byte array to be set to the appropriate field of the ASN.1 object |
| * present in the container |
| * |
| * @param data the data of the read TLV present in byte array format |
| * @param container the container holding the ASN.1 object |
| */ |
| protected abstract void setBitString( byte[] data, C container ); |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public final void action( C container ) throws DecoderException |
| { |
| TLV tlv = container.getCurrentTLV(); |
| |
| // The Length should not be null, and should be 5 |
| if ( tlv.getLength() != 5 ) |
| { |
| String msg = I18n.err( I18n.ERR_01100_INCORRECT_LENGTH, 5, tlv.getLength() ); |
| |
| LOG.error( msg ); |
| |
| // This will generate a PROTOCOL_ERROR |
| throw new DecoderException( msg ); |
| } |
| |
| byte[] data = tlv.getValue().getData(); |
| setBitString( data, container ); |
| |
| if ( LOG.isDebugEnabled() ) |
| { |
| LOG.debug( I18n.msg( I18n.MSG_01101_BITSTRING_VALUE, Strings.dumpBytes( data ) ) ); |
| } |
| } |
| } |