| /* |
| * 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.shared.ldap.model.entry; |
| |
| import java.io.IOException; |
| import java.io.ObjectInput; |
| import java.io.ObjectOutput; |
| |
| import org.apache.directory.shared.ldap.model.schema.AttributeType; |
| import org.apache.directory.shared.ldap.model.schema.SchemaManager; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * A helper class which serialize and deserialize a EntryAttribute. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class EntryAttributeSerializer |
| { |
| /** The LoggerFactory used by this class */ |
| protected static final Logger LOG = LoggerFactory.getLogger( EntryAttributeSerializer.class ); |
| |
| /** |
| * Private constructor. |
| */ |
| private EntryAttributeSerializer() |
| { |
| } |
| |
| |
| /** |
| * Serializes a EntryAttribute instance. |
| * |
| * @param principal The EntryAttribute instance to serialize |
| * @param out The stream into which we will write the serialized instance |
| * @throws IOException If the stream can't be written |
| */ |
| public static void serialize( EntryAttribute attribute, ObjectOutput out ) throws IOException |
| { |
| // The UP id |
| out.writeUTF( attribute.getUpId() ); |
| |
| // The Norm id |
| out.writeUTF( attribute.getId() ); |
| |
| // The isHR flag |
| out.writeBoolean( attribute.isHR() ); |
| |
| // The computed hashCode |
| out.writeInt( attribute.hashCode() ); |
| |
| // The number of values |
| int nbValues = attribute.size(); |
| out.writeInt( nbValues ); |
| |
| if ( nbValues > 0 ) |
| { |
| for ( Value<?> value : attribute ) |
| { |
| AbstractValue.serialize( value, out ); |
| } |
| } |
| |
| out.flush(); |
| } |
| |
| |
| /** |
| * Deserializes a EntryAttribute instance. |
| * |
| * @param schemaManager The schemaManager instance |
| * @param in The input stream from which the EntryAttribute is read |
| * @return a deserialized EntryAttribute |
| * @throws IOException If the stream can't be read |
| */ |
| public static EntryAttribute deserialize( SchemaManager schemaManager, ObjectInput in ) throws IOException |
| { |
| // The UP id |
| String upId = in.readUTF(); |
| |
| // The Norm id |
| String normId = in.readUTF(); |
| |
| // The isHR flag |
| boolean isHR = in.readBoolean(); |
| |
| // The computed hashCode |
| int hashCode = in.readInt(); |
| |
| // The number of values |
| int nbValues = in.readInt(); |
| Value<?>[] values = new Value<?>[ nbValues ]; |
| |
| if ( nbValues > 0 ) |
| { |
| for ( int i = 0; i < nbValues; i++ ) |
| { |
| Value<?> value = AbstractValue.deserialize( schemaManager, in ); |
| values[i] = value; |
| } |
| } |
| |
| AttributeType attributeType = null; |
| |
| if ( schemaManager != null ) |
| { |
| attributeType = schemaManager.getAttributeType( upId ); |
| } |
| |
| // The EntryAttribute |
| EntryAttribute attribute = new DefaultEntryAttribute( attributeType, upId, normId, isHR, hashCode, values ); |
| |
| return attribute; |
| } |
| } |