| /* |
| * 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.server.core.api; |
| |
| |
| import java.io.IOException; |
| import java.io.ObjectInput; |
| import java.io.ObjectOutput; |
| |
| import org.apache.directory.api.ldap.model.constants.AuthenticationLevel; |
| import org.apache.directory.api.ldap.model.name.Dn; |
| import org.apache.directory.api.ldap.model.schema.SchemaManager; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| |
| /** |
| * A helper class which serialize and deserialize a LdapPrincipal. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public final class LdapPrincipalSerializer |
| { |
| /** The LoggerFactory used by this class */ |
| protected static final Logger LOG = LoggerFactory.getLogger( LdapPrincipalSerializer.class ); |
| |
| |
| /** |
| * Private constructor. |
| */ |
| private LdapPrincipalSerializer() |
| { |
| } |
| |
| |
| /** |
| * Serializes a LdapPrincipal instance. |
| * |
| * @param principal The LdapPrincipal 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( LdapPrincipal principal, ObjectOutput out ) throws IOException |
| { |
| // The Authentication level |
| out.writeInt( principal.getAuthenticationLevel().getLevel() ); |
| |
| // The principal's DN |
| if ( principal.getDn() == null ) |
| { |
| Dn.EMPTY_DN.writeExternal( out ); |
| } |
| else |
| { |
| principal.getDn().writeExternal( out ); |
| } |
| } |
| |
| |
| /** |
| * Deserializes a LdapPrincipal instance. |
| * |
| * @param schemaManager The SchemaManager (can be null) |
| * @param in The input stream from which the LdapPrincipal is read |
| * @return a deserialized LdapPrincipal |
| * @throws IOException If the stream can't be read |
| */ |
| public static LdapPrincipal deserialize( SchemaManager schemaManager, ObjectInput in ) |
| throws IOException |
| { |
| // Read the authenyication level |
| AuthenticationLevel authenticationLevel = AuthenticationLevel.getLevel( in.readInt() ); |
| |
| // Read the principal's DN |
| Dn dn = new Dn( schemaManager ); |
| |
| try |
| { |
| dn.readExternal( in ); |
| } |
| catch ( ClassNotFoundException cnfe ) |
| { |
| IOException ioe = new IOException( cnfe.getMessage() ); |
| ioe.initCause( cnfe ); |
| throw ioe; |
| } |
| |
| return new LdapPrincipal( schemaManager, dn, authenticationLevel ); |
| } |
| } |