001/**
002 *
003 * Copyright (c) 2014, the Railo Company Ltd. All rights reserved.
004 *
005 * This library is free software; you can redistribute it and/or
006 * modify it under the terms of the GNU Lesser General Public
007 * License as published by the Free Software Foundation; either 
008 * version 2.1 of the License, or (at your option) any later version.
009 * 
010 * This library is distributed in the hope that it will be useful,
011 * but WITHOUT ANY WARRANTY; without even the implied warranty of
012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
013 * Lesser General Public License for more details.
014 * 
015 * You should have received a copy of the GNU Lesser General Public 
016 * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
017 * 
018 **/
019package lucee.commons.lang;
020
021import java.io.IOException;
022import java.io.ObjectInput;
023import java.io.ObjectOutput;
024
025public class ExternalizableUtil {
026
027        public static String readString(ObjectInput in) throws ClassNotFoundException, IOException {
028                return (String) in.readObject();
029        }
030
031        public static void writeString(ObjectOutput out, String str) throws IOException {
032                if(str==null) out.writeObject("") ;
033                else out.writeObject(str);
034        }
035
036        public static Boolean readBoolean(ObjectInput in) throws IOException {
037                int b=in.readInt();
038                if(b==-1) return null;
039                return b==1?Boolean.TRUE:Boolean.FALSE;
040        }
041
042        public static void writeBoolean(ObjectOutput out,Boolean b) throws IOException {
043                if(b==null) out.writeInt(-1) ;
044                else out.writeInt(b.booleanValue()?1:0);
045        }
046}