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}