| /******************************************************************************* |
| * Copyright (c) 2008 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wst.validation.internal; |
| |
| /** |
| * A simple deserializer that knows how to retrieve booleans, integers and strings, from a string |
| * that was encoded by the Serializer class. |
| * |
| * @see Serializer |
| * @author karasiuk |
| * |
| */ |
| public class Deserializer { |
| private char[] _buffer; |
| private int _posn; |
| |
| public Deserializer(String value){ |
| _buffer = value.toCharArray(); |
| } |
| |
| public boolean getBoolean(){ |
| boolean result = false; |
| if (_buffer[_posn] == 'T')result = true; |
| else if (_buffer[_posn] == 'F')result = false; |
| else throw new IllegalStateException(ValMessages.DecodeError1); |
| |
| _posn++; |
| return result; |
| } |
| |
| public String getString(){ |
| int len = getInt(); |
| String result = new String(_buffer, _posn, len); |
| _posn += len; |
| return result; |
| } |
| |
| public int getInt(){ |
| Integer len = new Integer(String.valueOf(_buffer[_posn])); |
| _posn++; |
| |
| String s = String.valueOf(_buffer, _posn, len+1); |
| _posn += len+1; |
| return Integer.parseInt(s); |
| } |
| |
| /** |
| * Are there any more items? |
| * @return |
| */ |
| public boolean hasNext() { |
| if (_posn >= _buffer.length)return false; |
| return true; |
| } |
| } |