Here you can find the source of deserialize(InputStream in, Class cls)
Parameter | Description |
---|---|
in | The input stream to deserialize an object from. |
cls | The expected class of the deserialized object. |
static public Object deserialize(InputStream in, Class cls) throws IOException
//package com.java2s; /*//w w w .ja v a2s . c om * 11/19/04 1.0 moved to LGPL. * 12/12/99 Initial version. mdm@techie.com *----------------------------------------------------------------------- * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU Library General Public License as published * by the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *---------------------------------------------------------------------- */ import java.io.*; public class Main { /** * Deserializes the object contained in the given input stream. * @param in The input stream to deserialize an object from. * @param cls The expected class of the deserialized object. */ static public Object deserialize(InputStream in, Class cls) throws IOException { if (cls == null) throw new NullPointerException("cls"); Object obj = deserialize(in, cls); if (!cls.isInstance(obj)) { throw new InvalidObjectException("type of deserialized instance not of required class."); } return obj; } /** * Deserializes an object from the given <code>InputStream</code>. * The deserialization is delegated to an <code> * ObjectInputStream</code> instance. * * @param in The <code>InputStream</code> to deserialize an object * from. * * @return The object deserialized from the stream. * @exception IOException is thrown if there was a problem reading * the underlying stream, or an object could not be deserialized * from the stream. * * @see java.io.ObjectInputStream */ static public Object deserialize(InputStream in) throws IOException { if (in == null) throw new NullPointerException("in"); ObjectInputStream objIn = new ObjectInputStream(in); Object obj; try { obj = objIn.readObject(); } catch (ClassNotFoundException ex) { throw new InvalidClassException(ex.toString()); } return obj; } }