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package org.jboss.marshalling.serialization.java;
import java.io.IOException;
import java.io.InputStream;
import java.security.AccessController;
import java.security.PrivilegedExceptionAction;
import java.security.PrivilegedActionException;

import org.jboss.marshalling.AbstractMarshallerFactory;
import org.jboss.marshalling.AbstractUnmarshaller;
import org.jboss.marshalling.ByteInput;
import org.jboss.marshalling.MarshallingConfiguration;

/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/


/**
 * @author Ron Sigal
 * @version $Revision: 1.1 $
 * 

* Copyright Sep 19, 2008 *

*/ public class JavaSerializationUnmarshaller extends AbstractUnmarshaller { // private static Logger log = Logger.getLogger(JavaSerializationMarshaller.class); private ByteInputStream bis; private JavaSerializationInputStream jsis; protected JavaSerializationUnmarshaller(AbstractMarshallerFactory marshallerFactory, MarshallingConfiguration configuration) throws IOException { super(marshallerFactory, configuration); } public InputStream getInputStream() { return bis; } public void clearClassCache() throws IOException { jsis.clear(); } public void clearInstanceCache() throws IOException { jsis.clear(); } public void close() throws IOException { jsis.close(); super.finish(); } /** {@inheritDoc} */ public void finish() throws IOException { jsis.close(); } /** {@inheritDoc} */ public void start(final ByteInput byteInput) throws IOException { super.start(byteInput); bis = new ByteInputStream(byteInput); try { AccessController.doPrivileged(new PrivilegedExceptionAction() { public Void run() throws IOException { if (streamHeader == null) { jsis = new JavaSerializationInputStream(JavaSerializationUnmarshaller.this, classResolver, classTable, objectResolver, objectTable, creator); } else { jsis = new JavaSerializationInputStream(JavaSerializationUnmarshaller.this, streamHeader, classResolver, classTable, objectResolver, objectTable, creator); jsis.completeConstruction(); } return null; } }); } catch (PrivilegedActionException e) { throw (IOException) e.getCause(); } } /************************************************************************************* ByteInput and DataInput methods *************************************************************************************/ /** {@inheritDoc} */ public int read() throws IOException { return jsis.read(); } /** {@inheritDoc} */ public int read(final byte[] b) throws IOException { return read(b, 0, b.length); } /** {@inheritDoc} */ public int read(final byte[] b, final int off, final int len) throws IOException { return jsis.read(b, off, len); } /** {@inheritDoc} */ public long skip(final long n) throws IOException { return jsis.skip(n); } /** {@inheritDoc} */ public int available() throws IOException { return jsis.available(); } /** {@inheritDoc} */ public void readFully(final byte[] b) throws IOException { jsis.readFully(b); } /** {@inheritDoc} */ public void readFully(final byte[] b, final int off, final int len) throws IOException { jsis.readFully(b, off, len); } /** {@inheritDoc} */ public int skipBytes(final int n) throws IOException { return jsis.skipBytes(n); } /** {@inheritDoc} */ public boolean readBoolean() throws IOException { return jsis.readBoolean(); } /** {@inheritDoc} */ public byte readByte() throws IOException { return jsis.readByte(); } /** {@inheritDoc} */ public int readUnsignedByte() throws IOException { return jsis.readUnsignedByte(); } /** {@inheritDoc} */ public short readShort() throws IOException { return jsis.readShort(); } /** {@inheritDoc} */ public int readUnsignedShort() throws IOException { return jsis.readUnsignedShort(); } /** {@inheritDoc} */ public char readChar() throws IOException { return jsis.readChar(); } /** {@inheritDoc} */ public int readInt() throws IOException { return jsis.readInt(); } /** {@inheritDoc} */ public long readLong() throws IOException { return jsis.readLong(); } /** {@inheritDoc} */ public float readFloat() throws IOException { return jsis.readFloat(); } /** {@inheritDoc} */ public double readDouble() throws IOException { return jsis.readDouble(); } /** {@inheritDoc} */ @Deprecated public String readLine() throws IOException { return jsis.readLine(); } /** {@inheritDoc} */ public String readUTF() throws IOException { return jsis.readUTF(); } @Override protected Object doReadObject(boolean unshared) throws ClassNotFoundException, IOException { if (unshared) { return jsis.readUnshared(); } else { return jsis.readObject(); } } @Override protected void doStart() throws IOException { // Don't want to call StreamHeader.readHeader() yet. } }




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