/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
* Free SoftwareFoundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.xml2;
import com.caucho.util.L10N;
import com.caucho.vfs.IOExceptionWrapper;
import com.caucho.vfs.ReadStream;
import com.caucho.vfs.Vfs;
import org.w3c.dom.Node;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.io.OutputStream;
/**
* QAbstractNode is an abstract implementation for any DOM node.
*/
public class SerializedXml implements java.io.Externalizable {
protected static L10N L = new L10N(SerializedXml.class);
private Node _node;
public SerializedXml()
{
}
public SerializedXml(Node node)
{
_node = node;
}
public void writeExternal(ObjectOutput out)
throws IOException
{
XmlPrinter printer = new XmlPrinter(new OutputStreamWrapper(out));
printer.printXml(_node);
// feff
out.writeByte(0xef);
out.writeByte(0xbf);
out.writeByte(0xbf);
}
public void readExternal(ObjectInput in)
throws IOException
{
Xml parser = Xml.create();
try {
ReadStream is = Vfs.openRead(new InputStreamWrapper(in));
_node = parser.parseDocument(is);
is.close();
} catch (IOException e) {
throw e;
} catch (Exception e) {
throw new IOExceptionWrapper(e);
}
parser.free();
}
private Object readResolve()
{
return _node;
}
static class InputStreamWrapper extends InputStream {
private ObjectInput _in;
InputStreamWrapper(ObjectInput in)
{
_in = in;
}
public int read()
throws IOException
{
int ch = _in.readByte() & 0xff;
return ch;
}
public int read(byte []buffer, int off, int length)
throws IOException
{
buffer[off] = _in.readByte();
return 1;
}
}
static class OutputStreamWrapper extends OutputStream {
private ObjectOutput _out;
OutputStreamWrapper(ObjectOutput out)
{
_out = out;
}
public void write(int ch)
throws IOException
{
_out.write(ch);
}
public void write(byte []buf, int off, int len)
throws IOException
{
_out.write(buf, off, len);
}
}
}