bsh.commands.load.bsh Maven / Gradle / Ivy

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/**
	Load a serialized Java object from filename.  Returns the object.
*/

bsh.help.load = "usage: load(filename)";

setAccessibility(true);

import bsh.BshClassManager;
import java.io.*;
import java.lang.reflect.Proxy;

import bsh.Capabilities;

if ( Capabilities.classExists("bsh.ClassGeneratorImpl") )
{
public class BshObjectInputStream extends ObjectInputStream
{
	BshClassManager bcm;

	public BshObjectInputStream( BshClassManager bcm, InputStream in)
        throws IOException, StreamCorruptedException
    {
		super(in);
		this.bcm = bcm;
    }

    protected Class resolveClass( ObjectStreamClass clas )
        throws IOException, ClassNotFoundException
    {
//        ClassLoader loader = Thread.currentThread().getContextClassLoader();
//        return Class.forName( clas.getName(), false, loader );
		Class c = null;
		try {
			c = super.resolveClass( clas );
		} catch ( ClassNotFoundException e ) { }
		if ( c != null )
			return c;
		c = bcm.classForName( clas.getName() );
		if ( c != null )
			return c;
		throw new ClassNotFoundException( "bcm not found: "+clas.getName() );
	}

/*
	protected Class resolveProxyClass( java.lang.String[] interfaces )
        throws IOException, ClassNotFoundException
    {
		return super.resolveProxyClass( interfaces );

//        ClassLoader loader = Thread.currentThread().getContextClassLoader();
//
//        Class[] classes = new Class[interfaces.length];
//
//        for (int i = 0; i < interfaces.length; i++)
//            classes[i] = Class.forName(interfaces[i], false, loader);
//
//        try {
//            return Proxy.getProxyClass(loader, classes);
//        } catch (IllegalArgumentException e) {
//            throw new ClassNotFoundException("Proxy class not found", e);
//        }
    }
*/
}
}

Object load( String filename )
{
	this.file = pathToFile( filename );

	Object obj;
	FileInputStream in = new FileInputStream( file );
	javap( BshObjectInputStream );
	ObjectInputStream oin;
	if ( BshObjectInputStream != void )
		oin = new BshObjectInputStream( this.namespace.getClassManager(), in );
	else
		oin = new ObjectInputStream( in );
	obj = oin.readObject();
	oin.close();

	// bind bsh objects into the caller's namespace
	if ( obj instanceof bsh.This )
		bind( obj, this.caller.namespace );

	return obj;
}