/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- * * The contents of this file are subject to the Netscape Public * License Version 1.1 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.mozilla.org/NPL/ * * Software distributed under the License is distributed on an "AS * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or * implied. See the License for the specific language governing * rights and limitations under the License. * * The Original Code is Rhino serialization code, released * Sept. 25, 2001. * * The Initial Developer of the Original Code is Norris Boyd. * * Contributor(s): * Norris Boyd * Igor Bukanov * Attila Szegedi * * Alternatively, the contents of this file may be used under the * terms of the GNU Public License (the "GPL"), in which case the * provisions of the GPL are applicable instead of those above. * If you wish to allow use of your version of this file only * under the terms of the GPL and not to allow others to use your * version of this file under the NPL, indicate your decision by * deleting the provisions above and replace them with the notice * and other provisions required by the GPL.  If you do not delete * the provisions above, a recipient may use your version of this * file under either the NPL or the GPL. */// API classpackage org.mozilla.javascript.serialize;import java.io.*;import org.mozilla.javascript.*;/** * Class ScriptableInputStream is used to read in a JavaScript * object or function previously serialized with a ScriptableOutputStream. * References to names in the exclusion list * replaced with references to the top-level scope specified during * creation of the ScriptableInputStream. * * @author Norris Boyd */public class ScriptableInputStream extends ObjectInputStream {    /**     * Create a ScriptableInputStream.     * @param in the InputStream to read from.     * @param scope the top-level scope to create the object in.     */    public ScriptableInputStream(InputStream in, Scriptable scope)        throws IOException    {        super(in);        this.scope = scope;        enableResolveObject(true);        Context cx = Context.getCurrentContext();        if (cx != null) {            this.classLoader = cx.getApplicationClassLoader();        }    }    protected Class resolveClass(ObjectStreamClass desc)        throws IOException, ClassNotFoundException    {        String name = desc.getName();        if (classLoader != null) {            try {                return classLoader.loadClass(name);            } catch (ClassNotFoundException ex) {                // fall through to default loading            }        }        return super.resolveClass(desc);    }    protected Object resolveObject(Object obj)        throws IOException    {        if (obj instanceof ScriptableOutputStream.PendingLookup) {            String name = ((ScriptableOutputStream.PendingLookup)obj).getName();            obj = ScriptableOutputStream.lookupQualifiedName(scope, name);            if (obj == Scriptable.NOT_FOUND) {                throw new IOException("Object " + name + " not found upon " +                                      "deserialization.");            }        }else if (obj instanceof UniqueTag) {            obj = ((UniqueTag)obj).readResolve();        }else if (obj instanceof Undefined) {            obj = ((Undefined)obj).readResolve();        }        return obj;    }    private Scriptable scope;    private ClassLoader classLoader;}