/***** BEGIN LICENSE BLOCK *****
 * Version: CPL 1.0/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Common Public
 * License Version 1.0 (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.eclipse.org/legal/cpl-v10.html
 *
 * 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.
 *
 * Copyright (C) 2002-2004 Anders Bengtsson <ndrsbngtssn@yahoo.se>
 * Copyright (C) 2004 Stefan Matthias Aust <sma@3plus4.de>
 * Copyright (C) 2005 Charles O Nutter <headius@headius.com>
 * Copyright (C) 2005 Thomas E. Enebo <enebo@acm.org>
 * 
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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package org.jruby.runtime.load;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.Reader;
import org.jruby.Ruby;
import org.jruby.runtime.load.LoadServiceResource;
import org.jruby.util.KCode;

public class ExternalScript implements Library {
    private final LoadServiceResource resource;
    
    public ExternalScript(LoadServiceResource resource, String name) {
        this.resource = resource;
    }

    public void load(Ruby runtime) {
        try {
            // KCode.NONE is used because KCODE does not affect parse in Ruby 1.8
            // if Ruby 2.0 encoding pragmas are implemented, this will need to change
            Reader reader = new BufferedReader(new InputStreamReader(resource.getURL().openStream(), KCode.NONE.decoder()));
            runtime.loadScript(resource.getName(), reader);
            reader.close();
        } catch (IOException e) {
            throw runtime.newIOErrorFromException(e);
        }
    }
}