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/*
 * #%L
 * SciJava Common shared library for SciJava software.
 * %%
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 * Wisconsin-Madison, Broad Institute of MIT and Harvard, Max Planck
 * Institute of Molecular Cell Biology and Genetics, University of
 * Konstanz, and KNIME GmbH.
 * %%
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 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
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package org.scijava.script;

import java.io.Reader;

import javax.script.Bindings;
import javax.script.ScriptContext;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineFactory;
import javax.script.ScriptException;

/**
 * Abstract superclass for {@link ScriptEngine} implementations which adapt an
 * existing {@link ScriptEngine}.
 * 
 * This is useful for situations where a JSR-223-compliant script engine has
 * been provided, but whose behavior we need to extend or tweak.
 * 
 *
 * @author Curtis Rueden
 */
public class AdaptedScriptEngine implements ScriptEngine {

	private final ScriptEngine engine;

	public AdaptedScriptEngine(final ScriptEngine engine) {
		this.engine = engine;
	}

	// -- ScriptEngine methods --

	@Override
	public Object eval(final String script, final ScriptContext context)
		throws ScriptException
	{
		return engine.eval(script, context);
	}

	@Override
	public Object eval(final Reader reader, final ScriptContext context)
		throws ScriptException
	{
		return engine.eval(reader, context);
	}

	@Override
	public Object eval(final String script) throws ScriptException {
		return engine.eval(script);
	}

	@Override
	public Object eval(final Reader reader) throws ScriptException {
		return engine.eval(reader);
	}

	@Override
	public Object eval(final String script, final Bindings n)
		throws ScriptException
	{
		return engine.eval(script, n);
	}

	@Override
	public Object eval(final Reader reader, final Bindings n)
		throws ScriptException
	{
		return engine.eval(reader, n);
	}

	@Override
	public void put(final String key, final Object value) {
		engine.put(key, value);
	}

	@Override
	public Object get(final String key) {
		return engine.get(key);
	}

	@Override
	public Bindings getBindings(final int scope) {
		return engine.getBindings(scope);
	}

	@Override
	public void setBindings(final Bindings bindings, final int scope) {
		engine.setBindings(bindings, scope);
	}

	@Override
	public Bindings createBindings() {
		return engine.createBindings();
	}

	@Override
	public ScriptContext getContext() {
		return engine.getContext();
	}

	@Override
	public void setContext(final ScriptContext context) {
		engine.setContext(context);
	}

	@Override
	public ScriptEngineFactory getFactory() {
		return engine.getFactory();
	}

}