smetana.core.CFunctionImpl Maven / Gradle / Ivy

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 * This file is part of Smetana.
 * Smetana is a partial translation of Graphviz/Dot sources from C to Java.
 *
 * (C) Copyright 2009-2020, Arnaud Roques
 *
 * This translation is distributed under the same Licence as the original C program.
 * 
 * THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS ECLIPSE PUBLIC
 * LICENSE ("AGREEMENT"). [Eclipse Public License - v 1.0]
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 * RECIPIENT'S ACCEPTANCE OF THIS AGREEMENT.
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 * You may obtain a copy of the License at
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 * http://www.eclipse.org/legal/epl-v10.html
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package smetana.core;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

import smetana.core.amiga.Area;

public class CFunctionImpl extends UnsupportedC implements CFunction, Area {

	private final Class codingClass;
	private final String name;
	private final Method method;

	public static CFunctionImpl create(Class codingClass, String name) {
		return new CFunctionImpl(codingClass, name);
	}

	private CFunctionImpl(Class codingClass, String name) {
		this.codingClass = codingClass;
		this.name = name;
		for (Method m : codingClass.getMethods()) {
			if (m.getName().equals(name)) {
				this.method = m;
				return;
			}
		}
		JUtils.LOG("CANNOT FIND METHOD " + name + " IN " + codingClass);
		throw new IllegalStateException("codingClass=" + codingClass + " name=" + name);
	}

	@Override
	public String toString() {
		return codingClass.getName() + "::" + name;
	}

	public Object exe(Object... args) {
		JUtils.LOG("-------");
		for (Object arg : args) {
			JUtils.LOG("arg=" + arg);
		}
		JUtils.LOG("method="+method);
		try {
			return this.method.invoke(null, args);
		} catch (InvocationTargetException e) {
			e.printStackTrace();
			throw new UnsupportedOperationException(toString());
		} catch (IllegalArgumentException e) {
			e.printStackTrace();
			throw new UnsupportedOperationException(toString());
		} catch (IllegalAccessException e) {
			e.printStackTrace();
			throw new UnsupportedOperationException(toString());
		}
	}

	public String getName() {
		return name;
	}

	public void memcopyFrom(Area source) {
		throw new UnsupportedOperationException();
	}
	
}