ch.obermuhlner.scriptengine.java.MemoryClassLoader Maven / Gradle / Ivy

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Java script engine for Java as a scripting language.

There is a newer version: 2.0.0

package ch.obermuhlner.scriptengine.java;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Map;

public class MemoryClassLoader extends ClassLoader {

    private Map mapClassBytes;

    MemoryClassLoader(Map mapClassBytes, ClassLoader parent) {
        super(parent);
        this.mapClassBytes = mapClassBytes;
    }

    @Override
    public Class loadClass(String name) throws ClassNotFoundException {
        byte[] bytes = mapClassBytes.get(name);
        if (bytes == null) {
            return super.loadClass(name);
        }

        return defineClass(name, bytes, 0, bytes.length);
    }
}