src/main/java/jp/ac/tsukuba/openjava/SunLibCompiler.java


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/*
 * SunLibCompiler.java
 *
 * Apr 16, 1999  Michiaki Tatsubori
 */
package jp.ac.tsukuba.openjava;

import java.io.OutputStream;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;

import io.devnulllabs.openjava.ojc.JavaCompiler;

/**
 * The class <code>SunLibCompiler</code> is an adapter for the compiler
 * which invokes Sun's library javac.
 * <p>
 * The class path must includes lib/tools.jar in the jdk package.
 *
 * @since jdk1.2
 */
public class SunLibCompiler implements JavaCompiler {
    Object sunJavac;
    //sun.tools.javac.Main m;
    Method compileMethod;

    public SunLibCompiler() {
        //m = new sun.tools.javac.Main(System.err, "javac");
        try {
            Class clazz = Class.forName("sun.tools.javac.Main");
            Constructor cons =
                clazz.getConstructor(
                    new Class[] { OutputStream.class, String.class });
            sunJavac = cons.newInstance(new Object[] { System.err, "javac" });
            compileMethod =
                clazz.getMethod("compile", new Class[] { String[].class });
        } catch (Exception ex) {
            throw new RuntimeException(ex.toString());
        }

    }

    public static void main(String[] args) {
        new SunLibCompiler().compile(args);
    }

    public void compile(String[] args) {
        //sun.tools.javac.Main.main( args );
        //m.compile(args);
        try {
            compileMethod.invoke(sunJavac, new Object[] { args });
        } catch (Exception ex) {
            throw new RuntimeException(ex.toString());
        }
    }

}