package jmsltestsuite;

import java.io.IOException;
import java.util.Enumeration;
import java.util.Vector;

import com.softsynth.jmsl.util.JMSLClassLoader;
import com.softsynth.jmsl.util.classbrowser.ClassBrowser;
import com.softsynth.jmsl.util.classbrowser.ClassListener;

/**
 * Look for instances of com.softsynth.jsyn.SynthNote in classpath
 * 
 * bug: grinds to a silent halt when it encounters JMSLInstrumentToMax which Class.forName() croaks on any subclass of MaxObject
 * 
 * @author Nick Didkovsky 4/17/02 11:56PM
 */

public class ClassBrowserTest implements ClassListener {
    // ClassLoader classLoader;
    Class superClassToFind;
    Vector foundClasses;

    public ClassBrowserTest() throws ClassNotFoundException {
        // classLoader = this.getClass().getClassLoader();
        // superClassToFind = Class.forName("com.softsynth.jsyn.SynthNote",
        // false, classLoader);
        superClassToFind = JMSLClassLoader.load("com.softsynth.jsyn.SynthNote");
        foundClasses = new Vector();
    }

    public void handleClass(String fullyQualifiedClassName) {
        System.out.println("ClassBrowserTest.handleClass()" + fullyQualifiedClassName);
        try {
            // Class c = Class.forName(fullyQualifiedClassName, false,
            // classLoader);
            // System.out.println("1");
            Class c = JMSLClassLoader.load(fullyQualifiedClassName);
            // System.out.println("2");
            if (superClassToFind.isAssignableFrom(c)) {
                // System.out.println("3");
                foundClasses.addElement(fullyQualifiedClassName);
            }
            // System.out.println("4");
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (NoClassDefFoundError e) {
            e.printStackTrace();
        } catch (ClassFormatError e) {
            e.printStackTrace();
        } catch (Throwable t) {
            t.printStackTrace();
        }
    }

    public Enumeration foundClasses() {
        return foundClasses.elements();
    }

    public static void main(String args[]) {
        try {
            System.out.println("Wait ... examining all classes in classpath, including jar's ...");
            ClassBrowserTest findSynthNotes = new ClassBrowserTest();
            ClassBrowser browser = new ClassBrowser();
            browser.addClassListener(findSynthNotes);
            browser.browse();
            System.out.println("\n\nFound the following SynthNotes in your classpath:");
            for (Enumeration e = findSynthNotes.foundClasses(); e.hasMoreElements();) {
                System.out.println((String) e.nextElement());
            }
            System.out.println("done");
            System.exit(0);
        } catch (IOException e) {
            e.printStackTrace();
            System.out.println("ERROR " + e);
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
            System.out.println("ERROR " + e);
        }

    }

}