JClassLoader.java

package org.objectweb.jonas.server;

import java.io.File;
import java.net.URL;
import java.net.URLClassLoader;

public class JClassLoader extends URLClassLoader {

    private String name = null;

    public JClassLoader(String name, URL[] urls, ClassLoader parent) {
        super(urls, parent);
        this.name = name;
    }

    public JClassLoader(String name, URL[] urls) {
        super(urls);
        this.name = name;
    }

    public void addURL(URL url) {
        if (url != null) {
            super.addURL(url);
        }
    }

    public void addURLs(URL[] urls) {
        if (urls != null) {
            for (int i = 0; i < urls.length; i++) {
                if (urls[i] != null) {
                    super.addURL(urls[i]);
                }
            }
        }
    }

    public void printURLs() {
        System.out.println(name  + " ClassLoader :");
        URL[] urls = super.getURLs();
        for (int i = 0; i < urls.length; i++) {
            System.out.println("url=" + (new File(urls[i].getFile())).getAbsolutePath());
        }
        // display parent classloader
        if (getParent() != null && getParent() instanceof JClassLoader) {
            System.out.println("parent :");
            ((JClassLoader) getParent()).printURLs();
        }
    }

    public String getClassPath() {
        String cp = "";
        // add parent classpath before
        if (getParent() != null && getParent() instanceof JClassLoader) {
            cp += ((JClassLoader) getParent()).getClassPath();
        }
        URL[] urls = super.getURLs();
        for (int i = 0; i < urls.length; i++) {
            cp = cp + File.pathSeparator + (new File(urls[i].getFile())).getAbsolutePath();
        }
        return cp;
    }

    public String toString() {
        StringBuffer sb = new StringBuffer();
        sb.append(this.getClass().getName());
        sb.append("[");
        sb.append(name);
        sb.append(", urls=");
        URL[] urls = getURLs();
        for (int u = 0; u < urls.length; u++) {
            sb.append(urls[u]);
            if (u != urls.length - 1) {
                sb.append(";");
            }
        }
        sb.append("]");
        return sb.toString();
    }
}

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