JURLs.java

package org.objectweb.jonas.server;

import java.util.Enumeration;
import java.util.Vector;
import java.io.File;
import java.net.URL;
import java.net.MalformedURLException;

public class JURLs extends Vector {

    public JURLs() {
        super();
    }

    public void add(File file) throws MalformedURLException {
        add(file, null, null, null);
    }

    public void addDir(File file) throws MalformedURLException {
        if (!file.exists() || !file.isDirectory()) {
            String err = "Warning: Ressource " + file.getName();
            err += " cannot be loaded : The directory does not exist";
            System.out.println(err);
        } else {
            if (!contains(file.toURL())) {
                add(file.toURL());
            }
        }
    }

    public void add(File file, String filter) throws MalformedURLException {
        if (file.isDirectory()) {
            add(file, filter, null, null);
        } else {
            String err = "Warning: Ressource " + file.getName();
            err += " cannot be loaded : It is not a directory";
            System.out.println(err);
        }
    }

    public void addNotStartWith(File file, String prefix) throws MalformedURLException {

        if (file.isDirectory()) {
            add(file, null, prefix, null);
        } else {
            String err = "Warning: Ressource " + file.getName();
            err += " cannot be loaded : It is not a directory";
            System.out.println(err);
        }
    }

    public void addNotEndWith(File file, String suffix) throws MalformedURLException {

        if (file.isDirectory()) {
            add(file, null, null, suffix);
        } else {
            String err = "Warning: Ressource " + file.getName();
            err += " cannot be loaded : It is not a directory";
            System.out.println(err);
        }
    }

    public void add(File file, String filter, String prefix, String suffix) throws MalformedURLException {
        if (!file.exists()) {
            String err = "Warning: Ressource " + file.getPath();
            err += " cannot be loaded : The file or directory does not exist";
            err += "(Check your environment variable)";
            System.out.println(err);
        } else {
            if (file.isFile()) {
                if (!isMatching(file, prefix, suffix) && !contains(file.toURL())) {
                    // System.out.println("Adding URL "+file.toURL()); // DEBUG
                    add(file.toURL());
                }
            } else {
                File[] childrenFiles = null;
                if (filter != null) {
                    childrenFiles = file.listFiles(new JFileFilter(filter));
                } else {
                    childrenFiles = file.listFiles();
                }
                for (int i = 0; i < childrenFiles.length; i++) {
                    add(childrenFiles[i], filter, prefix, suffix);
                }
            }
        }
    }

    private boolean isMatching(File file, String prefix, String suffix) {
        String fileName = file.getName();
        if (prefix == null) {
            if (suffix == null) {
                return false;
            } else {
                return fileName.endsWith(suffix);
            }
        } else {
            if (suffix == null) {
                return fileName.startsWith(prefix);
            } else {
                return fileName.startsWith(prefix) || fileName.endsWith(suffix);
            }
        }
    }

    public void merge(JURLs jurl) {
        for (Enumeration e = jurl.elements(); e.hasMoreElements();) {
            URL url = (URL) e.nextElement();
            if (!contains(url)) {
                add(url);
            }
        }
    }

    public void remove(File file) throws MalformedURLException {
        if (file.exists()) {
            remove(file.toURL());
        } else {
            String err = "Warning: Ressource " + file.getName();
            err += " cannot be removed : It doesn't exist";
            System.out.println(err);
        }
    }

    public URL[] toURLs() {
        return (URL[]) super.toArray(new URL[elementCount]);
    }
}

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