steamlined classpathhacker

src/MoF/ClasspathHacker.java

@@ -5,51 +5,30 @@ import java.lang.reflect.Method;
 import java.net.URL;
 import java.net.URLClassLoader;
 
-/**
- * Useful class for dynamically changing the classpath, adding classes during runtime. 
+/** Useful class for dynamically changing the classpath, adding classes during runtime. 
  * @author unknown
  */
 public class ClasspathHacker {
-    /**
-     * Parameters of the method to add an URL to the System classes. 
-     */
-    private static final Class<?>[] parameters = new Class[]{URL.class};
-
-    /**
-     * Adds a file to the classpath.
-     * @param s a String pointing to the file
-     * @throws IOException
-     */
-    public static void addFile(String s) throws IOException {
-        File f = new File(s);
-        addFile(f);
-    }//end method
-
-    /**
-     * Adds a file to the classpath
-     * @param f the file to be added
-     * @throws IOException
-     */
-    public static void addFile(File f) throws IOException {
-        addURL(f.toURI().toURL());
-    }//end method
-
-    /**
-     * Adds the content pointed by the URL to the classpath.
-     * @param u the URL pointing to the content to be added
-     * @throws IOException
-     */
-    public static void addURL(URL u) throws IOException {
-        URLClassLoader sysloader = (URLClassLoader)ClassLoader.getSystemClassLoader();
-        Class<?> sysclass = URLClassLoader.class;
-        try {
-            Method method = sysclass.getDeclaredMethod("addURL",parameters);
-            method.setAccessible(true);
-            method.invoke(sysloader,new Object[]{ u }); 
-        } catch (Throwable t) {
-            t.printStackTrace();
-            throw new IOException("Error, could not add URL to system classloader");
-        }//end try catch        
-    }//end method
-
+	/** Adds a file to the classpath
+	 * @param f the file to be added
+	 * @throws IOException
+	 */
+	public static void addFile(File f) throws IOException {
+		addURL(f.toURI().toURL());
+	}
+	
+	/** Adds the content pointed by the URL to the classpath.
+	 * @param u the URL pointing to the content to be added
+	 * @throws IOException
+	 */
+	public static void addURL(URL u) throws IOException {
+		try {
+			Method method = URLClassLoader.class.getDeclaredMethod("addURL", URL.class);
+			method.setAccessible(true);
+			method.invoke(ClassLoader.getSystemClassLoader(), u); 
+		} catch (Exception e) {
+			e.printStackTrace();
+			throw new IOException("Error, could not add URL to system classloader");
+		}
+	}
 }