| /******************************************************************************* |
| * Copyright (c) 2000, 2005 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.debug.ui.snippeteditor; |
| |
| |
| import java.lang.reflect.InvocationTargetException; |
| import java.lang.reflect.Method; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| import java.net.URLClassLoader; |
| import java.net.URLDecoder; |
| import java.security.CodeSource; |
| import java.security.ProtectionDomain; |
| |
| /** |
| * Support class for launching a snippet evaluation |
| */ |
| public class ScrapbookMain { |
| |
| public static void main(String[] args) { |
| |
| URL[] urls= getClasspath(args); |
| if (urls == null) return; |
| |
| while (true) { |
| try { |
| evalLoop(urls); |
| } catch (ClassNotFoundException e) { |
| return; |
| } catch (NoSuchMethodException e) { |
| return; |
| } catch (InvocationTargetException e) { |
| return; |
| } catch (IllegalAccessException e) { |
| return; |
| } |
| } |
| |
| } |
| |
| static void evalLoop(URL[] urls) throws ClassNotFoundException, NoSuchMethodException, InvocationTargetException, IllegalAccessException { |
| |
| ClassLoader cl= new URLClassLoader(urls, null); |
| Class clazz= cl.loadClass("org.eclipse.jdt.internal.debug.ui.snippeteditor.ScrapbookMain1"); //$NON-NLS-1$ |
| Method method= clazz.getDeclaredMethod("eval", new Class[] {Class.class}); //$NON-NLS-1$ |
| method.invoke(null, new Object[] {ScrapbookMain.class}); |
| } |
| |
| public static void nop() { |
| try { |
| Thread.sleep(100); |
| } catch(InterruptedException e) { |
| } |
| } |
| |
| |
| static URL[] getClasspath(String[] urlStrings) { |
| |
| //The URL Strings MUST be properly encoded |
| //using URLEncoder...see ScrapbookLauncher for details |
| URL[] urls= new URL[urlStrings.length + 1]; |
| |
| for (int i = 0; i < urlStrings.length; i++) { |
| try { |
| urls[i + 1] = new URL(URLDecoder.decode(urlStrings[i])); |
| } catch (MalformedURLException e) { |
| return null; |
| } |
| } |
| |
| ProtectionDomain pd = ScrapbookMain.class.getProtectionDomain(); |
| if (pd == null) return null; |
| CodeSource cs = pd.getCodeSource(); |
| if (cs == null) return null; |
| urls[0] = cs.getLocation(); |
| |
| return urls; |
| } |
| } |