@SuppressWarnings({"rawtypes", "unchecked", "resource"})
@Override
public Object createExecutableExtension(String propertyName) throws CoreException {
try {
String className = attributes.get(propertyName);
IProject project = getProject();
IJavaProject javaProject = JavaCore.create(project);
String[] classPathEntries = JavaRuntime.computeDefaultRuntimeClassPath(javaProject);
List<URL> urlList = new ArrayList<URL>();
for (int i = 0; i < classPathEntries.length; i++) {
String entry = classPathEntries[i];
IPath path = new Path(entry);
URL url = path.toFile().toURI().toURL();
urlList.add(url);
}
ClassLoader parentClassLoader = javaProject.getClass().getClassLoader();
URL[] urls = (URL[]) urlList.toArray(new URL[urlList.size()]);
URLClassLoader classLoader = new URLClassLoader(urls, parentClassLoader);
ClassLoader cl = classLoader.getParent();
Class clazz = classLoader.loadClass(className);
return clazz.getConstructor().newInstance();
} catch (Exception ex) {
ex.printStackTrace();
throw new CoreException(new Status(IStatus.ERROR, Activator.PLUGIN_ID, ex.getMessage()));
}
}
private URLClassLoader getProjectClassLoader(final IJavaProject javaProject)
throws CoreException {
String[] classPathEntries = JavaRuntime.computeDefaultRuntimeClassPath(javaProject);
List<URL> urlList = new ArrayList<URL>();
for (int i = 0; i < classPathEntries.length; i++) {
String entry = classPathEntries[i];
IPath path = new Path(entry);
URL url;
try {
url = path.toFile().toURI().toURL();
urlList.add(url);
} catch (MalformedURLException e) {
LOGGER.warn("Can't accept URL for '" + path + "': " + e.getMessage());
}
}
ClassLoader parentClassLoader = javaProject.getClass().getClassLoader();
URL[] urls = (URL[]) urlList.toArray(new URL[urlList.size()]);
URLClassLoader classLoader = new URLClassLoader(urls, parentClassLoader);
return classLoader;
}