| // |
| // ======================================================================== |
| // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd. |
| // ------------------------------------------------------------------------ |
| // All rights reserved. This program and the accompanying materials |
| // are made available under the terms of the Eclipse Public License v1.0 |
| // and Apache License v2.0 which accompanies this distribution. |
| // |
| // The Eclipse Public License is available at |
| // http://www.eclipse.org/legal/epl-v10.html |
| // |
| // The Apache License v2.0 is available at |
| // http://www.opensource.org/licenses/apache2.0.php |
| // |
| // You may elect to redistribute this code under either of these licenses. |
| // ======================================================================== |
| // |
| |
| package org.eclipse.jetty.webapp; |
| |
| import org.eclipse.jetty.util.Loader; |
| import org.eclipse.jetty.util.log.Log; |
| import org.eclipse.jetty.util.log.Logger; |
| import org.eclipse.jetty.util.resource.Resource; |
| |
| /** |
| * DiscoveredAnnotation |
| * |
| * Represents an annotation that has been discovered |
| * by scanning source code of WEB-INF/classes and WEB-INF/lib jars. |
| * |
| */ |
| public abstract class DiscoveredAnnotation |
| { |
| private static final Logger LOG = Log.getLogger(DiscoveredAnnotation.class); |
| |
| protected WebAppContext _context; |
| protected String _className; |
| protected Class<?> _clazz; |
| protected Resource _resource; //resource it was discovered on, can be null (eg from WEB-INF/classes) |
| |
| public abstract void apply(); |
| |
| public DiscoveredAnnotation (WebAppContext context, String className) |
| { |
| this(context,className, null); |
| } |
| |
| |
| public DiscoveredAnnotation(WebAppContext context, String className, Resource resource) |
| { |
| _context = context; |
| _className = className; |
| _resource = resource; |
| } |
| |
| public Resource getResource () |
| { |
| return _resource; |
| } |
| |
| public Class<?> getTargetClass() |
| { |
| if (_clazz != null) |
| return _clazz; |
| |
| loadClass(); |
| |
| return _clazz; |
| } |
| |
| private void loadClass () |
| { |
| if (_clazz != null) |
| return; |
| |
| if (_className == null) |
| return; |
| |
| try |
| { |
| _clazz = Loader.loadClass(null, _className); |
| } |
| catch (Exception e) |
| { |
| LOG.warn(e); |
| } |
| } |
| } |