| // |
| // ======================================================================== |
| // Copyright (c) 1995-2016 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.util; |
| |
| import org.eclipse.jetty.util.log.Log; |
| import org.eclipse.jetty.util.log.Logger; |
| |
| public class DeprecationWarning implements Decorator |
| { |
| private static final Logger LOG = Log.getLogger(DeprecationWarning.class); |
| |
| @Override |
| public <T> T decorate(T o) |
| { |
| if (o == null) |
| { |
| return null; |
| } |
| |
| Class<?> clazz = o.getClass(); |
| |
| try |
| { |
| Deprecated depr = clazz.getAnnotation(Deprecated.class); |
| if (depr != null) |
| { |
| LOG.warn("Using @Deprecated Class {}",clazz.getName()); |
| } |
| } |
| catch (Throwable t) |
| { |
| LOG.ignore(t); |
| } |
| |
| verifyIndirectTypes(clazz.getSuperclass(),clazz,"Class"); |
| for (Class<?> ifaceClazz : clazz.getInterfaces()) |
| { |
| verifyIndirectTypes(ifaceClazz,clazz,"Interface"); |
| } |
| |
| return o; |
| } |
| |
| private void verifyIndirectTypes(Class<?> superClazz, Class<?> clazz, String typeName) |
| { |
| try |
| { |
| // Report on super class deprecation too |
| while (superClazz != null && superClazz != Object.class) |
| { |
| Deprecated supDepr = superClazz.getAnnotation(Deprecated.class); |
| if (supDepr != null) |
| { |
| LOG.warn("Using indirect @Deprecated {} {} - (seen from {})",typeName,superClazz.getName(),clazz); |
| } |
| |
| superClazz = superClazz.getSuperclass(); |
| } |
| } |
| catch (Throwable t) |
| { |
| LOG.ignore(t); |
| } |
| } |
| |
| @Override |
| public void destroy(Object o) |
| { |
| } |
| } |