| // Copyright 2009, 2011 The Apache Software Foundation |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package org.apache.tapestry5.ioc; |
| |
| import org.apache.tapestry5.ioc.annotations.Match; |
| import org.apache.tapestry5.ioc.annotations.Order; |
| import org.apache.tapestry5.ioc.services.LoggingAdvisor; |
| import org.apache.tapestry5.plastic.MethodAdvice; |
| import org.apache.tapestry5.plastic.MethodInvocation; |
| import org.slf4j.Logger; |
| |
| import java.lang.reflect.Method; |
| |
| public class AdviceDemoModule |
| { |
| public static Greeter buildGreeter() |
| { |
| return new Greeter() |
| { |
| @Override |
| public String getGreeting() |
| { |
| return "Advice is Easy!"; |
| } |
| }; |
| } |
| |
| @Match("*") |
| public static void adviseLogging(MethodAdviceReceiver receiver, LoggingAdvisor loggingAdvisor, Logger logger) |
| { |
| loggingAdvisor.addLoggingAdvice(logger, receiver); |
| } |
| |
| @Order("after:Logging") |
| public static void adviseGreeter(MethodAdviceReceiver receiver) |
| { |
| MethodAdvice advice = new MethodAdvice() |
| { |
| @Override |
| public void advise(MethodInvocation invocation) |
| { |
| invocation.proceed(); |
| |
| String result = (String) invocation.getReturnValue(); |
| |
| if (result != null) |
| invocation.setReturnValue(result.toUpperCase()); |
| } |
| }; |
| |
| for (Method m : receiver.getInterface().getMethods()) |
| { |
| if (m.getReturnType().equals(String.class)) |
| { |
| receiver.adviseMethod(m, advice); |
| } |
| } |
| } |
| } |