ConstructorTestAspect.java

/**************************************************************************************
 * Copyright (c) Jonas Bon�r, Alexandre Vasseur. All rights reserved.                 *
 * http://aspectwerkz.codehaus.org                                                    *
 * ---------------------------------------------------------------------------------- *
 * The software in this package is published under the terms of the LGPL license      *
 * a copy of which has been included with this distribution in the license.txt file.  *
 **************************************************************************************/
package test.constructor;

import org.codehaus.aspectwerkz.definition.Pointcut;
import org.codehaus.aspectwerkz.definition.Pointcut;
import org.codehaus.aspectwerkz.joinpoint.ConstructorSignature;
import org.codehaus.aspectwerkz.joinpoint.JoinPoint;

/**
 * @author <a href="mailto:jboner@codehaus.org">Jonas Bon�r </a>
 * @Aspect perJVM
 */
public class ConstructorTestAspect {
    // ============ Pointcuts ============

    /**
     * @Expression call(test.constructor.TestAroundAdvice.new(..)) && withincode(*
     * test.constructor.*.*(..))
     */
    Pointcut call1;

    /**
     * @Expression call(test.constructor.TestBeforeAdvice.new()) && within(test.constructor.*)
     */
    Pointcut call2;

    /**
     * @Expression call(test.constructor.TestAfterAdvice.new(String)) && within(test.constructor.*)
     */
    Pointcut call3;

    /**
     * @Expression call(test.constructor.TestBeforeAfterAdvice.new(String[])) && withincode(*
     * test.constructor.*.*(..))
     */
    Pointcut call4;

    /**
     * @Expression call(test.constructor.TestReturnFalseType.new()) && withincode(*
     * test.constructor.*.*(..))
     */
    Pointcut call5;

    /**
     * @Expression execution(test.constructor.TestAroundAdvice.new(..))
     */
    Pointcut execution1;

    /**
     * @Expression execution(test.constructor.TestBeforeAdvice.new())
     */
    Pointcut execution2;

    /**
     * @Expression execution(test.constructor.TestAfterAdvice.new(String))
     */
    Pointcut execution3;

    /**
     * @Expression execution(test.constructor.TestBeforeAfterAdvice.new(String[]))
     */
    Pointcut execution4;

    /**
     * @Expression execution(test.constructor.TestReturnFalseType.new())
     */
    Pointcut execution5;

    // ============ Advices ============

    /**
     * @Around call1
     */
    public Object aroundCall(final JoinPoint joinPoint) throws Throwable {
        ConstructorAdviceTest.logCall("beforeCall ");
        final Object result = joinPoint.proceed();
        ConstructorAdviceTest.logCall("afterCall ");
        return result;
    }

    /**
     * @Before call2 || call4
     */
    public void beforeCall(final JoinPoint joinPoint) throws Throwable {
        ConstructorAdviceTest.logCall("preCall ");
    }

    /**
     * @After call3 ||call4
     */
    public void afterCall(final JoinPoint joinPoint) throws Throwable {
        ConstructorAdviceTest.logCall("postCall ");
        ConstructorSignature sig = (ConstructorSignature) joinPoint.getSignature();
    }

    /**
     * @Around call5 AND ! withincode(* test.constructor.*.testExecutionReturnFalseType(..))
     */
    public Object aroundCall2(final JoinPoint joinPoint) throws Throwable {
        return new Integer(0);
    }

    /**
     * @Around execution1
     */
    public Object aroundExecution(final JoinPoint joinPoint) throws Throwable {
        ConstructorAdviceTest.logExecution("beforeExecution ");
        final Object result = joinPoint.proceed();
        ConstructorAdviceTest.logExecution("afterExecution ");
        return result;
    }

    /**
     * @Before execution2 || execution4
     */
    public void beforeExecution(final JoinPoint joinPoint) throws Throwable {
        ConstructorAdviceTest.logExecution("preExecution ");
    }

    /**
     * @After execution3 || execution4
     */
    public void afterExecution(final JoinPoint joinPoint) throws Throwable {
        ConstructorAdviceTest.logExecution("postExecution ");
    }

    /**
     * @Around execution5
     */
    public Object aroundExecution2(final JoinPoint joinPoint) throws Throwable {
        //TODO - to check - is that ok - ctor exe does not return new instance (too late, it is exec.)
        ((TestReturnFalseType) joinPoint.getTarget()).m_updatedByAdvice = true;
        return new Integer(0);//ignored
    }
}