de.ebf.aopspringdemo.Logger.java Source code

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Here is the source code for de.ebf.aopspringdemo.Logger.java

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/*
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 */

package de.ebf.aopspringdemo;

import de.ebf.aopspringdemo.utilities.Utilities;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.After;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.springframework.stereotype.Component;

/**
 *
 * @author jerryamadon
 */
@Component
@Aspect
public class Logger {

    // reusable pointcut, otherwise put pointcut execution line direct in @Before
    @Pointcut("execution(void de.ebf.aopspringdemo.camera.Camera.*(..))")
    public void cameraSnap() {
    }

    @Pointcut("execution(* de.ebf.aopspringdemo.camera.Camera.snap(String))")
    public void cameraSnapWithName() {
    }

    @Pointcut("execution(* *.*(..))")
    public void cameraRelatedAction() {
    }

    @Pointcut("execution(void de.ebf.aopspringdemo.camera.PhoneCamera.snap())")
    public void phoneCameraSnap() {
    }

    @Pointcut("within(de.ebf.aopspringdemo.camera.PhoneCamera)")
    public void phoneCameraAllWithin() {
    }

    @Pointcut("target(de.ebf.aopspringdemo.camera.PhoneCamera)")
    public void phoneCameraAllTarget() {
    }

    @Pointcut("this(de.ebf.aopspringdemo.camera.ICamera)")
    public void phoneCameraAllThis() {
    }

    @Pointcut("within(@Deprecated de.ebf.aopspringdemo.camera..*)")
    public void deprecatedCameraAction() {
    }

    @Pointcut("@target(org.springframework.stereotype.Component)")
    public void atTargetComponentAction() {
    }

    @Pointcut("@annotation(java.lang.Deprecated)")
    public void deprecatedAction() {
    }

    @Pointcut("@args(org.springframework.stereotype.Component)")
    public void componentArgumentAction() {
    }

    @Pointcut("@args(java.lang.Deprecated)")
    public void deprecatedArgumentAction() {
    }

    @Pointcut("bean(*Camera)")
    public void cameraBeanAction() {
    }

    @Pointcut("args()")
    public void noArgumentAction() {
    }

    @Pointcut("args(Double, ..)")
    public void doubleArgumentAction() {
    }

    @Pointcut("args(fstop, exposure)")
    public void fstopExposureArgumentAction(double fstop, int exposure) {
    }

    @Before("cameraSnap()")
    public void onWillTakePhoto() {
        Utilities.writeToConsole("photo will be taken...");
    }

    @Before("cameraSnapWithName()")
    public void onWillTakePhotoWithName() {
        Utilities.writeToConsole("photo will be taken with name...");
    }

    @Before("phoneCameraSnap()")
    public void onWillTakePhonePhoto() {
        Utilities.writeToConsole("phone photo will be taken...");
    }

    @After("phoneCameraSnap()")
    public void onDidTakePhonePhoto() {
        Utilities.writeToConsole("phone photo taken.");
    }

    @Around("phoneCameraSnap()")
    public void onWillAndDidTakePhonePhoto(ProceedingJoinPoint proceedingJoinPoint) {
        Utilities.writeToConsole("phone photo will be taken (around)...");
        try {
            proceedingJoinPoint.proceed();
        } catch (Throwable e) {
        }
        Utilities.writeToConsole("phone photo taken (around).");
    }

    @Before("phoneCameraAllWithin()")
    public void onPhoneCameraActionWithin() {
        Utilities.writeToConsole("phone camera action within...");
    }

    @Before("phoneCameraAllTarget()")
    public void onPhoneCameraActionTarget() {
        Utilities.writeToConsole("phone camera action target...");
    }

    @Before("phoneCameraAllThis()")
    public void onPhoneCameraActionThis() {
        Utilities.writeToConsole("phone camera action this...");
    }

    @Before("cameraRelatedAction()")
    public void onWillDoCameraRelatedAction() {
        Utilities.writeToConsole("camera action activated...");
    }

    @Before("deprecatedCameraAction()")
    public void onDeprecatedCameraAction() {
        Utilities.writeToConsole("deprecated camera action...");
    }

    @Before("atTargetComponentAction()")
    public void onAtTargetComponentAction() {
        Utilities.writeToConsole("component action...");
    }

    @Before("deprecatedAction()")
    public void onDeprecatedAction() {
        Utilities.writeToConsole("deprecated action...");
    }

    @Before("componentArgumentAction()")
    public void onComponentArgumentAction() {
        Utilities.writeToConsole("component argument action...");
    }

    @Before("deprecatedArgumentAction()")
    public void onDeprectedArgumentAction() {
        Utilities.writeToConsole("deprecated argument action...");
    }

    @Before("cameraBeanAction()")
    public void onCameraBeanAction() {
        Utilities.writeToConsole("camera bean action...");
    }

    @Before("noArgumentAction()")
    public void onNoArgumentAction() {
        Utilities.writeToConsole("no argument action...");
    }

    @Before("doubleArgumentAction()")
    public void onDoubleArgumentAction(JoinPoint joinPoint) {
        for (Object object : joinPoint.getArgs()) {
            Utilities.writeToConsole("Argument: " + object + " (" + object.getClass() + ")");
        }
        Utilities.writeToConsole("double argument action...");
    }

    @Before("fstopExposureArgumentAction(fstop, exposure)")
    public void onFstopExposureArgumentAction(double fstop, int exposure) {
        Utilities.writeToConsole("fstop: " + fstop + ", exposure: " + exposure);
        Utilities.writeToConsole("fstop, exposure argument action...");
    }

    @Before("phoneCameraAllTarget() && fstopExposureArgumentAction(fstop, exposure)")
    public void onPhoneCameraWithFstopExposureArgumentAction(double fstop, int exposure) {
        Utilities.writeToConsole("fstop: " + fstop + ", exposure: " + exposure);
        Utilities.writeToConsole("phone camera: fstop, exposure argument action...");
    }

    //  pointcut directly in advice (non-reusable)
    @After("within(de.ebf.aopspringdemo.camera.*) && @annotation(Deprecated)")
    public void onCameraPackageDeprecated() {
        Utilities.writeToConsole("in package, deprecated, inline advice...");
    }
}