aspectj手寫(xiě)權(quán)限申框架預(yù)習(xí)

AOPOOPSpring重要內(nèi)容，是函數(shù)式編程的一種衍生范型。利AOP部分進(jìn)行各部分之間的耦合度降低，提高程序的可重用性，同時(shí)提高了AOPOOPSpring重要內(nèi)容，是函數(shù)式編程的一種衍生范型。利AOP部分進(jìn)行各部分之間的耦合度降低，提高程序的可重用性，同時(shí)提高了1.1主要功能日志記錄，性能統(tǒng)計(jì)，安全控制，事務(wù)處理，異常處理1.2主要目標(biāo)將日志記錄，性能統(tǒng)計(jì)，安全控制，事務(wù)處理，異常處理碼中劃分出來(lái)，通過(guò)對(duì)這些行這些行為的時(shí)候不1.3適用對(duì)象OOP力有日志、性能、安全、異常處理1.4AOPOOP裝，以獲得更不是單一的類(lèi)，不OOP不是單一的類(lèi)，不OOP是處理AOP不OOP了OOP不足。OOP了問(wèn)題，AOPAOP.1意思就是意思就是ajc?Java?.ajaspectj在Java編譯?的基礎(chǔ)上增加了ajc?Java?.ajaspectj在Java編譯?的基礎(chǔ)上增加了weaver織入?：為了在java編譯?上使用AspectJ而不Ajc?，aspectJ5了@AspectJ，AspectJJava?AndroidStudioajc?Android@AspectJ（SpringAOP）目標(biāo)程序，根據(jù)切點(diǎn)（PointCut）Aspect（Weave）到目標(biāo)程序的.class了重構(gòu)（象、方法、參數(shù)等上下文信息），AOP2.1Gradle配置示AspectJAndroidGradle行classpath'org.aspectj:aspectjtools:1.8.9'import行classpathcompileimportorg.aspectj.bridge.IMessageimportorg.aspectj.bridge.IMessageimportorg.aspectj.bridge.MessageHandlerimportorg.aspectj.tools.ajc.Main//gradleandroid.libraryVariants.all{variantLibraryPluginplugin=project.plugins.getPlugin(LibraryPlugin)JavaCompilejavaCompile=variant.javaCompilejavaCompile.doLast{String[]args=["showWeaveInfo","inpath",javaCompile.destinationDir.toString(),"aspectpath",javaCompile.classpath.asPath,"d",javaCompile.destinationDir.toString(),"classpath",javaCompile.classpath.asPath,MessageHandlerhandler=newMessageHandler(true)?newMain().run(args,handler)deflog=for(IMessagemessage:handler.getMessages(null,true)){switch(message.getKind()){casecasecaselog.errormessage.message,message.thrownmessage.message,message.throwncaselog.debugmessage.message,message.thrown2.2基本概念2.2.1切面——實(shí)現(xiàn)crosscuttinglogging2.2基本概念2.2.1切面——實(shí)現(xiàn)crosscuttinglogging法執(zhí)行AOP了，我們可以針對(duì)不同的需求做出不//aspectj{disableWhenDebugtruejavartNeededtrueexcludegroup:'xxxx',module:'xxxx'compileOptions{defaultJavaVersion=buildscript{repositories{dependenciesclasspath'com.meituan.gradle:roboaspectj:0.9.2'classpath'jaop.gradle.plugin:gradleplugin:1.0.2'//Excludetheversionthattheandroidplugindepends2.2.2連接點(diǎn)——findInfo(String)AspectJ行JoinPoint2.2.2連接點(diǎn)——findInfo(String)AspectJ行JoinPoint行下面列AspectJjoinpoint2.2.3切點(diǎn)——pointcutadvicejointpoint達(dá)式來(lái)進(jìn)行匹配應(yīng)用，決定了jointpointcallexecution、target、this、within達(dá)式來(lái)進(jìn)行匹配應(yīng)用，決定了jointpointcallexecution、target、this、within1.JoinPointpointcutsJoinpointJPointJPoint，每一個(gè)函數(shù)執(zhí)行找到目標(biāo)的表2列出了JPoint表2列出了JPoint使用且call(<列arg()call(<列arg()@Around(value="execution(*BitmapFacade.picasso.init(java.lang.String,java.lang.String))&&publicObjectaroundArgs(Stringarg1,Stringarg2,ProceedingJoinPointjoinPoint){System.out.println("aspectsarg="+arg1.toString()+""+arg2)?ObjectresutObject=null?try{resutObject=joinPceed(new}catch(Throwablee){@Pointcut("execution(**..Activity+.onStart(..))&&within(com.meituan.hotel.roadmap.*)")publicvoidonStart(){}@Pointcut("call(@Describepublicvoidcom.davidkuper.MainActivity.*(..))")publicvoidpointCut(){}@Pointcut("call(*android.widget.Toast+.show(..))&&(within(com.meituan..*)||publicvoidtoastShow()@Pointcut("call(@Describepublicvoidcom.davidkuper.MainActivity.init(Context))")publicvoidpointCut(){}通過(guò)2.2.4通知——pointcut通過(guò)2.2.4通知——pointcutadvice（包括：beforeafter、around）（1）@Before、例privatestaticfinalStringINSTANCE_METHOD_CALL@paramepublicvoidhandle(Exceptione){}@Around("execution(static*tBitmapFacade.picasso.init(..))&&!within(aspectj.*)")publicvoidpointCutAround(ProceedingJoinPointjoinPoint){ObjectresutObject=null?try{Object[]args=joinPoint.getArgs()?resutObject=joinPceed(args)?}catch(Throwablee){returnreturn@param@parame@param@parame@AfterThrowing(pointcut="afterThrow()",throwing="e")publicvoidafterThrowing(JoinPointjoinPoint,Exceptione){Log.e(TAG,joinPoint.getTarget().getClass().getSimpleName()+"afterThrowing():"+privatestaticfinalStringPOINTCUT_METHOD"(execution(*android.app.Activity+.*(..))||execution(**..Layout+.*(..)))&&@Pointcut(POINTCUT_METHOD)publicvoidmethodAnnotated(){@Around("methodAnnotated()")publicObjectweaveJoinPoint(ProceedingJoinPointjoinPoint)throwsThrowable{行Objectresult=joinPceed()?returnresult?"call(!static*com.meituan.hotel.roadmap..*.*(..))&&target(Object)"?@Pointcut(INSTANCE_METHOD_CALL)publicvoidinstanceMethodCall(){@Before("instanceMethodCall()")publicvoidbeforInstanceCall(JoinPointjoinPoint){printLog(joinPoint,"beforeinstancecall")?@After("instanceMethodCall()")publicvoidafterInstanceCall(JoinPointjoinPoint){printLog(joinPoint,"afterinstancecall")?2.3執(zhí)行原AspectJ.class2.3執(zhí)行原AspectJ.class行代碼注入的方式將通知(Advise)pointCutAdviseJoinPoint這樣在程序運(yùn)行AdviseJoinPointBeforeAfterBeforeAfterJoinPointBefore\AfterAdviseJoinPoint行2.3.2Around2.3.2Around替換，通過(guò)一個(gè)單獨(dú)的閉包拆分來(lái)執(zhí)行JoinPoint行了代理ExampleprintLog()方法進(jìn)行代理ExampleprintLog()方法進(jìn)行g(shù)etValue()AdvisepublicclasspublicclassExample{Stringvalue="value"?publicvoidprintLog(){Stringstr=publicStringgetValue(){returnvalue?網(wǎng)上給的反編譯過(guò)程都是hotel_road_mapdebugjar里網(wǎng)上給的反編譯過(guò)程都是hotel_road_mapdebugjar里類(lèi)，不知道什publicclassExampleprivatestaticfinalStaticPartajc$tjp_0=null?privatestaticfinalStaticPartajc$tjp_1=privatestaticfinalStringINSTANCE_METHOD_EXECUTING="execution(!static*@Pointcut(INSTANCE_METHOD_EXECUTING)publicvoidinstanceMethodExecuting(){行@Around("instanceMethodExecuting()")publicObjectInstanceMethodExecutingAround(ProceedingJoinPointjoinPoint){Objectresult=printLog(joinPoint,"instancereturn例privatestaticfinalStringINSTANCE_METHOD_CALL="call(!static*@Pointcut(INSTANCE_METHOD_CALL)publicvoidinstanceMethodCall(){@Before("instanceMethodCall()")publicvoidbeforInstanceCall(JoinPointjoinPoint){printLog(joinPoint,"beforeinstancecall")?@After("instanceMethodCall()")publicvoidafterInstanceCall(JoinPointjoinPoint){printLog(joinPoint,"afterinstancecall")?privatestaticprivatestaticfinalStaticPartajc$tjp_2=StringTAG="Example"?Stringvalue="value"?static{列privatestaticvoidajc$preClinit()Factoryfactory=newFactory("Example.java",ajc$tjp_0=factory.makeSJP(JoinPoint.METHOD_CALL,factory.makeMethodSig("1","getValue","com.meituan.hotel.roadmap.Ex")?ajc$tjp_1=factory.makeSJP(JoinPoint.METHOD_EXECUTION,factory.makeMethodSig("1","printLog","com.meituan.hotel.roadm")?ajc$tjp_2=factory.makeSJP(JoinPoint.METHOD_EXECUTION,factory.makeMethodSig("1","getValue","com.meituan.hotel.roadm")?publicclassAjcClosure1extendsAroundClosure{publicAjcClosure1(Object[]objArr){publicObjectrun(Object[]objArr){Object[]objArr2=this.state?Example.printLog_aroundBody0((Example)objArr2[0],(JoinPoint)objArr2[1])?returnnull?staticfinalvoidprintLog_aroundBody0(Exampleajc$this,JoinPointjoinPoint){JoinPointmakeJP=Factory.makeJP(ajc$tjp_0,ajc$this,ajc$this)?tryStringstr=ajc$this.getValue()?}finally行Before正的方法體被放在了新的方法中。Before\AfterPointCutJoinPointBefore\AfterPointCutJoinPointBefore\AfterJoinPointAOPstaticfinalvoidprintLog_aroundBody0(Exampleajc$this,JoinPointjoinPoint){JoinPointmakeJP=Factory.makeJP(ajc$tjp_0,ajc$this,ajc$this)?tryStringstr=ajc$this.getValue()?}finally行publicvoidprintLog()JoinPointmakeJP=Factory.makeJP(ajc$tjp_1,this,LogAspect.aspectOf().InstanceMethodExecutingAround(newAjcClosure1(newObject[]{this,makeJP}).linkClosureAndJoinPoint(publicStringgetValue()JoinPointmakeJP=Factory.makeJP(ajc$tjp_2,this,this)?return(String)LogAspect.InstanceMethodExecutingAround(newAjcClosure3(newObject[]{this,Around為Around為printLogXXX_aroundBodyN(args)的方法體被放在了新的方法中。publicvoidprintLog()JoinPointmakeJP=Factory.makeJP(ajc$tjp_1,this,joinPceed()調(diào)用閉包執(zhí)行原方法。LogAspect.aspectOf().InstanceMethodExecutingAround(newAjcClosure1(newObject[]{this,列privatestaticvoidajc$preClinit()Factoryfactory=newFactory("Example.java",ajc$tjp_0=factory.makeSJP(JoinPoint.METHOD_CALL,factory.makeMethodSig("1","getValue","com.meituan.hotel.roadmap.Exa")?ajc$tjp_1=factory.makeSJP(JoinPoint.METHOD_EXECUTION,factory.makeMethodSig("1","printLog","com.meituan.hotel.roadma")?ajc$tjp_2=factory.makeSJP(JoinPoint.METHOD_EXECUTION,factory.makeMethodSig("1","getValue","com.meituan.hotel.roadma")?publicJoinPoint.StaticPartmakeSJP(Stringkind,Stringmodifiers,StringmethodName,StringdeclaringType,StringparamTypes,StSignaturesig=this.makeMethodSig(modifiers,methodName,declaringType,paramTypes,paramNames,"",returnType)?returnnewJoinPointImpl.StaticPar