Theoretically you can use ajc from aspectjtools.jar and compile on the fly, even thought this does not sound so nice.
See my answer at http://stackoverflow.com/a/15837624/1082681 for a code sample. Alexander Kriegisch Am 16.04.2013 um 14:16 schrieb Ron DiFrango <rdifra...@captechconsulting.com>: > Gokul, > > Even if you are using load time weaving, the aspects themselves have to be > compiled with the aspect compiler. I don't think there is any way around > this. > > Thanks, > > > Ron DiFrango > From: aspectj-users-boun...@eclipse.org [aspectj-users-boun...@eclipse.org] > on behalf of Gokul [mail_goku...@yahoo.co.in] > Sent: Tuesday, April 16, 2013 12:37 AM > To: aspectj-users@eclipse.org > Subject: [aspectj-users] LTW: Are there any posibilities to avoid using ajc > and overcome NoSuchMethodError > > Hi, > > My project uses a custom plugin framework, where plugin's are JAR files > loaded at run-time by the framework using custom class loader. We have > several plugin JAR files that are to be loaded and AOP looks to be a perfect > solution to add a particular functionality across plugins. > > Following are my Aspect definition and other implementation details: > > package net.XXX.pub.plugin; > > @Aspect > public class FatalWarningAdvice > { > @Around("target(net.XXX.pub.plugin.XXX.XXModelSerializable) && > call(@ReportFatalError * *(..))") > public void handleFatalWarning(ProceedingJoinPoint joinPoint) throws > Throwable { > > XXModelSerializable target = > (XXModelSerializable)joinPoint.getTarget(); > > try { > joinPoint.proceed(); > } catch(Throwable ex) { > throw new XXPluginException(target.getDetailedErrorMessage(ex)); > } > > } > > /* Adding below method solves my problem, but are there any better way to > solve this problem ? > public static FatalWarningAdvice aspectOf() { > return new FatalWarningAdvice(); > }*/ > } > > The above aspect is part of public.jar file. I have also defined aop.xml file > under META-INF folder as follows: > > <aspectj> > <aspects> > <!-- declare existing aspects to the weaver --> > <aspect name="net.XXX.pub.plugin.FatalWarningAdvice"/> > </aspects> > <weaver options="-showWeaveInfo"> > <include within="com.XXX.plugin..*"/> > <include within="net.XXX.pub.plugin..*"/> > </weaver> > </aspectj> > > I want FatalWarningAdvice aspect to be weaved on runtime when plugin's are > loaded by the plugin framework. Following code demonstrated the same: > > private synchronized ClassLoader getClassLoader(String jarName) throws > IOException { > ClassLoader classLoader = classLoaders.get(jarName); > if(null == classLoader) { > ClassLoader startupClassLoader = > PluginServiceImpl.class.getClassLoader(); > File jarFile = new File(runtimeJarDir, jarName); > File aspectJarFile = new File("public.jar"); > //classLoader = new NestedJarClassLoader(jarFile, tmpJarDir, > startupClassLoader); > //Below call provides list of URLs that will be input to AspectJ > weaver. > List<URL> classURLs = NestedJarClassLoader.getURLList(jarFile, > tmpJarDir); > classURLs.add(aspectJarFile.toURI().toURL()); > classLoader = new WeavingURLClassLoader(classURLs.toArray(new > URL[classURLs.size()]), new URL[]{aspectJarFile.toURI().toURL()}, > startupClassLoader); > classLoaders.put(jarName, classLoader); > } > return classLoader; > } > > Upon executing the above code I get the following exception: > java.lang.NoSuchMethodError: > net.XXX.pub.plugin.FatalWarningAdvice.aspectOf()Lnet/XXX/pub/plugin/FatalWarningAdvice; > > I could temporarily over come this problem by adding below lines of code in > my Aspect: > > public static FatalWarningAdvice aspectOf() { > return new FatalWarningAdvice(); > } > > Are there any work-around to this problem ? One solution is to use ajc or > iajc but then I requires change to my build environment. As part of LTW are > there any possibility to avoid using ajc ? > Introducing ajc in the build process is a pain as it will affect the team, > each developer has to include the aspectj-tools.jar to ant library (to my > knowledge). Are there any possibilities for AspectJ to include these methods > at runtime ? > > Thanks in advance > Gokul > > > > _______________________________________________ > aspectj-users mailing list > aspectj-users@eclipse.org > https://dev.eclipse.org/mailman/listinfo/aspectj-users
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