Examples of org.jboss.byteman.agent.adapter.RuleCheckAdapter

org.jboss.byteman.agent.adapter.RuleCheckAdapter
asm Adapter class used to check that the target method for a rule exists in a class

        // visitor and th eonly safe ting to do is back out the whole transform.


        ClassReader cr = new ClassReader(targetClassBytes);
        // need to provide a real writer here so that labels get resolved
        ClassWriter dummy = getNonLoadingClassWriter(0);
        RuleCheckAdapter checkAdapter = handlerLocation.getRuleCheckAdapter(dummy, this);
        try {
            // insert a local scope adapter between the reader and the adapter so
            // we see info about vars going in and out of scope
            BMLocalScopeAdapter localScopeAdapter = new BMLocalScopeAdapter(checkAdapter);
            cr.accept(localScopeAdapter, ClassReader.EXPAND_FRAMES);
        } catch (TransformFailure te) {
            // will already be notified
            return targetClassBytes;
        } catch (Throwable th) {
            // hmm, unexpected error
            if (Transformer.isVerbose()) {
                System.out.println("org.jboss.byteman.agent.Transformer : unexpected error applying rule " + ruleScript.getName() + " to class " + triggerClassName + "\n" + th);
                th.printStackTrace(System.out);
            }
            recordFailedTransform(th);
            return targetClassBytes;
        }
        // only insert the rule trigger call if there is a suitable location in the target method
        if (!checkAdapter.isVisited()) {
            //  there was no matching method so ignore
            return targetClassBytes;
        }


        if (Transformer.isVerbose()) {

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        // visitor and th eonly safe ting to do is back out the whole transform.


        ClassReader cr = new ClassReader(targetClassBytes);
        // need to provide a real writer here so that labels get resolved
        ClassWriter dummy = getNonLoadingClassWriter(0);
        RuleCheckAdapter checkAdapter = handlerLocation.getRuleCheckAdapter(dummy, this);
        try {
            // insert a local scope adapter between the reader and the adapter so
            // we see info about vars going in and out of scope
            BMLocalScopeAdapter localScopeAdapter = new BMLocalScopeAdapter(checkAdapter);
            cr.accept(localScopeAdapter, ClassReader.EXPAND_FRAMES);
        } catch (TransformFailure te) {
            // will already be notified
            return targetClassBytes;
        } catch (Throwable th) {
            // hmm, unexpected error
            if (Transformer.isVerbose()) {
                System.out.println("org.jboss.byteman.agent.Transformer : unexpected error applying rule " + ruleScript.getName() + " to class " + triggerClassName + "\n" + th);
                th.printStackTrace(System.out);
            }
            recordFailedTransform(th);
            return targetClassBytes;
        }
        // only insert the rule trigger call if there is a suitable location in the target method
        if (!checkAdapter.isVisited()) {
            //  there was no matching method so ignore
            return targetClassBytes;
        }


        if (Transformer.isVerbose()) {

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        // so we


        ClassReader cr = new ClassReader(targetClassBytes);
        // need to provide a real writer here so that labels get resolved
        ClassWriter dummy = getNonLoadingClassWriter(0);
        RuleCheckAdapter checkAdapter = handlerLocation.getRuleCheckAdapter(dummy, transformContext);
        try {
            cr.accept(checkAdapter, ClassReader.EXPAND_FRAMES);
        } catch (Throwable th) {
            if (isVerbose()) {
                System.out.println("org.jboss.byteman.agent.Transformer : error applying rule " + ruleScript.getName() + " to class " + className + "\n" + th);
                th.printStackTrace(System.out);
            }
            transformContext.recordFailedTransform(th);
            return targetClassBytes;
        }
        // only insert the rule trigger call if there is a suitable location in the target method
        if (!checkAdapter.isVisited()) {
            //  there was no matching method so ignore
            return targetClassBytes;
        } else if (checkAdapter.isVisitOk()) {
            if (isVerbose()) {
                System.out.println("org.jboss.byteman.agent.Transformer : possible trigger for rule " + ruleScript.getName() + " in class " + className);
            }
            cr = new ClassReader(targetClassBytes);
            ClassWriter cw = getNonLoadingClassWriter(ClassWriter.COMPUTE_MAXS|ClassWriter.COMPUTE_FRAMES);

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Related Classes of org.jboss.byteman.agent.adapter.RuleCheckAdapter

org.jboss.byteman.agent.TransformContext

org.jboss.byteman.agent.Transformer

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