Examples of javassist.CtClass.instrument()

javassist.CtClass.instrument()
Applies the given converter to all methods and constructors declared in the class. This method calls instrument() on every CtMethod and CtConstructor object in the class. @param converter specifies how to modify.

               }
               // check if clazz should be added to classes
               clazz.defrost();
               byte[] previousByteCode = clazz.toBytecode();
               clazz.defrost();
               clazz.instrument(converter);
               if (!java.util.Arrays.equals(clazz.toBytecode(), previousByteCode))
               {
                  classes.add(clazz);
               }
               clazz.defrost();

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            if (classFilter(definition, classMetaData, ctClass)) {
                return;
            }


            ctClass.instrument(
                    new ExprEditor() {
                        public void edit(Handler handlerExpr) throws CannotCompileException {
                            try {
                                CtClass exceptionClass = null;
                                try {

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                                + '}'
                        );
                    }
                }
            };
            klass.instrument(defineClass0Pre);


            return pool.write("java.lang.ClassLoader");
        }
        catch (Exception e) {
            System.err.println("failed to patch ClassLoader:");

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            ClassMetaData classMetaData = JavassistMetaDataMaker.createClassMetaData(ctClass);
            if (classFilter(definition, classMetaData, ctClass)) {
                return;
            }


            ctClass.instrument(
                    new ExprEditor() {
                        public void edit(NewExpr newExpr) throws CannotCompileException {
                            try {
                                CtBehavior where = null;
                                try {

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            constructorExecutionTransformer.unwrap(clazz, unwrapTargets.constructorExecutions);
            methodExecutionTransformer.wrap(clazz, wrapTargets.methodExecutions);
            methodExecutionTransformer.unwrap(clazz, unwrapTargets.methodExecutions);
            if (!update.isEmpty())
            {
               clazz.instrument(converter);
               classes.add(clazz);
            }
         }
         // instrument classes that access the joinpoints whose status have changed, in
         // order to make this classes access the joinpoint wrapper instead

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               }
               // check if clazz should be added to classes
               clazz.defrost();
               byte[] previousByteCode = clazz.toBytecode();
               clazz.defrost();
               clazz.instrument(converter);
               if (!java.util.Arrays.equals(clazz.toBytecode(), previousByteCode))
               {
                  classes.add(clazz);
               }
               clazz.defrost();

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          try
          {
             processedClass.defrost();
             byte[] previousByteCode = processedClass.toBytecode();
             processedClass.defrost();
             processedClass.instrument(codeConverter);
             byte[] updatedByteCode = processedClass.toBytecode();
             if (!java.util.Arrays.equals(updatedByteCode, previousByteCode))
             {
               hotSwapper.registerChange(classPool.getClassLoader().loadClass(processedClass.getName()), updatedByteCode);
             }

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/*     */ 
/*     */   public void onLoad(ClassPool pool, String classname)
/*     */     throws CannotCompileException, NotFoundException
/*     */   {
/* 128 */     CtClass clazz = pool.get(classname);
/* 129 */     clazz.instrument(this.converter);
/*     */   }
/*     */ 
/*     */   public boolean makeReflective(String classname, String metaobject, String metaclass)
/*     */     throws CannotCompileException, NotFoundException
/*     */   {

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        ClassPool pool = new ClassPool(true);
        CtClass echoClass = pool.get(ArrayAccessReplaceTest.class.getName() + "$Echo");
        CtClass simpleClass = pool.get(ArrayAccessReplaceTest.class.getName() + "$Simple");
        CodeConverter converter = new CodeConverter();
        converter.replaceArrayAccess(echoClass, new CodeConverter.DefaultArrayAccessReplacementMethodNames());
        simpleClass.instrument(converter);
        //simpleClass.writeFile("/tmp");
        simple = (SimpleInterface) simpleClass.toClass(new URLClassLoader(new URL[0], getClass().getClassLoader()), Class.class.getProtectionDomain()).newInstance();
    }


    public void testComplex() throws Exception {

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        ClassPool pool = new ClassPool(true);
        CtClass clazz = pool.get(ArrayAccessReplaceTest.class.getName() + "$Complex");


        CodeConverter converter = new CodeConverter();
        converter.replaceArrayAccess(clazz, new CodeConverter.DefaultArrayAccessReplacementMethodNames());
        clazz.instrument(converter);
        ComplexInterface instance = (ComplexInterface) clazz.toClass(new URLClassLoader(new URL[0], getClass().getClassLoader()), Class.class.getProtectionDomain()).newInstance();
        assertEquals(new Integer(5), instance.complexRead(4));
    }


    public void testBoolean() throws Exception {

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