Package org.jboss.classfilewriter.code

Examples of org.jboss.classfilewriter.code.CodeAttribute.invokespecial()

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            // this will only happen if the proxy isloaded into the wrong classloader
            ca.branchEnd(loopEnd);
            ca.newInstruction("java.lang.RuntimeException");
            ca.dup();
            ca.ldc("Could not find method " + methodToLoad);
            ca.invokespecial("java.lang.RuntimeException", "<init>", "(Ljava/lang/String;)V");
            ca.athrow();
            ca.branchEnd(gotoEnd);
            ca.pop();
            ca.aload(2);
            ca.checkcast("java.lang.reflect.Method");
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            ca.getfield(getClassName(), CONSTRUCTED_GUARD, "Z");
            // if the object has not been constructed yet invoke the superclass version of the method
            BranchEnd end = ca.ifne();
            ca.aload(0);
            ca.loadMethodParameters();
            ca.invokespecial(getSuperClassName(), method.getName(), method.getDescriptor());
            ca.returnInstruction();
            // normal invocation path begins here
            ca.branchEnd(end);
            ca.aload(0);
            ca.getfield(getClassName(), INVOCATION_HANDLER_FIELD, InvocationHandler.class);
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            ca.aload(0);
            ca.iconst(0);
            ca.putfield(getClassName(), CONSTRUCTED_GUARD, "Z");
            ca.aload(0);
            ca.loadMethodParameters();
            ca.invokespecial(constructor);
            ca.aload(0);
            ca.iconst(1);
            ca.putfield(getClassName(), CONSTRUCTED_GUARD, "Z");
            ca.returnInstruction();
        }
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        public void overrideMethod(ClassMethod method, Method superclassMethod) {
            // superClassMethod will be null
            CodeAttribute ca = method.getCodeAttribute();
            ca.newInstruction(serializableProxyClass.getName());
            ca.dup();
            ca.invokespecial(serializableProxyClass.getName(), "<init>", "()V");
            ca.dup();
            ca.aload(0);
            ca.invokeinterface(SerializableProxy.class.getName(), "setProxyInstance", "(Ljava/lang/Object;)V");
            ca.returnInstruction();
        }
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            ca.getfield(getClassName(), CONSTRUCTED_GUARD, "Z");
            // if the object has not been constructed yet invoke the superclass version of the method
            BranchEnd end = ca.ifne();
            ca.aload(0);
            ca.loadMethodParameters();
            ca.invokespecial(getSuperClassName(), method.getName(), method.getDescriptor());
            ca.returnInstruction();
            // normal invocation path begins here
            ca.branchEnd(end);
            ca.aload(0);
            ca.getfield(getClassName(), INVOCATION_HANDLER_FIELD, InvocationHandler.class);
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            ca.aload(0);
            ca.iconst(0);
            ca.putfield(getClassName(), CONSTRUCTED_GUARD, "Z");
            ca.aload(0);
            ca.loadMethodParameters();
            ca.invokespecial(constructor);
            ca.aload(0);
            ca.iconst(1);
            ca.putfield(getClassName(), CONSTRUCTED_GUARD, "Z");
            ca.returnInstruction();
        }
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        public void overrideMethod(ClassMethod method, Method superclassMethod) {
            // superClassMethod will be null
            CodeAttribute ca = method.getCodeAttribute();
            ca.newInstruction(serializableProxyClass.getName());
            ca.dup();
            ca.invokespecial(serializableProxyClass.getName(), "<init>", "()V");
            ca.dup();
            ca.aload(0);
            ca.invokeinterface(SerializableProxy.class.getName(), "setProxyInstance", "(Ljava/lang/Object;)V");
            ca.returnInstruction();
        }
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