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

Class org.jboss.classfilewriter.code.CodeAttribute

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

org.jboss.classfilewriter.code.CodeAttribute.ldc()
Adds an ldc instruction for an int. @param value

            int j = 0;
            for (i = 0; i < len; i++) {
                if (!RemoteException.class.isAssignableFrom(exceptions[i])) {
                    init.dup();
                    init.iconst(j);
                    init.ldc(exceptions[i].getName());
                    init.aastore();
                    j++;
                }
            }

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                }
            }


            // Push fourth argument for StubStrategy constructor:
            // abbreviated name of the return value marshaller
            init.ldc(CDRStream.abbrevFor(returnType));


            // Push fifth argument for StubStrategy constructor:
            // null (no ClassLoader specified)
            init.aconstNull();

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        clinit.iconst(ids.length);
        clinit.anewarray(String.class.getName());
        for (int i = 0; i < ids.length; i++) {
            clinit.dup();
            clinit.iconst(i);
            clinit.ldc(ids[i]);
            clinit.aastore();
        }
        clinit.putstatic(stubClassName, ID_FIELD_NAME, "[Ljava/lang/String;");


        int n = methodIndex; // last methodIndex + 1

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            MethodInformation methodInfo = new StaticMethodInformation("getTargetClass", new String[0], LJAVA_LANG_CLASS, TargetInstanceProxy.class.getName());
            invokeMethodHandler(classMethod, methodInfo, false, DEFAULT_METHOD_RESOLVER, staticConstructor);
            CodeAttribute code = classMethod.getCodeAttribute();
            code.checkcast("java/lang/Class");
            // now we have the class on the stack
            code.ldc(methodName);
            // now we need to load the parameter types into an array
            code.iconst(parameterTypes.length);
            code.anewarray(JAVA_LANG_CLASS_CLASS_NAME);
            for (int i = 0; i < parameterTypes.length; ++i) {
                code.dup(); // duplicate the array reference

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        String fieldName = FIELD_NAME + METHOD_COUNT.incrementAndGet();
        staticConstructor.getClassFile().addField(AccessFlag.PRIVATE | AccessFlag.STATIC, fieldName, LJAVA_LANG_REFLECT_METHOD);
        final CodeAttribute code = staticConstructor.getCodeAttribute();
        BytecodeUtils.pushClassType(code, declaringClass);
        // now we have the class on the stack
        code.ldc(methodName);
        // now we need to load the parameter types into an array
        code.iconst(parameterTypes.length);
        code.anewarray(Class.class.getName());
        for (int i = 0; i < parameterTypes.length; ++i) {
            code.dup(); // duplicate the array reference

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        CodeAttribute b = writeReplace.getCodeAttribute();
        b.newInstruction(SerializableClientProxy.class.getName());
        b.dup();
        b.aload(0);
        b.getfield(proxyClassType.getName(), BEAN_ID_FIELD, BeanIdentifier.class);
        b.ldc(getContextId());
        b.invokespecial(SerializableClientProxy.class.getName(), INIT_METHOD_NAME, "(" + LBEAN_IDENTIFIER + LJAVA_LANG_STRING + ")" + DescriptorUtils.VOID_CLASS_DESCRIPTOR);
        b.returnInstruction();
    }

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        //add the bytecode to load the cached fields in the static constructor
        CodeAttribute ca = staticConstructor.getCodeAttribute();
        ca.getstatic(MethodStore.class.getName(), "METHODS", "Ljava/util/Map;");
        ca.newInstruction(ClassIdentifier.class);
        ca.dup();
        ca.ldc(classFile.getName());
        ca.loadClass(classFile.getName());
        ca.invokevirtual("java.lang.Class", "getClassLoader", "()Ljava/lang/ClassLoader;");
        ca.invokespecial(ClassIdentifier.class.getName(), "<init>", "(Ljava/lang/String;Ljava/lang/ClassLoader;)V");
        ca.invokeinterface(Map.class.getName(), "remove", "(Ljava/lang/Object;)Ljava/lang/Object;");
        ca.checkcast("[Ljava/lang/reflect/Method;");

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        ca.invokespecial(ClassIdentifier.class.getName(), "<init>", "(Ljava/lang/String;Ljava/lang/ClassLoader;)V");
        ca.invokeinterface(Map.class.getName(), "remove", "(Ljava/lang/Object;)Ljava/lang/Object;");
        ca.checkcast("[Ljava/lang/reflect/Method;");
        for (int i = 0; i < identifierCount; ++i) {
            ca.dup();
            ca.ldc(i);
            ca.aaload();
            ca.putstatic(getClassName(), METHOD_FIELD_PREFIX + i, METHOD_FIELD_DESCRIPTOR);
        }
    }

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            // throw runtime exception as we could not find the method.
            // 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);

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            ca.checkcast("java.lang.reflect.Method");
            ca.dup();
            ca.astore(2); // Method, index, array
            // compare method names
            ca.invokevirtual("java.lang.reflect.Method", "getName", "()Ljava/lang/String;");
            ca.ldc(methodToLoad.getName());
            ca.invokevirtual("java.lang.Object", "equals", "(Ljava/lang/Object;)Z"); // int,index,array
            ca.ifEq(loopBegin);
            // compare return types
            ca.aload(2);
            ca.invokevirtual("java.lang.reflect.Method", "getReturnType", "()Ljava/lang/Class;");

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