Package com.helger.jcodemodel

Examples of com.helger.jcodemodel.JMethod.body()

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    }

    void buildPrivateConstructor(JFieldVar acceptorField) {
        JMethod constructor = valueClass.constructor(JMod.PRIVATE);
        constructor.param(acceptorField.type(), acceptorField.name());
        constructor.body().assign(JExpr.refthis(acceptorField.name()), JExpr.ref(acceptorField.name()));
    }

    void buildProtectedConstructor(JFieldVar acceptorField, Serialization serialization) throws JClassAlreadyExistsException {
        JMethod constructor = valueClass.constructor(JMod.PROTECTED);
        JAnnotationUse annotation = constructor.annotate(SuppressWarnings.class);
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        JAnnotationUse annotation = constructor.annotate(SuppressWarnings.class);
        annotation.paramArray("value", "null");
        AbstractJClass usedValueClassType = valueClass.narrow(valueClass.typeParams());
        JVar param = constructor.param(JMod.FINAL, usedValueClassType, "implementation");
        param.annotate(Nonnull.class);
        JConditional nullCheck = constructor.body()._if(JExpr.ref("implementation").eq(JExpr._null()));
        JInvocation nullPointerExceptionConstruction = JExpr._new(types._NullPointerException);
        nullPointerExceptionConstruction.arg(JExpr.lit("Argument shouldn't be null: 'implementation' argument in class constructor invocation: " + valueClass.fullName()));
        nullCheck._then()._throw(nullPointerExceptionConstruction);

        JDefinedClass proxyClass = createProxyClass(serialization);
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        JDefinedClass proxyClass = createProxyClass(serialization);
        AbstractJClass usedProxyClassType = proxyClass.narrow(valueClass.typeParams());
        JInvocation construction = JExpr._new(usedProxyClassType);
        construction.arg(JExpr.ref("implementation"));
        constructor.body().assign(JExpr.refthis(acceptorField.name()), construction);
    }

    private JDefinedClass createProxyClass(Serialization serialization) throws JClassAlreadyExistsException {
        JDefinedClass proxyClass = valueClass._class(JMod.PRIVATE | JMod.STATIC, "Proxy" + acceptingInterface.name(), EClassType.CLASS);
        for (JTypeVar visitorTypeParameter: acceptingInterface.typeParams()) {
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        JMethod constructor = proxyClass.constructor(JMod.NONE);
        AbstractJClass usedValueClassType = valueClass.narrow(proxyClass.typeParams());
        proxyClass.field(JMod.PRIVATE | JMod.FINAL, usedValueClassType, "implementation");
        constructor.param(usedValueClassType, "implementation");
        constructor.body().assign(JExpr._this().ref("implementation"), JExpr.ref("implementation"));

        JMethod acceptMethod = proxyClass.method(JMod.PUBLIC, types._void, "accept");
        acceptMethod.annotate(Override.class);
        JTypeVar visitorResultType = visitorInterface.getResultTypeParameter();
        JTypeVar resultType = Types.generifyWithBoundsFrom(acceptMethod, visitorResultType.name(), visitorResultType);
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        AbstractJClass usedVisitorType = visitorInterface.narrowed(usedValueClassType, resultType, exceptionType);
        acceptMethod.param(usedVisitorType, "visitor");
        JInvocation invocation = JExpr.ref("implementation").invoke("accept");
        invocation.arg(JExpr.ref("visitor"));
        acceptMethod.body()._return(invocation);
        return proxyClass;
    }

    void buildAcceptMethod(JFieldVar acceptorField) {
        JMethod acceptMethod = valueClass.method(JMod.PUBLIC | JMod.FINAL, types._void, "accept");
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        AbstractJClass usedValueClassType = valueClass.narrow(valueClass.typeParams());
        AbstractJClass usedVisitorType = visitorInterface.narrowed(usedValueClassType, resultType, exceptionType);
        acceptMethod.param(usedVisitorType, "visitor");
        JInvocation invocation = acceptorField.invoke("accept");
        invocation.arg(JExpr.ref("visitor"));
        acceptMethod.body()._return(invocation);
    }

    JMethod buildFactory(Map<String, JMethod> constructorMethods) throws JClassAlreadyExistsException {
        JDefinedClass factory = buildFactoryClass(constructorMethods);
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        AbstractJClass usedValueClassType = valueClass.narrow(factoryMethod.typeParams());
        AbstractJClass usedFactoryType = factory.narrow(factoryMethod.typeParams());
        factoryMethod.type(visitorInterface.narrowed(usedValueClassType, usedValueClassType, types._RuntimeException));
        IJExpression result = JExpr.ref("FACTORY");
        result = usedFactoryType.getTypeParameters().isEmpty() ? result : JExpr.cast(usedFactoryType, result);
        factoryMethod.body()._return(result);
        return factoryMethod;
    }

    private JDefinedClass buildFactoryClass(Map<String, JMethod> constructorMethods) throws JClassAlreadyExistsException {
        JDefinedClass factoryClass = valueClass._class(JMod.PRIVATE | JMod.STATIC, valueClass.name() + "Factory", EClassType.CLASS);
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            AbstractJClass usedCaseClassType = caseClasses.get(interfaceMethod.name()).narrow(constructorMethod.typeParams());
            if (!interfaceMethod.params().isEmpty() || interfaceMethod.hasVarArgs()) {
                boolean hasNullChecks = false;
                for (JVar param1: interfaceMethod.params()) {
                    if (param1.type().isReference() && !isNullable(param1)) {
                        JConditional nullCheck = constructorMethod.body()._if(JExpr.ref(param1.name()).eq(JExpr._null()));
                        JInvocation nullPointerExceptionConstruction = JExpr._new(types._NullPointerException);
                        nullPointerExceptionConstruction.arg(JExpr.lit("Argument shouldn't be null: '" + param1.name() + "' argument in static method invocation: '" + constructorMethod.name() + "' in class " + valueClass.fullName()));
                        nullCheck._then()._throw(nullPointerExceptionConstruction);
                        hasNullChecks = true;
                    }
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                    }
                }
                JVar param1 = interfaceMethod.listVarParam();
                if (param1 != null) {
                    if (param1.type().isReference() && !isNullable(param1)) {
                        JConditional nullCheck = constructorMethod.body()._if(JExpr.ref(param1.name()).eq(JExpr._null()));
                        JInvocation nullPointerExceptionConstruction = JExpr._new(types._NullPointerException);
                        nullPointerExceptionConstruction.arg(JExpr.lit("Argument shouldn't be null: '" + param1.name() + "' argument in static method invocation: '" + constructorMethod.name() + "' in class " + valueClass.fullName()));
                        nullCheck._then()._throw(nullPointerExceptionConstruction);
                        hasNullChecks = true;
                    }
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                if (param2 != null) {
                    caseClassConstructorInvocation.arg(JExpr.ref(param2.name()));
                }
                JInvocation constructorInvocation = JExpr._new(usedValueClassType);
                constructorInvocation.arg(caseClassConstructorInvocation);
                constructorMethod.body()._return(constructorInvocation);
            } else {
                JInvocation caseClassConstructorInvocation = JExpr._new(usedCaseClassType.erasure());
                JInvocation initializer = JExpr._new(usedValueClassType.erasure());
                initializer.arg(caseClassConstructorInvocation);
                JFieldVar singletonInstanceField = valueClass.field(JMod.PRIVATE | JMod.STATIC | JMod.FINAL,
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