Generating a switch statement using JavaPoet

Question

I am working on an annotation processor written in java. I use JavaPoet to generate some lines of code. I need to generate a switch statement. Now I use the following code:

MethodSpec.Builder methodBuilder = MethodSpec.methodBuilder("parseOnXml") .addAnnotation(Override.class) .addModifiers(Modifier.PUBLIC) .addParameter(typeName(XmlBinderContext.class), "context") .addParameter(typeName(XmlWrapperParser.class), "wrapper") .addParameter(typeName(Integer.TYPE), "currentEventType") .addJavadoc("create new object instance\n") .returns(typeName(item.getElement())); ... methodBuilder.beginControlFlow("switch(eventType)"); methodBuilder.addCode("case $T.START_ELEMENT:\n", XMLEvent.class); methodBuilder.addStatement("break"); methodBuilder.addCode("case $T.END_ELEMENT:\n", XMLEvent.class); methodBuilder.addStatement("break"); methodBuilder.addCode("case $T.CDATA:\n", XMLEvent.class); methodBuilder.addCode("case $T.CHARACTERS:\n", XMLEvent.class); methodBuilder.addStatement("break"); methodBuilder.addCode("default:\n"); methodBuilder.addStatement("break"); methodBuilder.endControlFlow(); 

to generate the following code:

 switch(eventType) { case XMLEvent.START_ELEMENT: break; case XMLEvent.END_ELEMENT: break; case XMLEvent.CDATA: case XMLEvent.CHARACTERS: break; default: break; } 

Is this the only way to generate a switch statement using javapoet, or is there a better way (using beginControlFlow) to generate the same code?

Answer 1

JavaPoet doesn't have much for switch statements, so you probably have the best you can do. Note that you can use $> and $< to adjust indentation in cases if you want.