我可以自动重构整个java项目并将大写的方法参数重命名为小写吗? [英] Can I automatically refactor an entire java project and rename uppercase method parameters to lowercase?

问题描述

I'm working in a java project where a big part of the code was written with a formatting style that I don't like (and is also non standard), namely all method parameters are in uppercase (and also all local variables).

On IntellJ I am able to use "Analyze -> Inspect Code" and actually find all occurrences of uppercase method parameters (over 1000).

To fix one occurrence I can do "refactor > rename parameter" and it works fine (let's assume there is no overlapping).

Is there a way to automagically doing this refactor (e.g: rename method parameter starting with uppercase to same name starting with lowercase)?

解决方案

Use a Source Parser

I think what you need to do is use a source code parser like javaparser to do this.

For every java source file, parse it to a CompilationUnit, create a Visitor, probably using ModifierVisitorAdapter as base class, and override (at least) visit(MethodDeclaration, arg). Then write the changed CompilationUnit to a new File and do a diff afterwards.

I would advise against changing the original source file, but creating a shadow file tree may me a good idea (e.g. old file: src/main/java/com/mycompany/MyClass.java, new file src/main/refactored/com/mycompany/MyClass.java, that way you can diff the entire directories).

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