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POCreate Java Annotation to replace a token with code
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2013-03-15T22:40:25.697
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I'm doing a project which in essence is a way for a user to create macros for very long/repetitive code so they can then put these macros into a their code to increase readability and encourage re-usability. The project is split up into two areas: an RCP application where the user constructs their macros and saves them to file, and a plugin-in in eclipse where a user can insert a macro. The RCP application has come along nicely, but now I'm getting to the real bit where I want java to look at a piece of code and at compile time go 'Oh, that piece of code means this'. For example a user could have created a macro with an identifier <code>macro1</code> that represents the code <code>System.out.println("Hello World");</code>. They want to use it in their class <code>foo</code> which will look like: <pre><code>class foo{ //lots of java.... macro1 //lots more java } </code></pre> I want the user to run their class, and when Java compiles it replace <code>macro1</code> with it's value. I have been looking into this for a while and read up a little bit on JavaCC and looked into Ants Replace Task but I feel I want to go down the road of creating a custom annotation to inform Java that this string below the annotation should be transformed into/replaced by a piece of java code located in a specific text file. Hopefully ending up with something like: <pre><code>@ExpandMacro macro1 </code></pre> To me it seems like it could be possible but I don't know if I'm just being too optimistic! :) Also one of my concerns is how deployable would it be as a plugin? If I create a custom annotation how would I make it available to the user to use? Any advice/insights would be very helpful! Edit: I have also looked into <a href="http://projectlombok.org/" rel="nofollow">Project Lombok</a> which is looks extremely insteresting. But again I'm concerned about deployability because of the amount of setup required for a lombok project.
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<java><eclipse><macros><annotations>
Title
Create Java Annotation to replace a token with code
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