APT (Annotation Processing Tool)

馋奶兔 提交于 2020-01-21 01:12:07

问题


I was trying to find simple example to understand the usage of apt command, but I couldn't find a helpful resource for this.

I have referred this Getting Started with the Annotation Processing Tool but I do get a high level understanding. Moreover I want to write a code to test apt command. Can somebody post a simple example or better link to refer?


回答1:


Here's an example of creating a Note annotation and associated processor:

APT: Compile-Time Annotation Processing with Java

Update. As of Java 1.7:

JSR 269, also known as the Language Model API, has two basic pieces: an API that models the Java programming language, and an API for writing annotation processors. This functionality is accessed through new options to the javac command; by including JSR 269 support, javac now acts analogously to the apt command in JDK 5.




回答2:


The book "Core Java 2: Advanced features" has a section called The apt Tool for Source-Level Annotation Processing which might help you.

Update. As of Java 1.7:

JSR 269, also known as the Language Model API, has two basic pieces: an API that models the Java programming language, and an API for writing annotation processors. This functionality is accessed through new options to the javac command; by including JSR 269 support, javac now acts analogously to the apt command in JDK 5.



来源:https://stackoverflow.com/questions/5032629/apt-annotation-processing-tool

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