Question 1

How do I use lesscss-java in a Maven project?

Accepted Answer

Add the dependency with groupId org.lesscss, artifactId lesscss, and version 1.7.0.1.1 in your pom.xml; it's available in Maven Central, so no extra repositories are needed.

Question 2

Does lesscss-java support LESS 3 or 4 features?

Accepted Answer

No, it's compatible with LESS 1.7.0 only, so features introduced in later versions, like advanced mixins or color functions, are not supported.

Question 3

lesscss-java vs Node.js LESS compiler – which is better for Java apps?

Accepted Answer

Use lesscss-java if you need a pure Java solution without Node.js dependencies; otherwise, Node.js compiler is faster and more up-to-date but requires external tooling.

Question 4

How to compile LESS files with custom options in Java?

Accepted Answer

Instantiate LessCompiler with a list of options like Arrays.asList("--relative-urls", "--strict-math=on"), then call the compile method with your LESS input as a string or file.

Question 5

Is lesscss-java thread-safe for servlet applications?

Accepted Answer

Yes, the LessCompiler is thread-safe, so you can create a single instance and reuse it across multiple threads, as stated in the README for server-side use.

Question 6

What are the required dependencies for lesscss-java without Maven?

Accepted Answer

You need Apache Commons IO 2.4, Apache Commons Lang 3.1, and Rhino JavaScript engine 1.7R4; download and add them to your classpath manually.

Less CSS Compiler for Java

What is Less CSS Compiler for Java?

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