A type-safe, statically compiled Mustache templating engine for Java that generates readable Java source code.
JStachio is a type-safe, statically compiled Mustache templating engine for Java that generates Java source code from templates. It solves the problem of runtime template errors by performing full static checking of value bindings at compile time, ensuring that missing fields or type mismatches are caught early in the development process.
Java developers building web applications, APIs, or any system requiring templating who prioritize type safety, performance, and compile-time error detection over dynamic runtime templating.
Developers choose JStachio for its rigorous compile-time type checking, which eliminates a class of runtime errors common in templating, and for its high performance as one of the fastest Java templating engines, all while maintaining zero dependencies and seamless integration with existing Java tooling.
Java type safe statically compiled mustache
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Validates all template bindings at compile time, catching missing fields and type mismatches before deployment, as shown in the README's error examples with friendly messages.
Outperforms other Java templating engines in benchmarks, with specific charts for string and UTF-8 byte output speeds, making it one of the fastest options available.
Can generate all necessary code, eliminating runtime dependencies for minimal footprint, which is particularly useful for GraalVM native image projects.
Works with standard javac and any IDE without plugins, leveraging annotation processors for zero configuration setup, as demonstrated in the Maven and Gradle examples.
Lambda sections cannot return dynamic templates, deviating from the Mustache spec and restricting advanced use cases, as admitted in the README.
Template changes require recompilation, which can slow down iteration compared to runtime templating engines, despite fallback rendering options for development.
Requires explicit setup in build tools like Maven or Gradle, adding complexity for teams unfamiliar with annotation processing or those using minimal build configurations.