Example usage for org.springframework.core KotlinDetector isKotlinPresent

Introduction

In this page you can find the example usage for org.springframework.core KotlinDetector isKotlinPresent.

Prototype

public static boolean isKotlinPresent() 

Source Link

Document

Determine whether Kotlin is present in general.

Usage

From source file:org.springframework.http.converter.json.Jackson2ObjectMapperBuilder.java

@SuppressWarnings("unchecked")
private void registerWellKnownModulesIfAvailable(ObjectMapper objectMapper) {
    try {//from  w w  w. j ava2  s.c o  m
        Class<? extends Module> jdk8Module = (Class<? extends Module>) ClassUtils
                .forName("com.fasterxml.jackson.datatype.jdk8.Jdk8Module", this.moduleClassLoader);
        objectMapper.registerModule(BeanUtils.instantiateClass(jdk8Module));
    } catch (ClassNotFoundException ex) {
        // jackson-datatype-jdk8 not available
    }

    try {
        Class<? extends Module> javaTimeModule = (Class<? extends Module>) ClassUtils
                .forName("com.fasterxml.jackson.datatype.jsr310.JavaTimeModule", this.moduleClassLoader);
        objectMapper.registerModule(BeanUtils.instantiateClass(javaTimeModule));
    } catch (ClassNotFoundException ex) {
        // jackson-datatype-jsr310 not available
    }

    // Joda-Time present?
    if (ClassUtils.isPresent("org.joda.time.LocalDate", this.moduleClassLoader)) {
        try {
            Class<? extends Module> jodaModule = (Class<? extends Module>) ClassUtils
                    .forName("com.fasterxml.jackson.datatype.joda.JodaModule", this.moduleClassLoader);
            objectMapper.registerModule(BeanUtils.instantiateClass(jodaModule));
        } catch (ClassNotFoundException ex) {
            // jackson-datatype-joda not available
        }
    }

    // Kotlin present?
    if (KotlinDetector.isKotlinPresent()) {
        try {
            Class<? extends Module> kotlinModule = (Class<? extends Module>) ClassUtils
                    .forName("com.fasterxml.jackson.module.kotlin.KotlinModule", this.moduleClassLoader);
            objectMapper.registerModule(BeanUtils.instantiateClass(kotlinModule));
        } catch (ClassNotFoundException ex) {
            logger.warn("For Jackson Kotlin classes support please add "
                    + "\"com.fasterxml.jackson.module:jackson-module-kotlin\" to the classpath");
        }
    }
}

---