com.antwerkz.critter.AnnotationHolder.kt Maven / Gradle / Ivy

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package com.antwerkz.critter

interface AnnotationHolder {
    val annotations: MutableList

    fun getValue(ann: Class, defaultValue: String): String {
        return annotations.firstOrNull { it.matches(ann) }
                ?.getValue() ?: defaultValue
    }

    fun hasAnnotation(aClass: Class): Boolean {
        return annotations.any { it.matches(aClass) }
    }
}

class CritterAnnotation(val name: String, val values: Map = mapOf()) {

    var klass: Class? = null

    init {
        if (name.contains(".")) {
            @Suppress("UNCHECKED_CAST")
            try {
                klass = Class.forName(name) as Class?
            } catch(ignored: ClassNotFoundException) {

            }
        }
    }

    fun matches(aClass: Class): Boolean {
        return aClass == klass || aClass.name == name
    }

    fun getValue(): String? {
        return values["value"] as String?
    }

}