Added map parser and added more tests

src/main/kotlin/no/telenor/kt/env/MapEnv.kt

@@ -0,0 +1,9 @@
+package no.telenor.kt.env
+
+@Target(AnnotationTarget.TYPE)
+annotation class MapEnv(
+	/** Separates key and value */
+	val eq: String = "=",
+	/** Separates key1=value1 key2=value2 */
+	val separator: String = ";",
+)

src/main/kotlin/no/telenor/kt/env/parsers/ListParser.kt

@@ -12,7 +12,7 @@ class ListParser : Parser {
 		val separator = arrayEnvAnnot?.separator ?: ","
 		// val regex = arrayEnvAnnot?.regex ?: false
 
-		val itemType = type.arguments[0].type ?: throw Throwable("Could not detect array item type")
+		val itemType = type.arguments[0].type ?: throw Throwable("Could not detect list item type")
 		// val items = if (regex) value.split(Regex(separator)) else value.split(separator)
 		val items = value.split(separator)
 		val outputs = mutableListOf<Any?>()

src/main/kotlin/no/telenor/kt/env/parsers/MapParser.kt

@@ -0,0 +1,30 @@
+package no.telenor.kt.env.parsers
+
+import no.telenor.kt.env.MapEnv
+import no.telenor.kt.env.Parser
+import no.telenor.kt.env.parseValue
+import kotlin.reflect.KType
+
+class MapParser : Parser {
+	fun parseMap(type: KType, name: String, value: String): Map<Any?, Any?> {
+		val mapEnvAnnot: MapEnv? = type.annotations.find { it is MapEnv } as MapEnv?
+
+		val eq = arrayOf(mapEnvAnnot?.eq ?: "=")
+		val separator = mapEnvAnnot?.separator ?: ";"
+
+		val keyType = type.arguments[0].type ?: throw Throwable("Could not detect map key type")
+		val valueType = type.arguments[1].type ?: throw Throwable("Could not detect map value type")
+
+		val keyValuePairs = value.split(separator)
+		val outputs = mutableMapOf<Any?, Any?>()
+
+		for (n in keyValuePairs.indices) {
+			val arr = keyValuePairs[n].split(delimiters = eq, ignoreCase = false, limit = 2)
+			@Suppress("USELESS_ELVIS") val key = arr[0] ?: continue
+			@Suppress("USELESS_ELVIS") val str = arr[1] ?: ""
+			outputs[parseValue(keyType, "$name[$n#key]", key)] = parseValue(valueType, "$name[$key:$n#value]", str)
+		}
+
+		return outputs
+	}
+}

src/main/resources/META-INF/services/no.telenor.kt.env.Parser

@@ -4,3 +4,4 @@ no.telenor.kt.env.parsers.ListParser
 no.telenor.kt.env.parsers.NumberParser
 no.telenor.kt.env.parsers.RegexParser
 no.telenor.kt.env.parsers.StringParser
+no.telenor.kt.env.parsers.MapParser

src/test/kotlin/Tests.kt

@@ -3,6 +3,7 @@ import no.telenor.kt.env.EnvConstructor
 import no.telenor.kt.env.Environment
 import no.telenor.kt.env.EnvironmentSnapshot
 import no.telenor.kt.env.ListEnv
+import no.telenor.kt.env.MapEnv
 import no.telenor.kt.env.construct
 import kotlin.test.AfterTest
 import kotlin.test.BeforeTest
@@ -19,6 +20,8 @@ data class TestClass @EnvConstructor(prefix = "TEST_") constructor(
 	@Env val int: Int,
 	@Env val numbers: @ListEnv(separator = ";") List<@ListEnv(separator = ".") List<Int>>,
 	@Env val lol: Lol,
+	@Env val map1: Map<String, String>,
+	@Env val map2: @MapEnv(eq = ":", separator = ",") Map<String, String>,
 )
 
 class Tests {
@@ -43,11 +46,16 @@ class Tests {
 		Environment.set(
 			"TEST_INT" to "123",
 			"TEST_NUMBERS" to "1.2;3.4;5.6;7.8",
-			"TEST_LOL" to "Foo"
+			"TEST_LOL" to "Foo",
+			"TEST_MAP1" to "john=doe;foo=bar=baz",
+			"TEST_MAP2" to "john:doe,foo:bar:baz",
 		)
 		val derived = construct<TestClass>()
 		assertEquals(derived.int, 123)
 		assertEquals(derived.numbers, listOf(listOf(1, 2), listOf(3, 4), listOf(5, 6), listOf(7, 8)))
+		assertEquals(derived.lol, Lol.Foo)
+		assertEquals(derived.map1, mapOf("john" to "doe", "foo" to "bar=baz"))
+		assertEquals(derived.map2, mapOf("john" to "doe", "foo" to "bar:baz"))
 	}
 
 }