refactor(design): new packages for examples

design/src/main/kotlin/com/kotlinground/design/creationalpatterns/factory/parser/IntProperty.kt

@@ -0,0 +1,6 @@
+package com.kotlinground.design.creationalpatterns.factory.parser
+
+data class IntProperty(
+    override val name: String,
+    override val value: Int
+) : Property

design/src/main/kotlin/com/kotlinground/design/creationalpatterns/factory/parser/JsonParser.kt

@@ -0,0 +1,11 @@
+package com.kotlinground.design.creationalpatterns.factory.parser
+
+class JsonParser : Parser {
+    override fun property(prop: String): Property {
+        TODO("Not yet implemented")
+    }
+
+    override fun server(props: List<String>): ServerConfig {
+        TODO("Not yet implemented")
+    }
+}

design/src/main/kotlin/com/kotlinground/design/creationalpatterns/factory/parser/Parser.kt

@@ -0,0 +1,9 @@
+/**
+ * Demonstrates how to create abstract factory methods
+ */
+package com.kotlinground.design.creationalpatterns.factory.parser
+
+interface Parser {
+    fun property(prop: String): Property
+    fun server(props: List<String>): ServerConfig
+}

design/src/main/kotlin/com/kotlinground/design/creationalpatterns/factory/parser/Property.kt

@@ -0,0 +1,6 @@
+package com.kotlinground.design.creationalpatterns.factory.parser
+
+interface Property {
+    val name: String
+    val value: Any
+}

design/src/main/kotlin/com/kotlinground/design/creationalpatterns/factory/parser/ServerConfig.kt

@@ -0,0 +1,5 @@
+package com.kotlinground.design.creationalpatterns.factory.parser
+
+interface ServerConfig {
+    val properties: List<Property>
+}

design/src/main/kotlin/com/kotlinground/design/creationalpatterns/factory/parser/ServerConfigImpl.kt

@@ -0,0 +1,5 @@
+package com.kotlinground.design.creationalpatterns.factory.parser
+
+data class ServerConfigImpl(
+    override val properties: List<Property>
+) : ServerConfig

design/src/main/kotlin/com/kotlinground/design/creationalpatterns/factory/parser/StringProperty.kt

@@ -0,0 +1,6 @@
+package com.kotlinground.design.creationalpatterns.factory.parser
+
+data class StringProperty(
+    override val name: String,
+    override val value: String
+) : Property

design/src/main/kotlin/com/kotlinground/design/creationalpatterns/factory/parser/YamlParser.kt

@@ -0,0 +1,11 @@
+package com.kotlinground.design.creationalpatterns.factory.parser
+
+class YamlParser : Parser {
+    override fun property(prop: String): Property {
+        TODO("Not yet implemented")
+    }
+
+    override fun server(props: List<String>): ServerConfig {
+        TODO("Not yet implemented")
+    }
+}

design/src/main/kotlin/com/kotlinground/design/creationalpatterns/factory/parser/factory.kt

@@ -0,0 +1,11 @@
+package com.kotlinground.design.creationalpatterns.factory.parser
+
+fun property(prop: String): Property {
+    val (name, value) = prop.split(":")
+
+    return when (name) {
+        "port" -> IntProperty(name, value.trim().toInt())
+        "environment" -> StringProperty(name, value.trim())
+        else -> throw Exception("Unknown property $name")
+    }
+}

design/src/main/kotlin/com/kotlinground/design/creationalpatterns/factory/parser/main.kt

@@ -0,0 +1,6 @@
+package com.kotlinground.design.creationalpatterns.factory.parser
+
+fun main() {
+    val portProperty = property("port: 8080")
+    val environmentProperty = property("environment: production")
+}

design/src/main/kotlin/com/kotlinground/design/creationalpatterns/factory/server/Server.kt

@@ -0,0 +1,26 @@
+/**
+ * Demonstrates Static Factory method
+ */
+package com.kotlinground.design.creationalpatterns.factory.server
+
+class Server(private val port: Long) {
+    fun init() {
+        println("Server started on $port")
+    }
+
+    companion object {
+        fun withPort(port: Long): Server = Server(port)
+
+        fun withPort(port: String): Server {
+            return runCatching { port.toLong() }
+                .map { Server(it) }
+                .getOrThrow()
+        }
+    }
+}
+
+fun main() {
+    val server = Server.withPort(8080)
+    val server2 = Server.withPort("8081")
+    val server3 = Server(8082)
+}

design/src/main/kotlin/com/kotlinground/design/structuralpatterns/facade/server.kt

@@ -1,8 +1,8 @@
 package com.kotlinground.design.structuralpatterns.facade
 
-import com.kotlinground.design.creationalpatterns.factory.JsonParser
-import com.kotlinground.design.creationalpatterns.factory.Server
-import com.kotlinground.design.creationalpatterns.factory.YamlParser
+import com.kotlinground.design.creationalpatterns.factory.parser.JsonParser
+import com.kotlinground.design.creationalpatterns.factory.server.Server
+import com.kotlinground.design.creationalpatterns.factory.parser.YamlParser
 import java.lang.RuntimeException
 import kotlin.io.path.Path