[FIX] #26 SpringBootCustomJackson

Author: heowc

Diff for: SpringBootCustomJackson/src/main/java/com/example/java/SpringBootCustomJacksonApplication.java

@@ -14,10 +14,6 @@ public static void main(String[] args) {
 
 		System.out.println("Let's inspect the beans provided by Spring Boot:");
 
-		String[] beanNames = ctx.getBeanDefinitionNames();
-		Arrays.sort(beanNames);
-		for (String beanName : beanNames) {
-			System.out.println(beanName);
-		}
+		Arrays.stream(ctx.getBeanDefinitionNames()).sorted().forEach(System.out::println);
 	}
 }

Diff for: SpringBootCustomJackson/src/main/kotlin/com/example/kotlin/SpringBootCustomJacksonApplication.kt

@@ -0,0 +1,17 @@
+package com.example.kotlin
+
+import org.springframework.boot.autoconfigure.SpringBootApplication
+import org.springframework.boot.runApplication
+import java.util.*
+
+@SpringBootApplication
+class SpringBootCustomJacksonApplication
+
+fun main(args: Array<String>) {
+
+    val context = runApplication<SpringBootCustomJacksonApplication>(*args)
+
+    println("Let's inspect the beans provided by Spring Boot:")
+
+    context.beanDefinitionNames.asList().sorted().forEach { println(it) }
+}

Diff for: SpringBootCustomJackson/src/main/kotlin/com/example/kotlin/component/EncodedJsonComponent.kt

@@ -0,0 +1,56 @@
+package com.example.kotlin.component
+
+import com.example.kotlin.domain.Model
+import com.fasterxml.jackson.core.JsonGenerator
+import com.fasterxml.jackson.core.JsonParser
+import com.fasterxml.jackson.databind.*
+import org.springframework.boot.jackson.JsonComponent
+import org.springframework.util.Base64Utils
+import java.io.IOException
+
+@JsonComponent
+class EncodedJsonComponent {
+
+    class DecyptDataDeserializer : JsonDeserializer<Model>() {
+
+        override fun handledType(): Class<*> {
+            return Model::class.java
+        }
+
+        @Throws(IOException::class)
+        override fun deserialize(p: JsonParser, ctxt: DeserializationContext): Model {
+            val codec = p.codec
+            val node = codec.readTree<JsonNode>(p)
+
+            val it = node.fieldNames()
+            while (it.hasNext()) {
+                val field = it.next()
+                println(field + ":" + node.get(field))
+            }
+
+            val name = String(Base64Utils.decodeFromString(node.get("name").asText()))
+            val type = node.get("type").asInt()
+            println("---------------------------------------------------")
+            return Model(name, type)
+        }
+    }
+
+    class EncyptDataSerializer : JsonSerializer<Model>() {
+
+        override fun handledType(): Class<Model> {
+            return Model::class.java
+        }
+
+        @Throws(IOException::class)
+        override fun serialize(value: Model, json: JsonGenerator,
+                               provider: SerializerProvider) {
+            json.writeStartObject()
+            json.writeFieldName("name")
+            json.writeString(Base64Utils.encodeToString(value.name.toByteArray()))
+            json.writeFieldName("type")
+            json.writeNumber(value.type)
+            json.writeEndObject()
+        }
+
+    }
+}

Diff for: SpringBootCustomJackson/src/main/kotlin/com/example/kotlin/domain/Model.kt

@@ -0,0 +1,3 @@
+package com.example.kotlin.domain
+
+data class Model(val name: String, val type: Int)

Diff for: SpringBootCustomJackson/src/main/kotlin/com/example/kotlin/web/BasicController.kt

@@ -0,0 +1,39 @@
+package com.example.kotlin.web
+
+import com.example.kotlin.domain.Model
+import org.slf4j.LoggerFactory
+import org.springframework.web.bind.annotation.GetMapping
+import org.springframework.web.bind.annotation.PostMapping
+import org.springframework.web.bind.annotation.RequestBody
+import org.springframework.web.bind.annotation.RestController
+import java.util.*
+
+@RestController
+class BasicController {
+
+    companion object {
+        private val logger = LoggerFactory.getLogger(BasicController::class.java)
+    }
+
+    @GetMapping("/se")
+    fun index(): List<Model> {
+        val list = ArrayList<Model>()
+        list.add(Model("abc", 1))
+        list.add(Model("def", 2))
+        list.add(Model("ghi", 3))
+        list.add(Model("jkl", 4))
+        list.add(Model("nmo", 5))
+        list.add(Model("pqr", 6))
+        list.add(Model("stu", 7))
+        list.add(Model("vwx", 8))
+        list.add(Model("yz", 9))
+
+        return list
+    }
+
+    @PostMapping("/de")
+    fun deIndex(@RequestBody deList: List<Model>): List<Model> {
+        logger.info(deList.toString())
+        return deList
+    }
+}