[FIX] #26 SpringBootCustomJackson

Author: heowc

SpringBootCustomJackson/build.gradle

@@ -1,30 +1,38 @@
-buildscript {
-	ext {
-		springBootVersion = '2.1.3.RELEASE'
-	}
-	repositories {
-		mavenCentral()
-	}
-	dependencies {
-		classpath("org.springframework.boot:spring-boot-gradle-plugin:${springBootVersion}")
-	}
+plugins {
+	id 'org.springframework.boot' version '2.1.3.RELEASE'
+	id 'org.jetbrains.kotlin.jvm' version '1.2.71'
+	id 'org.jetbrains.kotlin.plugin.spring' version '1.2.71'
 }
 
-apply plugin: 'java'
-apply plugin: 'eclipse'
-apply plugin: 'org.springframework.boot'
 apply plugin: 'io.spring.dependency-management'
 
 group = 'com.example'
 version = '0.0.1-SNAPSHOT'
-sourceCompatibility = 1.8
+sourceCompatibility = '1.8'
 
 repositories {
 	mavenCentral()
 }
 
 dependencies {
-	compile('org.springframework.boot:spring-boot-starter-web')
+	implementation 'org.springframework.boot:spring-boot-starter-web'
+	implementation 'com.fasterxml.jackson.module:jackson-module-kotlin'
+	implementation 'org.jetbrains.kotlin:kotlin-reflect'
+	implementation 'org.jetbrains.kotlin:kotlin-stdlib-jdk8'
+
+	testImplementation 'org.springframework.boot:spring-boot-starter-test'
+}
 
-	testCompile('org.springframework.boot:spring-boot-starter-test')
+compileKotlin {
+	kotlinOptions {
+		freeCompilerArgs = ['-Xjsr305=strict']
+		jvmTarget = '1.8'
+	}
+}
+
+compileTestKotlin {
+	kotlinOptions {
+		freeCompilerArgs = ['-Xjsr305=strict']
+		jvmTarget = '1.8'
+	}
 }

SpringBootCustomJackson/src/main/java/com/example/component/EncodedJsonComponent.java

@@ -1,4 +1,4 @@
-package com.example;
+package com.example.java;
 
 import java.util.Arrays;
 

SpringBootCustomJackson/src/main/java/com/example/SpringBootCustomJacksonApplication.java renamed to SpringBootCustomJackson/src/main/java/com/example/java/SpringBootCustomJacksonApplication.java

@@ -0,0 +1,62 @@
+package com.example.java.component;
+
+import com.example.java.domain.Model;
+import com.fasterxml.jackson.core.JsonGenerator;
+import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.core.ObjectCodec;
+import com.fasterxml.jackson.databind.*;
+import org.springframework.boot.jackson.JsonComponent;
+import org.springframework.util.Base64Utils;
+
+import java.io.IOException;
+import java.util.Iterator;
+
+@JsonComponent
+public class EncodedJsonComponent {
+
+    public static class DecyptDataDeserializer extends JsonDeserializer<Model> {
+
+        @Override
+        public Class<?> handledType() {
+            return Model.class;
+        }
+
+        @Override
+        public Model deserialize(JsonParser p, DeserializationContext ctxt)
+                throws IOException {
+            ObjectCodec codec = p.getCodec();
+            JsonNode node = codec.readTree(p);
+
+            Iterator<String> it = node.fieldNames();
+            while (it.hasNext()) {
+                String field = it.next();
+                System.out.println(field + ":" + node.get(field));
+            }
+
+            String name = new String(Base64Utils.decodeFromString(node.get("name").asText()));
+            int type = node.get("type").asInt();
+            System.out.println("---------------------------------------------------");
+            return new Model(name, type);
+        }
+    }
+
+    public static class EncyptDataSerializer extends JsonSerializer<Model> {
+
+        @Override
+        public Class<Model> handledType() {
+            return Model.class;
+        }
+
+        @Override
+        public void serialize(Model value, JsonGenerator json,
+                              SerializerProvider provider) throws IOException {
+            json.writeStartObject();
+            json.writeFieldName("name");
+            json.writeString(Base64Utils.encodeToString(value.getName().getBytes()));
+            json.writeFieldName("type");
+            json.writeNumber(value.getType());
+            json.writeEndObject();
+        }
+
+    }
+}

SpringBootCustomJackson/src/main/java/com/example/java/component/EncodedJsonComponent.java

@@ -1,4 +1,4 @@
-package com.example.domain;
+package com.example.java.domain;
 
 public class Model {
 

SpringBootCustomJackson/src/main/java/com/example/domain/Model.java renamed to SpringBootCustomJackson/src/main/java/com/example/java/domain/Model.java

@@ -1,6 +1,6 @@
-package com.example.web;
+package com.example.java.web;
 
-import com.example.domain.Model;
+import com.example.java.domain.Model;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.web.bind.annotation.GetMapping;