공통코드 추가정보 컬럼 특수문자 변환 serializer 로직 추가

src/main/java/com/kamco/cd/kamcoback/common/utils/html/HtmlEscapeDeserializer.java

@@ -0,0 +1,20 @@
+package com.kamco.cd.kamcoback.common.utils.html;
+
+import com.fasterxml.jackson.core.JacksonException;
+import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.JsonDeserializer;
+import java.io.IOException;
+import org.springframework.web.util.HtmlUtils;
+
+public class HtmlEscapeDeserializer extends JsonDeserializer<Object> {
+
+  @Override
+  public Object deserialize(JsonParser jsonParser, DeserializationContext deserializationContext)
+      throws IOException, JacksonException {
+    String value = jsonParser.getValueAsString();
+    System.out.println("🔥 HtmlEscapeDeserializer 실행됨: " + value);
+    System.out.println("convert : " + (value == null ? null : HtmlUtils.htmlEscape(value)));
+    return value == null ? null : HtmlUtils.htmlEscape(value);
+  }
+}

src/main/java/com/kamco/cd/kamcoback/common/utils/html/HtmlUnescapeSerializer.java

@@ -0,0 +1,20 @@
+package com.kamco.cd.kamcoback.common.utils.html;
+
+import com.fasterxml.jackson.core.JsonGenerator;
+import com.fasterxml.jackson.databind.JsonSerializer;
+import com.fasterxml.jackson.databind.SerializerProvider;
+import java.io.IOException;
+import org.springframework.web.util.HtmlUtils;
+
+public class HtmlUnescapeSerializer extends JsonSerializer<String> {
+  @Override
+  public void serialize(
+      String value, JsonGenerator jsonGenerator, SerializerProvider serializerProvider)
+      throws IOException {
+    if (value == null) {
+      jsonGenerator.writeNull();
+    } else {
+      jsonGenerator.writeString(HtmlUtils.htmlUnescape(value));
+    }
+  }
+}