feat: Blob 파일 DB 저장 예제

mens-api/src/main/java/kr/xit/core/spring/util/BlobInsert.java

@@ -2,7 +2,6 @@ package kr.xit.core.spring.util;
 
 import java.io.File;
 import java.io.FileInputStream;
-import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
 import java.sql.Connection;
@@ -47,12 +46,16 @@ public class BlobInsert {
                              """;
                 int idx = 1;
                 PreparedStatement statement = conn.prepareStatement(sql);
+
                 File file = new File(filePath);
-                if(file.exists()) {
+                if(!file.exists()) {
-                    BizRuntimeException.create(String.join(StringUtils.EMPTY, filePath, " 파일이 존재하지 않습니다."));
+                    throw BizRuntimeException.create(String.join(StringUtils.EMPTY, filePath, " 파일이 존재하지 않습니다."));
+                }
+                double size = Math.ceil(file.length()/1024.0 * 10)/10;
+                if(size > 300.0){
+                    throw BizRuntimeException.create(String.format("파일 크기 %s[템플릿 파일 크기는 300kb를 넘을 수 없습니다]", String.valueOf(size)));
                 }
-                System.out.println(file.getName());
+
-                System.out.println(file.getCanonicalPath());
                 try (InputStream inputStream = new FileInputStream(file)) {
 
                     statement.setBlob(idx++, inputStream);
@@ -61,18 +64,16 @@ public class BlobInsert {
                     statement.setString(idx++, "ME111");
 
                     int row = statement.executeUpdate();
-                    if (row > 0) {
+
-                        System.out.println("A contact was inserted with photo image.");
-                    }
                     conn.commit();
-                }catch (FileNotFoundException fe){
+
-                    fe.printStackTrace();
+                }catch (IOException e) {
+                    throw BizRuntimeException.create(e.getMessage());
                 }
             }
         } catch (SQLException ex) {
-            ex.printStackTrace();
+            throw BizRuntimeException.create(ex.getMessage());
-        } catch (IOException ex) {
+
-            ex.printStackTrace();
         }
     }
 }