refac: S3이미지 코드 리팩토링

linknamu/src/main/java/com/kakao/linknamu/core/util/S3ImageClient.java

@@ -4,7 +4,6 @@
 import com.amazonaws.services.s3.model.ObjectMetadata;
 import com.amazonaws.services.s3.model.PutObjectRequest;
 import com.kakao.linknamu.core.exception.Exception400;
-import com.kakao.linknamu.thirdparty.utils.JsoupUtils;
 import lombok.RequiredArgsConstructor;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
@@ -28,7 +27,6 @@ public class S3ImageClient {
 	private final JsoupUtils jsoupUtils;
 
 	public String base64ImageToS3(String base64Data) {
-
 		try {
 			byte[] byteImage = java.util.Base64.getDecoder().decode(base64Data);
 
@@ -45,7 +43,7 @@ public String base64ImageToS3(String base64Data) {
 			return amazonS3Client.getUrl(bucket, fileName).toString();
 		} catch (IllegalArgumentException e) {
 			//base64로 인코딩된 이미지파일이 아닐경우, 이미지Url인지 확인
-			if (getValidImageUrl(base64Data)) {
+			if (isValidImageUrl(base64Data)) {
 				return base64Data;
 			}
 			throw new Exception400(UtilExceptionStatus.NOT_BASE64_DATA);
@@ -61,12 +59,9 @@ public String base64ImageToS3(String base64Data, String bookmarkLink) {
 	}
 
 	private ByteArrayInputStream getValidImageInputStream(byte[] byteImage) {
-
-
 		ByteArrayInputStream imageInputStream = new ByteArrayInputStream(byteImage);
 
 		try {
-
 			BufferedImage image = ImageIO.read(imageInputStream);
 
 			// image인지 체크하는 로직
@@ -82,11 +77,8 @@ private ByteArrayInputStream getValidImageInputStream(byte[] byteImage) {
 	}
 
 
-	private Boolean getValidImageUrl(String imgUrlString) {
-
-
+	private Boolean isValidImageUrl(String imgUrlString) {
 		try {
-
 			URL imgUrl = new URL(imgUrlString);
 			BufferedImage image = ImageIO.read(imgUrl);