refactor(post): change Blob for byte[]

Author: sergio11

src/main/java/controllers/admin/PostController.java

@@ -11,7 +11,6 @@
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Locale;
-import javax.sql.rowset.serial.SerialBlob;
 import javax.validation.Valid;
 import models.FileImage;
 import models.Post;
@@ -101,12 +100,13 @@ public String processPost(@RequestPart("postImage") MultipartFile postImage, @Mo
         if(errors.hasErrors()){
             return "admin/post/create";
         }
+        
         if(postImage != null){
             FileImage image = new FileImage();
             image.setName(postImage.getName());
             image.setContentType(postImage.getContentType());
             image.setSize(postImage.getSize());
-            image.setContent(new SerialBlob(postImage.getBytes()));
+            image.setContent(postImage.getBytes());
             post.setImage(image);
         }
         post.setAuthor(activeUser);

src/main/java/controllers/frontend/PostController.java

@@ -6,7 +6,6 @@
 package controllers.frontend;
 
 import exceptions.PostNotFoundException;
-import java.sql.Blob;
 import java.sql.SQLException;
 import models.FileImage;
 import org.slf4j.Logger;
@@ -50,14 +49,9 @@ public String show(@PathVariable Long postId, Model model){
     public ResponseEntity<byte[]> downloadPostImage(@PathVariable Long postId) throws SQLException {
         FileImage postImage = postService.getImageByPostId(postId);
         logger.info("Post Image Information: " + postImage.toString());
-        Blob blob = postImage.getContent();
-        int blobLength = (int) blob.length();  
-        byte[] blobAsBytes = blob.getBytes(1, blobLength);
-        //release the blob and free up memory. (since JDBC 4.0)
-        blob.free();
         return ResponseEntity.ok()
             .contentLength(postImage.getSize())
             .contentType(MediaType.parseMediaType(postImage.getContentType()))
-            .body(blobAsBytes);
+            .body(postImage.getContent());
     }
 }

src/main/java/models/FileImage.java

@@ -6,12 +6,12 @@
 package models;
 
 import java.io.Serializable;
-import java.sql.Blob;
 import javax.persistence.Column;
 import javax.persistence.Entity;
 import javax.persistence.GeneratedValue;
 import javax.persistence.GenerationType;
 import javax.persistence.Id;
+import javax.persistence.Lob;
 import javax.persistence.OneToOne;
 import javax.persistence.Table;
 
@@ -32,7 +32,8 @@ public class FileImage implements Serializable {
     @Column(nullable = true)
     private Long size;
     @Column(nullable = false)
-    private Blob content;
+    @Lob
+    private byte[] content;
     @OneToOne(mappedBy = "image")
     private Post post;
 
@@ -68,14 +69,13 @@ public void setSize(Long size) {
         this.size = size;
     }
 
-    public Blob getContent() {
+    public byte[] getContent() {
         return content;
     }
 
-    public void setContent(Blob content) {
+    public void setContent(byte[] content) {
         this.content = content;
     }
-
 
     public Post getPost() {
         return post;

src/main/webapp/WEB-INF/templates/admin/fragment/post.html

@@ -27,19 +27,20 @@
             </div>
             <div class="row control-group">
                 <div class="form-group col-xs-12">
-                    <label th:text="#{form.post.status}">Post status</label>
-                    <div class="radio col-xs-12">
-                        <label for="radio_published" th:text="#{form.post.published}">Published</label>
-                        <input th:field="*{published}" type="radio" id="radio_published" name="post_status" value="true" />
-                    </div>
-                    <div class="radio col-xs-12">
-                        <label for="radio_not_published" th:text="#{form.post.notpublished}">Not Published</label>
-                        <input th:field="*{published}" type="radio" id="radio_not_published" name="post_status" value="false" />
+                    <label class="col-md-2 control-label" th:text="#{form.post.status}">Post status</label>
+                    <div class="col-md-10">
+                        <div class="radio">
+                            <label for="radio_published" th:text="#{form.post.published}">Published</label>
+                            <input th:field="*{published}" type="radio" id="radio_published" name="post_status" value="true" />
+                        </div>
+                        <div class="radio">
+                            <label for="radio_not_published" th:text="#{form.post.notpublished}">Not Published</label>
+                            <input th:field="*{published}" type="radio" id="radio_not_published" name="post_status" value="false" />
+                        </div>
                     </div>
                 </div>
             </div>
             <div class="row control-group">
-                <legend th:text="#{form.post.image}">Post Image</legend>
                 <div class="form-group">
                     <label class="col-md-2 control-label" th:text="#{form.post.image.label}">Image</label>
                     <div class="col-md-10">