From 235bb5b9fc7072531f19cc25c3b07258198d86ec Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Thu, 17 May 2018 22:39:28 +0300
Subject: ImagesService refactoring

---
 .../java/com/juick/server/util/ImageUtils.java     | 38 +++++++++++++++-------
 1 file changed, 27 insertions(+), 11 deletions(-)

(limited to 'juick-common/src/main/java/com/juick/server/util/ImageUtils.java')

diff --git a/juick-common/src/main/java/com/juick/server/util/ImageUtils.java b/juick-common/src/main/java/com/juick/server/util/ImageUtils.java
index 71dec381..cea4cc88 100644
--- a/juick-common/src/main/java/com/juick/server/util/ImageUtils.java
+++ b/juick-common/src/main/java/com/juick/server/util/ImageUtils.java
@@ -19,7 +19,6 @@
 package com.juick.server.util;
 
 import com.juick.Attachment;
-import org.apache.commons.imaging.ImageInfo;
 import org.apache.commons.imaging.ImageReadException;
 import org.apache.commons.imaging.Imaging;
 import org.apache.commons.imaging.common.ImageMetadata;
@@ -33,6 +32,9 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import javax.imageio.ImageIO;
+import javax.imageio.ImageReader;
+import javax.imageio.stream.FileImageInputStream;
+import javax.imageio.stream.ImageInputStream;
 import java.awt.image.BufferedImage;
 import java.io.File;
 import java.io.IOException;
@@ -40,6 +42,7 @@ import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.nio.file.StandardCopyOption;
+import java.util.Iterator;
 
 public class ImageUtils {
     private static final Logger logger = LoggerFactory.getLogger(ImageUtils.class);
@@ -144,19 +147,32 @@ public class ImageUtils {
         ImageIO.write(Scalr.resize(originalImage, 96), targetExt, Paths.get(imgDir, "a", targetName).toFile());
         ImageIO.write(Scalr.resize(originalImage, 32), targetExt, Paths.get(imgDir, "as", targetName).toFile());
     }
-
-    public Attachment getAttachment(File imageFile) throws IOException {
+    public Attachment getAttachment(File imgFile) throws IOException {
         Attachment attachment = new Attachment();
-        if (imageFile.exists()) {
+        int pos = imgFile.getName().lastIndexOf(".");
+        if (pos == -1)
+            throw new IOException("No extension for file: " + imgFile.getAbsolutePath());
+        String suffix = imgFile.getName().substring(pos + 1);
+        Iterator<ImageReader> iter = ImageIO.getImageReadersBySuffix(suffix);
+        while(iter.hasNext()) {
+            ImageReader reader = iter.next();
+            ImageInputStream stream = null;
             try {
-                ImageInfo info = Imaging.getImageInfo(imageFile);
-                attachment.setHeight(info.getHeight());
-                attachment.setWidth(info.getWidth());
-            } catch (ImageReadException e) {
-                logger.info("Can not read {}, moved to {}", imageFile.toPath(),
-                        Files.move(imageFile.toPath(), Paths.get(tmpDir, imageFile.getName()), StandardCopyOption.REPLACE_EXISTING));
+                stream = new FileImageInputStream(imgFile);
+                reader.setInput(stream);
+                attachment.setWidth(reader.getWidth(reader.getMinIndex()));
+                attachment.setHeight(reader.getHeight(reader.getMinIndex()));
+                return attachment;
+            } catch (IOException e) {
+                logger.warn("Error reading: " + imgFile.getAbsolutePath(), e);
+            } finally {
+                if (stream != null) {
+                    stream.close();
+                }
+                reader.dispose();
             }
         }
-        return attachment;
+
+        throw new IOException("Not a known image file: " + imgFile.getAbsolutePath());
     }
 }
\ No newline at end of file
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