Added image service to handle getting image data, converting image data, and special processing of image data. Also added some Logging mixin's to classes

pom.xml

@@ -75,6 +75,11 @@
       <artifactId>scala-library</artifactId>
       <version>${lib.scala-library.version}</version>
     </dependency>
+    <dependency>
+      <groupId>net.coobird</groupId>
+      <artifactId>thumbnailator</artifactId>
+      <version>[0.4, 0.5)</version>
+    </dependency>
   </dependencies>
 
   <build>

src/main/scala/com/sothr/imagetools/dto/ImageHashDTO.scala

@@ -6,4 +6,9 @@ class ImageHashDTO(val ahash:Long, val dhash:Long, val phash:Long) {
   def getDhash():Long = this.dhash
   def getPhash():Long = this.phash
 
+  override def toString():String = {
+    return s"""ahash: $ahash
+    dhash: $dhash
+    phash: $phash""".stripMargin
+  }
 }

src/main/scala/com/sothr/imagetools/hash/HashService.scala

@@ -1,12 +1,20 @@
 package com.sothr.imagetools.hash
 
+import grizzled.slf4j.Logging
 import com.sothr.imagetools.dto.ImageHashDTO
-import com.sothr.imagetools.image.Image
 import com.sothr.imagetools.util.{PropertiesEnum, PropertiesService}
 
-object HashService {
+/**
+ * A service that exposes the ability to construct perceptive hashes from an
+ * image which can be used to find a perceptual difference between two or more
+ * images
+ */
+object HashService extends Logging {
+
+  def getImageHashes(imagePath:String):ImageHashDTO = {
+    
+    debug(s"Creating hashes for $imagePath")
     
-  def getImageHashes(image:Image):ImageHashDTO = {
     var ahash:Long = 0L
     var dhash:Long = 0L
     var phash:Long = 0L
@@ -23,7 +31,11 @@ object HashService {
     if (PropertiesService.get(PropertiesEnum.UseAhash.toString) == "true") {
       phash = getPhash(imageData)
     }
-    return new ImageHashDTO(ahash, dhash, phash)
+    
+    val hashes = new ImageHashDTO(ahash, dhash, phash)
+    debug(s"Generated hashes: $hashes")
+    
+    return hashes
   }
 
   def getAhash(imageData:Array[Array[Int]]):Long = {

src/main/scala/com/sothr/imagetools/image/ImageService.scala

@@ -0,0 +1,14 @@
+package com.sothr.imagetools
+
+import grizzled.slf4j.Logging
+
+object ImageService extends Logging {
+  
+  /**
+   * Get the raw data for an image
+   */
+  def getImageData(path:String):Array[Array[Int]] = {
+    return null
+  }
+  
+}