Merge branch 'FearlessKiwis-MAGETWO-28253-Downloadable-Integration-Api' into develop

Author: Yu Tang

app/code/Magento/Downloadable/Api/Data/LinkContentInterface.php

@@ -119,9 +119,24 @@ public function getLinkFile();
     public function setLinkFile($linkFile);
 
     /**
-     * Return URL or NULL when type is 'file'
+     * Return file content
      *
-     * @return string|null file URL
+     * @return \Magento\Downloadable\Api\Data\File\ContentInterface|null
+     */
+    public function getLinkFileContent();
+
+    /**
+     * Set file content
+     *
+     * @param \Magento\Downloadable\Api\Data\File\ContentInterface $linkFileContent
+     * @return $this
+     */
+    public function setLinkFileContent(\Magento\Downloadable\Api\Data\File\ContentInterface $linkFileContent = null);
+
+    /**
+     * Return link url or null when type is 'file'
+     *
+     * @return string|null
      */
     public function getLinkUrl();
 
@@ -159,6 +174,23 @@ public function getSampleFile();
      */
     public function setSampleFile($sampleFile);
 
+    /**
+     * Return sample file content when type is 'file'
+     *
+     * @return \Magento\Downloadable\Api\Data\File\ContentInterface|null relative file path
+     */
+    public function getSampleFileContent();
+
+    /**
+     * Set sample file content
+     *
+     * @param \Magento\Downloadable\Api\Data\File\ContentInterface $sampleFileContent
+     * @return $this
+     */
+    public function setSampleFileContent(
+        \Magento\Downloadable\Api\Data\File\ContentInterface $sampleFileContent = null
+    );
+
     /**
      * Return URL or NULL when type is 'file'
      *

app/code/Magento/Downloadable/Api/Data/LinkInterface.php

@@ -5,6 +5,8 @@
  */
 namespace Magento\Downloadable\Api\Data;
 
+use \Magento\Downloadable\Api\Data\File\ContentInterface;
+
 /**
  * @codeCoverageIgnore
  */
@@ -82,6 +84,21 @@ public function getSampleFile();
      */
     public function setSampleFile($sampleFile);
 
+    /**
+     * Retrieve sample file content
+     *
+     * @return \Magento\Downloadable\Api\Data\File\ContentInterface|null
+     */
+    public function getSampleFileContent();
+
+    /**
+     * Set sample file content
+     *
+     * @param \Magento\Downloadable\Api\Data\File\ContentInterface $sampleFileContent
+     * @return $this
+     */
+    public function setSampleFileContent(ContentInterface $sampleFileContent = null);
+
     /**
      * Return URL or NULL when type is 'file'
      *