From 1387cbefc503a4c4486fa5e1a3af12d9d0cad00f Mon Sep 17 00:00:00 2001
From: Jesse Morgan <jesse@jesterpm.net>
Date: Thu, 13 Dec 2012 09:12:59 -0800
Subject: Began implementing S3UploadTask.

---
 .../podcastuploader/control/S3UploadTask.java      | 76 ++++++++++++++++++++++
 .../podcastuploader/control/UploadTask.java        | 27 ++++++--
 2 files changed, 97 insertions(+), 6 deletions(-)
 create mode 100644 src/net/jesterpm/podcastuploader/control/S3UploadTask.java

diff --git a/src/net/jesterpm/podcastuploader/control/S3UploadTask.java b/src/net/jesterpm/podcastuploader/control/S3UploadTask.java
new file mode 100644
index 0000000..b282c52
--- /dev/null
+++ b/src/net/jesterpm/podcastuploader/control/S3UploadTask.java
@@ -0,0 +1,76 @@
+/*
+ * Copyright 2012 Jesse Morgan
+ */
+
+package net.jesterpm.podcastuploader.control;
+
+import java.util.concurrent.ThreadPoolExecutor;
+
+import net.jesterpm.podcastuploader.config.Config;
+
+/**
+ * Task for uploading a single file to S3.
+ *
+ * @author Jesse Morgan <jesse@jesterpm.net>
+ */
+public class S3UploadTask extends ObserableTask implements Runable {
+    private final ThreadPoolExecutor mExecutor;
+
+    private final AmazonS3Client mClient;
+    
+    private final String mBucket;
+    private final String mLocalFile;
+    private final String mS3Key;
+
+    private int mCurrentChunk;
+    private int mTotalChunks; 
+
+    /**
+     * Prepare a new S3UploadTask.
+     *
+     * @param appConfig The current running appConfig.
+     * @param localFile The name of the local file to upload.
+     * @param remoteFile The key to use for the file in S3.
+     */
+    public S3UploadTask(final Config appConfig, final String localFile,
+           final String remoteFile, final ThreadPoolExecutor executor) {
+
+        mExecutor = executor;
+
+        mClient = new AmazonS3Client(new BasicAWSCredentials(
+                    appConfig.get("AWSAccessKeyId"), appConfig.get("AWSSecretKey")));
+
+        mBucket = appConfig.get("S3Bucket");
+        mLocalFile = localFile;
+        mS3Key = remoteFile;
+
+        mCurrentChunk = 0;
+        mTotalChunks = 1;  // Avoid div-by-0 in getProgress()
+    }
+
+    /**
+     * Start the upload.
+     */
+    @Override
+    public void run() {
+        // Create bucket if needed
+        createBucket();
+
+        // Start Upload
+    }
+
+    /**
+     * Create the S3 bucket if it doesn't already exist.
+     */
+    private void createBucket() {
+
+    }
+
+    /**
+     * @return The number of file parts uploaded over the total number of file parts.
+     */
+    @Override
+    public float getProgress() {
+        return (float) mCurrentChunk / mTotalChunks.
+    }
+}
diff --git a/src/net/jesterpm/podcastuploader/control/UploadTask.java b/src/net/jesterpm/podcastuploader/control/UploadTask.java
index 6268566..5c0b5ce 100644
--- a/src/net/jesterpm/podcastuploader/control/UploadTask.java
+++ b/src/net/jesterpm/podcastuploader/control/UploadTask.java
@@ -38,6 +38,11 @@ public class UploadTask {
      */
     private final Config mMetadata;
 
+    /**
+     * Thread Pool used for and by the UploadTasks.
+     */
+    private final ThreadPoolExecutor mExecutor;
+
     /**
      * UploadTask Constructor.
      * @param appconfig The application config
@@ -83,7 +88,12 @@ public class UploadTask {
 
         // Build a list of files to upload.
         Map<String, S3UploadTask> files = getFilesToUpload(baseFilename);
-        // TODO: Execute all the upload tasks (in parallel?)
+        for (S3UploadTask task : files.getEntries()) {
+            mExecutor.submit(task);
+            mProgressInterface.monitorTask(task);
+        }
+
+        // Wait until all uploads complete.
 
         // Publish the podcast metadata.
         Map<String, String> metadata = mMetadata.getMap().clone();
@@ -108,31 +118,36 @@ public class UploadTask {
         localFile = mMetadata.get("video");
         if (localFile != null) {
             remoteFile = basename + "-video" + fileExtension(localFile);
-            files.put("video", new S3UploadTask(mAppConfig, localFile, remoteFile);
+            files.put("video", new S3UploadTask(mAppConfig, localFile, 
+                        remoteFile, mExecutor);
         }
 
         localFile = mMetadata.get("video_lowres");
         if (localFile != null) {
             remoteFile = basename + "-videolow" + fileExtension(localFile);
-            files.put("video_lowres", new S3UploadTask(mAppConfig, localFile, remoteFile);
+            files.put("video_lowres", new S3UploadTask(mAppConfig, localFile,
+                    remoteFile, mExecutor);
         }
 
         localFile = mMetadata.get("audio");
         if (localFile != null) {
             remoteFile = basename + "-audio" + fileExtension(localFile);
-            files.put("audio", new S3UploadTask(mAppConfig, localFile, remoteFile);
+            files.put("audio", new S3UploadTask(mAppConfig, localFile,
+                    remoteFile, mExecutor);
         }
  
         localFile = mMetadata.get("image");
         if (localFile != null) {
             remoteFile = basename + "-image" + fileExtension(localFile);
-            files.add("image", new S3UploadTask(mAppConfig, localFile, remoteFile);
+            files.add("image", new S3UploadTask(mAppConfig, localFile, 
+                    remoteFile, mExecutor);
         }
 
         localFile = mMetadata.get("mobileimage");
         if (localFile != null) {
             remoteFile = basename + "-mobileimage" + fileExtension(localFile);
-            files.add("mobileimage", new S3UploadTask(mAppConfig, localFile, remoteFile);
+            files.add("mobileimage", new S3UploadTask(mAppConfig, localFile,
+                    remoteFile, mExecutor);
         }
 
         return files;
-- 
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