Download Manager support Http code: 302

.gitignore

@@ -1,7 +1,7 @@
 .gradle
 /local.properties
-/.idea/workspace.xml
-/.idea/libraries
+.idea/
 .DS_Store
 /build
 /captures
+*.iml

library/src/main/java/com/aspsine/multithreaddownload/DownloadRequest.java

@@ -9,6 +9,8 @@
 public class DownloadRequest {
     private String mUri;
 
+    private String finalUri;
+
     private File mFolder;
 
     private CharSequence mName;
@@ -32,6 +34,14 @@ public String getUri() {
         return mUri;
     }
 
+    public String getFinalUri() {
+        return finalUri;
+    }
+
+    public void setFinalUri(String finalUri) {
+        this.finalUri = finalUri;
+    }
+
     public File getFolder() {
         return mFolder;
     }

library/src/main/java/com/aspsine/multithreaddownload/architecture/ConnectTask.java

@@ -1,7 +1,6 @@
 package com.aspsine.multithreaddownload.architecture;
 
 import com.aspsine.multithreaddownload.DownloadException;
-import com.aspsine.multithreaddownload.DownloadInfo;
 
 /**
  * Created by Aspsine on 2015/10/29.
@@ -11,7 +10,7 @@ public interface ConnectTask extends Runnable {
     interface OnConnectListener {
         void onConnecting();
 
-        void onConnected(long time, long length, boolean isAcceptRanges);
+        void onConnected(long time, long length, boolean isAcceptRanges, String finalUri);
 
         void onConnectPaused();
 

library/src/main/java/com/aspsine/multithreaddownload/core/ConnectTaskImpl.java

@@ -77,11 +77,15 @@ public void run() {
     }
 
     private void executeConnection() throws DownloadException {
+        executeConnection(mUri, 0);
+    }
+
+    private void executeConnection(String uri, int redirectCount) throws DownloadException {
         mStartTime = System.currentTimeMillis();
         HttpURLConnection httpConnection = null;
         final URL url;
         try {
-            url = new URL(mUri);
+            url = new URL(uri);
         } catch (MalformedURLException e) {
             throw new DownloadException(DownloadStatus.STATUS_FAILED, "Bad url.", e);
         }
@@ -93,9 +97,20 @@ private void executeConnection() throws DownloadException {
             httpConnection.setRequestProperty("Range", "bytes=" + 0 + "-");
             final int responseCode = httpConnection.getResponseCode();
             if (responseCode == HttpURLConnection.HTTP_OK) {
-                parseResponse(httpConnection, false);
+                parseResponse(httpConnection, false, uri);
             } else if (responseCode == HttpURLConnection.HTTP_PARTIAL) {
-                parseResponse(httpConnection, true);
+                parseResponse(httpConnection, true, uri);
+            } else if (responseCode == HttpURLConnection.HTTP_MOVED_TEMP) {
+                String location = httpConnection.getHeaderField("Location");
+                if (location == null) {
+                    throw new DownloadException(DownloadStatus.STATUS_FAILED, "response code:"
+                            + HttpURLConnection.HTTP_MOVED_TEMP + ", but Header Location is null");
+                } else if (redirectCount > 5) {
+                    throw new DownloadException(DownloadStatus.STATUS_FAILED, "response code:"
+                            + HttpURLConnection.HTTP_MOVED_TEMP + ",but Temporary Redirect is too many, redirectCount is" + redirectCount);
+                } else {
+                    executeConnection(location, ++redirectCount);
+                }
             } else {
                 throw new DownloadException(DownloadStatus.STATUS_FAILED, "UnSupported response code:" + responseCode);
             }
@@ -110,7 +125,7 @@ private void executeConnection() throws DownloadException {
         }
     }
 
-    private void parseResponse(HttpURLConnection httpConnection, boolean isAcceptRanges) throws DownloadException {
+    private void parseResponse(HttpURLConnection httpConnection, boolean isAcceptRanges, String finalUri) throws DownloadException {
 
         final long length;
         String contentLength = httpConnection.getHeaderField("Content-Length");
@@ -129,7 +144,7 @@ private void parseResponse(HttpURLConnection httpConnection, boolean isAcceptRan
         //Successful
         mStatus = DownloadStatus.STATUS_CONNECTED;
         final long timeDelta = System.currentTimeMillis() - mStartTime;
-        mOnConnectListener.onConnected(timeDelta, length, isAcceptRanges);
+        mOnConnectListener.onConnected(timeDelta, length, isAcceptRanges, finalUri);
     }
 
     private void checkCanceledOrPaused() throws DownloadException {

library/src/main/java/com/aspsine/multithreaddownload/core/DownloaderImpl.java

@@ -115,7 +115,7 @@ public void onConnecting() {
     }
 
     @Override
-    public void onConnected(long time, long length, boolean isAcceptRanges) {
+    public void onConnected(long time, long length, boolean isAcceptRanges, String finalUri) {
         if (mConnectTask.isCanceled()) {
             // despite connection is finished, the entire downloader is canceled
             onConnectCanceled();
@@ -125,6 +125,7 @@ public void onConnected(long time, long length, boolean isAcceptRanges) {
 
             mDownloadInfo.setAcceptRanges(isAcceptRanges);
             mDownloadInfo.setLength(length);
+            mRequest.setFinalUri(finalUri);
             download(length, isAcceptRanges);
         }
     }
@@ -258,7 +259,7 @@ private List<ThreadInfo> getMultiThreadInfos(long length) {
                 } else {
                     end = start + average - 1;
                 }
-                ThreadInfo threadInfo = new ThreadInfo(i, mTag, mRequest.getUri(), start, end, 0);
+                ThreadInfo threadInfo = new ThreadInfo(i, mTag, mRequest.getFinalUri(), start, end, 0);
                 threadInfos.add(threadInfo);
             }
         }
@@ -267,7 +268,7 @@ private List<ThreadInfo> getMultiThreadInfos(long length) {
 
     //TODO
     private ThreadInfo getSingleThreadInfo() {
-        ThreadInfo threadInfo = new ThreadInfo(0, mTag, mRequest.getUri(), 0);
+        ThreadInfo threadInfo = new ThreadInfo(0, mTag, mRequest.getFinalUri(), 0);
         return threadInfo;
     }