add last latest.apk ;)

[pub/Android/ownCloud.git] / src / com / owncloud / android / operations / DownloadFileOperation.java

diff --git a/src/com/owncloud/android/operations/DownloadFileOperation.java b/src/com/owncloud/android/operations/DownloadFileOperation.java
index 02098b8..dff8aef 100644 (file)
--- a/src/com/owncloud/android/operations/DownloadFileOperation.java
+++ b/src/com/owncloud/android/operations/DownloadFileOperation.java
@@ -1,5 +1,9 @@
-/* ownCloud Android client application
- *   Copyright (C) 2012-2013 ownCloud Inc.
+/**
+ *   ownCloud Android client application
+ *
+ *   @author David A. Velasco
+ *   @author masensio
+ *   Copyright (C) 2015 ownCloud Inc.

  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License version 2,
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License version 2,


@@ -17,37 +21,27 @@
 
 package com.owncloud.android.operations;
 
 
 package com.owncloud.android.operations;
 

-import java.io.BufferedInputStream;

 import java.io.File;
 import java.io.File;

-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.util.Date;

 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.Set;
 import java.util.concurrent.atomic.AtomicBoolean;
 
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.Set;
 import java.util.concurrent.atomic.AtomicBoolean;
 

-import org.apache.commons.httpclient.Header;
-import org.apache.commons.httpclient.HttpException;
-import org.apache.commons.httpclient.methods.GetMethod;
-import org.apache.http.HttpStatus;
-
-import com.owncloud.android.Log_OC;

 import com.owncloud.android.datamodel.OCFile;
 import com.owncloud.android.datamodel.OCFile;

-import com.owncloud.android.operations.RemoteOperation;
-import com.owncloud.android.operations.RemoteOperationResult;
+import com.owncloud.android.lib.common.network.OnDatatransferProgressListener;
+import com.owncloud.android.lib.common.OwnCloudClient;
+import com.owncloud.android.lib.common.operations.OperationCancelledException;
+import com.owncloud.android.lib.common.operations.RemoteOperation;
+import com.owncloud.android.lib.common.operations.RemoteOperationResult;
+import com.owncloud.android.lib.common.utils.Log_OC;
+import com.owncloud.android.lib.resources.files.DownloadRemoteFileOperation;

 import com.owncloud.android.utils.FileStorageUtils;
 
 import com.owncloud.android.utils.FileStorageUtils;
 

-import eu.alefzero.webdav.OnDatatransferProgressListener;
-import eu.alefzero.webdav.WebdavClient;
-import eu.alefzero.webdav.WebdavUtils;

 import android.accounts.Account;
 import android.webkit.MimeTypeMap;
 
 /**
 import android.accounts.Account;
 import android.webkit.MimeTypeMap;
 
 /**

- * Remote operation performing the download of a file to an ownCloud server
- * 
- * @author David A. Velasco
+ * Remote mDownloadOperation performing the download of a file to an ownCloud server

  */
 public class DownloadFileOperation extends RemoteOperation {
     
  */
 public class DownloadFileOperation extends RemoteOperation {
     


@@ -56,19 +50,24 @@ public class DownloadFileOperation extends RemoteOperation {
     private Account mAccount;
     private OCFile mFile;
     private Set<OnDatatransferProgressListener> mDataTransferListeners = new HashSet<OnDatatransferProgressListener>();
     private Account mAccount;
     private OCFile mFile;
     private Set<OnDatatransferProgressListener> mDataTransferListeners = new HashSet<OnDatatransferProgressListener>();

-    private final AtomicBoolean mCancellationRequested = new AtomicBoolean(false);

     private long mModificationTimestamp = 0;
     private long mModificationTimestamp = 0;

-    private GetMethod mGet;
+    private String mEtag = "";
+    private final AtomicBoolean mCancellationRequested = new AtomicBoolean(false);
+    
+    private DownloadRemoteFileOperation mDownloadOperation;

 
     
     public DownloadFileOperation(Account account, OCFile file) {
         if (account == null)
 
     
     public DownloadFileOperation(Account account, OCFile file) {
         if (account == null)

-            throw new IllegalArgumentException("Illegal null account in DownloadFileOperation creation");
+            throw new IllegalArgumentException("Illegal null account in DownloadFileOperation " +
+                    "creation");

         if (file == null)
         if (file == null)

-            throw new IllegalArgumentException("Illegal null file in DownloadFileOperation creation");
+            throw new IllegalArgumentException("Illegal null file in DownloadFileOperation " +
+                    "creation");

         
         mAccount = account;
         mFile = file;
         
         mAccount = account;
         mFile = file;

+        

     }
 
 
     }
 
 


@@ -81,7 +80,7 @@ public class DownloadFileOperation extends RemoteOperation {
     }
 
     public String getSavePath() {
     }
 
     public String getSavePath() {

-        String path = mFile.getStoragePath();   // re-downloads should be done over the original file 
+        String path = mFile.getStoragePath();  // re-downloads should be done over the original file

         if (path != null && path.length() > 0) {
             return path;
         }
         if (path != null && path.length() > 0) {
             return path;
         }


@@ -92,6 +91,10 @@ public class DownloadFileOperation extends RemoteOperation {
         return FileStorageUtils.getTemporalPath(mAccount.name) + mFile.getRemotePath();
     }
     
         return FileStorageUtils.getTemporalPath(mAccount.name) + mFile.getRemotePath();
     }
     

+    public String getTmpFolder() {
+        return FileStorageUtils.getTemporalPath(mAccount.name);
+    }
+    

     public String getRemotePath() {
         return mFile.getRemotePath();
     }
     public String getRemotePath() {
         return mFile.getRemotePath();
     }


@@ -102,9 +105,11 @@ public class DownloadFileOperation extends RemoteOperation {
             try {
                 mimeType = MimeTypeMap.getSingleton()
                     .getMimeTypeFromExtension(
             try {
                 mimeType = MimeTypeMap.getSingleton()
                     .getMimeTypeFromExtension(

-                            mFile.getRemotePath().substring(mFile.getRemotePath().lastIndexOf('.') + 1));
+                            mFile.getRemotePath().substring(
+                                    mFile.getRemotePath().lastIndexOf('.') + 1));

             } catch (IndexOutOfBoundsException e) {
             } catch (IndexOutOfBoundsException e) {

-                Log_OC.e(TAG, "Trying to find out MIME type of a file without extension: " + mFile.getRemotePath());
+                Log_OC.e(TAG, "Trying to find out MIME type of a file without extension: " +
+                        mFile.getRemotePath());

             }
         }
         if (mimeType == null) {
             }
         }
         if (mimeType == null) {


@@ -118,118 +123,72 @@ public class DownloadFileOperation extends RemoteOperation {
     }
     
     public long getModificationTimestamp() {
     }
     
     public long getModificationTimestamp() {

-        return (mModificationTimestamp > 0) ? mModificationTimestamp : mFile.getModificationTimestamp();
+        return (mModificationTimestamp > 0) ? mModificationTimestamp :
+                mFile.getModificationTimestamp();

     }
     }

-    
-    
-    public void addDatatransferProgressListener (OnDatatransferProgressListener listener) {
-        synchronized (mDataTransferListeners) {
-            mDataTransferListeners.add(listener);
-        }
-    }
-    
-    public void removeDatatransferProgressListener(OnDatatransferProgressListener listener) {
-        synchronized (mDataTransferListeners) {
-            mDataTransferListeners.remove(listener);
-        }
+
+    public String getEtag() {
+        return mEtag;

     }
 
     @Override
     }
 
     @Override

-    protected RemoteOperationResult run(WebdavClient client) {
-        RemoteOperationResult result = null;
-        File newFile = null;
-        boolean moved = true;
+    protected RemoteOperationResult run(OwnCloudClient client) {
+        RemoteOperationResult result;
+        File newFile;
+        boolean moved;

         
         /// download will be performed to a temporal file, then moved to the final location
         File tmpFile = new File(getTmpPath());
         
         
         /// download will be performed to a temporal file, then moved to the final location
         File tmpFile = new File(getTmpPath());
         

+        String tmpFolder =  getTmpFolder();
+        

         /// perform the download
         /// perform the download

-        try {
-            tmpFile.getParentFile().mkdirs();
-            int status = downloadFile(client, tmpFile);
-            if (isSuccess(status)) {
-                newFile = new File(getSavePath());
-                newFile.getParentFile().mkdirs();
-                moved = tmpFile.renameTo(newFile);
+        synchronized(mCancellationRequested) {
+            if (mCancellationRequested.get()) {
+                return new RemoteOperationResult(new OperationCancelledException());

             }
             }

-            if (!moved)
-                result = new RemoteOperationResult(RemoteOperationResult.ResultCode.LOCAL_STORAGE_NOT_MOVED);
-            else
-                result = new RemoteOperationResult(isSuccess(status), status, (mGet != null ? mGet.getResponseHeaders() : null));
-            Log_OC.i(TAG, "Download of " + mFile.getRemotePath() + " to " + getSavePath() + ": " + result.getLogMessage());
-            
-        } catch (Exception e) {
-            result = new RemoteOperationResult(e);
-            Log_OC.e(TAG, "Download of " + mFile.getRemotePath() + " to " + getSavePath() + ": " + result.getLogMessage(), e);

         }
         
         }
         

-        return result;
-    }
-
-    
-    public boolean isSuccess(int status) {
-        return (status == HttpStatus.SC_OK);
-    }
-    
-    
-    protected int downloadFile(WebdavClient client, File targetFile) throws HttpException, IOException, OperationCancelledException {
-        int status = -1;
-        boolean savedFile = false;
-        mGet = new GetMethod(client.getBaseUri() + WebdavUtils.encodePath(mFile.getRemotePath()));
-        Iterator<OnDatatransferProgressListener> it = null;
+        mDownloadOperation = new DownloadRemoteFileOperation(mFile.getRemotePath(), tmpFolder);
+        Iterator<OnDatatransferProgressListener> listener = mDataTransferListeners.iterator();
+        while (listener.hasNext()) {
+            mDownloadOperation.addDatatransferProgressListener(listener.next());
+        }
+        result = mDownloadOperation.execute(client);

         
         

-        FileOutputStream fos = null;
-        try {
-            status = client.executeMethod(mGet);
-            if (isSuccess(status)) {
-                targetFile.createNewFile();
-                BufferedInputStream bis = new BufferedInputStream(mGet.getResponseBodyAsStream());
-                fos = new FileOutputStream(targetFile);
-                long transferred = 0;
-
-                byte[] bytes = new byte[4096];
-                int readResult = 0;
-                while ((readResult = bis.read(bytes)) != -1) {
-                    synchronized(mCancellationRequested) {
-                        if (mCancellationRequested.get()) {
-                            mGet.abort();
-                            throw new OperationCancelledException();
-                        }
-                    }
-                    fos.write(bytes, 0, readResult);
-                    transferred += readResult;
-                    synchronized (mDataTransferListeners) {
-                        it = mDataTransferListeners.iterator();
-                        while (it.hasNext()) {
-                            it.next().onTransferProgress(readResult, transferred, mFile.getFileLength(), targetFile.getName());
-                        }
-                    }
-                }
-                savedFile = true;
-                Header modificationTime = mGet.getResponseHeader("Last-Modified");
-                if (modificationTime != null) {
-                    Date d = WebdavUtils.parseResponseDate((String) modificationTime.getValue());
-                    mModificationTimestamp = (d != null) ? d.getTime() : 0;
-                }
-                
-            } else {
-                client.exhaustResponse(mGet.getResponseBodyAsStream());
-            }
-                
-        } finally {
-            if (fos != null) fos.close();
-            if (!savedFile && targetFile.exists()) {
-                targetFile.delete();
-            }
-            mGet.releaseConnection();    // let the connection available for other methods
+        if (result.isSuccess()) {
+            mModificationTimestamp = mDownloadOperation.getModificationTimestamp();
+            mEtag = mDownloadOperation.getEtag();
+            newFile = new File(getSavePath());
+            newFile.getParentFile().mkdirs();
+            moved = tmpFile.renameTo(newFile);
+            if (!moved)
+                result = new RemoteOperationResult(
+                        RemoteOperationResult.ResultCode.LOCAL_STORAGE_NOT_MOVED);

         }
         }

-        return status;
+        Log_OC.i(TAG, "Download of " + mFile.getRemotePath() + " to " + getSavePath() + ": " +
+                result.getLogMessage());
+        
+        return result;

     }
 
     }
 

-    

     public void cancel() {
         mCancellationRequested.set(true);   // atomic set; there is no need of synchronizing it
     public void cancel() {
         mCancellationRequested.set(true);   // atomic set; there is no need of synchronizing it

+        if (mDownloadOperation != null) {
+            mDownloadOperation.cancel();
+        }

     }
 
 
     }
 
 

+    public void addDatatransferProgressListener (OnDatatransferProgressListener listener) {
+        synchronized (mDataTransferListeners) {
+            mDataTransferListeners.add(listener);
+        }
+    }
+    
+    public void removeDatatransferProgressListener(OnDatatransferProgressListener listener) {
+        synchronized (mDataTransferListeners) {
+            mDataTransferListeners.remove(listener);
+        }
+    }

 }
 }