X-Git-Url: http://git.linex4red.de/pub/Android/ownCloud.git/blobdiff_plain/42fde39ff1694bd618729c07a615bbb410072d82..b064bd45916f17bf1ae0fc43e2c23a2f1fb8d925:/src/com/owncloud/android/utils/CopyTmpFileAsyncTask.java

diff --git a/src/com/owncloud/android/utils/CopyTmpFileAsyncTask.java b/src/com/owncloud/android/utils/CopyTmpFileAsyncTask.java
new file mode 100644
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+++ b/src/com/owncloud/android/utils/CopyTmpFileAsyncTask.java
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+/**
+ *   ownCloud Android client application
+ *
+ *   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,
+ *   as published by the Free Software Foundation.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+package com.owncloud.android.utils;
+
+import android.app.Activity;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.net.Uri;
+import android.os.AsyncTask;
+
+import com.owncloud.android.lib.common.utils.Log_OC;
+import com.owncloud.android.ui.activity.FileActivity;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.InputStream;
+import java.lang.ref.WeakReference;
+
+/**
+ * AsyncTask to copy a file from a uri in a temporal file
+ */
+public class CopyTmpFileAsyncTask  extends AsyncTask<Object, Void, String> {
+
+    private final String TAG = CopyTmpFileAsyncTask.class.getSimpleName();
+    private final WeakReference<OnCopyTmpFileTaskListener> mListener;
+    private String mAccountName;
+    private ContentResolver mContentResolver;
+
+    public CopyTmpFileAsyncTask(Activity activity) {
+        mContentResolver = ((FileActivity) activity).getContentResolver();
+        mAccountName = ((FileActivity) activity).getAccount().name;
+        mListener = new WeakReference<OnCopyTmpFileTaskListener>((OnCopyTmpFileTaskListener)activity);
+    }
+
+    @Override
+    protected String doInBackground(Object[] params) {
+        String result = null;
+
+        if (params.length == 2) {
+            Uri uri = (Uri) params[0];
+            String filePath = (String) params[1];
+
+            String fullTempPath = FileStorageUtils.getTemporalPath(mAccountName) + filePath;
+            InputStream inputStream = null;
+            FileOutputStream outputStream = null;
+
+            try {
+                inputStream = mContentResolver.openInputStream(uri);
+                File cacheFile = new File(fullTempPath);
+                File tempDir = cacheFile.getParentFile();
+                if (!tempDir.exists()) {
+                    tempDir.mkdirs();
+                }
+                cacheFile.createNewFile();
+                outputStream = new FileOutputStream(fullTempPath);
+                byte[] buffer = new byte[4096];
+
+                int count = 0;
+
+                while ((count = inputStream.read(buffer)) > 0) {
+                    outputStream.write(buffer, 0, count);
+                }
+
+                outputStream.close();
+                inputStream.close();
+
+                result = fullTempPath;
+            } catch (Exception e) {
+                 Log_OC.e(TAG, "Exception ", e);
+                if (inputStream != null) {
+                    try {
+                        inputStream.close();
+                    } catch (Exception e1) {
+                        Log_OC.e(TAG, "Input Stream Exception ", e1);
+                    }
+                }
+
+                if (outputStream != null) {
+                    try {
+                        outputStream.close();
+                    } catch (Exception e1) {
+                        Log_OC.e(TAG, "Output Stream Exception ", e1);
+                    }
+                }
+
+                if (fullTempPath != null) {
+                    File f = new File(fullTempPath);
+                    f.delete();
+                }
+                result =  null;
+            }
+        } else {
+            Log_OC.e(TAG, "Error in parameters number");
+        }
+
+        return result;
+    }
+
+    @Override
+    protected void onPostExecute(String result) {
+
+        OnCopyTmpFileTaskListener listener = mListener.get();
+        if (listener!= null)
+        {
+            listener.OnCopyTmpFileTaskListener(result);
+        }
+    }
+
+    /*
+     * Interface to retrieve data from recognition task
+     */
+    public interface OnCopyTmpFileTaskListener{
+
+        void OnCopyTmpFileTaskListener(String result);
+    }
+}