我已经获得了互联网许可 当我尝试从url下载doc文件时得到 java.io.EOFException 在我的情况下,当我在浏览器doc中点击url成功下载到PC但在我的设备上无效。
class DownloadFileFromURL extends AsyncTask<String, String, String> {
/**
* Before starting background thread
* Show Progress Bar Dialog
*/
@SuppressWarnings("deprecation")
@Override
protected void onPreExecute() {
super.onPreExecute();
try {
pDialog = new ProgressDialog(getApplicationContext());
pDialog.setMessage("Downloading file. Please wait...");
pDialog.setCancelable(false);
pDialog.show();
} catch (Exception anfe) {
}
}
/**
* Downloading file in background thread
*/
@Override
protected String doInBackground(String... f_url) {
int count;
String downloadedPath = null;
try {
String urlStr = f_url[0];
String fileName = urlStr.substring(urlStr.lastIndexOf('/') + 1);
URL url1 = new URL(urlStr);
URI uri = new URI(url1.getProtocol(), url1.getUserInfo(), url1.getHost(), url1.getPort(), url1.getPath(), url1.getQuery(), url1.getRef());
url1 = uri.toURL();
String encodeUrl = url1.toString();
final String extension = android.webkit.MimeTypeMap.getFileExtensionFromUrl(urlStr);
File file = new File(Environment.getExternalStorageDirectory() + "/file/downloaded");
if (!file.exists()) {
file.mkdirs();
}
downloadedPath = file.getAbsolutePath() + "/" + md5String + "." + extension;
URL url = new URL(encodeUrl);
URLConnection conection = url.openConnection();
conection.setRequestProperty( "Accept-Encoding", "" );
conection.connect();
// getting file length
int lenghtOfFile = conection.getContentLength();
// input stream to read file - with 8k buffer
InputStream input = new BufferedInputStream(url.openStream(), 20000);
// Output stream to write file
OutputStream output = new FileOutputStream(downloadedPath);
byte data[] = new byte[1024];
long total = 0;
while ((count = input.read(data)) != -1) {
total += count;
// publishing the progress....
// After this onProgressUpdate will be called
publishProgress("" + (int) ((total * 100) / lenghtOfFile));
// writing data to file
output.write(data, 0, count);
}
// flushing output
output.flush();
// closing streams
output.close();
input.close();
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return downloadedPath;
}
/**
* Updating progress bar
*/
protected void onProgressUpdate(String... progress) {
// setting progress percentage
// pDialog.setProgress(Integer.parseInt(progress[0]));
}
/**
* After completing background task
* Dismiss the progress dialog
* *
*/
@Override
protected void onPostExecute(String file_url) {
// dismiss the dialog after the file was downloaded
try {
pDialog.dismiss();
// Displaying downloaded image into image view
// Reading image path from sdcard
if (file_url!=null){
openDocument(file_url);
}
} catch (Exception anfe) {
}
}
}
10-05 19:30:16.576:W / System.err(9074):java.io.EOFException 10-05 19:30:16.576:W / System.err(9074):at java.util.zip.GZIPInputStream.readFully(GZIPInputStream.java:202) 10-05 19:30:16.576:W / System.err(9074):at java.util.zip.GZIPInputStream。(GZIPInputStream.java:98)10-05 19:30:16.576:W / System.err(9074):at java.util.zip.GZIPInputStream。(GZIPInputStream.java:81)10-05 19:30:16.576:W / System.err(9074):at com.android.okhttp.internal.http.HttpEngine.initContentStream(HttpEngine.java:468) 10-05 19:30:16.576:W / System.err(9074):at com.android.okhttp.internal.http.HttpEngine.readResponse(HttpEngine.java:666) 10-05 19:30:16.576:W / System.err(9074):at com.android.okhttp.internal.http.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:347) 10-05 19:30:16.576:W / System.err(9074):at com.android.okhttp.internal.http.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:296) 10-05 19:30:16.576:W / System.err(9074):at com.android.okhttp.internal.http.HttpURLConnectionImpl.getInputStream(HttpURLConnectionImpl.java:179) 10-05 19:30:16.576:W / System.err(9074):at java.net.URL.openStream(URL.java:470)10-05 19:30:16.576: W / System.err(9074):at demo.openfile.MainActivity $ DownloadFileFromURL.doInBackground(MainActivity.java:129) 10-05 19:30:16.576:W / System.err(9074):at demo.openfile.MainActivity $ DownloadFileFromURL.doInBackground(MainActivity.java:1) 10-05 19:30:16.576:W / System.err(9074):at android.os.AsyncTask $ 2.call(AsyncTask.java:288)10-05 19:30:16.576: W / System.err(9074):at java.util.concurrent.FutureTask.run(FutureTask.java:237)10-05 19:30:16.576:W / System.err(9074):at android.os.AsyncTask $ SerialExecutor $ 1.run(AsyncTask.java:231)10-05 19:30:16.576:W / System.err(9074):at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112) 10-05 19:30:16.576:W / System.err(9074):at java.util.concurrent.ThreadPoolExecutor中的$ Worker.run(ThreadPoolExecutor.java:587) 10-05 19:30:16.576:W / System.err(9074):at java.lang.Thread.run(Thread.java:841)