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Count appended files / output Stream JAVA

I have the following OutputStream which saves SQL receiving BLOB to a network drive. The boolean "true" affects that files which are already there dont get overwritten.
In conclusion, if there are 500 BLOB's in the buffer but 200 of them already saved to the network drive before, only 300 new files will be added.
Question: How could I count the new files?
I want to write a them to a logfile.
Thanks in advance!
OutputStream out = new FileOutputStream(path + "\\" + xy +".jpg", true);
byte[] buff = blob.getBytes(1, (int) blob.length());
out.write(buff);
out.close();

File from InputStream

Yes, this question has been asked a millions times, and I believe I've looked at them all. They are very "sometimesy", slow, or not what I need.
On one project, I use the following code to use the InputStream received from a GET to turn that into a PDF. This works PERFECTLY, every time, on my physical device and my emulator (Genymotion 2.1.1, Emulator API 18 4.3). Note that some things are edited out, and the PDFs are generally small, less than 1 MB.
public abstract class MyPDFFile extends File implements ApiModel{
public MyPDFFile(InputStream inputStream){
super(context.getExternalFilesDir(
Environment.DIRECTORY_DOWNLOADS), "my_pdf.pdf");
if (externalStorageIsWritable()) {
try {
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
FileOutputStream fileInputStream = new FileOutputStream(this);
BufferedWriter bufferedWriter = new BufferedWriter(new OutputStreamWriter(fileInputStream));
int readLine;
char[] cbuf = new char[1];
do {
readLine = bufferedReader.read(cbuf);
bufferedWriter.write(cbuf);
} while (readLine != -1);
bufferedWriter.close();
}
catch(IOException e){
// Didn't work
}
}
else{
// Cant write
}
}
I figured on this new project, I could use the same code to download an APK from the internet to the device. Nope, definitely not the case. I eventually tried this for Inputstream to File:
FileOutputStream fileOutputStream = new FileOutputStream(file);
byte[] buffer = new byte[1];
while ( (read(buffer)) > 0 ) {
fileOutputStream.write(buffer);
}
fileOutputStream.close();
close();
That works on my emulator, and works fine. I moved to testing on my device... not so much, which is weird, because the working PDF code works on both my emulator and device. I've tried adjusting the size of my buffer to various multiples of 512 (which results in the file being EXTREMELY small, like a few KB, to being EXTREMELY large, about double the apk size, which is about 5.6 MB).
Also, another weird thing: I can NEVER get it to successfully save outside of the constructor. When I do the saving there, the InputStream is fine, my file gets created, yadayada, and when I use successful code, I just rename the file afterwards since all I have access to in the constructor is the InputStream. If I decide "No, I want to name it when I have the proper things" and simply save the InputStream to my object, it NEVER works properly. Can never get above 4KB for the downloaded file. I've tried extends InputStream and extends BufferedInputStream to no avail.
I can post more code if needed. All I would have access to is the InputStream from my GET request; I'm using the browep Android HTTP library and that's all I can get without trying to mess with the library itself (or overriding methods in it).

The problem is that you're reading the file byte by byte. This can take ton of time. Instead, read the file in bigger piece of chunks, like 4 or 8 KBs:
int file_chunk_size = 1024 * 4; //4KBs, written like this to easily change it to 8
byte[] buffer = new byte[file_chunk_size];
int bytesRead = 0;
while ( (bytesRead = read(buffer)) > 0 ) {
fileOutputStream.write(buffer, 0, bytesRead);
}

Downloading a text file

I am trying to download a text file in Android, i know how to load image file, how different is text file downloading from it?
Moerover how to retrive contents from the downloaded file?

You are asking a few things, this should give you an idea of how to get a remote file using urlconnection and associated classes
URL u = new URL(url);
HttpURLConnection c = (HttpURLConnection) u.openConnection();
URLConnection conn = u.openConnection();
fs = conn.getContentLength();
c.setRequestMethod("GET");
c.setDoOutput(true);
c.connect();
String PATH_op = Environment.getExternalStorageDirectory()
+"//"+ filename;
f = new FileOutputStream(new File(PATH_op));
InputStream in = c.getInputStream();
byte[] buffer = new byte[1024];
int len1 = 0;
while ( (len1 = in.read(buffer)) > 0 ) {
f.write(buffer,0, len1);
completed += len1;
}
f.close();`enter code here`

There will be no difference in downloading the text file or image or XML. every thing is same. but the usage after getting the stream depends on the type of the content.
If its a Image we will decode the stream to convert it to an image.
If its a Text we need to read the content character by character until the whole content got read or got -1 as the character which denotes the end of the file.
When coming to the XML file file we will directly pass the input stream object to Parser.

java program download file is corrupt. Why?

I have created a java program that downloads a file from a URL part by part into several files, then reads the bytes from those files into the full downloaded object. It works by separating sections of the file to be downloaded into threads. Every time my program downloads a file it gets all of the bytes and the file size is correct, but sometimes with an image the picture is distorted. Other times the image is perfect. What would cause this?
code that individual threads use to download file parts:
URL xyz = new URL(urlStr);
URLConnection connection= xyz.openConnection();
// set the download range
connection.setRequestProperty("Range", "bytes="+fileOffset+"-");
connection.setDoInput(true);
connection.setDoOutput(true);
// set input stream and output stream
in = new BufferedInputStream(connection.getInputStream());
fos = new FileOutputStream("part_"+this.partNumber);
out = new BufferedOutputStream(fos, this.downloadFileSize);
// create buffer to read bytes from file into
byte[] contentBytes = new byte[downloadFileSize];
// read contents into buffer
in.read(contentBytes, 0, this.downloadFileSize);
out.write(contentBytes, 0, this.downloadFileSize);
code that puts file together:
int partSize=0;
//Create output stream
OutputStream saveAs = new FileOutputStream(fileName);
for(int i=0; i<filePieces;i++)
{
File file=new File("part_"+(i+1));
partSize=(int)file.length();
byte fileBuffer[]=new byte [partSize];
//Create input stream
InputStream is = new FileInputStream(file);
is.read(fileBuffer);
saveAs.write(fileBuffer);
is.close();
}

Without further details and sample code you're forcing any answers to be guesses. Here are mine:
You're using Readers and Writers when you should use Input- / OutputStreams.
You've messed up the synchronization somehow. Favour classes from the java.util.concurrent package over home grown synchronized solutions.

How to play .wav file from URL in web browser embed - Java

I want to play a .wav sound file in embed default media player in IE. Sound file is on some HTTP location. I am unable to sound it in that player.
Following is the code.
URL url = new URL("http://www.concidel.com/upload/myfile.wav");
URLConnection urlc = url.openConnection();
InputStream is = (InputStream)urlc.getInputStream();
fileBytes = new byte[is.available()];
while (is.read(fileBytes,0,fileBytes.length)!=-1){}
BufferedOutputStream out = new BufferedOutputStream(response.getOutputStream());
out.write(fileBytes);
Here is embed code of HTML.
<embed src="CallStatesTreeAction.do?ivrCallId=${requestScope.vo.callId}&agentId=${requestScope.vo.agentId}" type="application/x-mplayer2" autostart="0" playcount="1" style="width: 40%; height: 45" />
If I write in FileOutputStream then it plays well
If I replace my code of getting file from URL to my local hard disk. then it also works fine.
I don't know why I am unable to play file from HTTP. And why it plays well from local hard disk.
Please help.

Make sure you set the correct response type. IE is very picky in that regard.
[EDIT] Your copy loop is broken. Try this code:
URL url = new URL("http://www.concidel.com/upload/myfile.wav");
URLConnection urlc = url.openConnection();
InputStream is = (InputStream)urlc.getInputStream();
fileBytes = new byte[is.available()];
int len;
while ( (len = is.read(fileBytes,0,fileBytes.length)) !=-1){
response.getOutputStream.write(fileBytes, 0, len);
}
The problem with your code is: If the data isn't fetched in a single call to is.read(), it's not appended to fileBytes but instead the first bytes are overwritten.
Also, the output stream which you get from the response is already buffered.