outputstream Questions

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I have a Java tool with the following code: Runtime rt = Runtime.getRuntime(); Process proc = rt.exec(cmd); // any error message? StreamGobblerLocal errorGobbler = new StreamGobblerLocal(proc.get...
Albuquerque asked 17/2, 2015 at 17:50

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I'm struggling to output an Image from byte[] out of my database in NancyFX to a web output stream. I don't have sample code close enough to even show at this point. I was wondering if anyone has t...
Cheatham asked 23/1, 2013 at 6:10

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I am writing a piece of code: OutputStream outputStream = new FileOutputStream(createdFile); GZIPOutputStream gzipOutputStream = new GZIPOutputStream(outputStream); BufferedWriter bw = new Buffere...
Enrage asked 2/2, 2015 at 11:10

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I have an app that needs to read and write to a text file. I have it reading, but I don't have it writing. The idea is that when I click the save button on the screen, its going to save all the inf...
Manned asked 8/12, 2012 at 16:13

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I want to send more than one random value though Socket. I think array is the best way to send them. But I don't know how to write an array to Socket OutputStream? My Java class: import java.io.B...
Manned asked 21/12, 2012 at 4:9

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I am trying to convert an OutputStream to a ByteArrayOutput Stream. I was unable to find any clear simple answers on how to do this. This question was asked in the title of the question on StackOve...
Toscanini asked 16/11, 2014 at 19:17

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Why is it necessary to close() java.io.InputStream or its subclasses? Now with java.io.OutputStream, say FileOutputStream, after writing to a file, if we don't close() the output stream, the data t...
Fong asked 24/10, 2014 at 4:31

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I'm trying to write a function which splits a pdf into separate pages. From this SO answer. I copied a simple function which splits a pdf into separate pages: def splitPdf(file_): pdf = PdfFileRe...
Ambrogino asked 23/10, 2014 at 13:31

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I have a web interface which is used to download a file. When the request comes in, my glassfish server streams the file from a web service and then writes the content to the outputstream. My code ...
Babbage asked 5/9, 2014 at 16:1

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I can't find anything in the Swift book about io. Is there any generic protocol similar to Java's OutputStream or Go's Writer interface for writing a stream of bytes? If you are writing a class tha...
Sherly asked 12/6, 2014 at 12:28

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I implemented a WebRequest class for my basic GET and POST requests to URLConnections. One of the features is submitting files - Now I'd like to calculate and display the progress of the uploading...
Grogan asked 25/3, 2014 at 8:19

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I know that writers should be used instead of outputstreams when writing text, but still I don't understand why there are extra characters in the file outputStream.txt after running this program: ...
Claptrap asked 13/3, 2014 at 11:12

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I am working on a drawing part, and have written the following code to save the image to the designated camera folder. However, I would rather like to create a new folder using the app name and sav...
Caylor asked 16/1, 2013 at 17:39

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I read somewhere which has left me unsure and looking for an alternative way. Does calling reset() too frequently cause strain on the network, or unnecessary for this? I'm sending an object using ...
Chemar asked 8/3, 2014 at 3:9

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I am trying to set up a minecraft server, for fun, and want to add a control panel to make managing it easier. Part of this control panel is to run the server FROM the panel to reduce miss-clicking...
Gorham asked 15/1, 2014 at 16:43

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By 'output steam' i mean any object which receives a sequence of bytes, or characters or whatever. So, java.io.OutputStream, but also java.io.Writer, javax.xml.stream.XMLStreamWriter's writeCharact...
Rodriques asked 18/6, 2011 at 0:0

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I'm writing an application which involves writing considerably big chunks of data to an OutputStream (belonging to a Socket). The thing that makes this a bit complicated is that there are usually m...
Nonunion asked 13/11, 2012 at 5:5

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I have a CipherOutputStream backed by another OutputStream. After I have finished writing all the data I need encrypted to the CipherOutputStream, I need to append some unencrypted data. The docum...
Talkathon asked 27/3, 2011 at 12:7

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I am working in a legacy java application, In many files, socket and streams are used, where sockets are getting closed but not the streams, is this necessary to close all the streams before closi...
Title asked 18/7, 2013 at 13:46

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What is practical usage of FilterOutputStream in Java? From javadocs: This class is the superclass of all classes that filter output streams. These streams sit on top of an already existing out...
Suisse asked 10/7, 2013 at 6:17

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In Java does it matter whether I instantiate a ZipOutputStream first, or the BufferedOutputStream first? Example: FileOutputStream dest = new FileOutputStream(file); ZipOutputStream zip = new ZipO...
Rakehell asked 22/1, 2013 at 15:43

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When we need close an output stream, we have two choices. closeQuietly means close a stream with no exception throwing up. try { close(out) } catch(IOException e) { } close try { close(out)...
Warn asked 4/6, 2013 at 10:21

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I need to read a pdf file with filepath "C:\file.pdf" and write it to outputStream. What is the easiest way to do that? @Controller public class ExportTlocrt { @Autowired private PhoneBookS...
Fourteen asked 3/6, 2013 at 7:20

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What I'm trying to do: I'm trying to write a program that reads audio from the android microphone (without recording) and captures some measure of how loud it is using a service. For now I'm sendi...
Balsaminaceous asked 27/5, 2013 at 1:33

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I want to write to a socket. From reading about network IO, it seems to me that the optimal way to write to it is to do something like this: OutputStream outs=null; BufferedWriter out=null; out = ...
Spineless asked 3/4, 2013 at 22:12

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