copy « API « Java I/O Q&A

1. Copying a large stream to String - Java    stackoverflow.com

I am writing a StringOutputStream class in Java because I need the pre-Base64-encoded data from an OutputStream to go to a String. I need this as a String because I am ...

2. copy a stream via byte[]    stackoverflow.com

Hiho, i have to copy an inputstream. And after a bit of searching in the net, i tried this with the help of a bytearray. My code looks like this("is" is the ...

3. How to copy input/output streams of the Process to their System counterparts?    stackoverflow.com

This is a follow up to this question. The answer suggested there is

to copy the Process out, err, and input streams to the System versions

4. File.lastModified() painfully slow!    stackoverflow.com

I'm doing a recursive copy of files and like xcopy /D I only want to copy newer files destination files (I cannot use xcopy directly since I need to ...

5. What is the best way to make a copy of an InputStream in java    stackoverflow.com

Possible Duplicate:
How to make a deep copy of an InputStream in Java ?

6. Copying InputStreamReader    stackoverflow.com

Can somebody provide a source of

public class CopyingInputStreamReader extends InputStreamReader {
   public  CopyingInputStreamReader(InputStream is, OutputStream copyStream) {
  .....

7. PMD compliant stream copy in java    stackoverflow.com

I have a piece of code for stream copying.

OutputStream os = ...;
InputStream is = ...;
int bufferLength;
byte[] buffer = new byte[1024];
while ((bufferLength = is.read(buffer)) != -1) {
   os.write(buffer, 0, bufferLength);
}

8. copy file with stream    stackoverflow.com

The following example shows how to copy file using streams.

private void copyWithStreams(File aSourceFile, File aTargetFile, boolean aAppend) {
log("Copying files with streams.");
ensureTargetDirectoryExists(aTargetFile.getParentFile());
InputStream inStream = null;
OutputStream outStream = null;
try{
  try {
 ...

9. Question copying files using filechannel    bytes.com

10. copying files using fileReader, fileWriter    coderanch.com

public void copyfiles(String order_id) throws IOException { File inputFile = new File("C:/XML/xmlfile.xml"); File outputFile = new File("C:/XML/" + order_id + ".xml"); FileReader in = new FileReader(inputFile); FileWriter out = new FileWriter(outputFile); int c; while ((c = in.read() )!= -1) out.write(c); in.close(); out.close(); System.out.println("Renaming the XML FILE"); } I am copying files using this method. Input file is 10kb(356 lines) and output ...

11. copying files using fileReader, fileWriter    coderanch.com

public void copyfiles(String order_id) throws IOException { File inputFile = new File("C:/XML/xmlfile.xml"); File outputFile = new File("C:/XML/" + order_id + ".xml"); FileReader in = new FileReader(inputFile); FileWriter out = new FileWriter(outputFile); int c; while ((c = in.read() )!= -1) out.write(c); in.close(); out.close(); System.out.println("Renaming the XML FILE"); } I am copying files using this method. Input file is 10kb(356 lines) and output ...

12. Copying data into a file using inputstream    coderanch.com

Hi, My input files has data..where each line is of different length I am reading the file and copying the same into a different file. But the problem is that ..after all the lines are written..there are additional values written to the file... Pls check the program below... public class TestDload { public static void main(String[] args)throws Exception { InputStream fip= ...

13. How do i copy a input stream !    coderanch.com

One option would be to calculate the MD5 sum while reading the contents, but if that's not possible then you have no choice but to store the contents in memory. The easiest way is to use a ByteArrayOutputStream to write to. Afterwards, you get the byte[] back from it and wrap it in a ByteArrayInputStream.

14. Can you copy an PrintWriter Pointer?    forums.oracle.com

The default directory for the file my program outputs is C:\ but the user does have the option to change the directory, in which case outFile, a variable of type PrintWriter, is changed. The problem is that everything that was written before the change is now lost. Is there a way for me to keep the data? thanks, lateralus

15. Character Set while copying from one file to another using FileChannel    forums.oracle.com

I am copying one file into another. The original file is in UTF8. I am using FileChannel.transferFrom to copy the data. Do I have to explicitly specify the UTF8 encoding in order to properly transfer the symbols that don't belong to the extended ASCII table ( oriental charcters for example ) ?

16. copying os x application packages with fileoutputstream    forums.oracle.com

I'm creating a backup program written in Java, using fileoutputstream, and fileinputstream. When the program copies mac os x applications, the copy's executable file inside the package never gets copied as an executable. I have verified that the file is a direct byte by byte copy, but it still won't let me execute it. Anybody know how to check if a ...

17. Copy of InputStream    forums.oracle.com

18. How can i copy contents of java.io.InputStream to java.io.File Object ?????    forums.oracle.com

19. Copy files using checked input and output streams    forums.oracle.com

BTW the correct way to check a checksum is to append it to the stream at the writing end. At the reading end, the checksum of the total stream including the checksum should be zero (regardless of which polynomial, initial value, etc you are using). That way you are including the CRC bytes in the CRC calculation at the receiving end, ...