// Send File
public void sendFile(String chunkName) throws IOException {
OutputStream os = null;
String currentDir = System.getProperty("user.dir");
chunkName = currentDir + "/src/srcFile/" + chunkName;
File myFile = new File(chunkName);
byte[] arrby = new byte[(int) myFile.length()];
try {
FileInputStream fis = new FileInputStream(myFile);
BufferedInputStream bis = new BufferedInputStream(fis);
bis.read(arrby, 0, arrby.length);
os = csocket.getOutputStream();
System.out.println("Sending File.");
os.write(arrby, 0, arrby.length);
os.flush();
System.out.println("File Sent.");
// os.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
// os.close();
}
}
public static String readFile(String filename) {
String s = "";
FileInputStream in = null;
// FileReader in = null;
try {
File file = new File(filename);
byte[] buffer = new byte[(int) file.length()];
// char[] buffer = new char[(int) file.length()];
in = new FileInputStream(file);
// in = new FileReader(file);
in.read(buffer);
s = new String(buffer);
in.close();
} catch (FileNotFoundException fnfx) {
System.err.println("File not found: " + fnfx);
} catch (IOException iox) {
System.err.println("I/O problems: " + iox);
} finally {
if (in != null) {
try {
in.close();
} catch (IOException ignore) {
// ignore
}
}
}
return s;
}
/**
* Check is text file.
*
* @param f file reference.
* @param emptyOk default value if empty file.
* @return Is text file.
*/
public static boolean textFile(File f, boolean emptyOk) {
if (f.length() == 0) return emptyOk;
String detected = VisorMimeTypes.getContentType(f);
for (String mime : TEXT_MIME_TYPE) if (mime.equals(detected)) return true;
return false;
}
/**
* Read block from file.
*
* @param file - File to read.
* @param off - Marker position in file to start read from if {@code -1} read last blockSz bytes.
* @param blockSz - Maximum number of chars to read.
* @param lastModified - File last modification time.
* @return Read file block.
* @throws IOException In case of error.
*/
public static VisorFileBlock readBlock(File file, long off, int blockSz, long lastModified)
throws IOException {
RandomAccessFile raf = null;
try {
long fSz = file.length();
long fLastModified = file.lastModified();
long pos = off >= 0 ? off : Math.max(fSz - blockSz, 0);
// Try read more that file length.
if (fLastModified == lastModified && fSz != 0 && pos >= fSz)
throw new IOException(
"Trying to read file block with wrong offset: " + pos + " while file size: " + fSz);
if (fSz == 0)
return new VisorFileBlock(file.getPath(), pos, fLastModified, 0, false, EMPTY_FILE_BUF);
else {
int toRead = Math.min(blockSz, (int) (fSz - pos));
byte[] buf = new byte[toRead];
raf = new RandomAccessFile(file, "r");
raf.seek(pos);
int cntRead = raf.read(buf, 0, toRead);
if (cntRead != toRead)
throw new IOException(
"Count of requested and actually read bytes does not match [cntRead="
+ cntRead
+ ", toRead="
+ toRead
+ ']');
boolean zipped = buf.length > 512;
return new VisorFileBlock(
file.getPath(), pos, fSz, fLastModified, zipped, zipped ? zipBytes(buf) : buf);
}
} finally {
U.close(raf, null);
}
}
/**
* Finds all files in folder and in it's sub-tree of specified depth.
*
* @param file Starting folder
* @param maxDepth Depth of the tree. If 1 - just look in the folder, no sub-folders.
* @param filter file filter.
* @return List of found files.
*/
public static List<VisorLogFile> fileTree(File file, int maxDepth, @Nullable FileFilter filter) {
if (file.isDirectory()) {
File[] files = (filter == null) ? file.listFiles() : file.listFiles(filter);
if (files == null) return Collections.emptyList();
List<VisorLogFile> res = new ArrayList<>(files.length);
for (File f : files) {
if (f.isFile() && f.length() > 0) res.add(new VisorLogFile(f));
else if (maxDepth > 1) res.addAll(fileTree(f, maxDepth - 1, filter));
}
return res;
}
return F.asList(new VisorLogFile(file));
}
private static String slowStreamCopy(String filename) {
String s = "";
FileReader in = null;
try {
File file = new File(filename);
int size = (int) file.length();
char[] buffer = new char[size];
in = new FileReader(file);
// int count = in.read(buffer, 0, size);
// if (count != -1)
int count;
while ((count = in.read(buffer, 0, size)) >= 0) {
s = new String(buffer, 0, count);
}
in.close();
}
/*
* String line; BufferedReader in = null; try { File file = new
* File(filename); int size = (int)file.length(); if (size > 0) {
* StringBuffer sb = new StringBuffer(size); in = new BufferedReader(new
* InputStreamReader(new FileInputStream(filename),"ISO-8859-1")); while
* ((line = in.readLine()) != null) { sb.append(line); } in.close(); s =
* sb.toString(); } }
*/
catch (FileNotFoundException fnfx) {
System.err.println("File not found: " + fnfx);
} catch (IOException iox) {
System.err.println("I/O problems: " + iox);
} finally {
if (in != null) {
try {
in.close();
} catch (IOException ignore) {
// ignore
}
}
}
return s;
}
public static void copyURL(String url, String filenameOut, int bufferSize) throws IOException {
File outFile = new File(filenameOut);
long start = System.currentTimeMillis();
String ok = IO.readURLtoFileWithExceptions(url, outFile, bufferSize);
double took = .001 * (System.currentTimeMillis() - start);
double len = (double) outFile.length() / (1000 * 1000);
double rate = len / took;
System.out.println(
" copyURL ("
+ url
+ ") took = "
+ took
+ " sec; len= "
+ len
+ " Mbytes; rate = "
+ Format.d(rate, 3)
+ "Mb/sec ok="
+ ok);
}
private void readFromFile(File file) throws IOException {
fis = new FileInputStream(file);
chan = fis.getChannel();
ByteBuffer buf = chan.map(FileChannel.MapMode.READ_ONLY, 0, (int) file.length());
readFromBuffer(buf);
}