List of usage examples for java.io ByteArrayOutputStream ByteArrayOutputStream
public ByteArrayOutputStream(int size)
From source file:MainClass.java
public static void main(String args[]) throws Exception { ByteArrayOutputStream f = new ByteArrayOutputStream(12); System.out.println("Please 10 characters and a return"); while (f.size() != 10) { f.write(System.in.read()); }//from w w w . j a va 2s .c o m System.out.println("Buffer as a string"); System.out.println(f.toString()); System.out.println("Into array"); byte b[] = f.toByteArray(); for (int i = 0; i < b.length; i++) { System.out.print((char) b[i]); } System.out.println(); OutputStream f2 = new FileOutputStream("test.txt"); f.writeTo(f2); f.reset(); System.out.println("10 characters and a return"); while (f.size() != 10) { f.write(System.in.read()); } System.out.println("Done.."); }
From source file:Main.java
public static void main(String args[]) throws IOException { int howMany = 20; ByteArrayOutputStream bout = new ByteArrayOutputStream(howMany * 4); DataOutputStream dout = new DataOutputStream(bout); for (int i = 0; i <= 20; i++) { dout.writeInt(i);//from w ww. j a v a 2 s . c o m } FileOutputStream fout = new FileOutputStream("fibonacci.dat"); try { bout.writeTo(fout); fout.flush(); } finally { fout.close(); } }
From source file:Main.java
public static void main(String[] argv) throws Exception { byte[] compressedData = null; Inflater decompressor = new Inflater(); decompressor.setInput(compressedData); ByteArrayOutputStream bos = new ByteArrayOutputStream(compressedData.length); byte[] buf = new byte[1024]; while (!decompressor.finished()) { int count = decompressor.inflate(buf); bos.write(buf, 0, count);//from w w w . j a v a2 s. c om } bos.close(); byte[] decompressedData = bos.toByteArray(); }
From source file:Main.java
public static void main(String args[]) throws IOException { int howMany = 20; // To avoid resizing the buffer, calculate the size of the // byte array in advance. ByteArrayOutputStream bout = new ByteArrayOutputStream(howMany * 4); DataOutputStream dout = new DataOutputStream(bout); for (int i = 0; i <= 20; i++) { dout.writeInt(i);//from w w w . j av a2 s . co m } FileOutputStream fout = new FileOutputStream("fibonacci.dat"); try { bout.writeTo(fout); fout.flush(); } finally { fout.close(); } }
From source file:MainClass.java
public static void main(String args[]) throws IOException { int howMany = 20; // To avoid resizing the buffer, calculate the size of the // byte array in advance. ByteArrayOutputStream bout = new ByteArrayOutputStream(howMany * 4); DataOutputStream dout = new DataOutputStream(bout); for (int i = 0; i <= 20; i++) { dout.writeInt(i);/*from ww w.j av a 2 s . c om*/ } FileOutputStream fout = new FileOutputStream("fibonacci.dat"); try { bout.writeTo(fout); fout.flush(); } finally { fout.close(); } }
From source file:Main.java
License:asdf
public static void main(String[] argv) throws Exception { byte[] input = "asdf".getBytes(); Deflater compressor = new Deflater(); compressor.setLevel(Deflater.BEST_COMPRESSION); compressor.setInput(input);//from www .j ava 2 s . co m compressor.finish(); ByteArrayOutputStream bos = new ByteArrayOutputStream(input.length); byte[] buf = new byte[1024]; while (!compressor.finished()) { int count = compressor.deflate(buf); bos.write(buf, 0, count); } bos.close(); byte[] compressedData = bos.toByteArray(); }
From source file:Main.java
public static void main(String[] argv) throws Exception { byte[] input = "www.java2s.com".getBytes(); Deflater compressor = new Deflater(); compressor.setLevel(Deflater.BEST_COMPRESSION); compressor.setInput(input);/*from w w w. ja v a 2 s . co m*/ compressor.finish(); ByteArrayOutputStream bos = new ByteArrayOutputStream(input.length); byte[] buf = new byte[1024]; while (!compressor.finished()) { int count = compressor.deflate(buf); bos.write(buf, 0, count); } bos.close(); byte[] compressedData = bos.toByteArray(); System.out.println(Arrays.toString(compressedData)); }
From source file:Main.java
public static void main(String[] argv) throws Exception { byte[] input = "this is a test".getBytes(); Deflater compressor = new Deflater(); compressor.setLevel(Deflater.BEST_COMPRESSION); compressor.setInput(input);//from w w w. ja va 2s . c o m compressor.finish(); ByteArrayOutputStream bos = new ByteArrayOutputStream(input.length); byte[] buf = new byte[1024]; while (!compressor.finished()) { int count = compressor.deflate(buf); bos.write(buf, 0, count); } bos.close(); byte[] compressedData = bos.toByteArray(); Inflater decompressor = new Inflater(); decompressor.setInput(compressedData); bos = new ByteArrayOutputStream(compressedData.length); buf = new byte[1024]; while (!decompressor.finished()) { int count = decompressor.inflate(buf); bos.write(buf, 0, count); } bos.close(); byte[] decompressedData = bos.toByteArray(); System.out.println(new String(decompressedData)); }
From source file:CompressIt.java
public static void main(String[] args) { String filename = args[0];// w w w. j a v a 2 s . c o m try { File file = new File(filename); int length = (int) file.length(); FileInputStream fis = new FileInputStream(file); BufferedInputStream bis = new BufferedInputStream(fis); ByteArrayOutputStream baos = new ByteArrayOutputStream(length); GZIPOutputStream gos = new GZIPOutputStream(baos); byte[] buffer = new byte[1024]; int bytesRead; while ((bytesRead = bis.read(buffer)) != -1) { gos.write(buffer, 0, bytesRead); } bis.close(); gos.close(); System.out.println("Input Length: " + length); System.out.println("Output Length: " + baos.size()); } catch (FileNotFoundException e) { System.err.println("Invalid Filename"); } catch (IOException e) { System.err.println("I/O Exception"); } }
From source file:com.javacreed.examples.sql.Example3.java
public static void main(final String[] args) throws Exception { try (BasicDataSource dataSource = DatabaseUtils.createDataSource(); Connection connection = dataSource.getConnection()) { final ExampleTest test = new ExampleTest(connection, "compressed_table", "compressed") { @Override/*from ww w. j av a 2 s .c om*/ protected String parseRow(final ResultSet resultSet) throws Exception { try (InputStream in = new LZ4BlockInputStream(resultSet.getBinaryStream("compressed"))) { return IOUtils.toString(in, "UTF-8"); } } @Override protected void setPreparedStatement(final String data, final PreparedStatement statement) throws Exception { final ByteArrayOutputStream baos = new ByteArrayOutputStream(data.length()); try (OutputStream out = new LZ4BlockOutputStream(baos)) { out.write(data.getBytes("UTF-8")); } statement.setBinaryStream(1, new ByteArrayInputStream(baos.toByteArray())); } }; test.runTest(); } Example3.LOGGER.debug("Done"); }