List of usage examples for java.io FilterOutputStream write
@Override public void write(byte b[]) throws IOException
b.length bytes to this output stream. From source file:Main.java
public static void main(String[] args) throws Exception { OutputStream os = new FileOutputStream("C://test.txt"); FilterOutputStream fos = new FilterOutputStream(os); fos.write(65); // forces byte contents to written out to the stream fos.flush();/*from ww w . j a v a 2s .c om*/ // create output streams FileInputStream fis = new FileInputStream("C://test.txt"); // read byte int i = fis.read(); // convert integer to characters char c = (char) i; System.out.print("Character read: " + c); fos.close(); fis.close(); }
From source file:Main.java
public static void main(String[] args) throws Exception { OutputStream os = new FileOutputStream("C://test.txt"); FilterOutputStream fos = new FilterOutputStream(os); // writes buffer to the output stream fos.write(65); // forces byte contents to written out to the stream fos.flush();/*from w w w. j a va2s . co m*/ // create input streams FileInputStream fis = new FileInputStream("C://test.txt"); // get byte from the file int i = fis.read(); // convert integer to character char c = (char) i; System.out.print("Character read: " + c); fos.close(); fis.close(); }
From source file:Main.java
public static void main(String[] args) throws Exception { byte[] buffer = { 65, 66, 67, 68, 69 }; int i = 0;//from w ww. ja v a 2s .com OutputStream os = new FileOutputStream("C://test.txt"); FilterOutputStream fos = new FilterOutputStream(os); // writes buffer to the output stream fos.write(buffer); // forces byte contents to written out to the stream fos.flush(); // create input streams FileInputStream fis = new FileInputStream("C://test.txt"); while ((i = fis.read()) != -1) { // converts integer to the character char c = (char) i; System.out.println("Character read: " + c); } fos.close(); fis.close(); }
From source file:Main.java
public static void main(String[] args) throws Exception { // create input streams OutputStream os = new FileOutputStream("C://test.txt"); FilterOutputStream fos = new FilterOutputStream(os); // releases any system resources associated with the stream fos.close();//from www.ja v a 2 s. com // writes byte to the output stream fos.write(65); }
From source file:sit.web.client.HttpHelper.java
public HTTPResponse doHttpUrlConnectionRequest(URL url, String method, String contentType, byte[] payload, String unamePword64) throws MalformedURLException, ProtocolException, IOException, URISyntaxException { if (payload == null) { //make sure payload is initialized payload = new byte[0]; }/*from w ww. j a v a2 s . c o m*/ boolean isHTTPS = url.getProtocol().equalsIgnoreCase("https"); HttpURLConnection connection; if (isHTTPS) { connection = (HttpsURLConnection) url.openConnection(); } else { connection = (HttpURLConnection) url.openConnection(); } connection.setRequestMethod(method); connection.setRequestProperty("Host", url.getHost()); connection.setRequestProperty("Content-Type", contentType); connection.setRequestProperty("Content-Length", String.valueOf(payload.length)); if (isHTTPS) { connection.setRequestProperty("Authorization", "Basic " + unamePword64); } Logger.getLogger(HttpHelper.class.getName()).log(Level.FINER, "trying to connect:\n" + method + " " + url + "\nhttps:" + isHTTPS + "\nContentType:" + contentType + "\nContent-Length:" + String.valueOf(payload.length)); connection.setDoInput(true); if (payload.length > 0) { // open up the output stream of the connection connection.setDoOutput(true); FilterOutputStream output = new FilterOutputStream(connection.getOutputStream()); // write out the data output.write(payload); output.close(); } HTTPResponse response = new HTTPResponse(method + " " + url.toString(), payload, Charset.defaultCharset()); //TODO forward charset ot this method response.code = connection.getResponseCode(); response.message = connection.getResponseMessage(); Logger.getLogger(HttpHelper.class.getName()).log(Level.FINE, "received response: " + response.message + " with code: " + response.code); if (response.code != 500) { byte[] buffer = new byte[20480]; ByteBuilder bytes = new ByteBuilder(); // get ready to read the response from the cgi script DataInputStream input = new DataInputStream(connection.getInputStream()); boolean done = false; while (!done) { int readBytes = input.read(buffer); done = (readBytes == -1); if (!done) { bytes.append(buffer, readBytes); } } input.close(); response.reply = bytes.toString(Charset.defaultCharset()); } return response; }
From source file:com.datatorrent.lib.io.fs.AbstractFileOutputOperator.java
/** * This method processes received tuples. * Tuples are written out to the appropriate files as determined by the getFileName method. * If the output port is connected incoming tuples are also converted and emitted on the appropriate output port. * @param tuple An incoming tuple which needs to be processed. *//* w w w . j a va2 s .c o m*/ protected void processTuple(INPUT tuple) { String fileName = getFileName(tuple); if (Strings.isNullOrEmpty(fileName)) { return; } try { FilterOutputStream fsOutput = streamsCache.get(fileName).getFilterStream(); byte[] tupleBytes = getBytesForTuple(tuple); long start = System.currentTimeMillis(); fsOutput.write(tupleBytes); totalWritingTime += System.currentTimeMillis() - start; totalBytesWritten += tupleBytes.length; MutableLong currentOffset = endOffsets.get(fileName); if (currentOffset == null) { currentOffset = new MutableLong(0); endOffsets.put(fileName, currentOffset); } currentOffset.add(tupleBytes.length); if (rotationWindows > 0) { getRotationState(fileName).notEmpty = true; } if (rollingFile && currentOffset.longValue() > maxLength) { LOG.debug("Rotating file {} {} {}", fileName, openPart.get(fileName), currentOffset.longValue()); rotate(fileName); } MutableLong count = counts.get(fileName); if (count == null) { count = new MutableLong(0); counts.put(fileName, count); } count.add(1); } catch (IOException | ExecutionException ex) { throw new RuntimeException(ex); } }
From source file:org.jboss.remoting.transport.http.HTTPServerInvoker.java
private boolean processRequest(FilterInputStream dataInput, FilterOutputStream dataOutput) { boolean keepAlive = true; try {/*from w w w .ja va 2s.co m*/ Object response = null; boolean isError = false; String requestContentType = null; String methodType = null; String path = null; String httpVersion = null; InvocationRequest request = null; try { // Need to parse the header to find Content-Type /** * Read the first line, as this will be the POST or GET, path, and HTTP version. * Then next comes the headers. (key value seperated by a ': ' * Then followed by an empty \r\n, which will be followed by the payload */ ByteArrayOutputStream buffer = new ByteArrayOutputStream(); int ch; while ((ch = dataInput.read()) >= 0) { buffer.write(ch); if (ch == '\n') { break; } } byte[] firstLineRaw = buffer.toByteArray(); buffer.close(); // now need to backup and make sure the character before the \n was a \r if (firstLineRaw[firstLineRaw.length - 2] == '\r') { //Got our first line, now to set the variables String firstLine = new String(firstLineRaw).trim(); int startIndex = 0; int endIndex = firstLine.indexOf(' '); methodType = firstLine.substring(startIndex, endIndex); startIndex = endIndex + 1; endIndex = firstLine.indexOf(' ', startIndex); path = firstLine.substring(startIndex, endIndex); startIndex = endIndex + 1; httpVersion = firstLine.substring(startIndex); } else { log.error("Error processing first line. Should have ended in \r\n, but did not"); throw new RuntimeException( "Error processing HTTP request type. First line of request is invalid."); } Map metadata = new HashMap(); Header[] headers = HttpParser.parseHeaders(dataInput); for (int x = 0; x < headers.length; x++) { String headerName = headers[x].getName(); String headerValue = headers[x].getValue(); metadata.put(headerName, headerValue); // doing this instead of getting from map since ignores case if ("Content-Type".equalsIgnoreCase(headerName)) { requestContentType = headers[x].getValue(); } } metadata.put(HTTPMetadataConstants.METHODTYPE, methodType); metadata.put(HTTPMetadataConstants.PATH, path); metadata.put(HTTPMetadataConstants.HTTPVERSION, httpVersion); // checks to see if is Connection: close, which will deactivate keep alive. keepAlive = checkForConnecctionClose(headers); if (methodType.equals("OPTIONS")) { request = createNewInvocationRequest(metadata, null); response = invoke(request); Map responseMap = request.getReturnPayload(); dataOutput.write("HTTP/1.1 ".getBytes()); String status = "200 OK"; dataOutput.write(status.getBytes()); String server = "\r\n" + "Server: JBoss Remoting HTTP Server/" + Version.VERSION; dataOutput.write(server.getBytes()); String date = "\r\n" + "Date: " + new Date(); dataOutput.write(date.getBytes()); String contentLength = "\r\n" + "Content-Length: 0"; dataOutput.write(contentLength.getBytes()); if (responseMap != null) { Set entries = responseMap.entrySet(); Iterator itr = entries.iterator(); while (itr.hasNext()) { Map.Entry entry = (Map.Entry) itr.next(); String entryString = "\r\n" + entry.getKey() + ": " + entry.getValue(); dataOutput.write(entryString.getBytes()); } } String close = "\r\n" + "Connection: close"; dataOutput.write(close.getBytes()); // content seperator dataOutput.write(("\r\n" + "\r\n").getBytes()); dataOutput.flush(); //nothing more to do since do not need to call handler for this one return keepAlive; } else if (methodType.equals("GET") || methodType.equals("HEAD")) { request = createNewInvocationRequest(metadata, null); } else // must be POST or PUT { UnMarshaller unmarshaller = getUnMarshaller(); Object obj = unmarshaller.read(dataInput, metadata); if (obj instanceof InvocationRequest) { request = (InvocationRequest) obj; } else { if (WebUtil.isBinary(requestContentType)) { request = getInvocationRequest(metadata, obj); } else { request = createNewInvocationRequest(metadata, obj); } } } try { // call transport on the subclass, get the result to handback response = invoke(request); } catch (Throwable ex) { log.debug("Error thrown calling invoke on server invoker.", ex); response = ex; isError = true; } } catch (Throwable thr) { log.debug("Error thrown processing request. Probably error with processing headers.", thr); if (thr instanceof SocketException) { log.error("Error processing on socket.", thr); keepAlive = false; return keepAlive; } else if (thr instanceof Exception) { response = (Exception) thr; } else { response = new Exception(thr); } isError = true; } if (dataOutput != null) { Map responseMap = null; if (request != null) { responseMap = request.getReturnPayload(); } if (response == null) { dataOutput.write("HTTP/1.1 ".getBytes()); String status = "204 No Content"; if (responseMap != null) { String handlerStatus = (String) responseMap.get(HTTPMetadataConstants.RESPONSE_CODE); if (handlerStatus != null) { status = handlerStatus; } } dataOutput.write(status.getBytes()); String contentType = "\r\n" + "Content-Type" + ": " + "text/html"; dataOutput.write(contentType.getBytes()); String contentLength = "\r\n" + "Content-Length" + ": " + 0; dataOutput.write(contentLength.getBytes()); if (responseMap != null) { Set entries = responseMap.entrySet(); Iterator itr = entries.iterator(); while (itr.hasNext()) { Map.Entry entry = (Map.Entry) itr.next(); String entryString = "\r\n" + entry.getKey() + ": " + entry.getValue(); dataOutput.write(entryString.getBytes()); } } dataOutput.write(("\r\n" + "\r\n").getBytes()); //dataOutput.write("NULL return".getBytes()); dataOutput.flush(); } else { dataOutput.write("HTTP/1.1 ".getBytes()); String status = null; if (isError) { status = "500 JBoss Remoting: Error occurred within target application."; } else { status = "200 OK"; if (responseMap != null) { String handlerStatus = (String) responseMap.get(HTTPMetadataConstants.RESPONSE_CODE); if (handlerStatus != null) { status = handlerStatus; } } } dataOutput.write(status.getBytes()); // write return headers String contentType = "\r\n" + "Content-Type" + ": " + requestContentType; dataOutput.write(contentType.getBytes()); int iContentLength = getContentLength(response); String contentLength = "\r\n" + "Content-Length" + ": " + iContentLength; dataOutput.write(contentLength.getBytes()); if (responseMap != null) { Set entries = responseMap.entrySet(); Iterator itr = entries.iterator(); while (itr.hasNext()) { Map.Entry entry = (Map.Entry) itr.next(); String entryString = "\r\n" + entry.getKey() + ": " + entry.getValue(); dataOutput.write(entryString.getBytes()); } } // content seperator dataOutput.write(("\r\n" + "\r\n").getBytes()); if (methodType != null && !methodType.equals("HEAD")) { // write response Marshaller marshaller = getMarshaller(); marshaller.write(response, dataOutput); } } } else { if (isError) { log.warn( "Can not send error response due to output stream being null (due to previous error)."); } else { log.error( "Can not send response due to output stream being null (even though there was not a previous error encountered)."); } } } catch (Exception e) { log.error("Error processing client request.", e); keepAlive = false; } return keepAlive; }