List of usage examples for java.io FileInputStream read
public int read(byte b[]) throws IOException
b.length bytes of data from this input stream into an array of bytes. From source file:info.reborncraft.ImageManipulation.java
/** * @param args/*from w w w.j a v a 2s . c om*/ */ public static void main(String[] args) { File file = new File("server-icon.png"); try { /* * Reading a Image file from file system */ FileInputStream imageInFile = new FileInputStream(file); byte imageData[] = new byte[(int) file.length()]; imageInFile.read(imageData); imageInFile.close(); /* * Converting Image byte array into Base64 String */ String imageDataString = encodeImage(imageData); System.out.println(imageDataString); } catch (FileNotFoundException e) { System.out.println("Image not found" + e); } catch (IOException ioe) { System.out.println("Exception while reading the Image " + ioe); } }
From source file:controller.tempClass.java
/** * @desc Image manipulation - Conversion * * @filename ImageManipulation.java//from www .j a va 2s .c o m * @author Jeevanandam M. (jeeva@myjeeva.com) * @copyright myjeeva.com */ public static void main(String[] args) { File file = new File("E:\\Photograph\\Temporary\\mshien.jpg"); try { // Reading a Image file from file system FileInputStream imageInFile = new FileInputStream(file); byte imageData[] = new byte[(int) file.length()]; imageInFile.read(imageData); // Converting Image byte array into Base64 String System.out.println(encodeImage(imageData)); String imageDataString = encodeImage(imageData); // Converting a Base64 String into Image byte array byte[] imageByteArray = decodeImage(imageDataString); // Write a image byte array into file system FileOutputStream imageOutFile = new FileOutputStream("C:\\Users\\doanvanthien\\Desktop\\LOGO.png"); imageOutFile.write(imageByteArray); imageInFile.close(); imageOutFile.close(); System.out.println("Image Successfully Manipulated!"); } catch (FileNotFoundException e) { System.out.println("Image not found" + e); } catch (IOException ioe) { System.out.println("Exception while reading the Image " + ioe); } }
From source file:com.rabbitmq.examples.FileProducer.java
public static void main(String[] args) { Options options = new Options(); options.addOption(new Option("h", "uri", true, "AMQP URI")); options.addOption(new Option("p", "port", true, "broker port")); options.addOption(new Option("t", "type", true, "exchange type")); options.addOption(new Option("e", "exchange", true, "exchange name")); options.addOption(new Option("k", "routing-key", true, "routing key")); CommandLineParser parser = new GnuParser(); try {//from www. j av a 2 s .co m CommandLine cmd = parser.parse(options, args); String uri = strArg(cmd, 'h', "amqp://localhost"); String exchangeType = strArg(cmd, 't', "direct"); String exchange = strArg(cmd, 'e', null); String routingKey = strArg(cmd, 'k', null); ConnectionFactory connFactory = new ConnectionFactory(); connFactory.setUri(uri); Connection conn = connFactory.newConnection(); final Channel ch = conn.createChannel(); if (exchange == null) { System.err.println("Please supply exchange name to send to (-e)"); System.exit(2); } if (routingKey == null) { System.err.println("Please supply routing key to send to (-k)"); System.exit(2); } ch.exchangeDeclare(exchange, exchangeType); for (String filename : cmd.getArgs()) { System.out.print("Sending " + filename + "..."); File f = new File(filename); FileInputStream i = new FileInputStream(f); byte[] body = new byte[(int) f.length()]; i.read(body); i.close(); Map<String, Object> headers = new HashMap<String, Object>(); headers.put("filename", filename); headers.put("length", (int) f.length()); BasicProperties props = new BasicProperties.Builder().headers(headers).build(); ch.basicPublish(exchange, routingKey, props, body); System.out.println(" done."); } conn.close(); } catch (Exception ex) { System.err.println("Main thread caught exception: " + ex); ex.printStackTrace(); System.exit(1); } }
From source file:Main.java
public static void main(String[] args) throws Exception { Socket socket = new Socket("localhost", 8000); File file = new File("C:/Users/abc/Desktop/image.jpg"); FileInputStream fileInputStream = new FileInputStream(file); byte[] fileBytes = new byte[(int) file.length()]; OutputStream outputStream = socket.getOutputStream(); int content;// w ww . j a va 2s. c o m while ((content = fileInputStream.read(fileBytes)) != -1) { outputStream.write(fileBytes, 0, (int) file.length()); } System.out.println("file size is " + fileBytes.length); for (byte a : fileBytes) { System.out.println(a); } socket.close(); fileInputStream.close(); }
From source file:com.sight.facialrecog.util.ImageManipulation.java
/** * @param args/* www.j a v a 2 s . c o m*/ */ public static void main(String[] args) { File file = new File("/home/sight/Pictures/imagetest/close.jpg"); try { /* * Reading an Image file from file system */ FileInputStream imageInFile = new FileInputStream(file); byte imageData[] = new byte[(int) file.length()]; imageInFile.read(imageData); /* * Converting Image byte array into Base64 String */ String imageDataString = encodeImage(imageData); System.out.println(imageDataString); /* * Converting a Base64 String into Image byte array */ byte[] imageByteArray = decodeImage(imageDataString); /* * Write an image byte array into file system */ FileOutputStream imageOutFile = new FileOutputStream( "/home/sight/Pictures/imagetest/close-after-convert.jpg"); imageOutFile.write(imageByteArray); imageInFile.close(); imageOutFile.close(); System.out.println("Image Successfully Manipulated!"); } catch (FileNotFoundException e) { System.out.println("Image not found" + e); } catch (IOException ioe) { System.out.println("Exception while reading the Image " + ioe); } }
From source file:com.cisco.dvbu.ps.common.adapters.core.CisWsClient.java
public static void main(String[] args) throws Exception { if (args.length < 8) { System.err.println(/*from www . j av a 2s. c o m*/ "usage: java com.cisco.dvbu.ps.common.adapters.core.CisWsClient endpointName endpointMethod configXml requestXml host port user password <domain>"); System.exit(1); } org.apache.log4j.BasicConfigurator.configure(); // DEBUG, INFO, ERROR org.apache.log4j.Logger.getRootLogger().setLevel(org.apache.log4j.Level.DEBUG); String endpointName = args[0]; // "server" String endpointMethod = args[1]; // "getServerAttributes" String adapterConfigPath = args[2]; // E:\dev\Workspaces\PDToolGitTest\PDTool_poc\resources\config\6.2.0\cis_adapter_config.xml String requestXMLPath = args[3]; // path to request xml Properties props = new Properties(); props.setProperty(AdapterConstants.ADAPTER_HOST, args[4]); props.setProperty(AdapterConstants.ADAPTER_PORT, args[5]); props.setProperty(AdapterConstants.ADAPTER_USER, args[6]); props.setProperty(AdapterConstants.ADAPTER_PSWD, args[7]); if (args.length == 9) props.setProperty(AdapterConstants.ADAPTER_DOMAIN, args[8]); // Read the request xml file FileInputStream input = new FileInputStream(requestXMLPath); byte[] fileData = new byte[input.available()]; input.read(fileData); input.close(); String requestXml = new String(fileData, "UTF-8"); // Execute the CIS Web Service Client for an adapter configuration CisWsClient cisclient = new CisWsClient(props, adapterConfigPath); System.out.println("Request: " + requestXml); // String requestXml = "<?xml version=\"1.0\"?> <p1:ServerAttributeModule xmlns:p1=\"http://www.dvbu.cisco.com/ps/deploytool/modules\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xsi:schemaLocation=\"http://www.dvbu.cisco.com/ps/deploytool/modules file:///e:/dev/Workspaces/PDToolGitTest/PDToolModules/schema/PDToolModules.xsd\"> <!--Element serverAttribute, maxOccurs=unbounded--> <serverAttribute> <id>sa1</id> <name>/server/event/generation/sessions/sessionLoginFail</name> <type>UNKNOWN</type> <!--Element value is optional--> <value>string</value> <!--Element valueArray is optional--> <valueArray> <!--Element item is optional, maxOccurs=unbounded--> <item>string</item> <item>string</item> <item>string</item> </valueArray> <!--Element valueList is optional--> <valueList> <!--Element item is optional, maxOccurs=unbounded--> <item> <!--Element type is optional--> <type>UNKNOWN</type> <!--Element value is optional--> <value>string</value> </item> <item> <!--Element type is optional--> <type>UNKNOWN</type> <!--Element value is optional--> <value>string</value> </item> <item> <!--Element type is optional--> <type>UNKNOWN</type> <!--Element value is optional--> <value>string</value> </item> </valueList> <!--Element valueMap is optional--> <valueMap> <!--Element entry is optional, maxOccurs=unbounded--> <entry> <!--Element key is optional--> <key> <!--Element type is optional--> <type>UNKNOWN</type> <!--Element value is optional--> <value>string</value> </key> <!--Element value is optional--> <value> <!--Element type is optional--> <type>UNKNOWN</type> <!--Element value is optional--> <value>string</value> </value> </entry> <entry> <!--Element key is optional--> <key> <!--Element type is optional--> <type>UNKNOWN</type> <!--Element value is optional--> <value>string</value> </key> <!--Element value is optional--> <value> <!--Element type is optional--> <type>UNKNOWN</type> <!--Element value is optional--> <value>string</value> </value> </entry> <entry> <!--Element key is optional--> <key> <!--Element type is optional--> <type>UNKNOWN</type> <!--Element value is optional--> <value>string</value> </key> <!--Element value is optional--> <value> <!--Element type is optional--> <type>UNKNOWN</type> <!--Element value is optional--> <value>string</value> </value> </entry> </valueMap> </serverAttribute> </p1:ServerAttributeModule>"; String response = cisclient.sendRequest(endpointName, endpointMethod, requestXml); System.out.println("Response: " + response); }
From source file:Main.java
public static void main(String[] args) throws Exception { FileInputStream fin = null; FileOutputStream fout = null; File file = new File("C:/myfile1.txt"); fin = new FileInputStream(file); fout = new FileOutputStream("C:/myfile2.txt"); byte[] buffer = new byte[1024]; int bytesRead; while ((bytesRead = fin.read(buffer)) > 0) { fout.write(buffer, 0, bytesRead); }/*from www . j a v a 2 s .c o m*/ fin.close(); fout.close(); }
From source file:Main.java
public static void main(String[] args) throws Exception { FileInputStream inStream = new FileInputStream("test.txt"); ZipOutputStream outStream = new ZipOutputStream(new FileOutputStream("compressed.zip")); outStream.putNextEntry(new ZipEntry("test.txt")); byte[] buffer = new byte[1024]; int bytesRead; while ((bytesRead = inStream.read(buffer)) > 0) { outStream.write(buffer, 0, bytesRead); }//w ww. j av a2 s. c o m outStream.closeEntry(); outStream.close(); inStream.close(); }
From source file:Blobs.java
public static void main(String args[]) { if (args.length != 1) { System.err.println("Syntax: <java Blobs [driver] [url] " + "[uid] [pass] [file]"); return;/*from w w w . ja va2s . c o m*/ } try { Class.forName(args[0]).newInstance(); Connection con = DriverManager.getConnection(args[1], args[2], args[3]); File f = new File(args[4]); PreparedStatement stmt; if (!f.exists()) { // if the file does not exist // retrieve it from the database and write it to the named file ResultSet rs; stmt = con.prepareStatement("SELECT blobData " + "FROM BlobTest " + "WHERE fileName = ?"); stmt.setString(1, args[0]); rs = stmt.executeQuery(); if (!rs.next()) { System.out.println("No such file stored."); } else { Blob b = rs.getBlob(1); BufferedOutputStream os; os = new BufferedOutputStream(new FileOutputStream(f)); os.write(b.getBytes(0, (int) b.length()), 0, (int) b.length()); os.flush(); os.close(); } } else { // otherwise read it and save it to the database FileInputStream fis = new FileInputStream(f); byte[] tmp = new byte[1024]; byte[] data = null; int sz, len = 0; while ((sz = fis.read(tmp)) != -1) { if (data == null) { len = sz; data = tmp; } else { byte[] narr; int nlen; nlen = len + sz; narr = new byte[nlen]; System.arraycopy(data, 0, narr, 0, len); System.arraycopy(tmp, 0, narr, len, sz); data = narr; len = nlen; } } if (len != data.length) { byte[] narr = new byte[len]; System.arraycopy(data, 0, narr, 0, len); data = narr; } stmt = con.prepareStatement("INSERT INTO BlobTest(fileName, " + "blobData) VALUES(?, ?)"); stmt.setString(1, args[0]); stmt.setObject(2, data); stmt.executeUpdate(); f.delete(); } con.close(); } catch (Exception e) { e.printStackTrace(); } }
From source file:MainClass.java
public static void main(String args[]) throws Exception { Security.addProvider(new org.bouncycastle.jce.provider.BouncyCastleProvider()); SecretKey key = KeyGenerator.getInstance("DES").generateKey(); // for CBC; must be 8 bytes byte[] initVector = new byte[] { 0x10, 0x10, 0x01, 0x04, 0x01, 0x01, 0x01, 0x02 }; AlgorithmParameterSpec algParamSpec = new IvParameterSpec(initVector); Cipher m_encrypter = Cipher.getInstance("DES/CBC/PKCS5Padding"); Cipher m_decrypter = Cipher.getInstance("DES/CBC/PKCS5Padding"); m_encrypter.init(Cipher.ENCRYPT_MODE, key, algParamSpec); m_decrypter.init(Cipher.DECRYPT_MODE, key, algParamSpec); FileInputStream fis = new FileInputStream("cipherTest.in"); FileOutputStream fos = new FileOutputStream("cipherTest.out"); int dataInputSize = fis.available(); byte[] inputBytes = new byte[dataInputSize]; fis.read(inputBytes); write(inputBytes, fos);/*from w w w.j a v a2s .co m*/ fos.flush(); fis.close(); fos.close(); String inputFileAsString = new String(inputBytes); System.out.println("INPUT FILE CONTENTS\n" + inputFileAsString + "\n"); System.out.println("File encrypted and saved to disk\n"); fis = new FileInputStream("cipherTest.out"); byte[] decrypted = new byte[dataInputSize]; read(decrypted, fis); fis.close(); String decryptedAsString = new String(decrypted); System.out.println("DECRYPTED FILE:\n" + decryptedAsString + "\n"); }