List of usage examples for java.io IOException printStackTrace
public void printStackTrace()
From source file:AuthorizedFileWriter.java
public static void main(String[] args) { System.setSecurityManager(new SecurityManager()); String file = "authorized.txt"; String fileBody = "test"; try {// ww w .ja va 2s . com FileWriter fileWriter = new FileWriter(file); fileWriter.write(fileBody); fileWriter.close(); System.exit(0); } catch (IOException ioException) { ioException.printStackTrace(); System.exit(1); } }
From source file:Main.java
public static void main(String[] args) { try {// ww w .j a v a 2s . c om float f = 1234.56f; RandomAccessFile raf = new RandomAccessFile("c:/test.txt", "rw"); // write something in the file raf.writeFloat(987.654f); // set the file pointer at 0 position raf.seek(0); // read float System.out.println(raf.readFloat()); // set the file pointer at 0 position raf.seek(0); // write a float raf.writeFloat(f); // set the file pointer at 0 position raf.seek(0); // read float System.out.println(raf.readFloat()); raf.close(); } catch (IOException ex) { ex.printStackTrace(); } }
From source file:Main.java
public static void main(String[] args) { try {//from ww w. jav a 2 s .c o m int i = 123; RandomAccessFile raf = new RandomAccessFile("c:/test.txt", "rw"); // write something in the file raf.writeInt(123); // set the file pointer at 0 position raf.seek(0); // print the int System.out.println(raf.readInt()); // set the file pointer at 0 position raf.seek(0); // write something in the file raf.writeInt(i); // set the file pointer at 0 position raf.seek(0); // print the int System.out.println(raf.readInt()); raf.close(); } catch (IOException ex) { ex.printStackTrace(); } }
From source file:Main.java
public static void main(String[] args) { try {//from ww w . j a v a 2s . com short s = 15000; RandomAccessFile raf = new RandomAccessFile("c:/test.txt", "rw"); // write something in the file raf.writeShort(s); // set the file pointer at 0 position raf.seek(0); // print the short System.out.println(raf.readShort()); // set the file pointer at 0 position raf.seek(0); // write something in the file raf.writeShort(134); // set the file pointer at 0 position raf.seek(0); // print the short System.out.println(raf.readShort()); raf.close(); } catch (IOException ex) { ex.printStackTrace(); } }
From source file:Main.java
public static void main(String[] args) { try {// w w w .j a v a 2s .c o m RandomAccessFile raf = new RandomAccessFile("c:/test.txt", "rw"); raf.writeUTF("Hello World from java2s.com"); // set the file pointer at 0 position raf.seek(0); // print the string System.out.println(raf.readUTF()); // set the file pointer at 0 position raf.seek(0); // attempt to skip 10 bytes System.out.println(raf.skipBytes(10)); System.out.println(raf.readLine()); // set the file pointer to position 8 raf.seek(8); // attempt to skip 10 more bytes System.out.println(raf.skipBytes(10)); raf.close(); } catch (IOException ex) { ex.printStackTrace(); } }
From source file:PrintImage.java
static public void main(String args[]) throws Exception { try {/*from w w w .ja v a 2 s . co m*/ PrintRequestAttributeSet pras = new HashPrintRequestAttributeSet(); pras.add(new Copies(1)); PrintService pss[] = PrintServiceLookup.lookupPrintServices(DocFlavor.INPUT_STREAM.GIF, pras); if (pss.length == 0) throw new RuntimeException("No printer services available."); PrintService ps = pss[0]; System.out.println("Printing to " + ps); DocPrintJob job = ps.createPrintJob(); FileInputStream fin = new FileInputStream("YOurImageFileName.PNG"); Doc doc = new SimpleDoc(fin, DocFlavor.INPUT_STREAM.GIF, null); job.print(doc, pras); fin.close(); } catch (IOException ie) { ie.printStackTrace(); } catch (PrintException pe) { pe.printStackTrace(); } }
From source file:Main.java
public static void main(String[] args) { try {//w w w.j a v a 2s. c om DTD d1 = DTD.getDTD("html"); for (int i = 0; i < 14; i++) { System.out.println(d1.getElement(i).getName()); } } catch (IOException e) { System.err.println(e); e.printStackTrace(); } }
From source file:com.igalia.metamail.Main.java
public static void main(String[] args) { try {//ww w. j av a 2 s . c o m String filename = "../enron-importer/data/maildir/lay-k/sent/1."; byte[] body = FileUtils.readFileToByteArray(new File(filename)); InputStream input = new ByteArrayInputStream(body); Session s = Session.getDefaultInstance(new Properties()); MailRecord mail = MailRecord.create(s, input); System.out.println("To: " + mail.getTo()); } catch (IOException e) { e.printStackTrace(); } catch (MessagingException e) { e.printStackTrace(); } }
From source file:json.WriteToFile.java
public static void main(String[] args) { JSONObject countryObj = new JSONObject(); countryObj.put("Name", "Kenya"); countryObj.put("Population", new Integer(430000000)); JSONArray listOfCounties = new JSONArray(); listOfCounties.add("Nairobi"); listOfCounties.add("Kiambu"); listOfCounties.add("Murang'a"); countryObj.put("Counties", listOfCounties); try {/*from w w w .ja v a 2 s . co m*/ //writing to file File file = new File("/home/mars/Desktop/JsonExample1.json"); file.createNewFile(); FileWriter fw = new FileWriter(file); System.out.println("Writing JSON object to file"); System.out.println("---------------------------"); System.out.println(countryObj); fw.write(countryObj + ""); fw.flush(); fw.close(); } catch (IOException e) { e.printStackTrace(); } }
From source file:FindDirectories.java
public static void main(String[] args) { // if no arguments provided, start at the parent directory if (args.length == 0) args = new String[] { ".." }; try {//from www . j a va2 s.c o m File pathName = new File(args[0]); String[] fileNames = pathName.list(); // enumerate all files in the directory for (int i = 0; i < fileNames.length; i++) { File f = new File(pathName.getPath(), fileNames[i]); // if the file is again a directory, call the main method recursively if (f.isDirectory()) { System.out.println(f.getCanonicalPath()); main(new String[] { f.getPath() }); } } } catch (IOException e) { e.printStackTrace(); } }