Examples of java.io.DataInputStream.readLine()

java.io.DataInputStream.readLine()
See the general contract of the readLine method of DataInput.
Bytes for this operation are read from the contained input stream. @deprecated This method does not properly convert bytes to characters.As of JDK 1.1, the preferred way to read lines of text is via the BufferedReader.readLine() method. Programs that use the DataInputStream class to read lines can be converted to use the BufferedReader class by replacing code of the form:
```
 DataInputStream d = new DataInputStream(in); 
```
with:
```
 BufferedReader d = new BufferedReader(new InputStreamReader(in)); 
```
@return the next line of text from this input stream. @exception IOException if an I/O error occurs. @see java.io.BufferedReader#readLine() @see java.io.FilterInputStream#in


    switch(line.charAt(0)) {
      case 'p':
      case 'P':
          out.print("key ? ") ; out.flush() ;
          key = in.readLine() ;
          out.print("value ? ") ; out.flush() ;
          value = in.readLine() ;
          value = (String ) ad.put(key,value) ;
          out.println("old: "+value) ;
          break ;

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      case 'p':
      case 'P':
          out.print("key ? ") ; out.flush() ;
          key = in.readLine() ;
          out.print("value ? ") ; out.flush() ;
          value = in.readLine() ;
          value = (String ) ad.put(key,value) ;
          out.println("old: "+value) ;
          break ;
      case 'r':
      case 'R':

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          out.println("old: "+value) ;
          break ;
      case 'r':
      case 'R':
          out.print("key ? ") ; out.flush() ;
          key = in.readLine() ;
          value = (String) ad.remove(key) ;
          out.println("old: "+value) ;
          break ;
      case 'g':
      case 'G':

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          out.println("old: "+value) ;
          break ;
      case 'g':
      case 'G':
          out.print("key ? ") ; out.flush() ;
          key = in.readLine() ;
          value = (String) ad.get(key) ;
          out.println("value: "+value) ;
          break ;
      case 'd':
      case 'D':

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      try {
    String      line = null ;
    DataInputStream in   = (new DataInputStream
          (new BufferedInputStream
           (new FileInputStream(filename)))) ;
    while ((line = in.readLine()) != null) 
        urls.addElement(new URL(line)) ;
    in.close() ;
      } catch (Exception ex) {
    System.out.println("Unable to read URL file "+filename) ;
    ex.printStackTrace() ;

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             + file.getAbsolutePath());
      return;
  }
  // Parse the file in:
  try {
      for (String line = null; (line = in.readLine()) != null; ) {
    // Syntax (FIXME) 
    //   host udp-port http-location
    // | '#' comments
    if ( line.startsWith("#") || line.length() == 0 )
        continue;

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        final OutputStream sockOut = socket.getOutputStream();
        final DataInputStream in = new DataInputStream(new TelnetInputStream(socket.getInputStream(), sockOut));
        final PrintStream out = new TelnetPrintStream(sockOut);


        assertEmptyLine(in);
        assertEquals("type 'help' for a list of commands", in.readLine());


        out.println("set a b");
        out.flush();
        assertReply("set a to b", in.readLine());
        assertEmptyLine(in);

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        assertEmptyLine(in);
        assertEquals("type 'help' for a list of commands", in.readLine());


        out.println("set a b");
        out.flush();
        assertReply("set a to b", in.readLine());
        assertEmptyLine(in);


        out.println("get a");
        out.flush();
        assertReply("b", in.readLine());

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        assertReply("set a to b", in.readLine());
        assertEmptyLine(in);


        out.println("get a");
        out.flush();
        assertReply("b", in.readLine());
        assertEmptyLine(in);


        out.println("list");
        out.flush();
        assertReply("a = b", in.readLine());

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        assertReply("b", in.readLine());
        assertEmptyLine(in);


        out.println("list");
        out.flush();
        assertReply("a = b", in.readLine());
        assertEmptyLine(in);
    }
}

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