src/main/java/irc/StreamParameterProvider.java

   1 /*****************************************************/
   2 /*          This java file is a part of the          */
   3 /*                                                   */
   4 /*           -  Plouf's Java IRC Client  -           */
   5 /*                                                   */
   6 /*   Copyright (C)  2002 - 2004 Philippe Detournay   */
   7 /*                                                   */
   8 /*         All contacts : theplouf@yahoo.com         */
   9 /*                                                   */
  10 /*  PJIRC is free software; you can redistribute     */
  11 /*  it and/or modify it under the terms of the GNU   */
  12 /*  General Public License as published by the       */
  13 /*  Free Software Foundation; version 2 or later of  */
  14 /*  the License.                                     */
  15 /*                                                   */
  16 /*  PJIRC is distributed in the hope that it will    */
  17 /*  be useful, but WITHOUT ANY WARRANTY; without     */
  18 /*  even the implied warranty of MERCHANTABILITY or  */
  19 /*  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU   */
  20 /*  General Public License for more details.         */
  21 /*                                                   */
  22 /*  You should have received a copy of the GNU       */
  23 /*  General Public License along with PJIRC; if      */
  24 /*  not, write to the Free Software Foundation,      */
  25 /*  Inc., 59 Temple Place, Suite 330, Boston,        */
  26 /*  MA  02111-1307  USA                              */
  27 /*                                                   */
  28 /*****************************************************/
  29
  30 package irc;
  31
  32 import java.io.BufferedReader;
  33 import java.io.InputStream;
  34 import java.io.InputStreamReader;
  35 import java.util.Hashtable;
  36
  37 /**
  38  * Parameter provider from a text stream.
  39  */
  40 public class StreamParameterProvider implements ParameterProvider {
  41         private Hashtable _table;
  42
  43         /**
  44          * Create a new StreamParameterProvider loading the given input stream.
  45          *
  46          * @param is
  47          *          the input stream to load from. If is is null, then the parameter
  48          *          list will be empty.
  49          */
  50         public StreamParameterProvider(InputStream is) {
  51                 _table = new Hashtable();
  52                 if (is == null)
  53                         return;
  54
  55                 try {
  56                         BufferedReader reader = new BufferedReader(new InputStreamReader(is));
  57                         String line = reader.readLine();
  58                         while (line != null) {
  59                                 line = line.trim();
  60                                 if (line.length() > 0) {
  61                                         if (line.charAt(0) != '#') {
  62                                                 parse(line);
  63                                         }
  64                                 }
  65                                 line = reader.readLine();
  66                         }
  67                         reader.close();
  68                 } catch (Exception ex) {
  69                         ex.printStackTrace();
  70                 }
  71         }
  72
  73         private void parse(String str) {
  74                 int pos = str.indexOf('=');
  75                 if (pos < 0)
  76                         return;
  77                 String before = str.substring(0, pos).trim().toLowerCase(java.util.Locale.ENGLISH);
  78                 String after = str.substring(pos + 1).trim();
  79                 _table.put(before, after);
  80         }
  81
  82         @Override
  83         public String getParameter(String name) {
  84                 return (String) _table.get(name.toLowerCase(java.util.Locale.ENGLISH));
  85         }
  86 }