trunk/crossdics/src/dictools/crossmodel/ConstantMap.java

   1 /*
   2  * Copyright (C) 2007 Universitat d'Alacant / Universidad de Alicante
   3  * Author: Enrique Benimeli Bofarull
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License as
   7  * published by the Free Software Foundation; either version 2 of the
   8  * License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  18  * 02111-1307, USA.
  19  */
  20
  21 package dictools.crossmodel;
  22
  23 import java.io.DataOutputStream;
  24 import java.io.IOException;
  25 import java.util.HashMap;
  26 import java.util.Iterator;
  27 import java.util.Set;
  28
  29 /**
  30  *
  31  * @author Enrique Benimeli Bofarull
  32  *
  33  */
  34 public class ConstantMap extends HashMap<String, String> {
  35
  36     /**
  37          *
  38          */
  39     static final long serialVersionUID = 0;
  40
  41     /**
  42          *
  43          * @param key
  44          * @param value
  45          */
  46     public final String insert(final String key, final String value) {
  47         if (!containsKey(key)) {
  48             put(key, value);
  49             return value;
  50         } else {
  51             return get(key);
  52         }
  53     }
  54
  55     /**
  56          *
  57          *
  58          */
  59     public final void print() {
  60         final Set keySet = keySet();
  61         final Iterator it = keySet.iterator();
  62
  63         System.out.print("constants: ");
  64         while (it.hasNext()) {
  65             final String key = (String) it.next();
  66             final String value = get(key);
  67             System.out.print("<" + key + "," + value + "> ");
  68         }
  69         System.out.println("");
  70     }
  71
  72     /**
  73          *
  74          * @param dos
  75          */
  76     public final void printXML(DataOutputStream dos) throws IOException {
  77         final Set keySet = keySet();
  78         final Iterator it = keySet.iterator();
  79
  80         dos.writeBytes("\t<constants>\n");
  81         while (it.hasNext()) {
  82             final String key = (String) it.next();
  83             final String value = get(key);
  84             dos.writeBytes("\t\t<constant n=\"" + value + "\">" + key
  85                     + "</constant>\n");
  86         }
  87         dos.writeBytes("\t<constants>\n");
  88     }
  89
  90     /**
  91          *
  92          * @param value
  93          * @return
  94          */
  95     public final String getKey(final String value) {
  96         final Set keySet = keySet();
  97         final Iterator it = keySet.iterator();
  98
  99         while (it.hasNext()) {
 100             final String key = (String) it.next();
 101             final String v = get(key);
 102             if (v.equals(value)) {
 103                 return key;
 104             }
 105         }
 106         return null;
 107     }
 108 }