gomp-20050608-branch/libjava/classpath/gnu/java/text/StringFormatBuffer.java

   1 /* StringFormatBuffer.java -- Implements FormatBuffer using StringBuffer.
   2    Copyright (C) 2004 Free Software Foundation, Inc.
   3
   4 This file is part of GNU Classpath.
   5
   6 GNU Classpath is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU Classpath is distributed in the hope that it will be useful, but
  12 WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Classpath; see the file COPYING.  If not, write to the
  18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19 02110-1301 USA.
  20
  21 Linking this library statically or dynamically with other modules is
  22 making a combined work based on this library.  Thus, the terms and
  23 conditions of the GNU General Public License cover the whole
  24 combination.
  25
  26 As a special exception, the copyright holders of this library give you
  27 permission to link this library with independent modules to produce an
  28 executable, regardless of the license terms of these independent
  29 modules, and to copy and distribute the resulting executable under
  30 terms of your choice, provided that you also meet, for each linked
  31 independent module, the terms and conditions of the license of that
  32 module.  An independent module is a module which is not derived from
  33 or based on this library.  If you modify this library, you may extend
  34 this exception to your version of the library, but you are not
  35 obligated to do so.  If you do not wish to do so, delete this
  36 exception statement from your version. */
  37 package gnu.java.text;
  38
  39 import java.text.AttributedCharacterIterator;
  40 import java.util.HashMap;
  41
  42 /**
  43  * This class is an implementation of a FormatBuffer without attributes.
  44  *
  45  * @author Guilhem Lavaux <guilhem@kaffe.org>
  46  * @date April 10, 2004
  47  */
  48 public class StringFormatBuffer implements FormatBuffer
  49 {
  50   private StringBuffer buffer;
  51   private AttributedCharacterIterator.Attribute defaultAttr;
  52
  53   public StringFormatBuffer(int prebuffer)
  54   {
  55     buffer = new StringBuffer(prebuffer);
  56   }
  57
  58   public StringFormatBuffer(StringBuffer buffer)
  59   {
  60     this.buffer = buffer;
  61   }
  62
  63   public void append(String s)
  64   {
  65     buffer.append(s);
  66   }
  67
  68   public void append(String s, AttributedCharacterIterator.Attribute attr)
  69   {
  70     buffer.append(s);
  71   }
  72
  73   public void append(String s, int[] ranges, HashMap[] attrs)
  74   {
  75     buffer.append(s);
  76   }
  77
  78   public void append(char c)
  79   {
  80     buffer.append(c);
  81   }
  82
  83   public void append(char c, AttributedCharacterIterator.Attribute attr)
  84   {
  85     buffer.append(c);
  86   }
  87
  88   public void setDefaultAttribute(AttributedCharacterIterator.Attribute attr)
  89   {
  90     defaultAttr = attr;
  91   }
  92
  93   public AttributedCharacterIterator.Attribute getDefaultAttribute()
  94   {
  95     return defaultAttr;
  96   }
  97
  98   public void cutTail(int length)
  99   {
 100     buffer.setLength(buffer.length()-length);
 101   }
 102
 103   public int length()
 104   {
 105     return buffer.length();
 106   }
 107
 108   public void clear()
 109   {
 110     buffer.setLength(0);
 111   }
 112
 113   /**
 114    * This method returns the internal {@link java.lang.StringBuffer} which
 115    * contains the string of character.
 116    */
 117   public StringBuffer getBuffer()
 118   {
 119     return buffer;
 120   }
 121 }