Source for gnu.java.text.StringFormatBuffer

   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 final 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: 
 122:   public String toString()
 123:   {
 124:     return buffer.toString();
 125:   }
 126: 
 127: }