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1   /*
2    *  Java HTML Tidy - JTidy
3    *  HTML parser and pretty printer
4    *
5    *  Copyright (c) 1998-2000 World Wide Web Consortium (Massachusetts
6    *  Institute of Technology, Institut National de Recherche en
7    *  Informatique et en Automatique, Keio University). All Rights
8    *  Reserved.
9    *
10   *  Contributing Author(s):
11   *
12   *     Dave Raggett <dsr@w3.org>
13   *     Andy Quick <ac.quick@sympatico.ca> (translation to Java)
14   *     Gary L Peskin <garyp@firstech.com> (Java development)
15   *     Sami Lempinen <sami@lempinen.net> (release management)
16   *     Fabrizio Giustina <fgiust at users.sourceforge.net>
17   *
18   *  The contributing author(s) would like to thank all those who
19   *  helped with testing, bug fixes, and patience.  This wouldn't
20   *  have been possible without all of you.
21   *
22   *  COPYRIGHT NOTICE:
23   * 
24   *  This software and documentation is provided "as is," and
25   *  the copyright holders and contributing author(s) make no
26   *  representations or warranties, express or implied, including
27   *  but not limited to, warranties of merchantability or fitness
28   *  for any particular purpose or that the use of the software or
29   *  documentation will not infringe any third party patents,
30   *  copyrights, trademarks or other rights. 
31   *
32   *  The copyright holders and contributing author(s) will not be
33   *  liable for any direct, indirect, special or consequential damages
34   *  arising out of any use of the software or documentation, even if
35   *  advised of the possibility of such damage.
36   *
37   *  Permission is hereby granted to use, copy, modify, and distribute
38   *  this source code, or portions hereof, documentation and executables,
39   *  for any purpose, without fee, subject to the following restrictions:
40   *
41   *  1. The origin of this source code must not be misrepresented.
42   *  2. Altered versions must be plainly marked as such and must
43   *     not be misrepresented as being the original source.
44   *  3. This Copyright notice may not be removed or altered from any
45   *     source or altered source distribution.
46   * 
47   *  The copyright holders and contributing author(s) specifically
48   *  permit, without fee, and encourage the use of this source code
49   *  as a component for supporting the Hypertext Markup Language in
50   *  commercial products. If you use this source code in a product,
51   *  acknowledgment is not required but would be appreciated.
52   *
53   */
54  package org.w3c.tidy;
55  
56  import java.io.IOException;
57  import java.io.OutputStream;
58  import java.io.OutputStreamWriter;
59  import java.io.UnsupportedEncodingException;
60  import java.io.Writer;
61  
62  
63  /***
64   * Output implementation using java writers.
65   * @author Fabrizio Giustina
66   * @version $Revision: 1.4 $ ($Author: fgiust $)
67   */
68  public class OutJavaImpl implements Out
69  {
70  
71      /***
72       * Java input stream writer.
73       */
74      private Writer writer;
75  
76      /***
77       * Newline string.
78       */
79      private char[] newline;
80  
81      /***
82       * Constructor.
83       * @param configuration actual configuration instance (needed for newline configuration)
84       * @param encoding encoding name
85       * @param out output stream
86       * @throws UnsupportedEncodingException if the undelining OutputStreamWriter doesn't support the rquested encoding.
87       */
88      public OutJavaImpl(Configuration configuration, String encoding, OutputStream out)
89          throws UnsupportedEncodingException
90      {
91          this.writer = new OutputStreamWriter(out, encoding);
92          this.newline = configuration.newline;
93      }
94  
95      /***
96       * @see org.w3c.tidy.Out#outc(int)
97       */
98      public void outc(int c)
99      {
100         try
101         {
102             writer.write(c);
103         }
104         catch (IOException e)
105         {
106             // @todo throws exception
107             System.err.println("OutJavaImpl.outc: " + e.getMessage());
108         }
109     }
110 
111     /***
112      * @see org.w3c.tidy.Out#outc(byte)
113      */
114     public void outc(byte c)
115     {
116         try
117         {
118             writer.write(c);
119         }
120         catch (IOException e)
121         {
122             // @todo throws exception
123             System.err.println("OutJavaImpl.outc: " + e.getMessage());
124         }
125     }
126 
127     /***
128      * @see org.w3c.tidy.Out#newline()
129      */
130     public void newline()
131     {
132         try
133         {
134             writer.write(this.newline);
135         }
136         catch (IOException e)
137         {
138             // @todo throws exception
139             System.err.println("OutJavaImpl.newline: " + e.getMessage());
140         }
141     }
142 
143     /***
144      * @see org.w3c.tidy.Out#close()
145      */
146     public void close()
147     {
148         try
149         {
150             writer.close();
151         }
152         catch (IOException e)
153         {
154             System.err.println("OutJavaImpl.close: " + e.getMessage());
155         }
156     }
157 
158 }