1 //
2 // ========================================================================
3 // Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
4 // ------------------------------------------------------------------------
5 // All rights reserved. This program and the accompanying materials
6 // are made available under the terms of the Eclipse Public License v1.0
7 // and Apache License v2.0 which accompanies this distribution.
8 //
9 // The Eclipse Public License is available at
10 // http://www.eclipse.org/legal/epl-v10.html
11 //
12 // The Apache License v2.0 is available at
13 // http://www.opensource.org/licenses/apache2.0.php
14 //
15 // You may elect to redistribute this code under either of these licenses.
16 // ========================================================================
17 //
18
19 package org.eclipse.jetty.server;
20
21 import java.io.IOException;
22 import java.io.OutputStreamWriter;
23 import java.io.UnsupportedEncodingException;
24 import java.io.Writer;
25
26 /**
27 *
28 */
29 public class EncodingHttpWriter extends HttpWriter
30 {
31 final Writer _converter;
32
33 /* ------------------------------------------------------------ */
34 public EncodingHttpWriter(HttpOutput out, String encoding)
35 {
36 super(out);
37 try
38 {
39 _converter = new OutputStreamWriter(_bytes, encoding);
40 }
41 catch (UnsupportedEncodingException e)
42 {
43 throw new RuntimeException(e);
44 }
45 }
46
47 /* ------------------------------------------------------------ */
48 @Override
49 public void write (char[] s,int offset, int length) throws IOException
50 {
51 HttpOutput out = _out;
52 if (length==0 && out.isAllContentWritten())
53 {
54 out.close();
55 return;
56 }
57
58 while (length > 0)
59 {
60 _bytes.reset();
61 int chars = length>MAX_OUTPUT_CHARS?MAX_OUTPUT_CHARS:length;
62
63 _converter.write(s, offset, chars);
64 _converter.flush();
65 _bytes.writeTo(out);
66 length-=chars;
67 offset+=chars;
68 }
69 }
70 }