01: /*
02: * Copyright 2003 Paulo Soares
03: *
04: * The contents of this file are subject to the Mozilla Public License Version 1.1
05: * (the "License"); you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at http://www.mozilla.org/MPL/
07: *
08: * Software distributed under the License is distributed on an "AS IS" basis,
09: * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
10: * for the specific language governing rights and limitations under the License.
11: *
12: * The Original Code is 'iText, a free JAVA-PDF library'.
13: *
14: * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
15: * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
16: * All Rights Reserved.
17: * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
18: * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
19: *
20: * Contributor(s): all the names of the contributors are added in the source code
21: * where applicable.
22: *
23: * Alternatively, the contents of this file may be used under the terms of the
24: * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
25: * provisions of LGPL are applicable instead of those above. If you wish to
26: * allow use of your version of this file only under the terms of the LGPL
27: * License and not to allow others to use your version of this file under
28: * the MPL, indicate your decision by deleting the provisions above and
29: * replace them with the notice and other provisions required by the LGPL.
30: * If you do not delete the provisions above, a recipient may use your version
31: * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
32: *
33: * This library is free software; you can redistribute it and/or modify it
34: * under the terms of the MPL as stated above or under the terms of the GNU
35: * Library General Public License as published by the Free Software Foundation;
36: * either version 2 of the License, or any later version.
37: *
38: * This library is distributed in the hope that it will be useful, but WITHOUT
39: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
40: * FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
41: * details.
42: *
43: * If you didn't download this code from the following link, you should check if
44: * you aren't using an obsolete version:
45: * http://www.lowagie.com/iText/
46: */
47:
48: package com.lowagie.text.pdf;
49:
50: /**
51: * Classes implementing this interface can create custom encodings or
52: * replace existing ones. It is used in the context of <code>PdfEncoding</code>.
53: * @author Paulo Soares (psoares@consiste.pt)
54: */
55: public interface ExtraEncoding {
56:
57: /**
58: * Converts an Unicode string to a byte array according to some encoding.
59: * @param text the Unicode string
60: * @param encoding the requested encoding. It's mainly of use if the same class
61: * supports more than one encoding.
62: * @return the conversion or <CODE>null</CODE> if no conversion is supported
63: */
64: public byte[] charToByte(String text, String encoding);
65:
66: /**
67: * Converts an Unicode char to a byte array according to some encoding.
68: * @param char1 the Unicode char
69: * @param encoding the requested encoding. It's mainly of use if the same class
70: * supports more than one encoding.
71: * @return the conversion or <CODE>null</CODE> if no conversion is supported
72: */
73: public byte[] charToByte(char char1, String encoding);
74:
75: /**
76: * Converts a byte array to an Unicode string according to some encoding.
77: * @param b the input byte array
78: * @param encoding the requested encoding. It's mainly of use if the same class
79: * supports more than one encoding.
80: * @return the conversion or <CODE>null</CODE> if no conversion is supported
81: */
82: public String byteToChar(byte b[], String encoding);
83: }
|