зеркало из https://github.com/mozilla/gecko-dev.git
73 строки
2.5 KiB
Java
73 строки
2.5 KiB
Java
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/* -*- Mode: java; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Mozilla Public License
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* Version 1.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS"
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
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* the License for the specific language governing rights and limitations
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* under the License.
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*
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* The Original Code is the Grendel mail/news client.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are Copyright (C) 1997
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* Netscape Communications Corporation. All Rights Reserved.
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*
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* Created: Jamie Zawinski <jwz@netscape.com>, 7 Oct 1997.
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*/
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package grendel.mime;
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import calypso.util.ByteBuf;
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/** This class knows how to convert Unicode to and from the MIME encoding
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defined in RFC 2047.
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*/
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class HeaderCharsetDecoder {
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static HeaderCharsetDecoder decoder = null;
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private HeaderCharsetDecoder() { } // only one instance
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static public HeaderCharsetDecoder Get() {
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if (decoder == null)
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synchronized(HeaderCharsetDecoder.class) {
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if (decoder == null)
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decoder = new HeaderCharsetDecoder();
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}
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return decoder;
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}
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/** Converts a ByteBuf of raw header bytes to a StringBuffer of Unicode
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characters, decoding the bytes as per the encoding rules of RFC 2047.
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This is used by getUnicodeHeader().
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@param in The raw bytes to be decoded.
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@param out The resultant Unicode characters.
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@param tokenizable_p Whether the header from which these bytes came
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was a tokenizable header (like "From") or an
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unstructured-text header (like "Subject").
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This information is needed because the decoding
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rules are subtly different for the two types
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of headers.
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*/
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public void mimeToUnicode(ByteBuf in, StringBuffer out,
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boolean tokenizable_p) {
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// #### write me
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byte inb[] = in.toBytes();
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int L = in.length();
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for (int i = 0; i < L; i++)
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out.append((char) inb[i]);
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}
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public void unicodeToMime(String in, ByteBuf out, boolean tokenizable_p) {
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// #### write me
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out.append(in.getBytes());
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}
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}
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