73 lines
2.6 KiB
Java
73 lines
2.6 KiB
Java
/*
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* DavMail POP/IMAP/SMTP/CalDav/LDAP Exchange Gateway
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* Copyright (C) 2009 Mickael Guessant
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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package davmail.exchange;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.Reader;
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/**
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* ICS Buffered Reader.
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* Read events by line, handle multiple line elements
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*/
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public class ICSBufferedReader extends BufferedReader {
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protected String nextLine;
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protected final StringBuilder currentLine = new StringBuilder(75);
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/**
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* Create an ICS reader on the provided reader
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*
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* @param in input reader
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* @throws IOException on error
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*/
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public ICSBufferedReader(Reader in) throws IOException {
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super(in);
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nextLine = super.readLine();
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}
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/**
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* Read a line from input reader, unwrap long lines.
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*/
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@Override
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public String readLine() throws IOException {
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if (nextLine == null) {
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return null;
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} else {
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currentLine.setLength(0);
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currentLine.append(nextLine);
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nextLine = super.readLine();
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while (nextLine != null && !(nextLine.length() == 0) &&
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(nextLine.charAt(0) == ' ' || nextLine.charAt(0) == '\t'
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// workaround for broken items with \n as first line character
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|| nextLine.charAt(0) == '\\'
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// workaround for Exchange 2010 bug
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|| nextLine.charAt(0) == ':')) {
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// Timezone ends with \n => next line starts with :
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if (nextLine.charAt(0) == ':') {
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currentLine.append(nextLine);
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} else {
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currentLine.append(nextLine.substring(1));
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}
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nextLine = super.readLine();
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}
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return currentLine.toString();
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}
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}
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}
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