FairEmail/app/src/main/java/eu/faircode/email/QDecoderStreamEx.java

55 lines
1.6 KiB
Java

package eu.faircode.email;
/*
* Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
* Copyright 2018-2022 by Marcel Bokhorst (M66B)
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
import com.sun.mail.util.ASCIIUtility;
import com.sun.mail.util.QPDecoderStream;
import java.io.IOException;
import java.io.InputStream;
public class QDecoderStreamEx extends QPDecoderStream {
private Byte pushed = null;
public QDecoderStreamEx(InputStream in) {
super(in);
}
@Override
public int read() throws IOException {
int c = (pushed == null ? in.read() : pushed);
pushed = null;
if (c == '_')
return ' ';
else if (c == '=') {
ba[0] = (byte) in.read();
ba[1] = (byte) in.read();
try {
return ASCIIUtility.parseInt(ba, 0, 2, 16);
} catch (NumberFormatException ex) {
Log.w(ex);
pushed = ba[1];
return ba[0];
}
} else
return c;
}
}