mirror of https://github.com/moparisthebest/k-9
89 lines
2.6 KiB
Java
89 lines
2.6 KiB
Java
/****************************************************************
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* Licensed to the Apache Software Foundation (ASF) under one *
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* or more contributor license agreements. See the NOTICE file *
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* distributed with this work for additional information *
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* regarding copyright ownership. The ASF licenses this file *
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* to you under the Apache License, Version 2.0 (the *
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* "License"); you may not use this file except in compliance *
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* with the License. You may obtain a copy of the License at *
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* *
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* http://www.apache.org/licenses/LICENSE-2.0 *
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* *
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* Unless required by applicable law or agreed to in writing, *
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* software distributed under the License is distributed on an *
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY *
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* KIND, either express or implied. See the License for the *
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* specific language governing permissions and limitations *
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* under the License. *
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****************************************************************/
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package org.apache.james.mime4j.codec;
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import java.io.FilterOutputStream;
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import java.io.IOException;
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import java.io.OutputStream;
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// Taken from Apache Mime4j 0.6
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/**
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* Performs Quoted-Printable encoding on an underlying stream.
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*/
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public class QuotedPrintableOutputStream extends FilterOutputStream
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{
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private static final int DEFAULT_ENCODING_BUFFER_SIZE = 1024;
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private QuotedPrintableEncoder encoder;
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private boolean closed = false;
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public QuotedPrintableOutputStream(OutputStream out, boolean binary)
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{
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super(out);
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encoder = new QuotedPrintableEncoder(DEFAULT_ENCODING_BUFFER_SIZE, binary);
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encoder.initEncoding(out);
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}
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@Override
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public void close() throws IOException
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{
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if (closed)
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{
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return;
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}
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try
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{
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encoder.completeEncoding();
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// do not close the wrapped stream
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}
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finally
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{
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closed = true;
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}
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}
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@Override
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public void flush() throws IOException
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{
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encoder.flushOutput();
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}
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@Override
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public void write(int b) throws IOException
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{
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this.write(new byte[] { (byte) b }, 0, 1);
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}
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@Override
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public void write(byte[] b, int off, int len) throws IOException
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{
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if (closed)
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{
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throw new IOException("QuotedPrintableOutputStream has been closed");
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}
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encoder.encodeChunk(b, off, len);
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}
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}
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