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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.commons.codec.binary;

import java.io.OutputStream;

/**
 * Provides Base32 encoding and decoding in a streaming fashion (unlimited size). When encoding the default lineLength
 * is 76 characters and the default lineEnding is CRLF, but these can be overridden by using the appropriate
 * constructor.
 * 

* The default behaviour of the Base32OutputStream is to ENCODE, whereas the default behaviour of the Base32InputStream * is to DECODE. But this behaviour can be overridden by using a different constructor. *

*

* Since this class operates directly on byte streams, and not character streams, it is hard-coded to only encode/decode * character encodings which are compatible with the lower 127 ASCII chart (ISO-8859-1, Windows-1252, UTF-8, etc). *

*

* Note: It is mandatory to close the stream after the last byte has been written to it, otherwise the * final padding will be omitted and the resulting data will be incomplete/inconsistent. *

* * @version $Id: Base32OutputStream.java 1635952 2014-11-01 14:19:04Z tn $ * @see RFC 4648 * @since 1.5 */ public class Base32OutputStream extends BaseNCodecOutputStream { /** * Creates a Base32OutputStream such that all data written is Base32-encoded to the original provided OutputStream. * * @param out * OutputStream to wrap. */ public Base32OutputStream(final OutputStream out) { this(out, true); } /** * Creates a Base32OutputStream such that all data written is either Base32-encoded or Base32-decoded to the * original provided OutputStream. * * @param out * OutputStream to wrap. * @param doEncode * true if we should encode all data written to us, false if we should decode. */ public Base32OutputStream(final OutputStream out, final boolean doEncode) { super(out, new Base32(false), doEncode); } /** * Creates a Base32OutputStream such that all data written is either Base32-encoded or Base32-decoded to the * original provided OutputStream. * * @param out * OutputStream to wrap. * @param doEncode * true if we should encode all data written to us, false if we should decode. * @param lineLength * If doEncode is true, each line of encoded data will contain lineLength characters (rounded down to * nearest multiple of 4). If lineLength <= 0, the encoded data is not divided into lines. If doEncode * is false, lineLength is ignored. * @param lineSeparator * If doEncode is true, each line of encoded data will be terminated with this byte sequence (e.g. \r\n). * If lineLength <= 0, the lineSeparator is not used. If doEncode is false lineSeparator is ignored. */ public Base32OutputStream(final OutputStream out, final boolean doEncode, final int lineLength, final byte[] lineSeparator) { super(out, new Base32(lineLength, lineSeparator), doEncode); } }




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