Apache Commons Codec Source Code

Apache Commons Codec library provides implementations of common encoders and decoders such as Base64, Hex, Phonetic and URLs.

Apache Commons Codec Source Code files are provided in both binary packge (commons-codec-3.15-bin.zip) and source package (commons-codec-3.15-src.zip). You can download them at Apache Commons Codec Website.

Apache Commons Codec Source Code has no dependencies. You can compile it to generate your own version of Apache Commons Codec JAR file.

The source code of Apache Commons Codec 1.15 is provided below:

✍: FYIcenter

org/apache/commons/codec/binary/Base16InputStream.java

/*
 * 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 org.apache.commons.codec.CodecPolicy;

import java.io.InputStream;

/**
 * Provides Base16 encoding and decoding in a streaming fashion (unlimited size).
 * <p>
 * The default behavior of the Base16InputStream is to DECODE, whereas the default behavior of the
 * {@link Base16OutputStream} is to ENCODE, but this behavior can be overridden by using a different constructor.
 * </p>
 *
 * @since 1.15
 */
public class Base16InputStream extends BaseNCodecInputStream {

    /**
     * Creates a Base16InputStream such that all data read is Base16-decoded from the original provided InputStream.
     *
     * @param in InputStream to wrap.
     */
    public Base16InputStream(final InputStream in) {
        this(in, false);
    }

    /**
     * Creates a Base16InputStream such that all data read is either Base16-encoded or Base16-decoded from the original
     * provided InputStream.
     *
     * @param in InputStream to wrap.
     * @param doEncode true if we should encode all data read from us, false if we should decode.
     */
    public Base16InputStream(final InputStream in, final boolean doEncode) {
        this(in, doEncode, false);
    }

    /**
     * Creates a Base16InputStream such that all data read is either Base16-encoded or Base16-decoded from the original
     * provided InputStream.
     *
     * @param in InputStream to wrap.
     * @param doEncode true if we should encode all data read from us, false if we should decode.
     * @param lowerCase if {@code true} then use a lower-case Base16 alphabet.
     */
    public Base16InputStream(final InputStream in, final boolean doEncode,
            final boolean lowerCase) {
        this(in, doEncode, lowerCase, CodecPolicy.LENIENT);
    }

    /**
     * Creates a Base16InputStream such that all data read is either Base16-encoded or Base16-decoded from the original
     * provided InputStream.
     *
     * @param in InputStream to wrap.
     * @param doEncode true if we should encode all data read from us, false if we should decode.
     * @param lowerCase if {@code true} then use a lower-case Base16 alphabet.
     * @param decodingPolicy Decoding policy.
     */
    public Base16InputStream(final InputStream in, final boolean doEncode,
            final boolean lowerCase, final CodecPolicy decodingPolicy) {
        super(in, new Base16(lowerCase, decodingPolicy), doEncode);
    }
}

org/apache/commons/codec/binary/Base16InputStream.java

 

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