Returns the given Charset or the default Charset if the given Charset is null. @param charset A charset or null. @return the given Charset

Closes an <code>Reader</code> unconditionally. <p/> Equivalent to {@link Reader#close()}, except any exceptions will be ignored. This is typically use

Calls {@link String#getBytes(Charset)} @param string The string to encode (if null, return null). @param charset The {@link Cha

Encodes binary data using the base64 algorithm but does not chunk the output. @param binaryData binary data to encode @return byte[] conta

Returns a String useful for debugging (especially within a debugger.) @return a String useful for debugging.

Closes a URLConnection. @param conn the connection to close. @since 2.4

Copies bytes from an <code>InputStream</code> to an <code>OutputStream</code>. <p/> This method buffers the input internally, so there is no need to u

@param key @return String mapping id

Constructs a new <code>String</code> by decoding the specified array of bytes using the UTF-8 charset. @param bytes The bytes to be decode

TODO type >>> 16 = real type , so how to fix it @param type @param value

Returns the given reader if it is a {@link BufferedReader}, otherwise creates a BufferedReader from the given reader. @param reader the reader to wra

Ensure that the buffer has room for <code>size</code> bytes @param size minimum spare space required @param context the context to be used @return th

Copies bytes from a large (over 2GB) <code>InputStream</code> to an <code>OutputStream</code>. <p/> This method buffers the input internally, so there

提取文件 @param file zip 文件 @param entryFiles zip 中文件相对路径 @param recFiles 提取输出文件路径

Encodes the given string into a sequence of bytes using the UTF-8 charset, storing the result into a new byte array. @param string the Str

Reads characters from an input character stream. This implementation guarantees that it will read as many characters as possible before giving up; thi

Skips bytes from an input byte stream. This implementation guarantees that it will read as many bytes as possible before giving up; this may not alway

Gets the contents of an <code>InputStream</code> as a <code>byte[]</code>. <p/> This method buffers the input internally, so there is no need to use a

Prepare() should be called, if any resource has changes. @param os @throws IOException

Decodes an "encoded" Object and returns a "decoded" Object. Note that the implementation of this interface will try to cast the Object parameter to th

Decodes a Base64 String into octets. <p> <b>Note:</b> this method seamlessly handles data encoded in URL-safe or normal mode. </p> @param base64Strin

Encodes an Object using the Base-N algorithm. This method is provided in order to satisfy the requirements of the Encoder interface, and will throw an

Checks if a byte value is whitespace or not. Whitespace is taken to mean: space, tab, CR, LF @param byteToCheck the byte to check @return t

Extracts buffered data into the provided byte[] array, starting at position bPos, up to a maximum of bAvail bytes. Returns how many bytes were actuall

Skips the requested number of bytes or fail if there are not enough left. <p> This allows for the possibility that {@link InputStream#skip(long)} may

Gets the contents of an <code>InputStream</code> as a character array using the default character encoding of the platform. <p/> This method buffers t

Add the hash(es) of every file to the manifest, creating it if necessary.

Returns the amount of buffered data available for reading. @param context the context to be used @return The amount of buffered data available for re

Tests a given byte array to see if it contains any characters within the alphabet or PAD. Intended for use in checking line-ending arrays @param arr

Copy all the files in a manifest from input to output. We set the modification times in the output to a fixed time, so as to reduce variation in the

@param file