import OutputStream from './OutputStream';
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import { int } from '../../customTypings';
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/**
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* This class implements an output stream in which the data is
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* written into a byte array. The buffer automatically grows as data
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* is written to it.
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* The data can be retrieved using <code>toByteArray()</code> and
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* <code>toString()</code>.
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* <p>
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* Closing a <tt>ByteArrayOutputStream</tt> has no effect. The methods in
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* this class can be called after the stream has been closed without
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* generating an <tt>IOException</tt>.
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*
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* @author Arthur van Hoff
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* @since JDK1.0
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*/
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export default class ByteArrayOutputStream extends OutputStream {
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/**
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* The buffer where data is stored.
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*/
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protected buf: Uint8Array;
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/**
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* The number of valid bytes in the buffer.
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*/
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protected count: int;
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/**
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* Creates a new byte array output stream. The buffer capacity is
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* initially 32 bytes, though its size increases if necessary.
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*/
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/**
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* Creates a new byte array output stream, with a buffer capacity of
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* the specified size, in bytes.
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*
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* @param size the initial size.
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* @exception IllegalArgumentException if size is negative.
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*/
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constructor(size?: int);
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/**
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* Increases the capacity if necessary to ensure that it can hold
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* at least the number of elements specified by the minimum
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* capacity argument.
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*
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* @param minCapacity the desired minimum capacity
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* @throws OutOfMemoryError if {@code minCapacity < 0}. This is
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* interpreted as a request for the unsatisfiably large capacity
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* {@code (long) Integer.MAX_VALUE + (minCapacity - Integer.MAX_VALUE)}.
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*/
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private ensureCapacity;
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/**
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* Increases the capacity to ensure that it can hold at least the
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* number of elements specified by the minimum capacity argument.
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*
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* @param minCapacity the desired minimum capacity
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*/
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private grow;
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/**
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* Writes the specified byte to this byte array output stream.
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*
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* @param b the byte to be written.
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*/
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write(b: int): void;
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/**
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* Writes <code>len</code> bytes from the specified byte array
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* starting at offset <code>off</code> to this byte array output stream.
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*
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* @param b the data.
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* @param off the start offset in the data.
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* @param len the number of bytes to write.
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*/
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writeBytesOffset(b: Uint8Array, off: int, len: int): void;
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/**
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* Writes the complete contents of this byte array output stream to
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* the specified output stream argument, as if by calling the output
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* stream's write method using <code>out.write(buf, 0, count)</code>.
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*
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* @param out the output stream to which to write the data.
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* @exception IOException if an I/O error occurs.
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*/
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writeTo(out: OutputStream): void;
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/**
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* Resets the <code>count</code> field of this byte array output
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* stream to zero, so that all currently accumulated output in the
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* output stream is discarded. The output stream can be used again,
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* reusing the already allocated buffer space.
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*
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* @see java.io.ByteArrayInputStream#count
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*/
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reset(): void;
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/**
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* Creates a newly allocated byte array. Its size is the current
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* size of this output stream and the valid contents of the buffer
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* have been copied into it.
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*
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* @return the current contents of this output stream, as a byte array.
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* @see java.io.ByteArrayOutputStream#size()
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*/
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toByteArray(): Uint8Array;
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/**
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* Returns the current size of the buffer.
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*
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* @return the value of the <code>count</code> field, which is the number
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* of valid bytes in this output stream.
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* @see java.io.ByteArrayOutputStream#count
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*/
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size(): int;
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toString(param?: number | string): string;
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/**
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* Converts the buffer's contents into a string decoding bytes using the
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* platform's default character set. The length of the new <tt>String</tt>
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* is a function of the character set, and hence may not be equal to the
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* size of the buffer.
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*
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* <p> This method always replaces malformed-input and unmappable-character
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* sequences with the default replacement string for the platform's
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* default character set. The {@linkplain java.nio.charset.CharsetDecoder}
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* class should be used when more control over the decoding process is
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* required.
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*
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* @return String decoded from the buffer's contents.
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* @since JDK1.1
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*/
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toString_void(): string;
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/**
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* Converts the buffer's contents into a string by decoding the bytes using
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* the specified {@link java.nio.charset.Charset charsetName}. The length of
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* the new <tt>String</tt> is a function of the charset, and hence may not be
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* equal to the length of the byte array.
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*
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* <p> This method always replaces malformed-input and unmappable-character
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* sequences with this charset's default replacement string. The {@link
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* java.nio.charset.CharsetDecoder} class should be used when more control
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* over the decoding process is required.
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*
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* @param charsetName the name of a supported
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* {@linkplain java.nio.charset.Charset </code>charset<code>}
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* @return String decoded from the buffer's contents.
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* @exception UnsupportedEncodingException
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* If the named charset is not supported
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* @since JDK1.1
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*/
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toString_string(charsetName: string): string;
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/**
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* Creates a newly allocated string. Its size is the current size of
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* the output stream and the valid contents of the buffer have been
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* copied into it. Each character <i>c</i> in the resulting string is
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* constructed from the corresponding element <i>b</i> in the byte
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* array such that:
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* <blockquote><pre>
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* c == (char)(((hibyte & 0xff) << 8) | (b & 0xff))
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* </pre></blockquote>
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*
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* @deprecated This method does not properly convert bytes into characters.
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* As of JDK 1.1, the preferred way to do this is via the
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* <code>toString(String enc)</code> method, which takes an encoding-name
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* argument, or the <code>toString()</code> method, which uses the
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* platform's default character encoding.
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*
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* @param hibyte the high byte of each resulting Unicode character.
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* @return the current contents of the output stream, as a string.
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* @see java.io.ByteArrayOutputStream#size()
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* @see java.io.ByteArrayOutputStream#toString(String)
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* @see java.io.ByteArrayOutputStream#toString()
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*/
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toString_number(hibyte: int): string;
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/**
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* Closing a <tt>ByteArrayOutputStream</tt> has no effect. The methods in
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* this class can be called after the stream has been closed without
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* generating an <tt>IOException</tt>.
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* <p>
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*
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* @throws IOException
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*/
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close(): void;
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}
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