"use strict";
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/*
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* Copyright (c) 1994, 2010, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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var __extends = (this && this.__extends) || (function () {
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var extendStatics = function (d, b) {
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extendStatics = Object.setPrototypeOf ||
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
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return extendStatics(d, b);
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};
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return function (d, b) {
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extendStatics(d, b);
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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})();
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Object.defineProperty(exports, "__esModule", { value: true });
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// package java.io;
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// import java.util.Arrays;
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var Arrays_1 = require("./Arrays");
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var OutputStream_1 = require("./OutputStream");
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var Integer_1 = require("./Integer");
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var IllegalArgumentException_1 = require("../IllegalArgumentException");
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var OutOfMemoryError_1 = require("../OutOfMemoryError");
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var System_1 = require("./System");
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var IndexOutOfBoundsException_1 = require("../IndexOutOfBoundsException");
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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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var ByteArrayOutputStream = /** @class */ (function (_super) {
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__extends(ByteArrayOutputStream, _super);
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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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// public constructor() {
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// this(32);
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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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function ByteArrayOutputStream(size) {
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if (size === void 0) { size = 32; }
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var _this = _super.call(this) || this;
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/**
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* The number of valid bytes in the buffer.
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*/
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_this.count = 0;
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if (size < 0) {
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throw new IllegalArgumentException_1.default('Negative initial size: '
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+ size);
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}
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_this.buf = new Uint8Array(size);
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return _this;
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}
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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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ByteArrayOutputStream.prototype.ensureCapacity = function (minCapacity) {
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// overflow-conscious code
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if (minCapacity - this.buf.length > 0)
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this.grow(minCapacity);
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};
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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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ByteArrayOutputStream.prototype.grow = function (minCapacity) {
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// overflow-conscious code
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var oldCapacity = this.buf.length;
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var newCapacity = oldCapacity << 1;
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if (newCapacity - minCapacity < 0)
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newCapacity = minCapacity;
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if (newCapacity < 0) {
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if (minCapacity < 0) // overflow
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throw new OutOfMemoryError_1.default();
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newCapacity = Integer_1.default.MAX_VALUE;
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}
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this.buf = Arrays_1.default.copyOfUint8Array(this.buf, newCapacity);
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};
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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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ByteArrayOutputStream.prototype.write = function (b) {
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this.ensureCapacity(this.count + 1);
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this.buf[this.count] = /*(byte)*/ b;
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this.count += 1;
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};
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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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ByteArrayOutputStream.prototype.writeBytesOffset = function (b, off, len) {
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if ((off < 0) || (off > b.length) || (len < 0) ||
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((off + len) - b.length > 0)) {
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throw new IndexOutOfBoundsException_1.default();
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}
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this.ensureCapacity(this.count + len);
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System_1.default.arraycopy(b, off, this.buf, this.count, len);
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this.count += len;
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};
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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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ByteArrayOutputStream.prototype.writeTo = function (out) {
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out.writeBytesOffset(this.buf, 0, this.count);
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};
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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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ByteArrayOutputStream.prototype.reset = function () {
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this.count = 0;
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};
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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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ByteArrayOutputStream.prototype.toByteArray = function () {
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return Arrays_1.default.copyOfUint8Array(this.buf, this.count);
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};
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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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ByteArrayOutputStream.prototype.size = function () {
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return this.count;
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};
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ByteArrayOutputStream.prototype.toString = function (param) {
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if (!param) {
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return this.toString_void();
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}
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if (typeof param === 'string') {
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return this.toString_string(param);
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}
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return this.toString_number(param);
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};
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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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ByteArrayOutputStream.prototype.toString_void = function () {
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return new String(this.buf /*, 0, this.count*/).toString();
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};
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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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ByteArrayOutputStream.prototype.toString_string = function (charsetName) {
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return new String(this.buf /*, 0, this.count, charsetName*/).toString();
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};
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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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// @Deprecated
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ByteArrayOutputStream.prototype.toString_number = function (hibyte) {
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return new String(this.buf /*, hibyte, 0, this.count*/).toString();
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};
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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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ByteArrayOutputStream.prototype.close = function () {
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};
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return ByteArrayOutputStream;
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}(OutputStream_1.default));
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exports.default = ByteArrayOutputStream;
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