| /* |
| * Copyright 2001-2004 The Apache Software Foundation. |
| * |
| * Licensed 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.axis.components.encoding; |
| |
| import java.io.UnsupportedEncodingException; |
| |
| /** |
| * |
| * Simple byte array with variable array length, used within the |
| * XMLEncoder. |
| * |
| * It is used as a ByteArrayOutputStream replacement to limit |
| * the size of created temporary objects |
| * |
| * |
| * @author <a href="mailto:jens@void.fm">Jens Schumann</a> |
| */ |
| class EncodedByteArray { |
| private byte[] array = null; |
| private int pointer; |
| |
| private final double PADDING = 1.5; |
| |
| public EncodedByteArray(byte[] bytes, int startPos, int length) { |
| // string length will be at least the size of the byte array |
| array = new byte[(int) (bytes.length * PADDING)]; |
| System.arraycopy(bytes, startPos, array, 0, length); |
| pointer = length; |
| } |
| |
| public EncodedByteArray(int size) { |
| array = new byte[size]; |
| } |
| |
| public void append(int aByte) { |
| if (pointer + 1 >= array.length) { |
| byte[] newArray = new byte[(int) (array.length * PADDING)]; |
| System.arraycopy(array, 0, newArray, 0, pointer); |
| array = newArray; |
| } |
| array[pointer] = (byte) aByte; |
| pointer++; |
| } |
| |
| public void append(byte[] byteArray) { |
| if (pointer + byteArray.length >= array.length) { |
| byte[] newArray = new byte[((int)(array.length * PADDING)) + byteArray.length]; |
| System.arraycopy(array, 0, newArray, 0, pointer); |
| array = newArray; |
| } |
| |
| System.arraycopy(byteArray, 0, array, pointer, byteArray.length); |
| pointer += byteArray.length; |
| } |
| |
| public void append(byte[] byteArray, int pos, int length) { |
| if (pointer + length >= array.length) { |
| byte[] newArray = new byte[((int) (array.length * PADDING)) + byteArray.length]; |
| System.arraycopy(array, 0, newArray, 0, pointer); |
| array = newArray; |
| } |
| System.arraycopy(byteArray, pos, array, pointer, length); |
| pointer += length; |
| } |
| |
| /** |
| * convert to a string using the platform's default charset |
| * @return string |
| */ |
| public String toString() { |
| return new String(array, 0, pointer); |
| } |
| |
| /** |
| * convert the encoded byte array to a string according to the given charset |
| * @param charsetName |
| * @return string |
| * @throws UnsupportedEncodingException |
| */ |
| public String toString(String charsetName) throws UnsupportedEncodingException { |
| return new String(array, 0, pointer, charsetName); |
| } |
| } |