| /* Copyright (c) 2001-2010, The HSQL Development Group |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * Redistributions of source code must retain the above copyright notice, this |
| * list of conditions and the following disclaimer. |
| * |
| * Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * |
| * Neither the name of the HSQL Development Group nor the names of its |
| * contributors may be used to endorse or promote products derived from this |
| * software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG, |
| * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| |
| package org.hsqldb.lib; |
| |
| import java.io.EOFException; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.io.Reader; |
| |
| /** |
| * A wrapper for OutputStream |
| * |
| * @author Fred Toussi (fredt@users dot sourceforge.net) |
| * @version 1.9.0 |
| * @since 1.9.0 |
| */ |
| public class DataOutputStream extends java.io.BufferedOutputStream { |
| |
| byte[] tempBuffer = new byte[8]; |
| |
| public DataOutputStream(OutputStream stream) { |
| super(stream, 8); |
| } |
| |
| public final void writeByte(int v) throws IOException { |
| write(v); |
| } |
| |
| public final void writeInt(int v) throws IOException { |
| |
| int count = 0; |
| |
| tempBuffer[count++] = (byte) (v >>> 24); |
| tempBuffer[count++] = (byte) (v >>> 16); |
| tempBuffer[count++] = (byte) (v >>> 8); |
| tempBuffer[count++] = (byte) v; |
| |
| write(tempBuffer, 0, count); |
| } |
| |
| public final void writeLong(long v) throws IOException { |
| writeInt((int) (v >>> 32)); |
| writeInt((int) v); |
| } |
| |
| public void writeChar(int v) throws IOException { |
| |
| int count = 0; |
| |
| tempBuffer[count++] = (byte) (v >>> 8); |
| tempBuffer[count++] = (byte) v; |
| |
| write(tempBuffer, 0, count); |
| } |
| |
| public void writeChars(String s) throws IOException { |
| |
| int len = s.length(); |
| |
| for (int i = 0; i < len; i++) { |
| int v = s.charAt(i); |
| int count = 0; |
| |
| tempBuffer[count++] = (byte) (v >>> 8); |
| tempBuffer[count++] = (byte) v; |
| |
| write(tempBuffer, 0, count); |
| } |
| } |
| |
| public void writeChars(char[] c) throws IOException { |
| writeChars(c, c.length); |
| } |
| |
| public void writeChars(char[] c, int length) throws IOException { |
| |
| for (int i = 0; i < length; i++) { |
| int v = c[i]; |
| int count = 0; |
| |
| tempBuffer[count++] = (byte) (v >>> 8); |
| tempBuffer[count++] = (byte) v; |
| |
| write(tempBuffer, 0, count); |
| } |
| } |
| |
| public void write(Reader reader, long length) throws IOException { |
| |
| InputStream inputStream = new ReaderInputStream(reader); |
| |
| write(inputStream, length * 2); |
| } |
| |
| public void write(InputStream inputStream, |
| long length) throws IOException { |
| |
| CountdownInputStream countStream = |
| new CountdownInputStream(inputStream); |
| |
| countStream.setCount(length); |
| |
| byte[] data = new byte[128]; |
| |
| while (true) { |
| int count = countStream.read(data); |
| |
| if (count < 1) { |
| if (countStream.getCount() != 0) { |
| throw new EOFException(); |
| } |
| |
| break; |
| } |
| |
| write(data, 0, count); |
| } |
| } |
| } |