/* Copyright (c) 2001-2002, 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 net.jumperz.ext.org.hsqldb.lib;import java.io.IOException;import java.io.InputStream;/** * minimal InputStream subclass to fetch bytes form a String * * @author fredt@users.sourceforge.net * @version 1.7.0 */public class StringInputStream extends InputStream {    protected int    strOffset  = 0;    protected int    charOffset = 0;    protected int    available;    protected String str;    public StringInputStream(String s) {        str       = s;        available = s.length() * 2;    }    public int read() throws java.io.IOException {        if (available == 0) {            return -1;//            throw new java.io.IOException("no more bytes");        }        available--;        char c = str.charAt(strOffset);        if (charOffset == 0) {            charOffset = 1;            return (c & 0x0000ff00) >> 8;        } else {            charOffset = 0;            strOffset++;            return c & 0x000000ff;        }    }    public int available() throws IOException {        return available;    }}