/* * ByteGetter.java *  * PostGIS extension for PostgreSQL JDBC driver - Binary Parser *  * (C) 2005 Markus Schaber, markus.schaber@logix-tt.com *  * This library is free software; you can redistribute it and/or modify it under * the terms of the GNU Lesser General Public License as published by the Free * Software Foundation, either version 2.1 of the License. *  * This library is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more * details. *  * You should have received a copy of the GNU Lesser General Public License * along with this library; if not, write to the Free Software Foundation, Inc., * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA or visit the web at * http://www.gnu.org. *  * $Id: ByteSetter.java 1729 2005-05-25 10:08:56Z mschaber $ */package org.postgis.binary;public abstract class ByteSetter {    /**     * Set a byte.     *      */    public abstract void set(byte b, int index);    public static class BinaryByteSetter extends ByteSetter {        private byte[] array;        public BinaryByteSetter(int length) {            this.array = new byte[length];        }        public void set(byte b, int index) {            array[index] = b; // mask out sign-extended bits.        }        public byte[] result() {            return array;        }                public String toString() {            char[] arr = new char[array.length];            for (int i=0; i<array.length; i++) {                arr[i] = (char)(array[i]&0xFF);            }            return new String(arr);        }    }    public static class StringByteSetter extends ByteSetter {        protected static final char[] hextypes = "0123456789ABCDEF".toCharArray();        private char[] rep;        public StringByteSetter(int length) {            this.rep = new char[length * 2];        }        public void set(byte b, int index) {            index *= 2;            rep[index] = hextypes[(b >>> 4) & 0xF];            rep[index + 1] = hextypes[b & 0xF];        }        public char[] resultAsArray() {            return rep;        }        public String result() {            return new String(rep);        }                public String toString() {            return new String(rep);        }    }}