/*
* DBeaver - Universal Database Manager
* Copyright (C) 2010-2017 Serge Rider (serge@jkiss.org)
*
* 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.jkiss.dbeaver.model.impl.data.formatters;
import org.jkiss.dbeaver.model.data.DBDBinaryFormatter;
import org.jkiss.dbeaver.utils.GeneralUtils;
/**
* Hex formatter
*/
public class BinaryFormatterHex implements DBDBinaryFormatter {
public static final BinaryFormatterHex INSTANCE = new BinaryFormatterHex();
@Override
public String getId()
{
return "hex";
}
@Override
public String getTitle()
{
return "Hex";
}
@Override
public String toString(byte[] bytes, int offset, int length)
{
return new String(toHexChars(bytes, offset, length));
}
protected static char[] toHexChars(byte[] bytes, int offset, int length) {
char[] chars = new char[length * 2];
for (int i = 0; i < length; i++) {
String hex = GeneralUtils.byteToHex[bytes[offset + i] & 0x0ff];
chars[i * 2] = hex.charAt(0);
chars[i * 2 + 1] = hex.charAt(1);
}
return chars;
}
@Override
public byte[] toBytes(String string)
{
int length = string.length();
if (length > 0 && length % 2 != 0) {
length--;
}
byte bytes[] = new byte[length / 2];
for (int i = 0; i < length; i += 2) {
bytes[i / 2] = (byte) ((Character.digit(string.charAt(i), 16) << 4)
+ Character.digit(string.charAt(i + 1), 16));
}
return bytes;
}
}