/**
* Copyright (c) 2010-2013, openHAB.org and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*/
package org.openhab.binding.insteonplm.internal.utils;
import org.openhab.binding.insteonplm.internal.device.InsteonAddress;
import org.openhab.binding.insteonplm.internal.message.DataType;
/**
* Various utility functions for e.g. hex string parsing
* @author Daniel Pfrommer
* @since 1.5.0
*/
public class Utils {
public static String getHexString(int b) {
String result = String.format("%02X", b & 0xFF);
return result;
}
public static String getHexString(byte[] b) {
return getHexString(b, b.length);
}
public static String getHexString(byte[] b, int len) {
String result = "";
for (int i=0; i < b.length && i < len; i++) {
result += String.format("%02X ", b[i] & 0xFF);
}
return result;
}
public static int fromHexString(String string) {
return Integer.parseInt(string, 16);
}
public static int from0xHexString(String string) {
String hex = string.substring(2);
return fromHexString(hex);
}
public static String getHexByte(byte b) {
return String.format("0x%02X", b & 0xFF);
}
public static String getHexByte(int b) {
return String.format("0x%02X", b);
}
public static class DataTypeParser {
public static Object s_parseDataType(DataType type, String val) {
switch(type) {
case BYTE: return s_parseByte(val);
case INT: return s_parseInt(val);
case FLOAT: return s_parseFloat(val);
case ADDRESS: return s_parseAddress(val);
default : throw new IllegalArgumentException("Data Type not implemented in Field Value Parser!");
}
}
public static byte s_parseByte(String val) {
if (val != null && !val.trim().equals("")) {
return (byte) Utils.from0xHexString(val.trim());
} else return 0x00;
}
public static int s_parseInt(String val) {
if (val != null && !val.trim().equals("")) {
return Integer.parseInt(val);
} else return 0x00;
}
public static float s_parseFloat(String val) {
if (val != null && !val.trim().equals("")) {
return Float.parseFloat(val.trim());
} else return 0;
}
public static InsteonAddress s_parseAddress(String val) {
if (val != null && !val.trim().equals("")) {
return InsteonAddress.s_parseAddress(val.trim());
} else return new InsteonAddress();
}
}
/**
* Exception to indicate various xml parsing errors.
*/
@SuppressWarnings("serial")
public static class ParsingException extends Exception {
public ParsingException(String msg) {
super(msg);
}
public ParsingException(String msg, Throwable cause) {
super(msg, cause);
}
}
}