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ConvertValue.dart
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ConvertValue.dart
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/*
* Copyright (c) 2015, Michael Mitterer (office@mikemitterer.at),
* IT-Consulting and Development Limited.
*
* All Rights Reserved.
*
* 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.
*/
part of m4d_utils;
/// Converts dynamic values to strong-typed values
class ConvertValue {
//final Logger _logger = new Logger('mdlcore.ConvertValue');
static bool toBool(final value) {
if(value == null) {
return false;
}
if(value is bool) {
return value;
}
if(value is num) {
return value.toInt() == 1;
}
final String stringvalue = "$value".toLowerCase();
return stringvalue == "true" || stringvalue == "on" || stringvalue == "1" || stringvalue == "yes";
}
static int toInt(final value) {
if(value == null) {
return 0;
}
if(value is int) {
return value;
}
if(value is num) {
return value.toInt();
}
final String stringvalue = "$value".toLowerCase();
return num.parse(stringvalue).toInt();
}
static double toDouble(final value) {
if(value == null) {
return 0.0;
}
if(value is double) {
return value;
}
if(value is num) {
return value.toDouble();
}
final String stringvalue = "$value".toLowerCase();
return num.parse(stringvalue).toDouble();
}
static String toStringValue(final value) {
if(value == null) {
return "";
}
return value.toString();
}
/// Removes ' and " around the give value
/// and converts [value] to String
static String toSanitizeString(final value) {
return "$value".trim().replaceAll(new RegExp(r"(^'|'$)"),"").replaceAll(new RegExp(r'(^"|"$)'),"");
}
//- private -----------------------------------------------------------------------------------
}