com.fs.commons.desktop.validation.builtin.IsANumberValidator Maven / Gradle / Ivy
/*
* Copyright 2002-2016 Jalal Kiswani.
*
* 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 com.fs.commons.desktop.validation.builtin;
import java.text.NumberFormat;
import java.text.ParsePosition;
import java.util.Locale;
import com.fs.commons.desktop.validation.Problems;
import com.fs.commons.desktop.validation.Validator;
/**
*
* @author Tim Boudreau
*/
final class IsANumberValidator implements Validator {
private final Locale locale;
IsANumberValidator() {
this(null);
}
IsANumberValidator(final Locale l) {
this.locale = l;
}
@Override
public boolean validate(final Problems problems, final String compName, final String model) {
final ParsePosition p = new ParsePosition(0);
try {
NumberFormat.getNumberInstance(this.locale == null ? Locale.getDefault() : this.locale).parse(model, p);
if (model.length() != p.getIndex() || p.getErrorIndex() != -1) {
problems.add(NbBundle.getMessage(IsANumberValidator.class, "NOT_A_NUMBER", model, compName)); // NOI18N
return false;
}
} catch (final NumberFormatException nfe) {
problems.add(NbBundle.getMessage(IsANumberValidator.class, "NOT_A_NUMBER", model, compName)); // NOI18N
return false;
}
return true;
}
}