com.mobsandgeeks.saripaar.rule.DigitsRule Maven / Gradle / Ivy

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Rule-based UI form validation library for Android

There is a newer version: 2.0.3

/*
 * Copyright (C) 2014 Mobs & Geeks
 *
 * 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.mobsandgeeks.saripaar.rule;

import com.mobsandgeeks.saripaar.AnnotationRule;
import com.mobsandgeeks.saripaar.annotation.Digits;

/**
 * @author Ragunath Jawahar {@literal }
 * @since 2.0
 */
public class DigitsRule extends AnnotationRule {

    protected DigitsRule(final Digits digits) {
        super(digits);
    }

    @Override
    public boolean isValid(final String digits) {
        int integer = mRuleAnnotation.integer();
        int fraction = mRuleAnnotation.fraction();

        String digitsRegex = String.format("(\\d{0,%d})(\\.\\d{1,%d})?", integer, fraction);
        return digits.matches(digitsRegex);
    }
}