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Vaadin 7 compatibility package for Vaadin 8

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/*
 * Copyright (C) 2000-2024 Vaadin Ltd
 *
 * This program is available under Vaadin Commercial License and Service Terms.
 *
 * See  for the full
 * license.
 */
package com.vaadin.v7.data.validator;

import com.vaadin.v7.data.Property;
import com.vaadin.v7.data.util.converter.StringToDoubleConverter;

/**
 * String validator for a double precision floating point number. See
 * {@link AbstractStringValidator} for more information.
 *
 * @author Vaadin Ltd.
 * @since 5.4
 * @deprecated As of 7.0. Use a {@link StringToDoubleConverter} converter on the
 *             field instead or bind the field to a {@link Property} of type
 *             {@link Double}.
 */
@Deprecated
@SuppressWarnings("serial")
public class DoubleValidator extends AbstractStringValidator {

    /**
     * Creates a validator for checking that a string can be parsed as an
     * double.
     *
     * @param errorMessage
     *            the message to display in case the value does not validate.
     * @deprecated As of 7.0. Use a Double converter on the field instead and/or
     *             use a {@link DoubleRangeValidator} for validating that the
     *             value is inside a given range.
     */
    @Deprecated
    public DoubleValidator(String errorMessage) {
        super(errorMessage);
    }

    @Override
    protected boolean isValidValue(String value) {
        try {
            Double.parseDouble(value);
            return true;
        } catch (Exception e) {
            return false;
        }
    }

    @Override
    public void validate(Object value) throws InvalidValueException {
        if (value instanceof Double) {
            // Allow Doubles to pass through the validator for easier
            // migration. Otherwise a TextField connected to an double property
            // with a DoubleValidator will fail.
            return;
        }

        super.validate(value);
    }

}