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/*
* Copyright 2000-2013 Vaadin Ltd.
*
* 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.vaadin.data.validator;
import com.vaadin.data.Property;
import com.vaadin.data.util.converter.StringToDoubleConverter;
/**
* String validator for a double precision floating point number. See
* {@link com.vaadin.data.validator.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 != null && 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);
}
}
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