com.ocs.dynamo.ui.validator.URLValidator.java Source code

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Here is the source code for com.ocs.dynamo.ui.validator.URLValidator.java

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/*
   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.ocs.dynamo.ui.validator;

import java.net.MalformedURLException;

import com.vaadin.data.Validator;

public class URLValidator implements Validator {

    private String message;

    private static final long serialVersionUID = 680372854650555066L;

    public URLValidator(String message) {
        this.message = message;
    }

    @Override
    public void validate(Object value) throws InvalidValueException {
        if (value == null) {
            return;
        }

        if (!(value instanceof String)) {
            throw new InvalidValueException(message);
        }

        try {
            new java.net.URL((String) value);
        } catch (MalformedURLException ex) {
            throw new InvalidValueException(message);
        }
    }

}