LongValidator.java

/* 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 org.activiti.explorer.ui.validator;

import com.vaadin.data.validator.AbstractStringValidator;


/**
 * @author Frederik Heremans
 */
public class LongValidator extends AbstractStringValidator {

  private static final long serialVersionUID = 8306001395582004472L;

  public LongValidator(String errorMessage) {
    super(errorMessage);
  }

  @Override
  protected boolean isValidString(String value) {
    try {
        Long.parseLong(value);
        return true;
    } catch (Exception e) {
        return false;
    }
  }
}