LongValidator.java

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 * Pentaho Data Integration
 *
 * Copyright (C) 2002-2013 by Pentaho : http://www.pentaho.com
 *
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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,
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 * See the License for the specific language governing permissions and
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package org.pentaho.di.job.entry.validator;

import org.apache.commons.validator.util.ValidatorUtils;

import java.util.List;

import org.apache.commons.validator.GenericTypeValidator;
import org.apache.commons.validator.GenericValidator;
import org.pentaho.di.core.CheckResultInterface;
import org.pentaho.di.core.CheckResultSourceInterface;

public class LongValidator implements JobEntryValidator {

  public static final LongValidator INSTANCE = new LongValidator();

  private String VALIDATOR_NAME = "long";

  public String getName() {
    return VALIDATOR_NAME;
  }

  public boolean validate( CheckResultSourceInterface source, String propertyName,
    List<CheckResultInterface> remarks, ValidatorContext context ) {
    Object result = null;
    String value = null;

    value = ValidatorUtils.getValueAsString( source, propertyName );

    if ( GenericValidator.isBlankOrNull( value ) ) {
      return Boolean.TRUE;
    }

    result = GenericTypeValidator.formatLong( value );

    if ( result == null ) {
      JobEntryValidatorUtils.addFailureRemark( source, propertyName, VALIDATOR_NAME, remarks,
          JobEntryValidatorUtils.getLevelOnFail( context, VALIDATOR_NAME ) );
      return false;
    }
    return true;
  }

}