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/*
 * JBoss, Home of Professional Open Source
 * Copyright 2015, Red Hat, Inc., and individual contributors as indicated
 * by the @authors tag.
 *
 * 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.jboss.util;

/**
 * Character checker interface.
 *
 * @author Ales Justin
 */
public interface CharacterChecker
{
   public CharacterChecker WHITESPACE = new WhitespaceChecker();

   /**
    * Is character legal.
    *
    * @param character the char parameter
    * @return true if legal, false otherwise
    */
   boolean isCharacterLegal(char character);

   class WhitespaceChecker implements CharacterChecker
   {
      public boolean isCharacterLegal(char character)
      {
         return Character.isWhitespace(character);
      }
   }
}