/* 
 *  Copyright 2007-2008 Yoav Abrahami 
 * 
 *  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.abra.j2xb.exampleBeans.customType; 
 
import java.util.regex.Matcher; 
import java.util.regex.Pattern; 
 
/** 
 * @author Yoav Abrahami 
 * @version 1.0, May 1, 2008 
 * @since   JDK1.5 
 */ 
public class IPAddressValue { 
 
  private final static String IPAddressPattern = "([0-9]|[0-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\\." + 
          "([0-9]|[0-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\\." + 
          "([0-9]|[0-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\\." + 
          "([0-9]|[0-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])"; 
  private byte[] parts = new byte[4]; 
 
  public IPAddressValue() { 
 
  } 
 
  public IPAddressValue(String value) { 
    Matcher matcher = Pattern.compile(IPAddressPattern).matcher(value); 
    if (matcher.find()) { 
      parts[0] = Byte.parseByte(matcher.group(1)); 
      parts[1] = Byte.parseByte(matcher.group(2)); 
      parts[2] = Byte.parseByte(matcher.group(3)); 
      parts[3] = Byte.parseByte(matcher.group(4)); 
    } 
  } 
 
 
  public byte[] getParts() { 
    return parts; 
  } 
 
  public void setParts(byte[] parts) { 
    this.parts = parts; 
  } 
 
  public static boolean isValidStringValue(String value) { 
    return value != null && 
            value.matches(IPAddressPattern); 
  } 
 
  public String toString() { 
    return String.format("%d.%d.%d.%d", parts[0], parts[1], parts[2], parts[3]); 
  } 
}