stringutil.java

java telnet 服务器实现 .

//License
/***
 * Java TelnetD library (embeddable telnet daemon)
 * Copyright (c) 2000-2005 Dieter Wimberger 
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * Neither the name of the author nor the names of its contributors
 * may be used to endorse or promote products derived from this software
 * without specific prior written permission.
 *  
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS ``AS
 * IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
 * POSSIBILITY OF SUCH DAMAGE.
 ***/

package net.wimpi.telnetd.util;

import java.util.StringTokenizer;

/**
 * Utility class with string manipulation methods.
 *
 * @author Dieter Wimberger
 * @version 2.0 (16/07/2006)
 */
public final class StringUtil {

  /**
   * Private constructor, to prevent construction.
   */
  private StringUtil() {
  }//constructor

  /**
   * Method that splits a string with delimited fields
   * into an array of field strings.
   *
   * @param str   String with delimited fields.
   * @param delim String that represents the delimiter.
   * @return String[] holding all fields.
   */
  public static String[] split(String str, String delim) {

    StringTokenizer strtok = new StringTokenizer(str, delim);
    String[] result = new String[strtok.countTokens()];

    for (int i = 0; i < result.length; i++) {
      result[i] = strtok.nextToken();
    }

    return result;
  }//split(String,String)

  /**
   * Method that splits a string with delimited fields
   * into an array of field strings.
   *
   * @param str   String with delimited fields.
   * @param delim char that represents the delimiter.
   * @return String[] holding all fields.
   */
  public static String[] split(String str, char delim) {
    return StringUtil.split(str, String.valueOf(delim));
  }//split(String,char)

}//class StringUtil