Examples of java.util.StringTokenizer

java.util.StringTokenizer
The string tokenizer class allows an application to break a string into tokens. The tokenization method is much simpler than the one used by the StreamTokenizer class. The StringTokenizer methods do not distinguish among identifiers, numbers, and quoted strings, nor do they recognize and skip comments.
The set of delimiters (the characters that separate tokens) may be specified either at creation time or on a per-token basis.
An instance of StringTokenizer behaves in one of two ways, depending on whether it was created with the returnDelims flag having the value true or false:
- If the flag is false, delimiter characters serve to separate tokens. A token is a maximal sequence of consecutive characters that are not delimiters.
- If the flag is true, delimiter characters are themselves considered to be tokens. A token is thus either one delimiter character, or a maximal sequence of consecutive characters that are not delimiters.
A StringTokenizer object internally maintains a current position within the string to be tokenized. Some operations advance this current position past the characters processed.
A token is returned by taking a substring of the string that was used to create the StringTokenizer object.
The following is one example of the use of the tokenizer. The code:
```
 StringTokenizer st = new StringTokenizer("this is a test"); while (st.hasMoreTokens()) { System.out.println(st.nextToken()); } 
```
prints the following output:
```
 this is a test 
```
StringTokenizer is a legacy class that is retained for compatibility reasons although its use is discouraged in new code. It is recommended that anyone seeking this functionality use the split method of String or the java.util.regex package instead.
The following example illustrates how the String.split method can be used to break up a string into its basic tokens:
```
 String[] result = "this is a test".split("\\s"); for (int x=0; x<result.length; x++) System.out.println(result[x]); 
```
prints the following output:
```
 this is a test 
```
@author unascribed @version 1.35, 11/17/05 @see java.io.StreamTokenizer @since JDK1.0

        iRandomSelection = properties.getPropertyBoolean("SimulatedAnnealing.Random", iRandomSelection);
        iUpdatePoints = properties.getPropertyBoolean("SimulatedAnnealing.Update", iUpdatePoints);
        String neighbours = properties.getProperty("SimulatedAnnealing.Neighbours",
                ItcSwapMove.class.getName()+"@1;"+
                ItcRandomMove.class.getName()+"@1");
        for (StringTokenizer s=new StringTokenizer(neighbours,";");s.hasMoreTokens();) {
            String nsClassName = s.nextToken();
            double bonus = 1.0;
            if (nsClassName.indexOf('@')>=0) {
                bonus = Double.parseDouble(nsClassName.substring(nsClassName.indexOf('@')+1));
                nsClassName = nsClassName.substring(0, nsClassName.indexOf('@'));
            }

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      return false;
    String filesDenied = getServlet().getInitParameter("filesDenied");
    if(filesDenied==null) 
      return true;
    
    StringTokenizer st = new StringTokenizer(filesDenied, ",");
    while(st.hasMoreElements()){
      if(ext.equalsIgnoreCase(st.nextToken()))
        return false;
    }
    return true;
  }

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              + s.substring(2, 3) + s.substring(2, 3)
              + s.substring(3, 4) + s.substring(3, 4);
        if (s.length() == 7)
          return new Color(Integer.parseInt(s.substring(1), 16));
      } else if (s.startsWith("rgb")) {
        StringTokenizer tk = new StringTokenizer(s.substring(3),
            " \t\r\n\f(),");
        int[] cc = new int[3];
        for (int k = 0; k < 3; ++k) {
          if (!tk.hasMoreTokens())
            return null;
          String t = tk.nextToken();
          float n;
          if (t.endsWith("%")) {
            n = Float.parseFloat(t.substring(0, t.length() - 1));
            n = n * 255f / 100f;
          } else

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   */
  public static Properties parseAttributes(String string) {
    Properties result = new Properties();
    if (string == null)
      return result;
    StringTokenizer keyValuePairs = new StringTokenizer(string, ";");
    StringTokenizer keyValuePair;
    String key;
    String value;
    while (keyValuePairs.hasMoreTokens()) {
      keyValuePair = new StringTokenizer(keyValuePairs.nextToken(), ":");
      if (keyValuePair.hasMoreTokens())
        key = keyValuePair.nextToken().trim();
      else
        continue;
      if (keyValuePair.hasMoreTokens())
        value = keyValuePair.nextToken().trim();
      else
        continue;
      if (value.startsWith("\""))
        value = value.substring(1);
      if (value.endsWith("\""))

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  public static synchronized void addInterceptors(String listInterceptorClassName, List interceptors) throws Exception {
    if (listInterceptorClassName != null && interceptors != null) {
      if (logger.isLoggable(BasicLevel.DEBUG))
        logger.log(BasicLevel.DEBUG, "addInterceptors(" + listInterceptorClassName + ", " + interceptors + ')');
      String error = null;
      StringTokenizer token = new StringTokenizer(listInterceptorClassName, INTERCEPTOR_CLASS_NAME_SEPARATOR);
      while (token.hasMoreTokens()) {
        String interceptorClassName = token.nextToken();
        try {
          interceptors.add((MessageInterceptor)Class.forName(interceptorClassName).newInstance());
        } catch(Throwable t) {
          if (logger.isLoggable(BasicLevel.WARN))
            logger.log(BasicLevel.WARN, "addInterceptors", t);

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  public static synchronized void removeInterceptors(String listInterceptorClassName, List interceptors) throws Exception {
    if (listInterceptorClassName != null && interceptors != null) {
      if (logger.isLoggable(BasicLevel.DEBUG))
        logger.log(BasicLevel.DEBUG, "removeInterceptors(" + listInterceptorClassName + ", " + interceptors + ')');
      String error = null;
      StringTokenizer token = new StringTokenizer(listInterceptorClassName, INTERCEPTOR_CLASS_NAME_SEPARATOR);
      while (token.hasMoreTokens()) {
        String interceptorClassName = token.nextToken();
        try {
          removeInterceptor(interceptorClassName, interceptors);
        } catch(Throwable t) {
          if (logger.isLoggable(BasicLevel.WARN))
            logger.log(BasicLevel.WARN, "removeInterceptors", t);

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  public final String getOptions() {
    return options;
  }
  public final void setOptions(String options) {
    this.options = options;
    StringTokenizer st = new StringTokenizer(options, ";");
    while(st.hasMoreElements()){
      String tk = st.nextToken();
      if("bookmark".equalsIgnoreCase(tk))
        this.setBookmark(1);
      else if("elite".equalsIgnoreCase(tk))
        this.setElite(1);
      else if("top".equalsIgnoreCase(tk))

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   * @return
   */
  public List list_songs(String mids){
    if(mids == null)
      return null;
    StringTokenizer st = new StringTokenizer(mids,",");
    List ids = new ArrayList();
    while(st.hasMoreElements()){
      String sid = st.nextToken();
      try{
        ids.add(new Integer(sid));
      }catch(Exception e){}
    }
    return MusicDAO.listSongs(ids);

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   * path="/images/test.gif" <br />
   * context="/test/index.html"<br />
   * result="../images/test.gif"
   */
  private String localizePath(String path, String context) {
    StringTokenizer st = new StringTokenizer(context,"/");
    int depth = st.countTokens();
    if (! context.endsWith("/")) {
      depth--;
    }      


    StringBuffer sb = new StringBuffer();

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    public IPathElement getChildElement(String name) {
        return getNode(name);
    }


    public INode getSubnode(String name) {
        StringTokenizer st = new StringTokenizer(name, "/");
        TransientNode retval = this;
        TransientNode runner;


        while (st.hasMoreTokens() && (retval != null)) {
            runner = retval;


            String next = st.nextToken().trim().toLowerCase();


            if ("".equals(next)) {
                retval = this;
            } else {
                retval = (runner.nodeMap == null) ? null

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