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


   private void getArchiveArray(String archiveList)
   {
      if (archiveList != null)
      {
         StringTokenizer st = new StringTokenizer(archiveList, ", ");
         archives = new String[st.countTokens()];


         for (int i = 0; i < archives.length; i++)
            archives[i] = st.nextToken();
      }
   }

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  {
    this();


    String cookieHeader = null;
    String host = "";
    StringTokenizer tokens = null;


    // does is start with "Set-Cookie" ?
    if (setCookie.substring(0,HEADER_SETCOOKIE.length()).equalsIgnoreCase(HEADER_SETCOOKIE)) {
      cookieHeader = setCookie.substring(HEADER_SETCOOKIE.length());
    } else {
      throw new CookieException("Not a Set-Cookie header");
    }


    // set defaults from the URL
    if (u != null) {
      this.domain = u.getHost().toLowerCase();
      host = this.domain;
    } else {
      this.domain = "";
    }


    // tokenize setcookie request
    tokens = new StringTokenizer(cookieHeader,";");


    // there must be at least ONE token (name=value)
    if (tokens.countTokens() < 1) {
      throw new CookieException("Cookie contains no data");
    } else {
      String field = tokens.nextToken();
      int pos = field.indexOf('=');
      if (pos <= 0) {
  throw new CookieException("First field not in the format NAME=VALUE"
          +" but got "+field);
      } else {
  name = field.substring(0,pos).trim();
  value = field.substring(pos+1);
      }
    }


    // parse all other fields
    while (tokens.hasMoreTokens()) {
      String field = tokens.nextToken();
      String fieldname="";
      String fieldvalue="";


      int pos = field.indexOf('=');
      if (pos <= 0) {

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      if (drivers == null) {
        throw new Exception("No database drivers (JDBC) specified");
      }
      // The call to newInstance() is necessary on some platforms
      // (with some java VM implementations)
      StringTokenizer st = new StringTokenizer(drivers, ", ");
      while (st.hasMoreTokens()) {
        String driver = st.nextToken();
        boolean result;
        try {
          Class.forName(driver);
          DRIVERS.addElement(driver);
          result = true;

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    } else {
      throw new CookieException("Not a Cookie header");
    }
    
    // tokenize setcookie request
    StringTokenizer tokens = new StringTokenizer(cookieHeader,";");
    Cookie[] cookies= new Cookie[tokens.countTokens()];
    int i=0;
    
    while (tokens.hasMoreTokens()) {
      cookies[i]=null;
        String field = tokens.nextToken();
        int pos = field.indexOf('=');
        if (pos <= 0) {
          throw new CookieException("Cookie field not in the format NAME=VALUE"
            +" but got "+field);
        } else {

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      toLoad.getPackageMetaDataElement("DoNotLoadIfClassNotPresent");
    
    if (doNotLoadIfClassNotInstantiable != null &&
        doNotLoadIfClassNotInstantiable.toString().length() > 0) {
      
      StringTokenizer tok = new StringTokenizer(doNotLoadIfClassNotInstantiable.toString(), ",");
      while (tok.hasMoreTokens()) {
        String nextT = tok.nextToken().trim();
        try {
          Class.forName(nextT);
        } catch (Exception ex) {
          for (PrintStream p : progress) {
            p.println("[Weka] " + toLoad.getName() + " can't be loaded because "

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    String packageRootPath = packageRoot.getPath() + File.separator;
    
    if (doNotLoadIfFileMissing != null &&
        doNotLoadIfFileMissing.toString().length() > 0) {


      StringTokenizer tok = new StringTokenizer(doNotLoadIfFileMissing.toString(), ",");
      while (tok.hasMoreTokens()) {
        String nextT = tok.nextToken().trim();
        File toCheck = new File(packageRootPath + nextT);
        if (!toCheck.exists()) {
          for (PrintStream p : progress) {
            p.println("[Weka] " + toLoad.getName() + " can't be loaded because "
                + toCheck.getPath() + " appears to be missing.");

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    _bpelServer.registerBpelEventListener(new DebugBpelEventListener());


    // then, whatever else they want.
    String listenersStr = _odeConfig.getEventListeners();
    if (listenersStr != null) {
      for (StringTokenizer tokenizer = new StringTokenizer(listenersStr, ",;"); tokenizer.hasMoreTokens();) {
        String listenerCN = tokenizer.nextToken();
        try {
          _bpelServer.registerBpelEventListener((BpelEventListener) Class.forName(listenerCN).newInstance());
          __log.debug("REGISTERED EVENT LISTENER: "+listenerCN);
        } catch (Exception e) {
          __log.warn("Couldn't register the event listener " + listenerCN + ", the class couldn't be "

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  }


  private void registerMexInterceptors() {
    String listenersStr = _odeConfig.getMessageExchangeInterceptors();
    if (listenersStr != null) {
      for (StringTokenizer tokenizer = new StringTokenizer(listenersStr, ",;"); tokenizer.hasMoreTokens();) {
        String interceptorCN = tokenizer.nextToken();
        try {
          _bpelServer.registerMessageExchangeInterceptor((MessageExchangeInterceptor) Class.forName(interceptorCN).newInstance());
          __log.debug("MESSAGE EXCHANGE INTERCEPTOR REGISTERED: "+interceptorCN);
        } catch (Exception e) {
          __log.warn("Couldn't register the event listener " + interceptorCN + ", the class couldn't be "

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      String equiv=element.getAttribute("http-equiv");
      if ((equiv != null) && (equiv.equalsIgnoreCase("refresh"))) { 
        String refreshcontent=element.getAttribute("content"); 
        if (refreshcontent == null) { refreshcontent=""; } 
        
        StringTokenizer st=new StringTokenizer(refreshcontent,";"); 
        while (st.hasMoreTokens()) { 
          String token=st.nextToken().trim();
          AttribValuePair av = new AttribValuePair(token);
          if (av.getAttrib().equals("url")) { 
            addLink(av.getValue(),links);
          } 
        }

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        iRandomSelection = properties.getPropertyBoolean("GreatDeluge.Random", iRandomSelection);
        iUpdatePoints = properties.getPropertyBoolean("GreatDeluge.Update", iUpdatePoints);
        String neighbours = properties.getProperty("GreatDeluge.Neighbours",
                ItcSwapMove.class.getName() + "@1;"
                + ItcNotConflictingMove.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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