Examples of com.ibm.icu.util.StringTokenizer

com.ibm.icu.util.StringTokenizer
{@icuenhanced java.util.Calendar}. {@icu _usage_}
The string tokenizer class allows an application to break a string into tokens by performing code point comparison. The StringTokenizer methods do not distinguish among identifiers, numbers, and quoted strings, nor do they recognize and skip comments.

The set of delimiters (the codepoints that separate tokens) may be specified either at creation time or on a per-token basis.

An instance of StringTokenizer behaves in one of three ways, depending on whether it was created with the returnDelims and coalesceDelims flags having the value true or false:
- If returnDelims is false, delimiter code points serve to separate tokens. A token is a maximal sequence of consecutive code points that are not delimiters.
- If returnDelims is true, delimiter code points are themselves considered to be tokens. In this case, if coalesceDelims is true, such tokens will be the maximal sequence of consecutive code points that are delimiters. If coalesceDelims is false, a token will be received for each delimiter code point.
A token is thus either one delimiter code point, a maximal sequence of consecutive code points that are delimiters, or a maximal sequence of consecutive code points 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 code point processed.

A token is returned by taking a substring of the string that was used to create the StringTokenizer object.

Example of the use of the default delimiter tokenizer.
```
 StringTokenizer st = new StringTokenizer("this is a test"); while (st.hasMoreTokens()) { println(st.nextToken()); } 
```
prints the following output:
```
 this is a test 
```
Example of the use of the tokenizer with user specified delimiter.
```
 StringTokenizer st = new StringTokenizer("this is a test with supplementary characters \ud800\ud800\udc00\udc00", " \ud800\udc00"); while (st.hasMoreTokens()) { println(st.nextToken()); } 
```
prints the following output:
```
 this is a test with supplementary characters \ud800 \udc00 
```
@author syn wee @stable ICU 2.4

    if (!isDebugging())
      return false;


    String traceFilter = Platform.getDebugOption(PLUGIN_ID + TRACEFILTER_LOCATION);
    if (traceFilter != null) {
      StringTokenizer tokenizer = new StringTokenizer(traceFilter, ","); //$NON-NLS-1$
      while (tokenizer.hasMoreTokens()) {
        String cat = tokenizer.nextToken().trim();
        if (category.equals(cat)) {
          return true;
        }
      }
    }

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              IWorkspaceRoot workspaceRoot = ResourcesPlugin.getWorkspace().getRoot();


              for (int i = 1; i < lines && !fBuildPathIsDirty; i++) {
                line = doc.getLineInformation(i);
                lineText = doc.get(line.getOffset(), line.getLength());
                StringTokenizer toker = new StringTokenizer(lineText, "|"); //$NON-NLS-1$
                if (toker.hasMoreTokens()) {
                  String tokenType = toker.nextToken();
                  if ("JAR".equalsIgnoreCase(tokenType)) { //$NON-NLS-1$ //$NON-NLS-2$
                    boolean has11TLD = Boolean.valueOf(toker.nextToken()).booleanValue();
                    boolean exported = Boolean.valueOf(toker.nextToken()).booleanValue();
                    // make the rest the libraryLocation
                    String libraryLocation = toker.nextToken();
                    while (toker.hasMoreTokens()) {
                      libraryLocation = libraryLocation + "|" + toker.nextToken(); //$NON-NLS-1$ //$NON-NLS-2$
                    }
                    libraryLocation = libraryLocation.trim();
                    if (libraryRecord != null && notifyOnRestoration) {
                      TaglibIndex.getInstance().addDelta(new TaglibIndexDelta(fProject, libraryRecord, ITaglibIndexDelta.ADDED));
                    }
                    // Create a new JarRecord
                    libraryRecord = createJARRecord(libraryLocation);
                    libraryRecord.has11TLD = has11TLD;
                    libraryRecord.isExported = exported;


                    // Add a URLRecord for the 1.1 TLD
                    if (has11TLD) {
                      InputStream contents = JarUtilities.getInputStream(libraryLocation, JarUtilities.JSP11_TAGLIB);
                      if (contents != null) {
                        TaglibInfo info = extractInfo(libraryLocation, contents);


                        if (info != null && info.uri != null && info.uri.length() > 0) {
                          URLRecord urlRecord = new URLRecord();
                          urlRecord.info = info;
                          urlRecord.isExported = exported;
                          urlRecord.baseLocation = libraryLocation;
                          try {
                            urlRecord.url = new URL("jar:file:" + libraryLocation + "!/" + JarUtilities.JSP11_TAGLIB); //$NON-NLS-1$ //$NON-NLS-2$
                            libraryRecord.urlRecords.add(urlRecord);
                            fClasspathReferences.put(urlRecord.getURI(), urlRecord);
                            if (_debugIndexCreation)
                              Logger.log(Logger.INFO, "created record for " + urlRecord.getURI() + "@" + urlRecord.getURL()); //$NON-NLS-1$ //$NON-NLS-2$
                          }
                          catch (MalformedURLException e) {
                            /*
                             * don't record this
                             * URI
                             */
                            Logger.logException(e);
                          }
                        }
                        try {
                          contents.close();
                        }
                        catch (IOException e) {
                          Logger.log(Logger.ERROR_DEBUG, null, e);
                        }
                      }
                    }


                    fClasspathJars.put(libraryLocation, libraryRecord);
                  }
                  else if ("URL".equalsIgnoreCase(tokenType) && libraryRecord != null) { //$NON-NLS-1$
                    // relies on a previously declared JAR record
                    boolean exported = Boolean.valueOf(toker.nextToken()).booleanValue();
                    // make the rest the URL
                    String urlString = toker.nextToken();
                    while (toker.hasMoreTokens()) {
                      urlString = urlString + "|" + toker.nextToken(); //$NON-NLS-1$ //$NON-NLS-2$
                    }
                    urlString = urlString.trim();
                    // Append a URLrecord
                    URLRecord urlRecord = new URLRecord();
                    urlRecord.url = new URL(urlString);
                    urlRecord.isExported = exported;
                    urlRecord.baseLocation = libraryRecord.location.toString();


                    InputStream tldStream = JarUtilities.getInputStream(urlRecord.url);
                    if(tldStream != null) {
                      TaglibInfo info = extractInfo(urlRecord.url.toString(), tldStream);
                      if (info != null) {
                        urlRecord.info = info;
                      }
                      libraryRecord.urlRecords.add(urlRecord);
                      try {
                        tldStream.close();
                      }
                      catch (IOException e) {
                        Logger.log(Logger.ERROR_DEBUG, null, e);
                      }
                      if (urlRecord.getURI() != null && urlRecord.getURI().length() > 0) {
                        fClasspathReferences.put(urlRecord.getURI(), urlRecord);
                      }
                    }
                  }
                  else if (BUILDPATH_PROJECT.equalsIgnoreCase(tokenType)) {
                    String projectName = toker.nextToken();
                    if (Path.ROOT.isValidSegment(projectName)) {
                      IProject project = workspaceRoot.getProject(projectName);
                      /* do not check if "open" here */
                      if (project != null) {
                        fClasspathProjects.add(project);
                      }
                    }
                  }
                  // last since they occur once
                  else if (BUILDPATH_DIRTY.equalsIgnoreCase(tokenType)) {
                    fBuildPathIsDirty = Boolean.valueOf(toker.nextToken()).booleanValue();
                  }
                  else if (BUILDPATH_ENTRIES.equalsIgnoreCase(tokenType)) {
                    fBuildPathEntryCount = Integer.valueOf(toker.nextToken()).intValue();
                  }
                }
                if (libraryRecord != null && notifyOnRestoration) {
                  TaglibIndex.getInstance().addDelta(new TaglibIndexDelta(fProject, libraryRecord, ITaglibIndexDelta.ADDED));
                }

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    // get indent after 2nd line break
    StringBuffer textAfter = new StringBuffer();
    // will this work on mac?
    textBefore = textBefore.replaceAll("\r", ""); //$NON-NLS-1$ //$NON-NLS-2$
    StringTokenizer st = new StringTokenizer(textBefore, "\n", true); //$NON-NLS-1$
    while (st.hasMoreTokens()) {
      String tok = st.nextToken();
      if (tok.equals("\n")) { //$NON-NLS-1$
        textAfter.append(delim);
      }
      else {
        // prepend each line w/ specified indent

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    if (modifiers.length() == 0)
      return SWT.NONE;


    int stateMask = 0;
    StringTokenizer modifierTokenizer = new StringTokenizer(modifiers, ",;.:+-* "); //$NON-NLS-1$
    while (modifierTokenizer.hasMoreTokens()) {
      int modifier = EditorUtility.findLocalizedModifier(modifierTokenizer.nextToken());
      if (modifier == 0 || (stateMask & modifier) == modifier)
        return -1;
      stateMask = stateMask | modifier;
    }
    return stateMask;

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  public static String getUnescapedText(String test) {
    initLookup();
    StringBuffer buffer = new StringBuffer();
    if (test != null) {
      StringTokenizer st = new StringTokenizer(test, "&;", true); //$NON-NLS-1$
      String tok1, tok2, tok3, transString;
      while (st.hasMoreTokens()) {
        tok1 = tok2 = tok3 = transString = ""; //$NON-NLS-1$
        tok1 = st.nextToken();
        if (tok1.equals("&") && st.hasMoreTokens()) //$NON-NLS-1$
        {
          tok2 = st.nextToken();
          if (st.hasMoreTokens()) {
            tok3 = st.nextToken();
          }
        }
        if (!(transString = fXMLtoJavaLookup.getProperty(tok1 + tok2 + tok3, "")).equals("")) //$NON-NLS-2$ //$NON-NLS-1$
        {
          buffer.append(transString);

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   * @return An array of the default element names considered to be "inline"
   */
  public static Object[] getDefaultInlineElements() {
    String inline = HTMLCorePlugin.getDefault().getPluginPreferences().getDefaultString(HTMLCorePreferenceNames.INLINE_ELEMENTS);
    Set defaults = new HashSet();
    StringTokenizer tokenizer = new StringTokenizer(inline, ",");
    while (tokenizer.hasMoreTokens()) {
      defaults.add(tokenizer.nextToken());
    }
    return defaults.toArray();
  }

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  }


  private static Set getInlineSet() {
    String inline = HTMLCorePlugin.getDefault().getPluginPreferences().getString(HTMLCorePreferenceNames.INLINE_ELEMENTS);
    Set elements = new HashSet();
    StringTokenizer tokenizer = new StringTokenizer(inline, ",");
    while (tokenizer.hasMoreTokens()) {
      elements.add(tokenizer.nextToken());
    }
    return elements;
  }

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   */
  private String getMimeTypeFromContentTypeValue(String contentTypeValue) {
    if (contentTypeValue == null)
      return null;
    String cleanContentTypeValue = StringUtils.stripNonLetterDigits(contentTypeValue);
    StringTokenizer tokenizer = new StringTokenizer(cleanContentTypeValue, ";= \t\n\r\f"); //$NON-NLS-1$
    int tLen = tokenizer.countTokens();
    // if contains encoding should have three tokens, the mimetype, the
    // word 'charset', and the encoding value
    String[] tokens = new String[tLen];
    int j = 0;
    while (tokenizer.hasMoreTokens()) {
      tokens[j] = tokenizer.nextToken();
      j++;
    }
    // 
    // Following is the common form for target expression
    // <META http-equiv="Content-Type" content="text/html; charset=UTF-8">

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   */
  protected void addImports(String value, boolean addToMap) {
    // https://bugs.eclipse.org/bugs/show_bug.cgi?id=81687
    // added the "addToMap" parameter to exclude imports originating
    // from included JSP files to be added to the jsp<->java mapping
    StringTokenizer st = new StringTokenizer(value, ",", false); //$NON-NLS-1$
    String tok = ""; //$NON-NLS-1$
    // String appendage = ""; //$NON-NLS-1$
    while (st.hasMoreTokens()) {
      tok = st.nextToken();
      appendImportToBuffer(tok, fCurrentNode, addToMap);
    }
  }

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          // may
          // be a
          // custom
          // tag
        }
        StringTokenizer st = new StringTokenizer(fullTagName, ":.", false); //$NON-NLS-1$
        if (st.hasMoreTokens() && st.nextToken().equals("jsp")) //$NON-NLS-1$
        {
          if (st.hasMoreTokens()) {
            String jspTagName = st.nextToken();


            if (jspTagName.equals("scriptlet")) //$NON-NLS-1$
            {
              translateXMLJSPContent(SCRIPTLET);
            }
            else if (jspTagName.equals("expression")) //$NON-NLS-1$
            {
              translateXMLJSPContent(EXPRESSION);
            }
            else if (jspTagName.equals("declaration")) //$NON-NLS-1$
            {
              translateXMLJSPContent(DECLARATION);
            }
            else if (jspTagName.equals("directive")) //$NON-NLS-1$
            {
              if (st.hasMoreTokens()) {
                String directiveName = st.nextToken();
                if (directiveName.equals("taglib")) { //$NON-NLS-1$
                  while (r != null && regions.hasNext() && !r.getType().equals(DOMRegionContext.XML_TAG_ATTRIBUTE_NAME)) {
                    r = (ITextRegion) regions.next();
                    if (container.getText(r).equals(JSP11Namespace.ATTR_NAME_PREFIX)) {
                      String prefix = getAttributeValue(r, regions);

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