Examples of java.util.Scanner.match()

java.util.Scanner.match()
Returns the match result of the last scanning operation performed by this scanner. This method throws IllegalStateException if no match has been performed, or if the last match was not successful.
The various nextmethods of Scanner make a match result available if they complete without throwing an exception. For instance, after an invocation of the {@link #nextInt}method that returned an int, this method returns a MatchResult for the search of the Integer regular expression defined above. Similarly the {@link #findInLine}, {@link #findWithinHorizon}, and {@link #skip} methods will make amatch available if they succeed. @return a match result for the last match operation @throws IllegalStateException If no match result is available

    {
        Scanner scanner = new Scanner( new ByteArrayInputStream( message.getBytes() ) );
        String foundString = scanner.findWithinHorizon( ".*line (\\d+):(\\d+): *([^\\n]*).*", message.length() );
        if ( foundString != null )
        {
            MatchResult result = scanner.match();
            if ( result.groupCount() == 3 )
            {
                ExceptionMessage exceptionMessage = new ExceptionMessage();
                exceptionMessage.lineNumber = result.group( 1 );
                exceptionMessage.columnNumber = result.group( 2 );

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    public static String stripVersion(String text) {
        Scanner scanner = new Scanner(text);
        String versionNums = scanner.findWithinHorizon("(\\d+)(\\.\\d+)(\\.\\d+)?", 0);
        String version = "";
        if (versionNums != null) {
            MatchResult groups = scanner.match();
            for (int i = 1; i <= groups.groupCount() && groups.group(i) != null; i++) // yes, truly 1-indexed
                version += groups.group(i);
        }
        return version;
    }

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  static void useRegex() {
    String input = "1 fish 2 fish red fish blue fish";
    Scanner s = new Scanner(input);
    s.findInLine("(\\d+) fish (\\d+) fish (\\w+) fish (\\w+)");
    MatchResult result = s.match();
    for (int i=1; i<=result.groupCount(); i++)
      System.out.println(result.group(i));
    s.close();
  }

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      URI uriObject = new URI(uri);
      if (uriObject.isAbsolute()) {
        Pattern regexRequestUri = Pattern.compile(baseUri + "/([^/][^?]*)(\\?.*)?");
        if (uriScanner.hasNext(regexRequestUri)) {
          uriScanner.next(regexRequestUri);
          MatchResult result = uriScanner.match();
          if (result.groupCount() == 2) {
            odataPathSegmentsAsString = result.group(1);
            queryParametersAsString = result.group(2) != null ? result.group(2) : "";
          } else {
            uriScanner.close();

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        }
      } else {
        Pattern regexRequestUri = Pattern.compile("([^/][^?]*)(\\?.*)?");
        if (uriScanner.hasNext(regexRequestUri)) {
          uriScanner.next(regexRequestUri);
          MatchResult result = uriScanner.match();
          if (result.groupCount() == 2) {
            odataPathSegmentsAsString = result.group(1);
            queryParametersAsString = result.group(2) != null ? result.group(2) : "";
          } else {
            uriScanner.close();

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    Scanner uriScanner = new Scanner(uri).useDelimiter("\n");
    Map<String, String> queryParametersMap = new HashMap<String, String>();
    Pattern regex = Pattern.compile("(?:" + baseUri + "/)?" + "[^?]+" + "\\?(.*)");
    if (uriScanner.hasNext(regex)) {
      uriScanner.next(regex);
      MatchResult uriResult = uriScanner.match();
      if (uriResult.groupCount() == 1) {
        String queryParams = uriResult.group(1);
        Scanner queryParamsScanner = new Scanner(queryParams).useDelimiter("&");
        while (queryParamsScanner.hasNext(REG_EX_QUERY_PARAMETER)) {
          queryParamsScanner.next(REG_EX_QUERY_PARAMETER);

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      if (uriResult.groupCount() == 1) {
        String queryParams = uriResult.group(1);
        Scanner queryParamsScanner = new Scanner(queryParams).useDelimiter("&");
        while (queryParamsScanner.hasNext(REG_EX_QUERY_PARAMETER)) {
          queryParamsScanner.next(REG_EX_QUERY_PARAMETER);
          MatchResult result = queryParamsScanner.match();
          if (result.groupCount() == 2) {
            String systemQueryOption = result.group(1);
            String value = result.group(2);
            queryParametersMap.put(systemQueryOption, Decoder.decode(value));
          } else {

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      contentTypeScanner.close();
      throw new BatchException(BatchException.INVALID_CONTENT_TYPE.addContent(HttpContentType.MULTIPART_MIXED));
    }
    if (contentTypeScanner.hasNext(REG_EX_BOUNDARY_PARAMETER)) {
      contentTypeScanner.next(REG_EX_BOUNDARY_PARAMETER);
      MatchResult result = contentTypeScanner.match();
      contentTypeScanner.close();
      if (result.groupCount() == 1 && result.group(1).trim().matches(REG_EX_BOUNDARY)) {
        return trimQuota(result.group(1).trim());
      } else {
        throw new BatchException(BatchException.INVALID_BOUNDARY);

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      contentTypeScanner.close();
      throw new BatchException(BatchException.INVALID_CONTENT_TYPE.addContent(HttpContentType.MULTIPART_MIXED));
    }
    if (contentTypeScanner.hasNext(REG_EX_BOUNDARY_PARAMETER)) {
      contentTypeScanner.next(REG_EX_BOUNDARY_PARAMETER);
      MatchResult result = contentTypeScanner.match();
      contentTypeScanner.close();
      if (result.groupCount() == 1 && result.group(1).trim().matches(REG_EX_BOUNDARY)) {
        return trimQuota(result.group(1).trim());
      } else {
        throw new BatchException(BatchException.INVALID_BOUNDARY);

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    List<String> acceptHeaders = new ArrayList<String>();
    Scanner acceptHeaderScanner = new Scanner(headerValue).useDelimiter(",\\s?");
    while (acceptHeaderScanner.hasNext()) {
      if (acceptHeaderScanner.hasNext(REG_EX_ACCEPT_WITH_Q_FACTOR)) {
        acceptHeaderScanner.next(REG_EX_ACCEPT_WITH_Q_FACTOR);
        MatchResult result = acceptHeaderScanner.match();
        if (result.groupCount() == 2) {
          String acceptHeaderValue = result.group(1);
          double qualityFactor = result.group(2) != null ? Double.parseDouble(result.group(2)) : 1d;
          qualityFactor = getQualityFactor(acceptHeaderValue, qualityFactor);
          Accept acceptHeader = new Accept().setQuality(qualityFactor).setValue(acceptHeaderValue);

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