Examples of org.apache.oro.text.regex.PatternMatcher

org.apache.oro.text.regex.PatternMatcher
The PatternMatcher interface defines the operations a regular expression matcher must implement. However, the types of the Pattern implementations recognized by a matcher are not restricted. Typically PatternMatcher instances will only recognize a specific type of Pattern. For example, the Perl5Matcher only recognizes Perl5Pattern instances. However, none of the PatternMatcher methods are required to throw an exception in case of the use of an invalid pattern. This is done for efficiency reasons, although usually a CastClassException will be thrown by the Java runtime system if you use the wrong Pattern implementation. It is the responsibility of the programmer to make sure he uses the correct Pattern instance with a given PatternMatcher instance. The current version of this package only contains the Perl5 suite of pattern matching classes, but future ones for other regular expression grammars may be added and users may also create their own implementations of the provided interfaces. Therefore the programmer should be careful not to mismatch classes. @version @version@ @since 1.0 @see Pattern @see PatternCompiler @see MatchResult

  
  private void generateTemplate(String rawTemplate)
  {
    List pieces = new ArrayList();
    List combined = new LinkedList();
    PatternMatcher matcher = new Perl5Matcher();
    Util.split(pieces,new Perl5Matcher(),templatePattern,rawTemplate);    
    PatternMatcherInput input = new PatternMatcherInput(rawTemplate);
    int count = 0;
    Iterator iter = pieces.iterator();
    boolean startsWith = isFirstElementGroup(rawTemplate);
    while(iter.hasNext())
    {
      boolean matchExists = matcher.contains(input,templatePattern);
      if(startsWith)
      {
        if(matchExists)
        {
          combined.add(new Integer(matcher.getMatch().group(1)));
        }
        combined.add(iter.next());
      }
      else
      {
        combined.add(iter.next());
        if(matchExists)
        {
          combined.add(new Integer(matcher.getMatch().group(1)));
        }
      }
    }
    if(matcher.contains(input,templatePattern))
    {
      combined.add(new Integer(matcher.getMatch().group(1)));
    }  
    template = combined.toArray();  
  }

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          Perl5Compiler.CASE_INSENSITIVE_MASK | Perl5Compiler.READ_ONLY_MASK
              | Perl5Compiler.MULTILINE_MASK);
      final Pattern pattern1 = cp.compile(URI_PATTERN,
              Perl5Compiler.CASE_INSENSITIVE_MASK | Perl5Compiler.READ_ONLY_MASK
                  | Perl5Compiler.MULTILINE_MASK);
      final PatternMatcher matcher = new Perl5Matcher();


      final PatternMatcher matcher1 = new Perl5Matcher();
      final PatternMatcherInput input = new PatternMatcherInput(plainText);


      MatchResult result;
      String url;


      //loop the matches
      while (matcher.contains(input, pattern)) {
        result = matcher.getMatch();
        url = result.group(2);
        PatternMatcherInput input1 = new PatternMatcherInput(url);
        if (!matcher1.matches(input1, pattern1)) {
          //if (LOG.isTraceEnabled()) { LOG.trace(" - invalid '" + url + "'"); }
          continue;
        }
        if (url.startsWith("www.")) {
            url = "http://" + url;

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            return;
        }
        // Contains Strings and Integers
        List<Object> combined = new ArrayList<Object>();
        String rawTemplate = getTemplate();
        PatternMatcher matcher = JMeterUtils.getMatcher();
        Pattern templatePattern = JMeterUtils.getPatternCache().getPattern("\\$(\\d+)\\$"  // $NON-NLS-1$
                , Perl5Compiler.READ_ONLY_MASK
                & Perl5Compiler.SINGLELINE_MASK);
        if (log.isDebugEnabled()) {
            log.debug("Pattern = " + templatePattern.getPattern());
            log.debug("template = " + rawTemplate);
        }
        int beginOffset = 0;
        MatchResult currentResult;
        PatternMatcherInput pinput = new PatternMatcherInput(rawTemplate);
        while(matcher.contains(pinput, templatePattern)) {
            currentResult = matcher.getMatch();
            final int beginMatch = currentResult.beginOffset(0);
            if (beginMatch > beginOffset) { // string is not empty
                combined.add(rawTemplate.substring(beginOffset, beginMatch));
            }
            combined.add(Integer.valueOf(currentResult.group(1)));// add match as Integer

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        this.regexMatch = regexMatch;
    }


    @Override
    public JMeterProperty transformValue(JMeterProperty prop) throws InvalidVariableException {
        PatternMatcher pm = JMeterUtils.getMatcher();
        Pattern pattern = null;
        PatternCompiler compiler = new Perl5Compiler();
        String input = prop.getStringValue();
        if(input == null) {
            return prop;

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     */
    private void setFieldsValues(String value) {
        if (value == null) {
            resetFieldsValues();
        } else {
            PatternMatcher matcher = new Perl5Matcher();
            if (matcher.matches(value, getAggregateFieldDefinition().getSplitPattern())) {
                MatchResult matchResult = matcher.getMatch();
                Iterator iterator = getAggregateFieldDefinition().getSplitMappingsIterator();
                while (iterator.hasNext()) {
                    SplitMapping splitMapping = (SplitMapping)iterator.next();
                    String result = matchResult.group(splitMapping.getGroup());

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      else
        return hasFailMessage() ? getFailMessage() : new ValidationError(new I18nMessage("validation.string.regexp", new String[] {regexp}, Constants.I18N_CATALOGUE));
    }
    
    private boolean matchesRegExp(String string) {
        PatternMatcher matcher = new Perl5Matcher();
        return matcher.matches(string, pattern);
    }

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    try {
      final PatternCompiler cp = new Perl5Compiler();
      final Pattern pattern = cp.compile(URL_PATTERN,
          Perl5Compiler.CASE_INSENSITIVE_MASK | Perl5Compiler.READ_ONLY_MASK
              | Perl5Compiler.MULTILINE_MASK);
      final PatternMatcher matcher = new Perl5Matcher();


      final PatternMatcherInput input = new PatternMatcherInput(plainText);


      MatchResult result;
      String url;


      //loop the matches
      while (matcher.contains(input, pattern)) {
        // if this is taking too long, stop matching
        //   (SHOULD really check cpu time used so that heavily loaded systems
        //   do not unnecessarily hit this limit.)
        if (System.currentTimeMillis() - start >= 60000L) {
          if (LOG.isWarnEnabled()) {
            LOG.warn("Time limit exceeded for getOutLinks");
          }
          break;
        }
        result = matcher.getMatch();
        url = result.group(0);
        try {
          Outlink outlink = new Outlink(url, anchor, conf);
          outlinks.add(new Outlink(url, anchor, conf));
        } catch (MalformedURLException mue) {

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      return defaultValue;
    }


    List collectAllMatches = new ArrayList();
    try {
      PatternMatcher matcher = JMeterUtils.getMatcher();
      PatternMatcherInput input = new PatternMatcherInput(textToMatch);
      while (matcher.contains(input, searchPattern)) {
        MatchResult match = matcher.getMatch();
        collectAllMatches.add(match);
      }
    } catch (NumberFormatException e) {//TODO: can this occur?
      log.error("", e); //$NON-NLS-1$
      return defaultValue;

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  }


  private Object[] generateTemplate(String rawTemplate) {
    List pieces = new ArrayList();
    List combined = new LinkedList();
    PatternMatcher matcher = JMeterUtils.getMatcher();
    Util.split(pieces, matcher, templatePattern, rawTemplate);
    PatternMatcherInput input = new PatternMatcherInput(rawTemplate);
    Iterator iter = pieces.iterator();
    boolean startsWith = isFirstElementGroup(rawTemplate);
    while (iter.hasNext()) {
      boolean matchExists = matcher.contains(input, templatePattern);
      if (startsWith) {
        if (matchExists) {
          combined.add(new Integer(matcher.getMatch().group(1)));
        }
        combined.add(iter.next());
      } else {
        combined.add(iter.next());
        if (matchExists) {
          combined.add(new Integer(matcher.getMatch().group(1)));
        }
      }
    }
    if (matcher.contains(input, templatePattern)) {
      combined.add(new Integer(matcher.getMatch().group(1)));
    }
    return combined.toArray();
  }

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      return;
    }
    List pieces = new ArrayList();
    List combined = new LinkedList();
    String rawTemplate = getTemplate();
    PatternMatcher matcher = JMeterUtils.getMatcher();
    Pattern templatePattern = JMeterUtils.getPatternCache().getPattern("\\$(\\d+)\\$"  // $NON-NLS-1$
                , Perl5Compiler.READ_ONLY_MASK
        & Perl5Compiler.SINGLELINE_MASK);
    log.debug("Pattern = " + templatePattern);
    log.debug("template = " + rawTemplate);
    Util.split(pieces, matcher, templatePattern, rawTemplate);
    PatternMatcherInput input = new PatternMatcherInput(rawTemplate);
    boolean startsWith = isFirstElementGroup(rawTemplate);
    log.debug("template split into " + pieces.size() + " pieces, starts with = " + startsWith);
    if (startsWith) {
      pieces.remove(0);// Remove initial empty entry
    }
    Iterator iter = pieces.iterator();
    while (iter.hasNext()) {
      boolean matchExists = matcher.contains(input, templatePattern);
      if (startsWith) {
        if (matchExists) {
          combined.add(new Integer(matcher.getMatch().group(1)));
        }
        combined.add(iter.next());
      } else {
        combined.add(iter.next());
        if (matchExists) {
          combined.add(new Integer(matcher.getMatch().group(1)));
        }
      }
    }
    if (matcher.contains(input, templatePattern)) {
      log.debug("Template does end with template pattern");
      combined.add(new Integer(matcher.getMatch().group(1)));
    }
    template = combined.toArray();
  }

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