Examples with PatternMatcher org.apache.oro.text.regex.PatternMatcher used on opensource projects

Example 6 with PatternMatcher

use of org.apache.oro.text.regex.PatternMatcher in project tdi-studio-se by Talend.

the class MapperComponent method hasOrRenameData.

/**
     * 
     * DOC amaumont Comment method "hasOrRenameData".
     * 
     * @param oldName
     * @param newName can be null if <code>renameAction</code> is false
     * @param renameAction true to rename in all expressions, false to get boolean if present in one of the expressions
     * @return
     */
@Override
protected boolean hasOrRenameData(String oldName, String newName, boolean renameAction) {
    if (oldName == null || newName == null && renameAction) {
        throw new NullPointerException();
    }
    if (externalData != null) {
        List<ExternalMapperTable> tables = new ArrayList<ExternalMapperTable>(externalData.getInputTables());
        tables.addAll(externalData.getOutputTables());
        if (externalData.getVarsTables() != null) {
            tables.addAll(externalData.getVarsTables());
        }
        for (ExternalMapperTable table : tables) {
            if (table.getExpressionFilter() != null) {
                Pattern pattern = getRenamePattern(oldName);
                if (pattern != null) {
                    PatternMatcher matcher = new Perl5Matcher();
                    ((Perl5Matcher) matcher).setMultiline(true);
                    if (renameAction) {
                        Perl5Substitution substitution = getRenameSubstitution(newName);
                        String expression = renameDataIntoExpression(pattern, matcher, substitution, table.getExpressionFilter());
                        table.setExpressionFilter(expression);
                    } else {
                        if (hasDataIntoExpression(pattern, matcher, table.getExpressionFilter())) {
                            return true;
                        }
                    }
                }
            }
            List<ExternalMapperTableEntry> metadataTableEntries = table.getMetadataTableEntries();
            if (metadataTableEntries != null) {
                // loop on all entries of current table
                for (ExternalMapperTableEntry entry : metadataTableEntries) {
                    if (hasOrRenameEntry(entry, oldName, newName, renameAction)) {
                        // existed
                        return true;
                    }
                }
            // for (ExternalMapperTableEntry entry : metadataTableEntries) {
            }
            if (table.getConstraintTableEntries() != null) {
                for (ExternalMapperTableEntry entry : table.getConstraintTableEntries()) {
                    if (hasOrRenameEntry(entry, oldName, newName, renameAction)) {
                        // existed
                        return true;
                    }
                }
            }
        }
    }
    return false;
}

Example 7 with PatternMatcher

use of org.apache.oro.text.regex.PatternMatcher in project tdi-studio-se by Talend.

the class NodeQueryCheckUtil method apacheRegexMatch.

/**
     * See bug 5836. java.util.regex works too slow here. Use apache oro regex library instead.
     * <p>
     * DOC xye Comment method "apacheRegexMatch".
     * 
     * @param patternString
     * @param flag
     * @param input
     * @return
     */
private static boolean apacheRegexMatch(final String patternString, final int flag, final String input) {
    PatternCompiler pc = new Perl5Compiler();
    org.apache.oro.text.regex.Pattern pattern = null;
    try {
        pattern = pc.compile(patternString, flag);
        PatternMatcher columnMatcher = new Perl5Matcher();
        return columnMatcher.matches(input, pattern);
    } catch (MalformedPatternException e) {
        return false;
    }
}

Example 8 with PatternMatcher

use of org.apache.oro.text.regex.PatternMatcher in project jmeter by apache.

the class RegexExtractor method initTemplate.

private void initTemplate() {
    if (template != null) {
        return;
    }
    // Contains Strings and Integers
    List<Object> combined = new ArrayList<>();
    String rawTemplate = getTemplate();
    PatternMatcher matcher = JMeterUtils.getMatcher();
    Pattern templatePattern = // $NON-NLS-1$
    JMeterUtils.getPatternCache().getPattern(// $NON-NLS-1$
    "\\$(\\d+)\\$", Perl5Compiler.READ_ONLY_MASK & Perl5Compiler.SINGLELINE_MASK);
    if (log.isDebugEnabled()) {
        log.debug("Pattern = '{}', template = '{}'", templatePattern.getPattern(), 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));
        }
        // add match as Integer
        combined.add(Integer.valueOf(currentResult.group(1)));
        beginOffset = currentResult.endOffset(0);
    }
    if (beginOffset < rawTemplate.length()) {
        // trailing string is not empty
        combined.add(rawTemplate.substring(beginOffset, rawTemplate.length()));
    }
    if (log.isDebugEnabled()) {
        log.debug("Template item count: {}", combined.size());
        int i = 0;
        for (Object o : combined) {
            log.debug("Template item-{}: {} '{}'", i++, o.getClass(), o);
        }
    }
    template = combined;
}

Example 9 with PatternMatcher

use of org.apache.oro.text.regex.PatternMatcher in project jmeter by apache.

the class RegexFunction method generateTemplate.

private Object[] generateTemplate(String rawTemplate) {
    List<String> pieces = new ArrayList<>();
    // String or Integer
    List<Object> combined = new LinkedList<>();
    PatternMatcher matcher = JMeterUtils.getMatcher();
    Util.split(pieces, matcher, templatePattern, rawTemplate);
    PatternMatcherInput input = new PatternMatcherInput(rawTemplate);
    boolean startsWith = isFirstElementGroup(rawTemplate);
    if (startsWith) {
        // Remove initial empty entry
        pieces.remove(0);
    }
    Iterator<String> iter = pieces.iterator();
    while (iter.hasNext()) {
        boolean matchExists = matcher.contains(input, templatePattern);
        if (startsWith) {
            if (matchExists) {
                combined.add(Integer.valueOf(matcher.getMatch().group(1)));
            }
            combined.add(iter.next());
        } else {
            combined.add(iter.next());
            if (matchExists) {
                combined.add(Integer.valueOf(matcher.getMatch().group(1)));
            }
        }
    }
    if (matcher.contains(input, templatePattern)) {
        combined.add(Integer.valueOf(matcher.getMatch().group(1)));
    }
    return combined.toArray();
}

Example 10 with PatternMatcher

use of org.apache.oro.text.regex.PatternMatcher in project jmeter by apache.

the class RegexFunction method execute.

/** {@inheritDoc} */
@Override
public String execute(SampleResult previousResult, Sampler currentSampler) throws InvalidVariableException {
    //$NON-NLS-1$
    String valueIndex = "";
    //$NON-NLS-1$
    String defaultValue = "";
    //$NON-NLS-1$ 
    String between = "";
    //$NON-NLS-1$
    String name = "";
    //$NON-NLS-1$
    String inputVariable = "";
    Pattern searchPattern;
    Object[] tmplt;
    try {
        searchPattern = JMeterUtils.getPatternCache().getPattern(((CompoundVariable) values[0]).execute(), Perl5Compiler.READ_ONLY_MASK);
        tmplt = generateTemplate(((CompoundVariable) values[1]).execute());
        if (values.length > 2) {
            valueIndex = ((CompoundVariable) values[2]).execute();
        }
        if (valueIndex.length() == 0) {
            //$NON-NLS-1$
            valueIndex = "1";
        }
        if (values.length > 3) {
            between = ((CompoundVariable) values[3]).execute();
        }
        if (values.length > 4) {
            String dv = ((CompoundVariable) values[4]).execute();
            if (dv.length() != 0) {
                defaultValue = dv;
            }
        }
        if (values.length > 5) {
            name = ((CompoundVariable) values[5]).execute();
        }
        if (values.length > 6) {
            inputVariable = ((CompoundVariable) values[6]).execute();
        }
    } catch (MalformedCachePatternException e) {
        log.error("Malformed cache pattern:" + values[0], e);
        throw new InvalidVariableException("Malformed cache pattern:" + values[0], e);
    }
    // Relatively expensive operation, so do it once
    JMeterVariables vars = getVariables();
    if (vars == null) {
        // Can happen if called during test closedown
        return defaultValue;
    }
    if (name.length() > 0) {
        vars.put(name, defaultValue);
    }
    String textToMatch = null;
    if (inputVariable.length() > 0) {
        textToMatch = vars.get(inputVariable);
    } else if (previousResult != null) {
        textToMatch = previousResult.getResponseDataAsString();
    }
    if (textToMatch == null || textToMatch.length() == 0) {
        return defaultValue;
    }
    List<MatchResult> collectAllMatches = new ArrayList<>();
    try {
        PatternMatcher matcher = JMeterUtils.getMatcher();
        PatternMatcherInput input = new PatternMatcherInput(textToMatch);
        while (matcher.contains(input, searchPattern)) {
            MatchResult match = matcher.getMatch();
            if (match != null) {
                collectAllMatches.add(match);
            }
        }
    } finally {
        if (name.length() > 0) {
            //$NON-NLS-1$
            vars.put(name + "_matchNr", Integer.toString(collectAllMatches.size()));
        }
    }
    if (collectAllMatches.isEmpty()) {
        return defaultValue;
    }
    if (valueIndex.equals(ALL)) {
        StringBuilder value = new StringBuilder();
        Iterator<MatchResult> it = collectAllMatches.iterator();
        boolean first = true;
        while (it.hasNext()) {
            if (!first) {
                value.append(between);
            } else {
                first = false;
            }
            value.append(generateResult(it.next(), name, tmplt, vars));
        }
        return value.toString();
    } else if (valueIndex.equals(RAND)) {
        MatchResult result = collectAllMatches.get(ThreadLocalRandom.current().nextInt(collectAllMatches.size()));
        return generateResult(result, name, tmplt, vars);
    } else {
        try {
            int index = Integer.parseInt(valueIndex) - 1;
            if (index >= collectAllMatches.size()) {
                return defaultValue;
            }
            MatchResult result = collectAllMatches.get(index);
            return generateResult(result, name, tmplt, vars);
        } catch (NumberFormatException e) {
            float ratio = Float.parseFloat(valueIndex);
            MatchResult result = collectAllMatches.get((int) (collectAllMatches.size() * ratio + .5) - 1);
            return generateResult(result, name, tmplt, vars);
        }
    }
}