Java PatternSyntaxException類代碼示例

import java.util.regex.PatternSyntaxException; //導入依賴的package包/類
public boolean isValidPetName(String name)
{
	boolean result = true;
	
	if (!isAlphaNumeric(name))
	{
		return result;
	}
	
	Pattern pattern;
	try
	{
		pattern = Pattern.compile(Config.PET_NAME_TEMPLATE);
	}
	catch (PatternSyntaxException e) // case of illegal pattern
	{
		LOGGER.warning(getClass().getSimpleName() + ": Pet name pattern of config is wrong!");
		pattern = Pattern.compile(".*");
	}
	final Matcher regexp = pattern.matcher(name);
	if (!regexp.matches())
	{
		result = false;
	}
	return result;
}
 

import java.util.regex.PatternSyntaxException; //導入依賴的package包/類
public void uploadSkipRegexFieldDidChange(NSNotification sender) {
    String value = this.uploadSkipRegexField.string().trim();
    if(StringUtils.EMPTY.equals(value)) {
        preferences.setProperty("queue.upload.skip.enable", false);
        preferences.setProperty("queue.upload.skip.regex", value);
        this.uploadSkipButton.setState(NSCell.NSOffState);
    }
    try {
        Pattern compiled = Pattern.compile(value);
        preferences.setProperty("queue.upload.skip.regex",
                compiled.pattern());
        this.mark(this.uploadSkipRegexField.textStorage(), null);
    }
    catch(PatternSyntaxException e) {
        this.mark(this.uploadSkipRegexField.textStorage(), e);
    }
}
 

import java.util.regex.PatternSyntaxException; //導入依賴的package包/類
protected int compareBranches() {
    String val1 = ((StringNode)left).getValue();
    String val2 = ((StringNode)right).getValue();
    
    int val2Len = val2.length();
    if (val2Len > 1 && val2.charAt(0) == '/' &&
            val2.charAt(val2Len - 1) == '/') {
        // Treat as a regular expression
        String expr = val2.substring(1, val2Len - 1);
        try {
            Pattern pattern = Pattern.compile(expr);
            // Regular expressions will only ever be used with EqualNode
            // so return zero for equal and non-zero for not equal
            if (pattern.matcher(val1).find()) {
                return 0;
            } else {
                return -1;
            }
        } catch (PatternSyntaxException pse) {
            ssiMediator.log("Invalid expression: " + expr, pse);
            return 0;
        }
    }
    return val1.compareTo(val2);
}
 

import java.util.regex.PatternSyntaxException; //導入依賴的package包/類
private static boolean isValidName(String text)
{
    boolean result = true;
    String test = text;
    Pattern pattern;
    try
    {
        pattern = Pattern.compile(Config.CNAME_TEMPLATE);
    }
    catch(PatternSyntaxException e)
    {
        _log.warning("ERROR : Character name pattern of config is wrong!");
        pattern = Pattern.compile(".*");
    }
    Matcher regexp = pattern.matcher(test);
    if(!regexp.matches())
        result = false;
    return result;
}
 

import java.util.regex.PatternSyntaxException; //導入依賴的package包/類
private boolean isValidName(String text)
{
        boolean result = true;
        String test = text;
        Pattern pattern;
        try
        {
            pattern = Pattern.compile(Config.CNAME_TEMPLATE);
        }
        catch (PatternSyntaxException e) // case of illegal pattern
        {
        	_log.warning("ERROR : Character name pattern of config is wrong!");
            pattern = Pattern.compile(".*");
        }
        Matcher regexp = pattern.matcher(test);
        if (!regexp.matches())
        {
                result = false;
        }
        return result;
}
 

import java.util.regex.PatternSyntaxException; //導入依賴的package包/類
/**
 * Tries to compile the regular expression pattern, thus checking its
 * validity. In case of success, the compiled pattern is stored to {@link #textPattern},
 * otherwise the field is set to {@code null}.
 *
 * <p>Actually, this method defines a pattern used in searching, i.e. it
 * defines behaviour of the searching. It should be the same as behavior of
 * the Find action (Ctrl+F) in the Editor to avoid any confusions (see Bug
 * #175101). Hence, this implementation should specify default flags in the
 * call of the method {@link Pattern#compile(java.lang.String, int)
 * java.util.regex.Pattern.compile(String regex, int flags)} that are the
 * same as in the implementation of the Find action (i.e in the method {@code getFinder}
 * of the class {@code org.netbeans.modules.editor.lib2.search.DocumentFinder}).
 * </p>
 *
 * @return {@code true} if the regexp pattern expression was valid; {@code false}
 * otherwise
 */
private static Pattern compileRegexpPattern(SearchPattern sp)
        throws PatternSyntaxException {

    assert sp != null;
    assert sp.getSearchExpression() != null;
    assert sp.isRegExp();

    boolean multiline = canBeMultilinePattern(sp.getSearchExpression());

    if (LOG.isLoggable(Level.FINEST)) {
        LOG.log(Level.FINEST, " - textPatternExpr = \"{0}{1}",
                new Object[]{sp.getSearchExpression(), '"'});   //NOI18N
    }
    int flags = 0;
    if (!sp.isMatchCase()) {
        flags |= Pattern.CASE_INSENSITIVE;
        flags |= Pattern.UNICODE_CASE;
    }
    flags |= Pattern.MULTILINE; // #175101
    return Pattern.compile(sp.getSearchExpression(), flags);


}
 

import java.util.regex.PatternSyntaxException; //導入依賴的package包/類
public static void testTriggersEventPatternIncorrect(KnowledgeBaseType type) {
    Engine engine = null;

    try {
        engine = ScriptTestUtils.startWithKnowledgeBase(type, "triggers_event_pattern_incorrect");
        fail("Expected pattern syntax exception");
    } catch (SpongeException e) {
        if (ExceptionUtils.indexOfThrowable(e, PatternSyntaxException.class) < 0) {
            throw e;
        }
    } finally {
        if (engine != null) {
            engine.shutdown();
        }
    }
}
 

import java.util.regex.PatternSyntaxException; //導入依賴的package包/類
/**
 * Sets proper color of file pattern.
 */
private void updateFileNamePatternColor() {

    boolean wasInvalid = patternValid;
    String pattern = getFileNamePattern();

    if (pattern == null || pattern.isEmpty()) {
        patternValid = true;
    } else {
        try {
            Pattern p = RegexpUtil.makeFileNamePattern(
                    SearchScopeOptions.create(getFileNamePattern(), regexp));
            if (p == null) {
                patternValid = false;
            } else {
                patternValid = true;
            }
        } catch (PatternSyntaxException e) {
            patternValid = false;
        }
    }
    if (patternValid != wasInvalid && !isAllFilesInfoDisplayed()) {
        fileNamePatternEditor.setForeground(
                patternValid ? defaultColor : UiUtils.getErrorTextColor());
    }
}
 

import java.util.regex.PatternSyntaxException; //導入依賴的package包/類
public static List<String> getMatchinIgnoreParterns(List<String> patterns, String value, boolean onlyFirstMatch)  {
    List<String> ret = new ArrayList<String>();
    if(patterns == null) return ret;
    for (Iterator<String> i = patterns.iterator(); i.hasNext();) {
        try {
            // may contain shell patterns (almost identical to RegExp)
            String patternString  = i.next();
            String shellPatternString = regExpToFilePatterns(patternString);
            Pattern pattern =  Pattern.compile(shellPatternString);
            if (pattern.matcher(value).matches()) {
                ret.add(patternString);
                if(onlyFirstMatch) {
                    return ret;
                }
            }
        } catch (PatternSyntaxException e) {
            // it's difference between shell and regexp
            // or user error (set invalid property), rethrow?
            Subversion.LOG.log(Level.INFO, null, e);
        }
    }
    return ret;
}
 

import java.util.regex.PatternSyntaxException; //導入依賴的package包/類
/**
 * Scan a JavaScript regexp string returning a Java safe regex string.
 *
 * @param string
 *            JavaScript regexp string.
 * @return Java safe regex string.
 */
public static RegExpScanner scan(final String string) {
    final RegExpScanner scanner = new RegExpScanner(string);

    try {
        scanner.disjunction();
    } catch (final Exception e) {
        throw new PatternSyntaxException(e.getMessage(), string, scanner.position);
    }

    scanner.processForwardReferences();

    // Throw syntax error unless we parsed the entire JavaScript regexp without syntax errors
    if (scanner.position != string.length()) {
        final String p = scanner.getStringBuilder().toString();
        throw new PatternSyntaxException(string, p, p.length() + 1);
    }

    return scanner;
}
 

import java.util.regex.PatternSyntaxException; //導入依賴的package包/類
private void documentChanged() {
    if (suppressEvents) {
        return;
    }
    String pat = namePattern.getText().trim();
    if (!"".equals(pat)) {
        // check the pattern is OK
        try {
            Pattern p = Pattern.compile(pat);
        } catch (PatternSyntaxException ex) {
            namePattern.setBackground(errorBkColor);
            return;
        }
        namePattern.setBackground(defaultBkColor);
    }
    prefs.put(ConstantNameHint.PREF_CONSTANT_NAME_PATTERN, pat);
}
 

import java.util.regex.PatternSyntaxException; //導入依賴的package包/類
private static Difference[] parseNormalDiff(Reader in) throws IOException {
    Pattern normRegexp;
    try {
        normRegexp = Pattern.compile(CmdlineDiffProvider.DIFF_REGEXP);
    } catch (PatternSyntaxException rsex) {
        normRegexp = null;
    }
    StringBuffer firstText = new StringBuffer();
    StringBuffer secondText = new StringBuffer();
    BufferedReader br = new BufferedReader(in);
    List<Difference> diffs = new ArrayList<Difference>();
    String line;
    while ((line = br.readLine()) != null) {
        CmdlineDiffProvider.outputLine(line, normRegexp, diffs, firstText, secondText);
    }
    CmdlineDiffProvider.setTextOnLastDifference(diffs, firstText, secondText);
    return diffs.toArray(new Difference[diffs.size()]);
}
 

import java.util.regex.PatternSyntaxException; //導入依賴的package包/類
private synchronized void prepareOverviewFilter() {
    if (overviewLabelFilters != null) {
        return;
    }
    String filter = NbBundle.getMessage(JavadocSearchType.class, "FILTER_OverviewIndiceLabel"); // NOI18N
    StringTokenizer tok = new StringTokenizer(filter, "\n"); // NOI18N
    List<Pattern> ll = new LinkedList<Pattern>();
    while (tok.hasMoreTokens()) {
        try {
            String expr = tok.nextToken();
            Pattern re = Pattern.compile(expr);
            ll.add(re);
        } catch (PatternSyntaxException e) {
            ErrorManager.getDefault().notify(ErrorManager.INFORMATIONAL, e);
        }
    }
    overviewLabelFilters = ll.toArray(new Pattern[ll.size()]);
}
 

import java.util.regex.PatternSyntaxException; //導入依賴的package包/類
private Attribute[] getMatchingAttributes(Attributes attributes, String regex) throws OperatorException {
	Pattern pattern = null;
	try {
		pattern = Pattern.compile(regex);
	} catch (PatternSyntaxException e) {
		throw new UserError(this, 206, regex, e.getMessage());
	}
	List<Attribute> attributeList = new LinkedList<>();
	Iterator<Attribute> iterator = attributes.allAttributes();
	while (iterator.hasNext()) {
		Attribute attribute = iterator.next();
		if (pattern.matcher(attribute.getName()).matches()) {
			attributeList.add(attribute);
		}
	}

	// building array of attributes for faster access.
	Attribute[] attributesArray = new Attribute[attributeList.size()];
	attributesArray = attributeList.toArray(attributesArray);
	return attributesArray;
}
 

import java.util.regex.PatternSyntaxException; //導入依賴的package包/類
public RegexpPropertyMatcher(String name, String value, int flags) {

            if (name == null) {
                throw new IllegalArgumentException("Property name must not be null!");
            }

            if (value == null) {
                throw new IllegalArgumentException("Property value pattern must not be null!");
            }

            this.name = name;

            try {
                valuePattern = Pattern.compile(value, flags);
            } catch (PatternSyntaxException e) {
                throw new IllegalArgumentException("Bad pattern: " + value);
            }
        }