Example usage for java.util.regex Matcher appendTail

Introduction

In this page you can find the example usage for java.util.regex Matcher appendTail.

Prototype

public StringBuilder appendTail(StringBuilder sb) 

Source Link

Document

Implements a terminal append-and-replace step.

Usage

From source file:com.adobe.acs.commons.rewriter.impl.StaticReferenceRewriteTransformerFactory.java

private String handleMatchingPatternAttribute(Pattern pattern, String attrValue) {
    String unescapedValue = StringEscapeUtils.unescapeHtml(attrValue);
    Matcher m = pattern.matcher(unescapedValue);
    StringBuffer sb = new StringBuffer(unescapedValue.length());

    while (m.find()) {
        String url = m.group(1);/*  w w w  . ja  v a  2  s.  c om*/
        for (String prefix : prefixes) {
            if (url.startsWith(prefix)) {
                // prepend host
                url = prependHostName(url);
                m.appendReplacement(sb, Matcher.quoteReplacement(url));
                // First prefix match wins
                break;
            }
        }

    }
    m.appendTail(sb);

    return sb.toString();
}

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From source file:com.qumoon.commons.web.HTMLInputChecker.java

protected String decodeEntities(String s) {
    StringBuffer buf = new StringBuffer();

    Pattern p = Pattern.compile("&#(\\d+);?");
    Matcher m = p.matcher(s);
    while (m.find()) {
        String match = m.group(1);
        int decimal = Integer.decode(match).intValue();
        appendReplacement(m, buf, HTMLInputChecker.chr(decimal));
    }//from ww  w.j  av a  2s . com
    m.appendTail(buf);
    s = buf.toString();

    buf = new StringBuffer();
    p = Pattern.compile("&#x([0-9a-f]+);?");
    m = p.matcher(s);
    while (m.find()) {
        String match = m.group(1);
        int decimal = Integer.decode(match).intValue();
        appendReplacement(m, buf, HTMLInputChecker.chr(decimal));
    }
    m.appendTail(buf);
    s = buf.toString();

    buf = new StringBuffer();
    p = Pattern.compile("%([0-9a-f]{2});?");
    m = p.matcher(s);
    while (m.find()) {
        String match = m.group(1);
        int decimal = Integer.decode(match).intValue();
        appendReplacement(m, buf, HTMLInputChecker.chr(decimal));
    }
    m.appendTail(buf);
    s = buf.toString();

    s = validateEntities(s);
    return s;
}

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From source file:org.rhq.plugins.jbossas.script.ScriptComponent.java

private String replacePropertyPatterns(String envVars) {
    Pattern pattern = Pattern.compile("(%([^%]*)%)");
    Matcher matcher = pattern.matcher(envVars);
    Configuration parentPluginConfig = this.resourceContext.getParentResourceComponent()
            .getPluginConfiguration();/*from  w  w  w .j a  va 2  s.co m*/
    StringBuffer buffer = new StringBuffer();
    while (matcher.find()) {
        String propName = matcher.group(2);
        PropertySimple prop = parentPluginConfig.getSimple(propName);
        String propPattern = matcher.group(1);
        String replacement = (prop != null) ? prop.getStringValue() : propPattern;
        matcher.appendReplacement(buffer, Matcher.quoteReplacement(replacement));
    }

    matcher.appendTail(buffer);
    return buffer.toString();
}

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From source file:org.freeplane.features.export.mindmapmode.ExportWithXSLT.java

String getProperty(final String key) {
    final String property = getProperty(key, null);
    if (property == null)
        return property;
    Matcher r = propertyReferenceEpression.matcher(property);
    r.reset();/*ww w  . java2 s .  c o  m*/
    boolean result = r.find();
    if (result) {
        StringBuffer sb = new StringBuffer();
        do {
            String propertyReference = r.group();
            String propertyName = propertyReference.substring(2, propertyReference.length() - 1);
            r.appendReplacement(sb, System.getProperty(propertyName, propertyReference));
            result = r.find();
        } while (result);
        r.appendTail(sb);
        return sb.toString();
    }
    return property;
}

---

From source file:com.haulmont.cuba.gui.components.filter.edit.CustomConditionFrame.java

protected String replaceParamWithQuestionMark(String where) {
    String res = StringUtils.trim(where);
    if (!StringUtils.isBlank(res)) {
        Matcher matcher = QueryParserRegex.PARAM_PATTERN.matcher(res);
        StringBuffer sb = new StringBuffer();
        while (matcher.find()) {
            if (!matcher.group().startsWith(":session$"))
                matcher.appendReplacement(sb, "?");
        }/*  w  w w.  ja v  a 2s  .  c o m*/
        matcher.appendTail(sb);
        return sb.toString();
    }
    return res;
}

---

From source file:org.echocat.jomon.resources.optimizing.MakeCssResourcePathAbsoluteOptimizer.java

@Nonnull
protected String handleCssBody(@Nonnull String oldCssBody, @Nonnull String uri,
        @Nonnull OptimizationContext context) throws Exception {
    final Matcher matcher = PATTERN.matcher(oldCssBody);
    final StringBuffer sb = new StringBuffer();
    while (matcher.find()) {
        final String oldMatch = matcher.group();
        final String oldUri = matcher.group(3) != null ? matcher.group(3) : matcher.group(2);
        final String uriContent = matcher.group(1) != null ? matcher.group(1) : oldUri;

        final String newUri = newUri(uri, oldUri, context);
        if (newUri != null && !oldUri.equals(newUri)) {
            final String newReplacement = Matcher.quoteReplacement(oldMatch.replace(uriContent, newUri));
            matcher.appendReplacement(sb, newReplacement);
        }//from  w  ww.  j  av a  2s.  com
    }
    matcher.appendTail(sb);
    return sb.toString();
}

---

From source file:io.hops.hopsworks.api.jupyter.URITemplateProxyServlet.java

@Override
protected void service(HttpServletRequest servletRequest, HttpServletResponse servletResponse)
        throws ServletException, IOException {

    //First collect params
    /*/*from   w  w  w  .  j  a  va  2s. c om*/
     * Do not use servletRequest.getParameter(arg) because that will
     * typically read and consume the servlet InputStream (where our
     * form data is stored for POST). We need the InputStream later on.
     * So we'll parse the query string ourselves. A side benefit is
     * we can keep the proxy parameters in the query string and not
     * have to add them to a URL encoded form attachment.
     */
    String queryString = "?" + servletRequest.getQueryString();//no "?" but might have "#"
    int hash = queryString.indexOf('#');
    if (hash >= 0) {
        queryString = queryString.substring(0, hash);
    }
    List<NameValuePair> pairs;
    try {
        //note: HttpClient 4.2 lets you parse the string without building the URI
        pairs = URLEncodedUtils.parse(new URI(queryString), "UTF-8");
    } catch (URISyntaxException e) {
        throw new ServletException("Unexpected URI parsing error on " + queryString, e);
    }
    LinkedHashMap<String, String> params = new LinkedHashMap<>();
    for (NameValuePair pair : pairs) {
        params.put(pair.getName(), pair.getValue());
    }

    //Now rewrite the URL
    StringBuffer urlBuf = new StringBuffer();//note: StringBuilder isn't supported by Matcher
    Matcher matcher = TEMPLATE_PATTERN.matcher(targetUriTemplate);
    while (matcher.find()) {
        String arg = matcher.group(1);
        String replacement = params.remove(arg);//note we remove
        if (replacement != null) {
            matcher.appendReplacement(urlBuf, replacement);
            port = replacement;
        } else if (port != null) {
            matcher.appendReplacement(urlBuf, port);
        } else {
            throw new ServletException("Missing HTTP parameter " + arg + " to fill the template");
        }
    }
    matcher.appendTail(urlBuf);
    String newTargetUri = urlBuf.toString();
    servletRequest.setAttribute(ATTR_TARGET_URI, newTargetUri);
    try {
        targetUriObj = new URI(newTargetUri);
    } catch (Exception e) {
        throw new ServletException("Rewritten targetUri is invalid: " + newTargetUri, e);
    }
    servletRequest.setAttribute(ATTR_TARGET_HOST, URIUtils.extractHost(targetUriObj));

    //Determine the new query string based on removing the used names
    StringBuilder newQueryBuf = new StringBuilder(queryString.length());
    for (Map.Entry<String, String> nameVal : params.entrySet()) {
        if (newQueryBuf.length() > 0) {
            newQueryBuf.append('&');
        }
        newQueryBuf.append(nameVal.getKey()).append('=');
        if (nameVal.getValue() != null) {
            newQueryBuf.append(nameVal.getValue());
        }
    }
    servletRequest.setAttribute(ATTR_QUERY_STRING, newQueryBuf.toString());

    // Create Exchange object with targetUriObj
    // create transport object
    //    ServiceProxy sp = new ServiceProxy();
    //    sp.setTargetUrl(ATTR_TARGET_URI);
    //    super.service(servletRequest, servletResponse);

    //              RouterUtil.initializeRoutersFromSpringWebContext(appCtx, config.
    //              getServletContext(), getProxiesXmlLocation(config));
}

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From source file:org.pentaho.platform.plugin.services.metadata.SessionAwareRowLevelSecurityHelper.java

@Override
protected String expandFunctions(String formula, String user, List<String> roles) {
    formula = super.expandFunctions(formula, user, roles);

    // "expand" any SESSION('var')

    IPentahoSession session = PentahoSessionHolder.getSession();

    Pattern p = Pattern.compile("SESSION\\(\"(.*?)\"\\)"); //$NON-NLS-1$
    Matcher m = p.matcher(formula);
    StringBuffer sb = new StringBuffer(formula.length());
    while (m.find()) {
        String text = m.group(1);
        String value = null;//from  w ww  .  j  a va 2  s  . com
        if (session.getAttribute(text) != null) {
            value = session.getAttribute(text).toString();
        } else {
            logger.warn(Messages.getInstance()
                    .getString("SessionAwareRowLevelSecurityHelper.WARN_0001_NULL_ATTRIBUTE", text, user)); //$NON-NLS-1$
            return "FALSE()"; //$NON-NLS-1$
        }
        // escape string if necessary (double quote quotes)
        m.appendReplacement(sb, Matcher.quoteReplacement(value.replaceAll("\"", "\"\""))); //$NON-NLS-1$ //$NON-NLS-2$
    }
    m.appendTail(sb);
    return sb.toString();
}

---

From source file:com.qumoon.commons.web.HTMLInputChecker.java

protected String escapeComments(String s) {
    Matcher m = escapeCommentsPattern.matcher(s);
    StringBuffer buf = new StringBuffer();
    if (m.find()) {
        String match = m.group(1); // (.*?)
        appendReplacement(m, buf, "<!--" + HTMLInputChecker.htmlSpecialChars(match) + "-->");
    }/*from  w w  w .  j  a  v a 2  s. c o  m*/
    m.appendTail(buf);

    return buf.toString();
}

---

From source file:com.qumoon.commons.web.HTMLInputChecker.java

protected String validateEntities(String s) {
    // validate entities throughout the string
    Pattern p = Pattern.compile("&([^&;]*)(?=(;|&|$))");
    Matcher m = p.matcher(s);
    StringBuffer buf = new StringBuffer();
    if (m.find()) {
        String one = m.group(1); // ([^&;]*)
        String two = m.group(2); // (?=(;|&|$))
        appendReplacement(m, buf, checkEntity(one, two));
    }/* w  ww  .j a  va  2s  .com*/
    m.appendTail(buf);
    s = buf.toString();

    // validate quotes outside of tags
    p = Pattern.compile("(>|^)([^<]+?)(<|$)", Pattern.DOTALL);
    m = p.matcher(s);
    buf = new StringBuffer();
    if (m.find()) {
        String one = m.group(1); // (>|^)
        String two = m.group(2); // ([^<]+?)
        String three = m.group(3); // (<|$)
        appendReplacement(m, buf, one + two.replaceAll("\"", "&quot;") + three);
    }
    m.appendTail(buf);

    return s;
}

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