Method updateBodyText

java/org/apache/tomcat/util/digester/Digester.java:2147–2163

Return a new StringBuilder containing the same contents as the input buffer, except that data of form ${varname} have been replaced by the value of that var as defined in the system property.

(StringBuilder bodyText)

     * have been replaced by the value of that var as defined in the system property.
     */
    private StringBuilder updateBodyText(StringBuilder bodyText) {
        String in = bodyText.toString();
        String out;
        try {
            out = IntrospectionUtils.replaceProperties(in, null, source, getClassLoader());
        } catch (Exception e) {
            return bodyText; // return unchanged data
        }

        if (out == in) {
            // No substitutions required. Don't waste memory creating
            // a new buffer
            return bodyText;
        } else {
            return new StringBuilder(out);
        }
    }


    private static class EntityResolverWrapper implements EntityResolver {