String expectedChecksum = new String(bytes, StandardCharsets.UTF_8);

            // remove whitespaces at the end
            expectedChecksum = expectedChecksum.trim();

            // check for 'ALGO (name) = CHECKSUM' like used by openssl
            if (expectedChecksum.regionMatches(true, 0, "MD", 0, 2)
                    || expectedChecksum.regionMatches(true, 0, "SHA", 0, 3)) {

            strings = new ArrayList<>();

            for (XmlNode child : dom.getChildren()) {
                String string = child.getValue();
                if (string != null) {
                    string = string.trim();
                    if (!string.isEmpty()) {
                        strings.add(string);
                    }
                }
            }
        }

        return strings;
    }

                    groupId, artifactId, getVersion(), type, "The version cannot be empty.");
        }
    }

    private boolean empty(String value) {
        return (value == null) || (value.trim().length() < 1);
    }

    @Override
    public String getClassifier() {
        return classifier;
    }

    @Override
    public boolean hasClassifier() {

        if (versioning != null) {
            String timestamp = versioning.getLastUpdated() == null
                    ? ""
                    : versioning.getLastUpdated().trim();

            if (versioning.getRelease() != null
                    && !versioning.getRelease().isEmpty()
                    && timestamp.compareTo(versions.releaseTimestamp) > 0) {

java.io.IOException; public String toString(); } org/codehaus/plexus/util/StringUtils.class package org.codehaus.plexus.util; public synchronized class StringUtils { public void StringUtils(); public static String clean(String); public static String trim(String); public static String deleteWhitespace(String); public static boolean isNotEmpty(String); public static boolean isEmpty(String); public static boolean equals(String, String); public static boolean equalsIgnoreCase(String, String); public static...