src/main/java/org/apache/commons/validator/UrlValidator.java [405:432]:
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            return false;
        }

        return true;
    }

    /**
     * Returns true if the query is null, or it's a properly formatted query string.
     * @param query Query value to validate.
     * @return true if query is valid.
     */
    protected boolean isValidQuery(final String query) {
        if (query == null) {
            return true;
        }

        return QUERY_PATTERN.matcher(query).matches();
    }

    /**
     * Validate scheme. If schemes[] was initialized to a non-null,
     * then only those schemes are allowed.  Note this is slightly different
     * than for the constructor.
     * @param scheme The scheme to validate.  A {@code null} value is considered
     * invalid.
     * @return true if valid.
     */
    protected boolean isValidScheme(final String scheme) {
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src/main/java/org/apache/commons/validator/routines/UrlValidator.java [491:518]:
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            return false;
        }

        return true;
    }

    /**
     * Returns true if the query is null, or it's a properly formatted query string.
     * @param query Query value to validate.
     * @return true if query is valid.
     */
    protected boolean isValidQuery(final String query) {
        if (query == null) {
            return true;
        }
        return QUERY_PATTERN.matcher(query).matches();
    }

    /**
     * Validate scheme. If schemes[] was initialized to a non-null,
     * then only those schemes are allowed.
     * Otherwise, the default schemes are "http", "https", "ftp".
     * Matching is case-blind.
     * @param scheme The scheme to validate.  A {@code null} value is considered
     * invalid.
     * @return true if valid.
     */
    protected boolean isValidScheme(final String scheme) {
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