import java.util.Map;
import java.util.Properties;
+import static org.z3950.zing.cql.Utils.*;
+
/**
* Represents a node in a CQL parse-tree.
throws PQFTranslationException;
/**
- * Returns a String of spaces for indenting to the specified level.
- */
- protected static String indent(int level) { return Utils.indent(level); }
-
- /**
- * Returns the argument String quoted for XML.
- * For example, each occurrence of <TT><</TT> is translated to
- * <TT>&lt;</TT>.
- */
- protected static String xq(String str) { return Utils.xq(str); }
-
- /**
* Renders a parser-tree into a BER-endoded packet representing an
* equivalent Z39.50 Type-1 query. If you don't know what that
* means, then you don't need this method :-) This is useful