Package net.sf.jasperreports.engine.util

Class JRQueryParser

  • public class JRQueryParser
extends java.lang.Object
    Report query parser.
    Author:
    Lucian Chirita (lucianc@users.sourceforge.net)

    • Field Detail

      • EXCEPTION_MESSAGE_KEY_TOKEN_SEPARATORS_NOT_CONFIGURED

        public static final java.lang.String EXCEPTION_MESSAGE_KEY_TOKEN_SEPARATORS_NOT_CONFIGURED
        See Also:
        Constant Field Values

    • Constructor Detail

      • JRQueryParser

        public JRQueryParser()

    • Method Detail

      • instance

        public static JRQueryParser instance()
        Returns a query parser instance.
        Returns:
        a query parser instance

      • parse

        public void parse​(java.lang.String text,
                  JRQueryChunkHandler chunkHandler)
        Parses a report query.
        Parameters:
        text - the query text
        chunkHandler - a handler that will be asked to handle parsed query chunks

      • parseClause

        protected void parseClause​(JRQueryChunkHandler chunkHandler,
                           java.lang.String clauseChunk)

      • determineClauseTokenSeparator

        protected char determineClauseTokenSeparator​(java.lang.String clauseChunk)

      • getTokenSeparators

        protected java.lang.String getTokenSeparators()

      • asText

        public java.lang.String asText​(JRQueryChunk[] chunks)
        (Re)creates the query text from a list of chunks.
        Parameters:
        chunks - the chunks
        Returns:
        the recreated query text

      • asClauseText

        public java.lang.String asClauseText​(java.lang.String[] tokens,
                                     java.lang.Character separator)
        (Re)constructs a query clause chunk from the chunk tokens.
        Parameters:
        tokens - the chunk tokens
        separator - the chunk tokens separator character
        Returns:
        the reconstructed query clause chunk
        See Also:
        JRQueryChunk.TYPE_CLAUSE_TOKENS

      • defaultTokenSeparator

        protected char defaultTokenSeparator()