Module bus.pager
Package org.miaixz.bus.pager.handler

Class SqlParserHandler

java.lang.Object
org.miaixz.bus.mapper.handler.AbstractSqlHandler
org.miaixz.bus.pager.handler.SqlParserHandler
Direct Known Subclasses:
ConditionHandler, OperationHandler, PaginationHandler
public class SqlParserHandler extends org.miaixz.bus.mapper.handler.AbstractSqlHandler
Abstract SQL parsing class that provides functionality for parsing and processing SQL statements. This class uses JSQLParser to handle different types of SQL statements (INSERT, SELECT, UPDATE, DELETE).
Since:
Java 17+
Author:
Kimi Liu

  • Field Summary

    Fields inherited from class org.miaixz.bus.mapper.handler.AbstractSqlHandler

    DEFAULT_REFLECTOR_FACTORY, DELEGATE_BOUNDSQL, DELEGATE_BOUNDSQL_SQL, DELEGATE_MAPPEDSTATEMENT, MAPPEDSTATEMENT

  • Constructor Summary

    Constructors
    Constructor
    Description
    SqlParserHandler()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    static net.sf.jsqlparser.statement.Statement
    parse(String sql)
    Parses a single SQL statement string.
    String
    parserMulti(String sql, Object object)
    Parses and processes multiple SQL statements.
    String
    parserSingle(String sql, Object object)
    Parses and processes a single SQL statement.
    static net.sf.jsqlparser.statement.Statements
    parseStatements(String sql)
    Parses multiple SQL statement strings.
    protected void
    processDelete(net.sf.jsqlparser.statement.delete.Delete delete, int index, String sql, Object object)
    Processes a DELETE statement.
    protected void
    processInsert(net.sf.jsqlparser.statement.insert.Insert insert, int index, String sql, Object object)
    Processes an INSERT statement.
    protected String
    processParser(net.sf.jsqlparser.statement.Statement statement, int index, String sql, Object object)
    Executes the SQL statement parsing and processing.
    protected void
    processSelect(net.sf.jsqlparser.statement.select.Select select, int index, String sql, Object object)
    Processes a SELECT statement.
    protected void
    processUpdate(net.sf.jsqlparser.statement.update.Update update, int index, String sql, Object object)
    Processes an UPDATE statement.
    protected static void
    validateSql(String sql)
    Validates an SQL string to prevent potential injection risks.

    Methods inherited from class org.miaixz.bus.mapper.handler.AbstractSqlHandler

    getMappedStatement, getMappedStatement, getMetaObject, getSqlParserInfo, mapperBoundSql, mapperStatementHandler, realTarget, setAdditionalParameter

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

    • SqlParserHandler

      public SqlParserHandler()

  • Method Details

    • parse

      public static net.sf.jsqlparser.statement.Statement parse(String sql) throws net.sf.jsqlparser.JSQLParserException
      Parses a single SQL statement string.
      Parameters:
      sql - the SQL statement string
      Returns:
      the parsed Statement object
      Throws:
      net.sf.jsqlparser.JSQLParserException - if parsing fails

    • parseStatements

      public static net.sf.jsqlparser.statement.Statements parseStatements(String sql) throws net.sf.jsqlparser.JSQLParserException
      Parses multiple SQL statement strings.
      Parameters:
      sql - the SQL statement string containing one or more statements
      Returns:
      the parsed Statements object
      Throws:
      net.sf.jsqlparser.JSQLParserException - if parsing fails

    • parserSingle

      public String parserSingle(String sql, Object object)
      Parses and processes a single SQL statement.
      Parameters:
      sql - the SQL statement string
      object - an additional object for processing
      Returns:
      the processed SQL statement string
      Throws:
      org.miaixz.bus.core.lang.exception.InternalException - if parsing fails

    • parserMulti

      public String parserMulti(String sql, Object object)
      Parses and processes multiple SQL statements.
      Parameters:
      sql - the SQL statement string containing one or more statements
      object - an additional object for processing
      Returns:
      the processed SQL statements, separated by semicolons
      Throws:
      org.miaixz.bus.core.lang.exception.InternalException - if parsing fails

    • processParser

      protected String processParser(net.sf.jsqlparser.statement.Statement statement, int index, String sql, Object object)
      Executes the SQL statement parsing and processing.
      Parameters:
      statement - the JSQLParser parsed statement object
      index - the index of the statement (for multiple statements)
      sql - the original SQL statement
      object - an additional object for processing
      Returns:
      the processed SQL statement string

    • processInsert

      protected void processInsert(net.sf.jsqlparser.statement.insert.Insert insert, int index, String sql, Object object)
      Processes an INSERT statement. This method should be overridden by subclasses to provide specific handling.
      Parameters:
      insert - the INSERT statement object
      index - the index of the statement
      sql - the original SQL statement
      object - an additional object for processing
      Throws:
      UnsupportedOperationException - by default, as INSERT processing is not supported

    • processDelete

      protected void processDelete(net.sf.jsqlparser.statement.delete.Delete delete, int index, String sql, Object object)
      Processes a DELETE statement. This method should be overridden by subclasses to provide specific handling.
      Parameters:
      delete - the DELETE statement object
      index - the index of the statement
      sql - the original SQL statement
      object - an additional object for processing
      Throws:
      UnsupportedOperationException - by default, as DELETE processing is not supported

    • processUpdate

      protected void processUpdate(net.sf.jsqlparser.statement.update.Update update, int index, String sql, Object object)
      Processes an UPDATE statement. This method should be overridden by subclasses to provide specific handling.
      Parameters:
      update - the UPDATE statement object
      index - the index of the statement
      sql - the original SQL statement
      object - an additional object for processing
      Throws:
      UnsupportedOperationException - by default, as UPDATE processing is not supported

    • processSelect

      protected void processSelect(net.sf.jsqlparser.statement.select.Select select, int index, String sql, Object object)
      Processes a SELECT statement. This method should be overridden by subclasses to provide specific handling.
      Parameters:
      select - the SELECT statement object
      index - the index of the statement
      sql - the original SQL statement
      object - an additional object for processing
      Throws:
      UnsupportedOperationException - by default, as SELECT processing is not supported

    • validateSql

      protected static void validateSql(String sql)
      Validates an SQL string to prevent potential injection risks.
      Parameters:
      sql - the SQL statement string to validate
      Throws:
      org.miaixz.bus.core.lang.exception.InternalException - if the SQL script validation fails