Class JDBCDecoderImpl

java.lang.Object
io.vertx.jdbcclient.spi.JDBCDecoderImpl
All Implemented Interfaces:
JDBCDecoder
public class JDBCDecoderImpl extends Object implements JDBCDecoder

  • Constructor Summary

    Constructors
    Constructor
    Description
    JDBCDecoderImpl()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    Object
    cast(Object value)
    Try cast SQL value to standard Java value depends on standard JDBC 4.2 type mapping and compatible with Vertx
    Object
    decode(io.vertx.jdbcclient.impl.actions.JDBCColumnDescriptor descriptor, io.vertx.jdbcclient.impl.actions.SQLValueProvider valueProvider)
    Convert the SQL value to Java value based on jdbc type
    protected Object
    decodeArray(io.vertx.jdbcclient.impl.actions.SQLValueProvider valueProvider, io.vertx.jdbcclient.impl.actions.JDBCColumnDescriptor descriptor)
     
    protected Object
    decodeArray(Array value, io.vertx.jdbcclient.impl.actions.JDBCColumnDescriptor baseType)
     
    protected Object
    decodeBinary(io.vertx.jdbcclient.impl.actions.SQLValueProvider valueProvider, io.vertx.jdbcclient.impl.actions.JDBCColumnDescriptor descriptor)
    Convert a value from JDBCTypeWrapper.isBinaryType() datatype to Buffer.
    protected Object
    decodeDateTime(io.vertx.jdbcclient.impl.actions.SQLValueProvider valueProvider, io.vertx.jdbcclient.impl.actions.JDBCColumnDescriptor descriptor)
    Convert a value from date time JDBCType to Java date time
    protected Object
    decodeLink(io.vertx.jdbcclient.impl.actions.SQLValueProvider valueProvider, io.vertx.jdbcclient.impl.actions.JDBCColumnDescriptor descriptor)
    Convert a value from JDBCType.DATALINK datatype to URL
    protected Object
    decodeNumber(io.vertx.jdbcclient.impl.actions.SQLValueProvider valueProvider, io.vertx.jdbcclient.impl.actions.JDBCColumnDescriptor descriptor)
    Convert a value from Number JDBCType to Number
    protected Object
    decodeSpecificVendorType(io.vertx.jdbcclient.impl.actions.SQLValueProvider valueProvider, io.vertx.jdbcclient.impl.actions.JDBCColumnDescriptor descriptor)
    Convert a value from the specific SQL vendor data type to Java value
    protected Object
    decodeStruct(io.vertx.jdbcclient.impl.actions.SQLValueProvider valueProvider, io.vertx.jdbcclient.impl.actions.JDBCColumnDescriptor descriptor)
    Convert a value from JDBCType.STRUCT datatype to Tuple
    protected Object
    decodeUnhandledType(io.vertx.jdbcclient.impl.actions.SQLValueProvider valueProvider, io.vertx.jdbcclient.impl.actions.JDBCColumnDescriptor descriptor)
    Convert a value from the unhandled data type
    protected Object
    decodeXML(io.vertx.jdbcclient.impl.actions.SQLValueProvider valueProvider, io.vertx.jdbcclient.impl.actions.JDBCColumnDescriptor descriptor)
    Convert a value from JDBCType.SQLXML datatype to Buffer
    protected Object
    getCoerceObject(io.vertx.jdbcclient.impl.actions.SQLValueProvider valueProvider, Class<?> cls)
     
    Object
    parse(CallableStatement cs, int pos, JDBCColumnDescriptorProvider jdbcTypeLookup)
    Parse SQL value to Java value
    Object
    parse(ResultSet rs, int pos, JDBCColumnDescriptorProvider jdbcTypeLookup)
    Parse SQL value to Java value
    protected String
    readerToString(Reader reader, Class<?> dataTypeClass)
     
    protected Buffer
    streamToBuffer(InputStream is, Class<?> dataTypeClass)
     

    Methods inherited from class Object

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

  • Constructor Details

    • JDBCDecoderImpl

      public JDBCDecoderImpl()

  • Method Details

    • parse

      public Object parse(ResultSet rs, int pos, JDBCColumnDescriptorProvider jdbcTypeLookup) throws SQLException
      Description copied from interface: JDBCDecoder
      Parse SQL value to Java value
      Specified by:
      parse in interface JDBCDecoder
      Parameters:
      rs - JDBC result set
      pos - the Database column position
      jdbcTypeLookup - JDBCType provider
      Returns:
      java value
      Throws:
      SQLException - if any error in parsing
      See Also:

    • parse

      public Object parse(CallableStatement cs, int pos, JDBCColumnDescriptorProvider jdbcTypeLookup) throws SQLException
      Description copied from interface: JDBCDecoder
      Parse SQL value to Java value
      Specified by:
      parse in interface JDBCDecoder
      Parameters:
      cs - JDBC callable statement
      pos - the parameter column position
      jdbcTypeLookup - JDBCType provider
      Returns:
      java value
      Throws:
      SQLException - if any error in parsing
      See Also:

    • decode

      public Object decode(io.vertx.jdbcclient.impl.actions.JDBCColumnDescriptor descriptor, io.vertx.jdbcclient.impl.actions.SQLValueProvider valueProvider) throws SQLException
      Description copied from interface: JDBCDecoder
      Convert the SQL value to Java value based on jdbc type
      Specified by:
      decode in interface JDBCDecoder
      Parameters:
      descriptor - the JDBC column descriptor
      valueProvider - the value provider
      Returns:
      java value
      Throws:
      SQLException
      See Also:
      • SQLValueProvider
      • JDBCColumnDescriptor

    • cast

      public Object cast(Object value) throws SQLException
      Description copied from interface: JDBCDecoder
      Try cast SQL value to standard Java value depends on standard JDBC 4.2 type mapping and compatible with Vertx

      For example: - java.sql.Time -> java.time.LocalTime - java.sql.Timestamp -> java.time.LocalDateTime

      Specified by:
      cast in interface JDBCDecoder
      Parameters:
      value - value
      Returns:
      a presenter value
      Throws:
      SQLException - if any error when casting

    • decodeArray

      protected Object decodeArray(io.vertx.jdbcclient.impl.actions.SQLValueProvider valueProvider, io.vertx.jdbcclient.impl.actions.JDBCColumnDescriptor descriptor) throws SQLException
      Throws:
      SQLException

    • decodeDateTime

      protected Object decodeDateTime(io.vertx.jdbcclient.impl.actions.SQLValueProvider valueProvider, io.vertx.jdbcclient.impl.actions.JDBCColumnDescriptor descriptor) throws SQLException
      Convert a value from date time JDBCType to Java date time
      Throws:
      SQLException
      See Also:
      • JDBCTypeWrapper.isDateTimeType()

    • decodeNumber

      protected Object decodeNumber(io.vertx.jdbcclient.impl.actions.SQLValueProvider valueProvider, io.vertx.jdbcclient.impl.actions.JDBCColumnDescriptor descriptor) throws SQLException
      Convert a value from Number JDBCType to Number
      Throws:
      SQLException
      See Also:
      • JDBCTypeWrapper.isNumberType()

    • decodeBinary

      protected Object decodeBinary(io.vertx.jdbcclient.impl.actions.SQLValueProvider valueProvider, io.vertx.jdbcclient.impl.actions.JDBCColumnDescriptor descriptor) throws SQLException
      Convert a value from JDBCTypeWrapper.isBinaryType() datatype to Buffer.

      Keep value as it is if the actual value's type is not byte[]

      Throws:
      SQLException
      See Also:
      • JDBCTypeWrapper.isBinaryType()

    • decodeStruct

      protected Object decodeStruct(io.vertx.jdbcclient.impl.actions.SQLValueProvider valueProvider, io.vertx.jdbcclient.impl.actions.JDBCColumnDescriptor descriptor) throws SQLException
      Convert a value from JDBCType.STRUCT datatype to Tuple

      Fallback to decodeUnhandledType(SQLValueProvider, JDBCColumnDescriptor) if the actual value's type is not Struct

      Throws:
      SQLException

    • decodeLink

      protected Object decodeLink(io.vertx.jdbcclient.impl.actions.SQLValueProvider valueProvider, io.vertx.jdbcclient.impl.actions.JDBCColumnDescriptor descriptor) throws SQLException
      Convert a value from JDBCType.DATALINK datatype to URL

      Keep value as it is if the actual value's type is not URL or String

      Throws:
      SQLException

    • decodeXML

      protected Object decodeXML(io.vertx.jdbcclient.impl.actions.SQLValueProvider valueProvider, io.vertx.jdbcclient.impl.actions.JDBCColumnDescriptor descriptor) throws SQLException
      Convert a value from JDBCType.SQLXML datatype to Buffer

      Fallback to decodeUnhandledType(SQLValueProvider, JDBCColumnDescriptor)} if the actual value's type is not SQLXML

      Throws:
      SQLException

    • decodeUnhandledType

      protected Object decodeUnhandledType(io.vertx.jdbcclient.impl.actions.SQLValueProvider valueProvider, io.vertx.jdbcclient.impl.actions.JDBCColumnDescriptor descriptor) throws SQLException
      Convert a value from the unhandled data type

      The default implementation converts any data type to a string value

      Returns:
      value
      Throws:
      SQLException
      See Also:
      • JDBCTypeWrapper.isUnhandledType()

    • decodeSpecificVendorType

      protected Object decodeSpecificVendorType(io.vertx.jdbcclient.impl.actions.SQLValueProvider valueProvider, io.vertx.jdbcclient.impl.actions.JDBCColumnDescriptor descriptor) throws SQLException
      Convert a value from the specific SQL vendor data type to Java value

      The default implementation converts any data type to a string value

      Returns:
      value
      Throws:
      SQLException
      See Also:
      • JDBCTypeWrapper.isSpecificVendorType()

    • decodeArray

      protected Object decodeArray(Array value, io.vertx.jdbcclient.impl.actions.JDBCColumnDescriptor baseType) throws SQLException
      Throws:
      SQLException

    • getCoerceObject

      protected Object getCoerceObject(io.vertx.jdbcclient.impl.actions.SQLValueProvider valueProvider, Class<?> cls) throws SQLException
      Throws:
      SQLException

    • streamToBuffer

      protected Buffer streamToBuffer(InputStream is, Class<?> dataTypeClass) throws SQLException
      Throws:
      SQLException

    • readerToString

      protected String readerToString(Reader reader, Class<?> dataTypeClass) throws SQLException
      Throws:
      SQLException