Package io.vertx.jdbcclient.spi

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 Buffer	streamToBuffer(InputStream is, Class<?> dataTypeClass)

Methods inherited from class java.lang.Object

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

Constructor Detail

JDBCDecoderImpl

public JDBCDecoderImpl()

Method Detail

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:

ResultSet, JDBCColumnDescriptorProvider

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:

CallableStatement, JDBCColumnDescriptorProvider

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