com.j_spaces.jdbc

Class SQLUtil

java.lang.Object

com.j_spaces.jdbc.SQLUtil

public class SQLUtil
extends Object

SQLUtil defines utility methods for the SQL query classes

Since:

5.1

Version:

1.0

Author:

anna

Constructor Summary

Constructors

Constructor and Description
SQLUtil()

Method Summary

Modifier and Type	Method and Description
static Object	cast(ITypeDesc typeDesc, String propertyName, Object obj, boolean isPreparedValue) Verifies that the correct type of object is supplied for given column.
static ITypeDesc	checkTableExistence(String tableName, IJSpace space) Checks if given table (class name) exists in space
static String	convertAsciiInputStreamToString(InputStream inputStream, int inputStreamLength) Converts an ascii input stream to a string
static byte[]	convertInputStreamToByteArray(InputStream inputStream, int inputStreamLength) Converts an input stream to a byte array
static String	convertReaderToString(Reader reader, int readerLength) Convert a reader to a string
static IRemoteJSpaceAdmin	getAdmin(IJSpace space) Get this space admin
static Object	getFieldValue(IEntryPacket e, ITypeDesc typeDesc, String propertyName)
static Object	getFieldValue(IEntryPacket entry, QueryColumnData columnData)

Methods inherited from class java.lang.Object

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

Constructor Detail

SQLUtil

public SQLUtil()

Method Detail

cast

public static Object cast(ITypeDesc typeDesc,
                          String propertyName,
                          Object obj,
                          boolean isPreparedValue)
                   throws SQLException

Verifies that the correct type of object is supplied for given column. If types don't match - object is converted to the column type.

Throws:

SQLException

getFieldValue

public static Object getFieldValue(IEntryPacket e,
                                   ITypeDesc typeDesc,
                                   String propertyName)

getFieldValue

public static Object getFieldValue(IEntryPacket entry,
                                   QueryColumnData columnData)

getAdmin

public static IRemoteJSpaceAdmin getAdmin(IJSpace space)
                                   throws RemoteException

Get this space admin

Throws:

RemoteException

checkTableExistence

public static ITypeDesc checkTableExistence(String tableName,
                                            IJSpace space)
                                     throws SQLException

Checks if given table (class name) exists in space

Throws:

SQLException

convertInputStreamToByteArray

public static byte[] convertInputStreamToByteArray(InputStream inputStream,
                                                   int inputStreamLength)
                                            throws IOException

Converts an input stream to a byte array

Parameters:

inputStream - The input stream

inputStreamLength - Number of bytes to read from input stream

Returns:

The converted input stream as a byte array

Throws:

IOException

convertAsciiInputStreamToString

public static String convertAsciiInputStreamToString(InputStream inputStream,
                                                     int inputStreamLength)
                                              throws IOException

Converts an ascii input stream to a string

Parameters:

inputStream - The input stream to convert to string

inputStreamLength - The number of bytes to read from input stream

Returns:

The input stream as a string

Throws:

IOException

convertReaderToString

public static String convertReaderToString(Reader reader,
                                           int readerLength)
                                    throws IOException

Convert a reader to a string

Parameters:

reader - The reader

readerLength - The number of characters to read from the reader

Returns:

The converted reader as a string

Throws:

IOException