scriptella.driver.text

Class AbstractTextConnection

java.lang.Object

scriptella.spi.AbstractConnection

scriptella.driver.text.AbstractTextConnection

All Implemented Interfaces:

Connection

Direct Known Subclasses:

CsvConnection, TextConnection, VelocityConnection

public abstract class AbstractTextConnection
extends AbstractConnection

Base class for Text/CSV connections.

Version:

1.0

Author:

Fyodor Kupolov

Nested Class Summary

Nested classes/interfaces inherited from class scriptella.spi.AbstractConnection

AbstractConnection.StatementCounter

Field Summary

Fields

Modifier and Type	Field and Description
static String	ENCODING Name of the encoding connection property.
static String	EOL Name of the eol connection property.
static String	FLUSH Name of the flush connection property.
static String	FORMAT_PREFIX Prefix for properties containing a definition of the column format.
static String	NULL_STRING Name of the null_string connection property.
static String	SKIP_LINES Name of the skip_lines connection property.
static String	TRIM Name of the trim connection property.

Fields inherited from class scriptella.spi.AbstractConnection

counter

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractTextConnection() For testing only.
protected	AbstractTextConnection(DialectIdentifier dialectIdentifier, ConnectionParameters parameters) Initializes a text connection using specified properties.
protected	AbstractTextConnection(DialectIdentifier dialectIdentifier, TextConnectionParameters parameters)

Method Summary

Modifier and Type	Method and Description
protected TextConnectionParameters	getConnectionParameters()
protected Reader	newInputReader() Creates a new reader for input.
protected Writer	newOutputWriter() Creates a new writer to send output to.

Methods inherited from class scriptella.spi.AbstractConnection

commit, getDialectIdentifier, getExecutedStatementsCount, isReadonly, rollback, setDialectIdentifier, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface scriptella.spi.Connection

close, executeQuery, executeScript

Field Detail

ENCODING

public static final String ENCODING

Name of the encoding connection property. Specifies charset encoding in text files.

See Also:

Constant Field Values

EOL

public static final String EOL

Name of the eol connection property. EOL suffix. Default value is \n.

See Also:

Constant Field Values

TRIM

public static final String TRIM

Name of the trim connection property. Value of true specifies that the leading and trailing whitespaces should be omitted.

See Also:

Constant Field Values

FLUSH

public static final String FLUSH

Name of the flush connection property. Value of true specifies that the outputted content should flushed immediately after the <script> element completes.

See Also:

Constant Field Values

SKIP_LINES

public static final String SKIP_LINES

Name of the skip_lines connection property. The number of lines to skip before start reading. Default value is 0 (no lines are skipped).

Only valid for <query> elements.

See Also:

Constant Field Values

NULL_STRING

public static final String NULL_STRING

Name of the null_string connection property. If set, specifies value of a string token to be parsed/formatted as Java null literal.

See Also:

Constant Field Values

FORMAT_PREFIX

public static final String FORMAT_PREFIX

Prefix for properties containing a definition of the column format.

See Also:

Constant Field Values

Constructor Detail

AbstractTextConnection

protected AbstractTextConnection()

For testing only.

AbstractTextConnection

protected AbstractTextConnection(DialectIdentifier dialectIdentifier,
                                 ConnectionParameters parameters)

Initializes a text connection using specified properties.

Parameters:

dialectIdentifier -

parameters -

AbstractTextConnection

protected AbstractTextConnection(DialectIdentifier dialectIdentifier,
                                 TextConnectionParameters parameters)

Method Detail

newOutputWriter

protected Writer newOutputWriter()
                          throws IOException

Creates a new writer to send output to.

Returns:

writer for output.

Throws:

IOException - if IO error occured.

newInputReader

protected Reader newInputReader()
                         throws IOException

Creates a new reader for input.

Returns:

reader for input.

Throws:

IOException - if IO error occured.

getConnectionParameters

protected TextConnectionParameters getConnectionParameters()