net.sf.jailer.xml

Class XmlExportTransformer

java.lang.Object

net.sf.jailer.database.Session.AbstractResultSetReader

net.sf.jailer.xml.XmlExportTransformer

All Implemented Interfaces:

Session.ResultSetReader

public class XmlExportTransformer
extends Session.AbstractResultSetReader

A Session.ResultSetReader that writes the read rows into an XML file.

Author:

Ralf Wisser

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	XmlExportTransformer.TableMapping Holds XML mapping information.

Field Summary

Fields

Modifier and Type	Field and Description
static long	numberOfExportedEntities Counts the exported entities.
static long	numberOfExportedLOBs Counts the exported LOBs.

Constructor Summary

Constructors

Constructor and Description

XmlExportTransformer(java.io.OutputStream out, java.lang.String commentHeader, EntityGraph entityGraph, java.util.Set<Table> totalProgress, java.util.Set<Table> cyclicAggregatedTables, java.lang.String rootTag, java.lang.String datePattern, java.lang.String timestampPattern, Session session, ScriptFormat scriptFormat, java.nio.charset.Charset charset, ExecutionContext executionContext) Constructor.

Method Summary

Modifier and Type	Method and Description
void	close() Flushes the export-reader.
void	endDocument() Closes the XML document.
XmlExportTransformer.TableMapping	getTableMapping(Table table) Gets the xml mapping for a table.
void	readCurrentRow(java.sql.ResultSet resultSet) Reads result-set and writes into export-script.
void	setTable(Table table) Sets the table to read from.
void	setTableIsSubject(boolean tableIsSubject)

Methods inherited from class net.sf.jailer.database.Session.AbstractResultSetReader

getCellContentConverter, getMetaData, init

Methods inherited from class java.lang.Object

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

Field Detail

numberOfExportedEntities

public static long numberOfExportedEntities

Counts the exported entities. (GUI support)

numberOfExportedLOBs

public static long numberOfExportedLOBs

Counts the exported LOBs. (GUI support)

Constructor Detail

XmlExportTransformer

public XmlExportTransformer(java.io.OutputStream out,
                            java.lang.String commentHeader,
                            EntityGraph entityGraph,
                            java.util.Set<Table> totalProgress,
                            java.util.Set<Table> cyclicAggregatedTables,
                            java.lang.String rootTag,
                            java.lang.String datePattern,
                            java.lang.String timestampPattern,
                            Session session,
                            ScriptFormat scriptFormat,
                            java.nio.charset.Charset charset,
                            ExecutionContext executionContext)
                     throws javax.xml.transform.TransformerConfigurationException,
                            org.xml.sax.SAXException,
                            java.sql.SQLException

Constructor.

Parameters:

out - to write the xml into

commentHeader - comment at top of document

entityGraph - the entity graph

totalProgress - set of all tables for which entities exist in entityGraph

rootTag - root tag name

datePattern - pattern for dates

timestampPattern - pattern for time-stamps

scriptFormat -

Throws:

java.sql.SQLException

javax.xml.transform.TransformerConfigurationException

org.xml.sax.SAXException

Method Detail

readCurrentRow

public void readCurrentRow(java.sql.ResultSet resultSet)
                    throws java.sql.SQLException

Reads result-set and writes into export-script.

Parameters:

resultSet - the result-set

Throws:

java.sql.SQLException

setTable

public void setTable(Table table)

Sets the table to read from.

setTableIsSubject

public void setTableIsSubject(boolean tableIsSubject)

Parameters:

tableIsSubject - true iff table is subject

endDocument

public void endDocument()
                 throws org.xml.sax.SAXException

Closes the XML document.

Throws:

org.xml.sax.SAXException

close

public void close()

Flushes the export-reader.

Specified by:

close in interface Session.ResultSetReader

Overrides:

close in class Session.AbstractResultSetReader

getTableMapping

public XmlExportTransformer.TableMapping getTableMapping(Table table)
                                                  throws org.xml.sax.SAXException,
                                                         java.io.IOException

Gets the xml mapping for a table.

Parameters:

table - the table

Returns:

xml mapping for table

Throws:

org.xml.sax.SAXException

java.io.IOException