Package org.nuiton.topia.persistence.csv.in

Class TopiaCsvImports

java.lang.Object

org.nuiton.topia.persistence.csv.in.TopiaCsvImports

public class TopiaCsvImports
extends Object

Helper for csv imports.

Since:

2.6.12

Author:

tchemit <chemit@codelutin.com>

Field Summary

Fields

Modifier and Type	Field	Description
protected static final String	INSERT_ASSOCIATION
protected static final String	UPDATE_ASSOCIATION

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	TopiaCsvImports()

Method Summary

Modifier and Type	Method	Description
static <T extends TopiaEntityEnum, M extends MetaFilenameAware<T>> Map<M,File>	discoverEntries(Iterable<M> possibleMetas, File directory, List<String> missingEntries)	Discover all files that can be imported (as a table or an association) from a directory.
static <T extends TopiaEntityEnum, M extends MetaFilenameAware<T>> Map<M,ZipEntry>	discoverEntries(String entryPrefix, Iterable<M> possibleMetas, ZipFile zipFile, List<String> missingEntries)	Discover all files that can be imported (as a table or an association) from a zipfile.
static <T extends TopiaEntityEnum, E extends TopiaEntity> void	importAllEntities(TopiaDAO<E> dao, TableMeta<T> meta, org.nuiton.csv.Import<E> importer, CsvImportResult<T> csvResult)
static <T extends TopiaEntityEnum, E extends TopiaEntity> void	importAllEntities(TopiaDAO<E> dao, TableMeta<T> meta, org.nuiton.csv.Import<E> importer, CsvImportResult<T> csvResult, int nbRowBuffer)
static <T extends TopiaEntityEnum, E extends TopiaEntity> Iterable<E>	importAllEntitiesAndReturnThem(TopiaDAO<E> dao, TableMeta<T> meta, org.nuiton.csv.Import<E> importer, CsvImportResult<T> csvResult)
static <T extends TopiaEntityEnum> void	importAssociation(Reader reader, ImportStrategy<T> importStrategy, AssociationMeta<T> meta, CsvImportResult<T> csvResult)	To import a association (given by his meta) from a reader and a strategy.
static <T extends TopiaEntityEnum> void	importAssociation(TopiaContext tx, AssociationMeta<T> meta, Map<String,TopiaEntity> universe, org.nuiton.csv.ImportToMap importer, CsvImportResult<T> csvResult, int nbRowBuffer)
static <T extends TopiaEntityEnum> void	importAssociation(TopiaContext tx, AssociationMeta<T> meta, org.nuiton.csv.ImportToMap importer, CsvImportResult<T> csvResult, int nbRowBuffer)
static <T extends TopiaEntityEnum> void	importNMAssociation(TopiaContext tx, AssociationMeta<T> meta, Map<String,TopiaEntity> universe, org.nuiton.csv.ImportToMap importer, CsvImportResult<T> csvResult, int nbRowBuffer)
static <T extends TopiaEntityEnum> void	importNMAssociation(TopiaContext tx, AssociationMeta<T> meta, org.nuiton.csv.ImportToMap importer, CsvImportResult<T> csvResult, int nbRowBuffer)
static <T extends TopiaEntityEnum, E extends TopiaEntity> void	importNotExistingEntities(TopiaDAO<E> dao, TableMeta<T> meta, Map<String,TopiaEntity> universe, org.nuiton.csv.Import<E> importer, CsvImportResult<T> csvResult)
static <T extends TopiaEntityEnum, E extends TopiaEntity> void	importTable(Reader reader, ImportStrategy<T> importStrategy, TableMeta<T> meta, CsvImportResult<T> csvResult)	To import a table (given by his meta) from a reader and a strategy.
static <T extends TopiaEntityEnum, E extends TopiaEntity> Iterable<E>	importTableAndReturn(Reader reader, ImportStrategy<T> importStrategy, TableMeta<T> meta, CsvImportResult<T> csvResult)	To import a table (given by his meta) from a reader and a strategy.

Methods inherited from class java.lang.Object

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

Field Details

UPDATE_ASSOCIATION

protected static final String UPDATE_ASSOCIATION

See Also:

• Constant Field Values

INSERT_ASSOCIATION

protected static final String INSERT_ASSOCIATION

See Also:

• Constant Field Values

Constructor Details

TopiaCsvImports

protected TopiaCsvImports()

Method Details

discoverEntries

public static <T extends TopiaEntityEnum,
M extends MetaFilenameAware<T>>
Map<M,ZipEntry> discoverEntries(String entryPrefix,
 Iterable<M> possibleMetas,
 ZipFile zipFile,
 List<String> missingEntries)

Discover all files that can be imported (as a table or an association) from a zipfile.

Type Parameters:

T - type of topia entity enum

M - type of data to import (table or association)

Parameters:

entryPrefix - prefix where to find files in the zip

possibleMetas - list of possible meta to be imported

zipFile - zip file where to seek for csv files to import

missingEntries - to fill missing files

Returns:

the map of found files indexed by his meta

discoverEntries

public static <T extends TopiaEntityEnum,
M extends MetaFilenameAware<T>>
Map<M,File> discoverEntries(Iterable<M> possibleMetas,
 File directory,
 List<String> missingEntries)

Discover all files that can be imported (as a table or an association) from a directory.

Type Parameters:

T - type of topia entity enum

M - type of data to import (table or association)

Parameters:

possibleMetas - list of possible meta to be imported

directory - directory where to seek for csv files to import

missingEntries - to fill missing files

Returns:

the map of found files indexed by his meta

importTable

public static <T extends TopiaEntityEnum,
E extends TopiaEntity>
void importTable(Reader reader,
 ImportStrategy<T> importStrategy,
 TableMeta<T> meta,
 CsvImportResult<T> csvResult)
          throws TopiaException,
IOException

To import a table (given by his meta) from a reader and a strategy. Result of import can be stored in an optional csv result.

Type Parameters:

T - type of entity enum

E - type of data

Parameters:

reader - where to read csv data

importStrategy - import strategy used to store csv data

meta - meta of the data

csvResult - optional csv result

Throws:

TopiaException - if any db problem while storing datas

IOException - if any pb while reading csv data

See Also:

• ImportStrategy.importTable(TableMeta, Import, CsvImportResult)

importTableAndReturn

public static <T extends TopiaEntityEnum,
E extends TopiaEntity>
Iterable<E> importTableAndReturn(Reader reader,
 ImportStrategy<T> importStrategy,
 TableMeta<T> meta,
 CsvImportResult<T> csvResult)
                          throws TopiaException,
IOException

To import a table (given by his meta) from a reader and a strategy. Result of import can be stored in an optional csv result.

Type Parameters:

T - type of entity enum

E - type of data

Parameters:

reader - where to read csv data

importStrategy - import strategy used to store csv data

meta - meta of the data

csvResult - optional csv result

Throws:

TopiaException - if any db problem while storing datas

IOException - if any pb while reading csv data

See Also:

• ImportStrategy.importTable(TableMeta, Import, CsvImportResult)

importAssociation

public static <T extends TopiaEntityEnum> void importAssociation(Reader reader,
 ImportStrategy<T> importStrategy,
 AssociationMeta<T> meta,
 CsvImportResult<T> csvResult)
                                                          throws IOException,
TopiaException

To import a association (given by his meta) from a reader and a strategy. Result of import can be stored in an optional csv result.

Type Parameters:

T - type of entity enum

Parameters:

reader - where to read csv data

importStrategy - import strategy used to store csv data

meta - meta of the data

csvResult - optional csv result

Throws:

TopiaException - if any db problem while storing datas

IOException - if any pb while reading csv data

See Also:

• ImportStrategy.importAssociation(AssociationMeta, ImportToMap, CsvImportResult)

importAllEntities

public static <T extends TopiaEntityEnum,
E extends TopiaEntity>
void importAllEntities(TopiaDAO<E> dao,
 TableMeta<T> meta,
 org.nuiton.csv.Import<E> importer,
 CsvImportResult<T> csvResult)
                throws TopiaException

Throws:

TopiaException

importAllEntities

public static <T extends TopiaEntityEnum,
E extends TopiaEntity>
void importAllEntities(TopiaDAO<E> dao,
 TableMeta<T> meta,
 org.nuiton.csv.Import<E> importer,
 CsvImportResult<T> csvResult,
 int nbRowBuffer)
                throws TopiaException

Throws:

TopiaException

importAllEntitiesAndReturnThem

public static <T extends TopiaEntityEnum,
E extends TopiaEntity>
Iterable<E> importAllEntitiesAndReturnThem(TopiaDAO<E> dao,
 TableMeta<T> meta,
 org.nuiton.csv.Import<E> importer,
 CsvImportResult<T> csvResult)
                                    throws TopiaException

Throws:

TopiaException

importNotExistingEntities

public static <T extends TopiaEntityEnum,
E extends TopiaEntity>
void importNotExistingEntities(TopiaDAO<E> dao,
 TableMeta<T> meta,
 Map<String,TopiaEntity> universe,
 org.nuiton.csv.Import<E> importer,
 CsvImportResult<T> csvResult)
                        throws TopiaException

Throws:

TopiaException

importAssociation

public static <T extends TopiaEntityEnum> void importAssociation(TopiaContext tx,
 AssociationMeta<T> meta,
 org.nuiton.csv.ImportToMap importer,
 CsvImportResult<T> csvResult,
 int nbRowBuffer)
                                                          throws TopiaException

Throws:

TopiaException

importNMAssociation

public static <T extends TopiaEntityEnum> void importNMAssociation(TopiaContext tx,
 AssociationMeta<T> meta,
 org.nuiton.csv.ImportToMap importer,
 CsvImportResult<T> csvResult,
 int nbRowBuffer)
                                                            throws TopiaException

Throws:

TopiaException

importNMAssociation

public static <T extends TopiaEntityEnum> void importNMAssociation(TopiaContext tx,
 AssociationMeta<T> meta,
 Map<String,TopiaEntity> universe,
 org.nuiton.csv.ImportToMap importer,
 CsvImportResult<T> csvResult,
 int nbRowBuffer)
                                                            throws TopiaException

Throws:

TopiaException

importAssociation

public static <T extends TopiaEntityEnum> void importAssociation(TopiaContext tx,
 AssociationMeta<T> meta,
 Map<String,TopiaEntity> universe,
 org.nuiton.csv.ImportToMap importer,
 CsvImportResult<T> csvResult,
 int nbRowBuffer)
                                                          throws TopiaException

Throws:

TopiaException