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

Field Summary

Fields

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

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	TopiaCsvImports()

Method Summary

Methods

Modifier and Type	Method and 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.util.csv.Import<E> importer, CsvImportResult<T> csvResult)
static <T extends TopiaEntityEnum,E extends TopiaEntity> Iterable<E>	importAllEntitiesAndReturnThem(TopiaDAO<E> dao, TableMeta<T> meta, org.nuiton.util.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, org.nuiton.util.csv.ImportToMap importer, CsvImportResult<T> csvResult, int nbRowBuffer)
static <T extends TopiaEntityEnum> void	importAssociation(TopiaContext tx, AssociationMeta<T> meta, Map<String,TopiaEntity> universe, org.nuiton.util.csv.ImportToMap importer, CsvImportResult<T> csvResult, int nbRowBuffer)
static <T extends TopiaEntityEnum> void	importNMAssociation(TopiaContext tx, AssociationMeta<T> meta, org.nuiton.util.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.util.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.util.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.

Methods inherited from class java.lang.Object

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

Field Detail

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 Detail

TopiaCsvImports

protected TopiaCsvImports()

Method Detail

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)

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.util.csv.Import<E> importer,
                                                                       CsvImportResult<T> csvResult)
                              throws TopiaException

Throws:

TopiaException

importAllEntitiesAndReturnThem

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

Throws:

TopiaException