Package org.apache.hop.ui.pipeline.transform.common

Interface ICsvInputAwareTransformDialog

public interface ICsvInputAwareTransformDialog

A common interface for all transform dialogs aware of the csv input format, such as CSV Input and Text File Input Dialog

Method Summary

Modifier and Type	Method	Description
ICsvInputAwareImportProgressDialog	getCsvImportProgressDialog(ICsvInputAwareMeta meta, int samples, InputStreamReader reader)
default String[]	getFieldNames(ICsvInputAwareMeta meta)
default String[]	getFieldNamesImpl(InputStreamReader reader, ICsvInputAwareMeta meta)
InputStream	getInputStream(ICsvInputAwareMeta meta)	Returns the InputStream corresponding to the csv file, or null if the file cannot be read.
LogChannel	getLogChannel()
PipelineMeta	getPipelineMeta()
default InputStreamReader	getReader(ICsvInputAwareMeta meta, InputStream inputStream)	Returns the InputStreamReader corresponding to the csv file, or null if the file cannot be read.
IVariables	getVariables()
default String	loadFieldsImpl(ICsvInputAwareMeta meta, int samples)
default void	logError(String message)
default void	logError(String message, Exception exception)
default String	massageFieldName(String fieldName)	Custom handling of each field can be implemented here.

Method Detail

getFieldNames

default String[] getFieldNames(ICsvInputAwareMeta meta)

getFieldNamesImpl

default String[] getFieldNamesImpl(InputStreamReader reader,
                                   ICsvInputAwareMeta meta)
                            throws HopException

Throws:

HopException

massageFieldName

default String massageFieldName(String fieldName)

Custom handling of each field can be implemented here.

getInputStream

InputStream getInputStream(ICsvInputAwareMeta meta)

Returns the InputStream corresponding to the csv file, or null if the file cannot be read.

Returns:

the InputStream corresponding to the csv file, or null if the file cannot be read

getReader

default InputStreamReader getReader(ICsvInputAwareMeta meta,
                                    InputStream inputStream)

Returns the InputStreamReader corresponding to the csv file, or null if the file cannot be read.

Returns:

the InputStreamReader corresponding to the csv file, or null if the file cannot be read

loadFieldsImpl

default String loadFieldsImpl(ICsvInputAwareMeta meta,
                              int samples)

getCsvImportProgressDialog

ICsvInputAwareImportProgressDialog getCsvImportProgressDialog(ICsvInputAwareMeta meta,
                                                              int samples,
                                                              InputStreamReader reader)

logError

default void logError(String message,
                      Exception exception)

logError

default void logError(String message)

getLogChannel

LogChannel getLogChannel()

getPipelineMeta

PipelineMeta getPipelineMeta()

getVariables

IVariables getVariables()