com.google.cloud.dataflow.sdk.util

Class DataflowPathValidator

java.lang.Object

com.google.cloud.dataflow.sdk.util.DataflowPathValidator

All Implemented Interfaces:

PathValidator

public class DataflowPathValidator
extends Object
implements PathValidator

GCP implementation of PathValidator. Only GCS paths are allowed.

Method Summary

Modifier and Type	Method and Description
static DataflowPathValidator	fromOptions(PipelineOptions options)
String	validateInputFilePatternSupported(String filepattern) Validates the the input GCS path is accessible and that the path is well formed.
String	validateOutputFilePrefixSupported(String filePrefix) Validates the the output GCS path is accessible and that the path is well formed.
String	verifyPath(String path) Validate that a path is a valid path and that the path is accessible.

Methods inherited from class java.lang.Object

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

Method Detail

fromOptions

public static DataflowPathValidator fromOptions(PipelineOptions options)

validateInputFilePatternSupported

public String validateInputFilePatternSupported(String filepattern)

Validates the the input GCS path is accessible and that the path is well formed.

Specified by:

validateInputFilePatternSupported in interface PathValidator

Parameters:

filepattern - The file pattern to verify.

Returns:

The post-validation filepattern.

validateOutputFilePrefixSupported

public String validateOutputFilePrefixSupported(String filePrefix)

Validates the the output GCS path is accessible and that the path is well formed.

Specified by:

validateOutputFilePrefixSupported in interface PathValidator

Parameters:

filePrefix - the file prefix to verify.

Returns:

The post-validation filePrefix.

verifyPath

public String verifyPath(String path)

Description copied from interface: PathValidator

Validate that a path is a valid path and that the path is accessible.

Specified by:

verifyPath in interface PathValidator

Parameters:

path - The path to verify.

Returns:

The post-validation path.