org.apache.avro.tool

Interface Tool

All Known Implementing Classes:

BinaryFragmentToJsonTool, CatTool, ConcatTool, CreateRandomFileTool, DataFileGetMetaTool, DataFileGetSchemaTool, DataFileReadTool, DataFileRepairTool, DataFileWriteTool, FromTextTool, IdlTool, IdlToSchemataTool, InduceSchemaTool, JsonToBinaryFragmentTool, RecodecTool, RecordCountTool, RpcProtocolTool, RpcReceiveTool, RpcSendTool, SchemaFingerprintTool, SchemaNormalizationTool, SpecificCompilerTool, TetherTool, ToTextTool, ToTrevniTool, TrevniCreateRandomTool, TrevniMetadataTool, TrevniToJsonTool

public interface Tool

Command-line "avro-tools" utilities should implement this interface for delegation by Main.

Method Summary

Modifier and Type	Method and Description
String	getName() Name of tool, to be used in listings.
String	getShortDescription() 1-line description to be used in command listings.
int	run(InputStream in, PrintStream out, PrintStream err, List<String> args) Runs the tool with supplied arguments.

Method Detail

run

int run(InputStream in,
        PrintStream out,
        PrintStream err,
        List<String> args)
 throws Exception

Runs the tool with supplied arguments. Input and output streams are customizable for easier testing.

Parameters:

in - Input stream to read data (typically System.in).

out - Output of tool (typically System.out).

err - Error stream (typically System.err).

args - Non-null list of arguments.

Returns:

result code (0 for success)

Throws:

Exception - Just like main(), tools may throw Exception.

getName

String getName()

Name of tool, to be used in listings.

getShortDescription

String getShortDescription()

1-line description to be used in command listings.