org.apache.lens.cli.commands

Class BaseLensCommand

java.lang.Object

org.apache.lens.cli.commands.BaseLensCommand

All Implemented Interfaces:

org.springframework.shell.core.CommandMarker, org.springframework.shell.core.ExecutionProcessor

Direct Known Subclasses:

LensConnectionCommands, LensCRUDCommand, LensLogResourceCommands, LensQueryCommands

public class BaseLensCommand
extends Object
implements org.springframework.shell.core.ExecutionProcessor

The Class BaseLensCommand.

Field Summary

Fields

Modifier and Type	Field and Description
static String	DATE_FMT
static ThreadLocal<DateFormat>	DATE_PARSER

Constructor Summary

Constructors

Constructor and Description
BaseLensCommand() Instantiates a new base lens command.

Method Summary

Modifier and Type	Method and Description
void	afterReturningInvocation(org.springframework.shell.event.ParseResult parseResult, Object o)
void	afterThrowingInvocation(org.springframework.shell.event.ParseResult parseResult, Throwable throwable)
org.springframework.shell.event.ParseResult	beforeInvocation(org.springframework.shell.event.ParseResult parseResult) This Code piece allows lens cli to be able to parse list arguments.
static String	formatDate(Date dt)
String	formatJson(Object data) Pretty printing JSON object into CLI String.
LensClient	getClient()
static LensClientSingletonWrapper	getClientWrapper()
String	getOrDefaultQueryHandleString(String queryHandleString)
String	getValidPath(File path, boolean shouldBeDirectory, boolean shouldExist) Method that uses PathValidator to get appropriate path.
String	removePrefixBeforeURI(String path) Method to remove unrequired prefix from path.
void	setClient(LensClient client)

Methods inherited from class java.lang.Object

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

Field Detail

DATE_FMT

public static final String DATE_FMT

See Also:

Constant Field Values

DATE_PARSER

public static final ThreadLocal<DateFormat> DATE_PARSER

Constructor Detail

BaseLensCommand

public BaseLensCommand()

Instantiates a new base lens command.

Method Detail

formatDate

public static String formatDate(Date dt)

setClient

public void setClient(LensClient client)

getClient

public LensClient getClient()

getClientWrapper

public static LensClientSingletonWrapper getClientWrapper()

formatJson

public String formatJson(Object data)

Pretty printing JSON object into CLI String.

Parameters:

data - to be formatted

Returns:

cli formatted string

beforeInvocation

public org.springframework.shell.event.ParseResult beforeInvocation(org.springframework.shell.event.ParseResult parseResult)

This Code piece allows lens cli to be able to parse list arguments. It can already parse keyword args. More details at https://github.com/spring-projects/spring-shell/issues/72

Specified by:

beforeInvocation in interface org.springframework.shell.core.ExecutionProcessor

Parameters:

parseResult -

Returns:

afterReturningInvocation

public void afterReturningInvocation(org.springframework.shell.event.ParseResult parseResult,
                                     Object o)

Specified by:

afterReturningInvocation in interface org.springframework.shell.core.ExecutionProcessor

afterThrowingInvocation

public void afterThrowingInvocation(org.springframework.shell.event.ParseResult parseResult,
                                    Throwable throwable)

Specified by:

afterThrowingInvocation in interface org.springframework.shell.core.ExecutionProcessor

getValidPath

public String getValidPath(File path,
                           boolean shouldBeDirectory,
                           boolean shouldExist)

Method that uses PathValidator to get appropriate path.

Parameters:

path -

shouldBeDirectory -

shouldExist -

Returns:

removePrefixBeforeURI

public String removePrefixBeforeURI(String path)

Method to remove unrequired prefix from path.

Parameters:

path -

Returns:

getOrDefaultQueryHandleString

public String getOrDefaultQueryHandleString(String queryHandleString)