com.bazaarvoice.jolt

Class JoltCliUtilities

java.lang.Object

com.bazaarvoice.jolt.JoltCliUtilities

public class JoltCliUtilities
extends Object

A utility class for the Jolt CLI tool.

Field Summary

Fields

Modifier and Type	Field and Description
static String	DIFFY_COMMAND_IDENTIFIER
static String	SORT_COMMAND_IDENTIFIER
static String	TRANSFORM_COMMAND_IDENTIFIER

Constructor Summary

Constructors

Constructor and Description
JoltCliUtilities()

Method Summary

Methods

Modifier and Type	Method and Description
static Object	createJsonObjectFromFile(File file, boolean suppressOutput) Uses the File to build a Map containing JSON data found in the file.
static boolean	printJsonObject(Object output, Boolean uglyPrint, boolean suppressOutput) Prints the given json object to standard out, accounting for pretty printing and suppressed output.
static void	printToStandardOut(String output, boolean suppressOutput) Prints the given string to standard out, or doesn't, based on the suppressOutput flag
static Object	readJsonInput(File file, boolean suppressOutput) This method will read in JSON, either from the given file or from standard in if the file is null.

Methods inherited from class java.lang.Object

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

Field Detail

DIFFY_COMMAND_IDENTIFIER

public static final String DIFFY_COMMAND_IDENTIFIER

See Also:

Constant Field Values

SORT_COMMAND_IDENTIFIER

public static final String SORT_COMMAND_IDENTIFIER

See Also:

Constant Field Values

TRANSFORM_COMMAND_IDENTIFIER

public static final String TRANSFORM_COMMAND_IDENTIFIER

See Also:

Constant Field Values

Constructor Detail

JoltCliUtilities

public JoltCliUtilities()

Method Detail

printToStandardOut

public static void printToStandardOut(String output,
                      boolean suppressOutput)

Prints the given string to standard out, or doesn't, based on the suppressOutput flag

createJsonObjectFromFile

public static Object createJsonObjectFromFile(File file,
                              boolean suppressOutput)

Uses the File to build a Map containing JSON data found in the file. This method will System exit with an error code of 1 if has any trouble opening the file or the file did not contain properly formatted JSON (i.e. the JSON parser was unable to parse its contents)

Returns:

the Map containing the JSON data

printJsonObject

public static boolean printJsonObject(Object output,
                      Boolean uglyPrint,
                      boolean suppressOutput)

Prints the given json object to standard out, accounting for pretty printing and suppressed output.

Parameters:

output - The object to print. This method will fail if this object is not well formed JSON.

uglyPrint - ignore pretty print

suppressOutput - suppress output to standard out

Returns:

true if printing operation was successful

readJsonInput

public static Object readJsonInput(File file,
                   boolean suppressOutput)

This method will read in JSON, either from the given file or from standard in if the file is null. An object contain the ingested input is returned.

Parameters:

file - the file to read the input from, or null to use standard in

suppressOutput - suppress output of error messages to standard out

Returns:

Object containing input if successful or null if an error occured