Class Objects

java.lang.Object

com.bazaarvoice.jolt.modifier.function.Objects

public class Objects
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	Objects.recursivelySquashNulls
static final class	Objects.size	Size is a special snowflake and needs specific care
static final class	Objects.squashNulls
static final class	Objects.toBoolean
static final class	Objects.toDouble
static final class	Objects.toInteger
static final class	Objects.toLong
static final class	Objects.toString

Constructor Summary

Constructors

Constructor	Description
Objects()

Method Summary

Modifier and Type	Method	Description
static void	recursivelySquashNulls(Object input)	Recursively squash nulls in maps and lists.
static void	squashNulls(Object input)	Squashes nulls in a list or map.
static Optional<Boolean>	toBoolean(Object arg)	Returns boolean value of argument, if possible, wrapped in Optional Interprets Strings "true" invalid input: '&' "false" as boolean
static Optional<Double>	toDouble(Object arg)	Returns double value of argument, if possible, wrapped in Optional Interprets String as Number
static Optional<Integer>	toInteger(Object arg)	Returns int value of argument, if possible, wrapped in Optional Interprets String as Number
static Optional<Long>	toLong(Object arg)	Returns long value of argument, if possible, wrapped in Optional Interprets String as Number
static Optional<? extends Number>	toNumber(Object arg)	Given any object, returns, if possible.
static Optional<String>	toString(Object arg)	Returns String representation of argument, wrapped in Optional for array argument, returns Arrays.toString() for others, returns Objects.toString() Note: this method does not return Optional.empty()

Methods inherited from class Object

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

Constructor Details

Objects

public Objects()

Method Details

toNumber

public static Optional<? extends Number> toNumber(Object arg)

Given any object, returns, if possible. its Java number equivalent wrapped in Optional Interprets String as Number toNumber("123") == Optional.of(123) toNumber("-123") == Optional.of(-123) toNumber("12.3") == Optional.of(12.3) toNumber("abc") == Optional.empty() toNumber(null) == Optional.empty() also, see: MathTest#testNitPicks

toInteger

public static Optional<Integer> toInteger(Object arg)

Returns int value of argument, if possible, wrapped in Optional Interprets String as Number

toLong

public static Optional<Long> toLong(Object arg)

Returns long value of argument, if possible, wrapped in Optional Interprets String as Number

toDouble

public static Optional<Double> toDouble(Object arg)

Returns double value of argument, if possible, wrapped in Optional Interprets String as Number

toBoolean

public static Optional<Boolean> toBoolean(Object arg)

Returns boolean value of argument, if possible, wrapped in Optional Interprets Strings "true" invalid input: '&' "false" as boolean

toString

public static Optional<String> toString(Object arg)

Returns String representation of argument, wrapped in Optional for array argument, returns Arrays.toString() for others, returns Objects.toString() Note: this method does not return Optional.empty()

squashNulls

public static void squashNulls(Object input)

Squashes nulls in a list or map. Modifies the data.

recursivelySquashNulls

public static void recursivelySquashNulls(Object input)

Recursively squash nulls in maps and lists. Modifies the data.