Apache HttpComponents Core HTTP/1.1 5.2.4 · org.apache.hc.core5.util.TextUtils

Access	Constructor and Description
private	TextUtils()

Method Summary

Modifier and Type	Method and Description
public static byte	castAsByte(final int c) Casts character to byte filtering non-visible and non-ASCII characters before conversion
public static boolean	containsBlanks(final CharSequence s)
public static boolean	Returns: `true` if the CharSequence is null, empty or whitespace only isBlank(final CharSequence the CharSequence to check, may be null s) Checks if a CharSequence is empty (""), null or whitespace only.
public static boolean	isEmpty(final CharSequence s) Returns true if the parameter is null or of zero length
public static int	Returns: CharSequence length or `0` if the CharSequence is `null`. length(final CharSequence a CharSequence or `null` cs) Gets a CharSequence length or `0` if the CharSequence is `null`.
public static String	Returns: hex string for the bytes toHexString(final byte[] whose hex string should be created bytes) Returns a hexadecimal string with lowercase letters, representing the values of the `bytes`.
public static String	toLowerCase(final String s) Returns lower case representation of the given string using `Locale#ROOT`.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

TextUtils	back to summary
private TextUtils()

Method Detail

castAsByte	back to summary
public static byte castAsByte(final int c) Casts character to byte filtering non-visible and non-ASCII characters before conversion Annotations @Internal Since 5.2

castAsByte

back to summary

public static byte castAsByte(final int c)

Casts character to byte filtering non-visible and non-ASCII characters before conversion

Annotations

@Internal

Since

5.2

containsBlanks	back to summary
public static boolean containsBlanks(final CharSequence s) Since 4.4

isBlank back to summary

isBlank	back to summary
public static boolean isBlank(final CharSequence s) Checks if a CharSequence is empty (""), null or whitespace only. Whitespace is defined by `Character#isWhitespace(char)`. TextUtils.isBlank(null) = true TextUtils.isBlank("") = true TextUtils.isBlank(" ") = true TextUtils.isBlank("abg") = false TextUtils.isBlank(" abg ") = false Parameters s:CharSequence the CharSequence to check, may be null Returns:boolean `true` if the CharSequence is null, empty or whitespace only

public static boolean isBlank(final CharSequence s)

Checks if a CharSequence is empty (""), null or whitespace only.

Whitespace is defined by Character#isWhitespace(char).

TextUtils.isBlank(null)      = true
TextUtils.isBlank("")        = true
TextUtils.isBlank(" ")       = true
TextUtils.isBlank("abg")     = false
TextUtils.isBlank("  abg  ") = false

Parameters

s:CharSequence: the CharSequence to check, may be null

Returns:boolean

true if the CharSequence is null, empty or whitespace only

isEmpty	back to summary
public static boolean isEmpty(final CharSequence s) Returns true if the parameter is null or of zero length

length back to summary

length	back to summary
public static int length(final CharSequence cs) Gets a CharSequence length or `0` if the CharSequence is `null`. Parameters cs:CharSequence a CharSequence or `null` Returns:int CharSequence length or `0` if the CharSequence is `null`. Since 5.1

public static int length(final CharSequence cs)

Gets a CharSequence length or 0 if the CharSequence is null.

Parameters

cs:CharSequence: a CharSequence or null

Returns:int

CharSequence length or 0 if the CharSequence is null.

Since

5.1

toHexString back to summary

toHexString	back to summary
public static String toHexString(final byte[] bytes) Returns a hexadecimal string with lowercase letters, representing the values of the `bytes`. Parameters bytes:byte[] whose hex string should be created Returns:String hex string for the bytes Since 5.0

public static String toHexString(final byte[] bytes)

Returns a hexadecimal string with lowercase letters, representing the values of the bytes.

Parameters

bytes:byte[]: whose hex string should be created

Returns:String

hex string for the bytes

Since

5.0

toLowerCase back to summary

toLowerCase	back to summary
public static String toLowerCase(final String s) Returns lower case representation of the given string using `Locale#ROOT`. Since 5.2

public static String toLowerCase(final String s)

Returns lower case representation of the given string using Locale#ROOT.

Since: 5.2

public final Class TextUtils

Constructor Summary

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Constructor Detail

Method Detail