com.holonplatform.http.internal

Class HttpUtils

java.lang.Object

com.holonplatform.http.internal.HttpUtils

All Implemented Interfaces:

Serializable

public final class HttpUtils
extends Object
implements Serializable

Utility class for HTTP.

Since:

5.0.0

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static String[]	DATE_FORMATS Request header date formats as specified in the HTTP RFC

Method Summary

Modifier and Type	Method and Description
static String[]	extractAuthorizationBasicCredentials(String header) Extract credentials from a Basic Authorization header, if valid
static String	extractAuthorizationBearer(String header) Try to extract the value of a Bearer Authorization header
static List<Locale>	getAcceptLanguageLocales(String header) Try to get a list of Locale from HTTP request from HttpHeaders.ACCEPT_LANGUAGE header, if not null.
static Map<String,List<String>>	getAsMultiMap(Object payload) Try to obtain given payload Object as a String multi map
static boolean	isBasicAuthorizationHeader(String header) Check if given header value is a Basic authorization header
static boolean	isBearerAuthorizationHeader(String header) Check if given header value is a Bearer authorization header
static boolean	isEmpty(String headerValue) Check if given value is null or empty
static boolean	isSecure(URI uri) Check if given URI is "secure", i.e.
static Date	parseHeaderDate(String headerValue) Get a header date value as Date

Methods inherited from class java.lang.Object

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

Field Detail

DATE_FORMATS

public static final String[] DATE_FORMATS

Request header date formats as specified in the HTTP RFC

See Also:

Section 7.1.1.1 of RFC 7231

Method Detail

isSecure

public static boolean isSecure(URI uri)

Check if given URI is "secure", i.e. has HTTPS as scheme

Parameters:

uri - URI to check

Returns:

true if URI has HTTPS as scheme

parseHeaderDate

public static Date parseHeaderDate(String headerValue)

Get a header date value as Date

Parameters:

headerValue - Header

Returns:

Date or null if header is null or invalid

getAcceptLanguageLocales

public static List<Locale> getAcceptLanguageLocales(String header)

Try to get a list of Locale from HTTP request from HttpHeaders.ACCEPT_LANGUAGE header, if not null. If more than one language is specified in Accept-Language header, returned Locales will be ordered relying on quality parameter, if specified.

Parameters:

header - Accept-Language header

Returns:

List of Locale for the languages of the Accept-Language header, if any. If header is not present, an empty list is returned.

isBearerAuthorizationHeader

public static boolean isBearerAuthorizationHeader(String header)

Check if given header value is a Bearer authorization header

Parameters:

header - Header value

Returns:

true if header starts with Bearer prefix

isBasicAuthorizationHeader

public static boolean isBasicAuthorizationHeader(String header)

Check if given header value is a Basic authorization header

Parameters:

header - Header value

Returns:

true if header starts with Basic prefix

extractAuthorizationBearer

public static String extractAuthorizationBearer(String header)

Try to extract the value of a Bearer Authorization header

Parameters:

header - Header value

Returns:

Extracted bearer value, or null if header is null or invalid

extractAuthorizationBasicCredentials

public static String[] extractAuthorizationBasicCredentials(String header)

Extract credentials from a Basic Authorization header, if valid

Parameters:

header - Header value

Returns:

A string array with username at index 0 and password at index 1, or null if header is not valid or it is not a Basic authorization header

getAsMultiMap

public static Map<String,List<String>> getAsMultiMap(Object payload)

Try to obtain given payload Object as a String multi map

Parameters:

payload - Payload (may be null)

Returns:

Optional String multi map

isEmpty

public static boolean isEmpty(String headerValue)

Check if given value is null or empty

Parameters:

headerValue - Header value

Returns:

true if value is null or empty