org.everrest.core.impl.header

Class HeaderHelper

java.lang.Object

org.everrest.core.impl.header.HeaderHelper

public final class HeaderHelper
extends Object

Author:

andrew00x

Field Summary

Fields

Modifier and Type	Field and Description
static Comparator<QualityValue>	QUALITY_VALUE_COMPARATOR Comparator for tokens which have quality value.

Method Summary

Modifier and Type	Method and Description
static String	convertToString(Collection<String> collection) Convert Collection<String> to single String, where values separated by ','.
static List<AcceptToken>	createAcceptedCharsetList(String header) Create sorted by quality value 'accept-character' list.
static List<AcceptToken>	createAcceptedEncodingList(String header) Create sorted by quality value 'accept-encoding' list.
static List<AcceptLanguage>	createAcceptedLanguageList(String header) Create sorted by quality value accepted language list.
static List<AcceptMediaType>	createAcceptedMediaTypeList(String header) Create sorted by quality value accepted media type list.
static String	formatDate(Date date) Format date in RFC 1123 format.
static long	getContentLengthLong(javax.ws.rs.core.MultivaluedMap<String,String> httpHeaders)
static String	getHeaderAsString(Object o) Create string representation of Java Object for adding to response.
static List<javax.ws.rs.core.Cookie>	parseCookies(String cookie) Parse cookie header string and create collection of cookie from it.
static Date	parseDateHeader(String header) Parse date header.

Methods inherited from class java.lang.Object

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

Field Detail

QUALITY_VALUE_COMPARATOR

public static final Comparator<QualityValue> QUALITY_VALUE_COMPARATOR

Comparator for tokens which have quality value.

See Also:

QualityValue

Method Detail

createAcceptedMediaTypeList

public static List<AcceptMediaType> createAcceptedMediaTypeList(String header)

Create sorted by quality value accepted media type list.

Parameters:

header - source header string

Returns:

List of AcceptMediaType

createAcceptedLanguageList

public static List<AcceptLanguage> createAcceptedLanguageList(String header)

Create sorted by quality value accepted language list.

Parameters:

header - source header string

Returns:

List of AcceptLanguage

createAcceptedCharsetList

public static List<AcceptToken> createAcceptedCharsetList(String header)

Create sorted by quality value 'accept-character' list.

Parameters:

header - source header string

Returns:

List of accept charset tokens

createAcceptedEncodingList

public static List<AcceptToken> createAcceptedEncodingList(String header)

Create sorted by quality value 'accept-encoding' list.

Parameters:

header - source header string

Returns:

List of accept encoding tokens

parseCookies

public static List<javax.ws.rs.core.Cookie> parseCookies(String cookie)

Parse cookie header string and create collection of cookie from it.

Parameters:

cookie - the cookie string.

Returns:

collection of Cookie.

parseDateHeader

public static Date parseDateHeader(String header)

Parse date header. Will try to found appropriated format for given date header. Format can be one of see HTTP/1.1 documentation .

Parameters:

header - source date header

Returns:

parsed Date

formatDate

public static String formatDate(Date date)

Format date in RFC 1123 format.

Parameters:

date - date

Returns:

string in RFC 1123 format

getContentLengthLong

public static long getContentLengthLong(javax.ws.rs.core.MultivaluedMap<String,String> httpHeaders)

Parameters:

httpHeaders - HTTP headers

Returns:

parsed content-length or null if content-length header is not specified

getHeaderAsString

public static String getHeaderAsString(Object o)

Create string representation of Java Object for adding to response. Method use Object.toString().

Parameters:

o - HTTP header as Java type.

Returns:

string representation of supplied type

convertToString

public static String convertToString(Collection<String> collection)

Convert Collection<String> to single String, where values separated by ','. Useful for getting source string of HTTP header for next processing quality value of header tokens.

Parameters:

collection - the source list

Returns:

String result