Class HttpHeaders (1.42.3)

public class HttpHeaders extends GenericData

Stores HTTP headers used in an HTTP request or response, as defined in Header Field Definitions.

null is not allowed as a name or value of a header. Names are case-insensitive.

Implementation is not thread-safe.

Inheritance

Object > AbstractMap > GenericData > HttpHeaders

Inherited Members

GenericData.clone()

GenericData.entrySet()

GenericData.equals(Object)

GenericData.get(Object)

GenericData.getClassInfo()

GenericData.getUnknownKeys()

GenericData.hashCode()

GenericData.put(String,Object)

GenericData.putAll(Map<? extends String,?>)

GenericData.remove(Object)

GenericData.set(String,Object)

GenericData.setUnknownKeys(Map<String,Object>)

GenericData.toString()

Object.finalize()

Object.getClass()

Object.notify()

Object.notifyAll()

Object.wait()

Object.wait(long)

Object.wait(long,int)

AbstractMap.clear()

AbstractMap.containsKey(Object)

AbstractMap.containsValue(Object)

AbstractMap.isEmpty()

AbstractMap.keySet()

AbstractMap.put(K,V)

AbstractMap.putAll(Map<? extends K,? extends V>)

AbstractMap.size()

AbstractMap.values()

Static Methods

serializeHeadersForMultipartRequests(HttpHeaders headers, StringBuilder logbuf, Logger logger, Writer writer)

public static void serializeHeadersForMultipartRequests(HttpHeaders headers, StringBuilder logbuf, Logger logger, Writer writer)

Serializes headers to an Writer for Multi-part requests.

Parameters

Name	Description
`headers`	`HttpHeaders` HTTP headers
`logbuf`	`StringBuilder` log buffer or `null` for none
`logger`	`Logger` logger or `null` for none. Logger must be specified if log buffer is specified
`writer`	`Writer` Writer where HTTP headers will be serialized to or `null` for none

Exceptions

Type	Description
`IOException`

Constructors

HttpHeaders()

public HttpHeaders()

Methods

addWarning(String warning)

public HttpHeaders addWarning(String warning)

Adds the "Warning" header or null for none.

Overriding is only supported for the purpose of calling the super implementation and changing the return type, but nothing else.

Parameter

Name	Description
`warning`	`String`

Returns

Type	Description
`HttpHeaders`

clone()

public HttpHeaders clone()

Makes a "deep" clone of the generic data, in which the clone is completely independent of the original.

Returns

Type	Description
`HttpHeaders`

Overrides

GenericData.clone()

fromHttpHeaders(HttpHeaders headers)

public final void fromHttpHeaders(HttpHeaders headers)

Puts all headers of the HttpHeaders object into this HttpHeaders object.

Parameter

Name	Description
`headers`	`HttpHeaders` HttpHeaders from where the headers are taken

fromHttpResponse(LowLevelHttpResponse response, StringBuilder logger)

public final void fromHttpResponse(LowLevelHttpResponse response, StringBuilder logger)

Puts all headers of the LowLevelHttpResponse into this HttpHeaders object.

Parameters

Name	Description
`response`	`LowLevelHttpResponse` Response from which the headers are copied
`logger`	`StringBuilder` StringBuilder to which logging output is added or `null` to disable logging

Exceptions

Type	Description
`IOException`

getAccept()

public final String getAccept()

Returns the first "Accept" header or null for none.

Returns

Type	Description
`String`

getAcceptEncoding()

public final String getAcceptEncoding()

Returns the first "Accept-Encoding" header or null for none.

Returns

Type	Description
`String`

getAge()

public final Long getAge()

Returns the first "Age" header or null for none.

Returns

Type	Description
`Long`

getAuthenticate()

public final String getAuthenticate()

Returns the first "WWW-Authenticate" header or null for none.

Returns

Type	Description
`String`

getAuthenticateAsList()

public final List<String> getAuthenticateAsList()

Returns all "WWW-Authenticate" headers or null for none.

Returns

Type	Description
`List<String>`

getAuthorization()

public final String getAuthorization()

Returns the first "Authorization" header or null for none.

Returns

Type	Description
`String`

getAuthorizationAsList()

public final List<String> getAuthorizationAsList()

Returns all "Authorization" headers or null for none.

Returns

Type	Description
`List<String>`

getCacheControl()

public final String getCacheControl()

Returns the first "Cache-Control" header or null for none.

Returns

Type	Description
`String`

getContentEncoding()

public final String getContentEncoding()

Returns the first "Content-Encoding" header or null for none.

Returns

Type	Description
`String`

getContentLength()

public final Long getContentLength()

Returns the first "Content-Length" header or null for none.

Returns

Type	Description
`Long`

getContentMD5()

public final String getContentMD5()

Returns the first "Content-MD5" header or null for none.

Returns

Type	Description
`String`

getContentRange()

public final String getContentRange()

Returns the first "Content-Range" header or null for none.

Returns

Type	Description
`String`

getContentType()

public final String getContentType()

Returns the first "Content-Type" header or null for none.

Returns

Type	Description
`String`

getCookie()

public final String getCookie()

Returns the first "Cookie" header or null for none.

See Cookie Specification.

Returns

Type	Description
`String`

getDate()

public final String getDate()

Returns the first "Date" header or null for none.

Returns

Type	Description
`String`

getETag()

public final String getETag()

Returns the first "ETag" header or null for none.

Returns

Type	Description
`String`

getExpires()

public final String getExpires()

Returns the first "Expires" header or null for none.

Returns

Type	Description
`String`

getFirstHeaderStringValue(String name)

public String getFirstHeaderStringValue(String name)

Returns the first header string value for the given header name.

Parameter

Name	Description
`name`	`String` header name (may be any case)

Returns

Type	Description
`String`	first header string value or `null` if not found

getHeaderStringValues(String name)

public List<String> getHeaderStringValues(String name)

Returns an unmodifiable list of the header string values for the given header name.

Parameter

Name	Description
`name`	`String` header name (may be any case)

Returns

Type	Description
`List<String>`	header string values or empty if not found

getIfMatch()

public final String getIfMatch()

Returns the first "If-Match" header or null for none.

Returns

Type	Description
`String`

getIfModifiedSince()

public final String getIfModifiedSince()

Returns the first "If-Modified-Since" header or null for none.

Returns

Type	Description
`String`

getIfNoneMatch()

public final String getIfNoneMatch()

Returns the first "If-None-Match" header or null for none.

Returns

Type	Description
`String`

getIfRange()

public final String getIfRange()

Returns the first "If-Range" header or null for none.

Returns

Type	Description
`String`

getIfUnmodifiedSince()

public final String getIfUnmodifiedSince()

Returns the first "If-Unmodified-Since" header or null for none.

Returns

Type	Description
`String`

getLastModified()

public final String getLastModified()

Returns the first "Last-Modified" header or null for none.

Returns

Type	Description
`String`

getLocation()

public final String getLocation()

Returns the first "Location" header or null for none.

Returns

Type	Description
`String`

getMimeVersion()

public final String getMimeVersion()

Returns the first "MIME-Version" header or null for none.

Returns

Type	Description
`String`

getRange()

public final String getRange()

Returns the first "Range" header or null for none.

Returns

Type	Description
`String`

getRetryAfter()

public final String getRetryAfter()

Returns the first "Retry-After" header or null for none.

Returns

Type	Description
`String`

getUserAgent()

public final String getUserAgent()

Returns the first "User-Agent" header or null for none.

Returns

Type	Description
`String`

getWarning()

public final List<String> getWarning()

Returns all "Warning" headers or null for none.

Returns

Type	Description
`List<String>`

set(String fieldName, Object value)

public HttpHeaders set(String fieldName, Object value)

Sets the given field value (may be null) for the given field name. Any existing value for the field will be overwritten. It may be more slightly more efficient than #put(String, Object) because it avoids accessing the field's original value.

Overriding is only supported for the purpose of calling the super implementation and changing the return type, but nothing else.

Parameters

Name	Description
`fieldName`	`String`
`value`	`Object`

Returns

Type	Description
`HttpHeaders`

Overrides

GenericData.set(String fieldName, Object value)

setAccept(String accept)

public HttpHeaders setAccept(String accept)

Sets the "Accept" header or null for none.

Overriding is only supported for the purpose of calling the super implementation and changing the return type, but nothing else.

Parameter

Name	Description
`accept`	`String`

Returns

Type	Description
`HttpHeaders`

setAcceptEncoding(String acceptEncoding)

public HttpHeaders setAcceptEncoding(String acceptEncoding)

Sets the "Accept-Encoding" header or null for none.

By default, this is "gzip".

Parameter

Name	Description
`acceptEncoding`	`String`

Returns

Type	Description
`HttpHeaders`

setAge(Long age)

public HttpHeaders setAge(Long age)

Sets the "Age" header or null for none.

Overriding is only supported for the purpose of calling the super implementation and changing the return type, but nothing else.

Parameter

Name	Description
`age`	`Long`

Returns

Type	Description
`HttpHeaders`

setAuthenticate(String authenticate)

public HttpHeaders setAuthenticate(String authenticate)

Sets the "WWW-Authenticate" header or null for none.

Overriding is only supported for the purpose of calling the super implementation and changing the return type, but nothing else.

Parameter

Name	Description
`authenticate`	`String`

Returns

Type	Description
`HttpHeaders`

setAuthorization(String authorization)

public HttpHeaders setAuthorization(String authorization)

Sets the "Authorization" header or null for none.

Overriding is only supported for the purpose of calling the super implementation and changing the return type, but nothing else.

Parameter

Name	Description
`authorization`	`String`

Returns

Type	Description
`HttpHeaders`

setAuthorization(List<String> authorization)

public HttpHeaders setAuthorization(List<String> authorization)

Sets the "Authorization" header or null for none.

Overriding is only supported for the purpose of calling the super implementation and changing the return type, but nothing else.

Parameter

Name	Description
`authorization`	`List<String>`

Returns

Type	Description
`HttpHeaders`

setBasicAuthentication(String username, String password)

public HttpHeaders setBasicAuthentication(String username, String password)

Sets the #authorization header as specified in Basic Authentication Scheme.

Overriding is only supported for the purpose of calling the super implementation and changing the return type, but nothing else.

Parameters

Name	Description
`username`	`String`
`password`	`String`

Returns

Type	Description
`HttpHeaders`

setCacheControl(String cacheControl)

public HttpHeaders setCacheControl(String cacheControl)

Sets the "Cache-Control" header or null for none.

Overriding is only supported for the purpose of calling the super implementation and changing the return type, but nothing else.

Parameter

Name	Description
`cacheControl`	`String`

Returns

Type	Description
`HttpHeaders`

setContentEncoding(String contentEncoding)

public HttpHeaders setContentEncoding(String contentEncoding)

Sets the "Content-Encoding" header or null for none.

Overriding is only supported for the purpose of calling the super implementation and changing the return type, but nothing else.

Parameter

Name	Description
`contentEncoding`	`String`

Returns

Type	Description
`HttpHeaders`

setContentLength(Long contentLength)

public HttpHeaders setContentLength(Long contentLength)

Sets the "Content-Length" header or null for none.

Overriding is only supported for the purpose of calling the super implementation and changing the return type, but nothing else.

Parameter

Name	Description
`contentLength`	`Long`

Returns

Type	Description
`HttpHeaders`

setContentMD5(String contentMD5)

public HttpHeaders setContentMD5(String contentMD5)

Sets the "Content-MD5" header or null for none.

Overriding is only supported for the purpose of calling the super implementation and changing the return type, but nothing else.

Parameter

Name	Description
`contentMD5`	`String`

Returns

Type	Description
`HttpHeaders`

setContentRange(String contentRange)

public HttpHeaders setContentRange(String contentRange)

Sets the "Content-Range" header or null for none.

Overriding is only supported for the purpose of calling the super implementation and changing the return type, but nothing else.

Parameter

Name	Description
`contentRange`	`String`

Returns

Type	Description
`HttpHeaders`

setContentType(String contentType)

public HttpHeaders setContentType(String contentType)

Sets the "Content-Type" header or null for none.

Overriding is only supported for the purpose of calling the super implementation and changing the return type, but nothing else.

Parameter

Name	Description
`contentType`	`String`

Returns

Type	Description
`HttpHeaders`

setCookie(String cookie)

public HttpHeaders setCookie(String cookie)

Sets the "Cookie" header or null for none.

Overriding is only supported for the purpose of calling the super implementation and changing the return type, but nothing else.

Parameter

Name	Description
`cookie`	`String`

Returns

Type	Description
`HttpHeaders`

setDate(String date)

public HttpHeaders setDate(String date)

Sets the "Date" header or null for none.

Overriding is only supported for the purpose of calling the super implementation and changing the return type, but nothing else.

Parameter

Name	Description
`date`	`String`

Returns

Type	Description
`HttpHeaders`

setETag(String etag)

public HttpHeaders setETag(String etag)

Sets the "ETag" header or null for none.

Overriding is only supported for the purpose of calling the super implementation and changing the return type, but nothing else.

Parameter

Name	Description
`etag`	`String`

Returns

Type	Description
`HttpHeaders`

setExpires(String expires)

public HttpHeaders setExpires(String expires)

Sets the "Expires" header or null for none.

Overriding is only supported for the purpose of calling the super implementation and changing the return type, but nothing else.

Parameter

Name	Description
`expires`	`String`

Returns

Type	Description
`HttpHeaders`

setIfMatch(String ifMatch)

public HttpHeaders setIfMatch(String ifMatch)

Sets the "If-Match" header or null for none.

Overriding is only supported for the purpose of calling the super implementation and changing the return type, but nothing else.

Parameter

Name	Description
`ifMatch`	`String`

Returns

Type	Description
`HttpHeaders`

setIfModifiedSince(String ifModifiedSince)

public HttpHeaders setIfModifiedSince(String ifModifiedSince)

Sets the "If-Modified-Since" header or null for none.

Overriding is only supported for the purpose of calling the super implementation and changing the return type, but nothing else.

Parameter

Name	Description
`ifModifiedSince`	`String`

Returns

Type	Description
`HttpHeaders`

setIfNoneMatch(String ifNoneMatch)

public HttpHeaders setIfNoneMatch(String ifNoneMatch)

Sets the "If-None-Match" header or null for none.

Overriding is only supported for the purpose of calling the super implementation and changing the return type, but nothing else.

Parameter

Name	Description
`ifNoneMatch`	`String`

Returns

Type	Description
`HttpHeaders`

setIfRange(String ifRange)

public HttpHeaders setIfRange(String ifRange)

Sets the "If-Range" header or null for none.

Overriding is only supported for the purpose of calling the super implementation and changing the return type, but nothing else.

Parameter

Name	Description
`ifRange`	`String`

Returns

Type	Description
`HttpHeaders`

setIfUnmodifiedSince(String ifUnmodifiedSince)

public HttpHeaders setIfUnmodifiedSince(String ifUnmodifiedSince)

Sets the "If-Unmodified-Since" header or null for none.

Overriding is only supported for the purpose of calling the super implementation and changing the return type, but nothing else.

Parameter

Name	Description
`ifUnmodifiedSince`	`String`

Returns

Type	Description
`HttpHeaders`

setLastModified(String lastModified)

public HttpHeaders setLastModified(String lastModified)

Sets the "Last-Modified" header or null for none.

Overriding is only supported for the purpose of calling the super implementation and changing the return type, but nothing else.

Parameter

Name	Description
`lastModified`	`String`

Returns

Type	Description
`HttpHeaders`

setLocation(String location)

public HttpHeaders setLocation(String location)

Sets the "Location" header or null for none.

Overriding is only supported for the purpose of calling the super implementation and changing the return type, but nothing else.

Parameter

Name	Description
`location`	`String`

Returns

Type	Description
`HttpHeaders`

setMimeVersion(String mimeVersion)

public HttpHeaders setMimeVersion(String mimeVersion)

Sets the "MIME-Version" header or null for none.

Overriding is only supported for the purpose of calling the super implementation and changing the return type, but nothing else.

Parameter

Name	Description
`mimeVersion`	`String`

Returns

Type	Description
`HttpHeaders`

setRange(String range)

public HttpHeaders setRange(String range)

Sets the "Range" header or null for none.

Overriding is only supported for the purpose of calling the super implementation and changing the return type, but nothing else.

Parameter

Name	Description
`range`	`String`

Returns

Type	Description
`HttpHeaders`

setRetryAfter(String retryAfter)

public HttpHeaders setRetryAfter(String retryAfter)

Sets the "Retry-After" header or null for none.

Overriding is only supported for the purpose of calling the super implementation and changing the return type, but nothing else.

Parameter

Name	Description
`retryAfter`	`String`

Returns

Type	Description
`HttpHeaders`

setUserAgent(String userAgent)

public HttpHeaders setUserAgent(String userAgent)

Sets the "User-Agent" header or null for none.

Overriding is only supported for the purpose of calling the super implementation and changing the return type, but nothing else.

Parameter

Name	Description
`userAgent`	`String`

Returns

Type	Description
`HttpHeaders`