HttpHeaders (google-http-client 1.44.2)

java.lang.Object
- java.util.AbstractMap<String,Object>
- - com.google.api.client.util.GenericData
  - - com.google.api.client.http.HttpHeaders

All Implemented Interfaces:

Cloneable, Map<String,Object>
```
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.

Since:

1.0

Author:

Yaniv Inbar

Nested Class Summary
- Nested classes/interfaces inherited from class com.google.api.client.util.GenericData
  GenericData.Flags
- Nested classes/interfaces inherited from class java.util.AbstractMap
  AbstractMap.SimpleEntry<K,V>, AbstractMap.SimpleImmutableEntry<K,V>
- Nested classes/interfaces inherited from interface java.util.Map
  Map.Entry<K,V>

Constructor Summary

Constructors
Constructor and Description

HttpHeaders()

Constructors
Constructor and Description
`HttpHeaders()`

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`HttpHeaders`	`addWarning(String warning)` Adds the `"Warning"` header or `null` for none.
`HttpHeaders`	`clone()` Makes a "deep" clone of the generic data, in which the clone is completely independent of the original.
`void`	`fromHttpHeaders(HttpHeaders headers)` Puts all headers of the `HttpHeaders` object into this `HttpHeaders` object.
`void`	`fromHttpResponse(LowLevelHttpResponse response, StringBuilder logger)` Puts all headers of the `LowLevelHttpResponse` into this `HttpHeaders` object.
`String`	`getAccept()` Returns the first `"Accept"` header or `null` for none.
`String`	`getAcceptEncoding()` Returns the first `"Accept-Encoding"` header or `null` for none.
`Long`	`getAge()` Returns the first `"Age"` header or `null` for none.
`String`	`getAuthenticate()` Returns the first `"WWW-Authenticate"` header or `null` for none.
`List<String>`	`getAuthenticateAsList()` Returns all `"WWW-Authenticate"` headers or `null` for none.
`String`	`getAuthorization()` Returns the first `"Authorization"` header or `null` for none.
`List<String>`	`getAuthorizationAsList()` Returns all `"Authorization"` headers or `null` for none.
`String`	`getCacheControl()` Returns the first `"Cache-Control"` header or `null` for none.
`String`	`getContentEncoding()` Returns the first `"Content-Encoding"` header or `null` for none.
`Long`	`getContentLength()` Returns the first `"Content-Length"` header or `null` for none.
`String`	`getContentMD5()` Returns the first `"Content-MD5"` header or `null` for none.
`String`	`getContentRange()` Returns the first `"Content-Range"` header or `null` for none.
`String`	`getContentType()` Returns the first `"Content-Type"` header or `null` for none.
`String`	`getCookie()` Returns the first `"Cookie"` header or `null` for none.
`String`	`getDate()` Returns the first `"Date"` header or `null` for none.
`String`	`getETag()` Returns the first `"ETag"` header or `null` for none.
`String`	`getExpires()` Returns the first `"Expires"` header or `null` for none.
`String`	`getFirstHeaderStringValue(String name)` Returns the first header string value for the given header name.
`List<String>`	`getHeaderStringValues(String name)` Returns an unmodifiable list of the header string values for the given header name.
`String`	`getIfMatch()` Returns the first `"If-Match"` header or `null` for none.
`String`	`getIfModifiedSince()` Returns the first `"If-Modified-Since"` header or `null` for none.
`String`	`getIfNoneMatch()` Returns the first `"If-None-Match"` header or `null` for none.
`String`	`getIfRange()` Returns the first `"If-Range"` header or `null` for none.
`String`	`getIfUnmodifiedSince()` Returns the first `"If-Unmodified-Since"` header or `null` for none.
`String`	`getLastModified()` Returns the first `"Last-Modified"` header or `null` for none.
`String`	`getLocation()` Returns the first `"Location"` header or `null` for none.
`String`	`getMimeVersion()` Returns the first `"MIME-Version"` header or `null` for none.
`String`	`getRange()` Returns the first `"Range"` header or `null` for none.
`String`	`getRetryAfter()` Returns the first `"Retry-After"` header or `null` for none.
`String`	`getUserAgent()` Returns the first `"User-Agent"` header or `null` for none.
`List<String>`	`getWarning()` Returns all `"Warning"` headers or `null` for none.
`static void`	`serializeHeadersForMultipartRequests(HttpHeaders headers, StringBuilder logbuf, Logger logger, Writer writer)` Serializes headers to an `Writer` for Multi-part requests.
`HttpHeaders`	`set(String fieldName, Object value)` Sets the given field value (may be `null`) for the given field name.
`HttpHeaders`	`setAccept(String accept)` Sets the `"Accept"` header or `null` for none.
`HttpHeaders`	`setAcceptEncoding(String acceptEncoding)` Sets the `"Accept-Encoding"` header or `null` for none.
`HttpHeaders`	`setAge(Long age)` Sets the `"Age"` header or `null` for none.
`HttpHeaders`	`setAuthenticate(String authenticate)` Sets the `"WWW-Authenticate"` header or `null` for none.
`HttpHeaders`	`setAuthorization(List<String> authorization)` Sets the `"Authorization"` header or `null` for none.
`HttpHeaders`	`setAuthorization(String authorization)` Sets the `"Authorization"` header or `null` for none.
`HttpHeaders`	`setBasicAuthentication(String username, String password)` Sets the `authorization` header as specified in Basic Authentication Scheme.
`HttpHeaders`	`setCacheControl(String cacheControl)` Sets the `"Cache-Control"` header or `null` for none.
`HttpHeaders`	`setContentEncoding(String contentEncoding)` Sets the `"Content-Encoding"` header or `null` for none.
`HttpHeaders`	`setContentLength(Long contentLength)` Sets the `"Content-Length"` header or `null` for none.
`HttpHeaders`	`setContentMD5(String contentMD5)` Sets the `"Content-MD5"` header or `null` for none.
`HttpHeaders`	`setContentRange(String contentRange)` Sets the `"Content-Range"` header or `null` for none.
`HttpHeaders`	`setContentType(String contentType)` Sets the `"Content-Type"` header or `null` for none.
`HttpHeaders`	`setCookie(String cookie)` Sets the `"Cookie"` header or `null` for none.
`HttpHeaders`	`setDate(String date)` Sets the `"Date"` header or `null` for none.
`HttpHeaders`	`setETag(String etag)` Sets the `"ETag"` header or `null` for none.
`HttpHeaders`	`setExpires(String expires)` Sets the `"Expires"` header or `null` for none.
`HttpHeaders`	`setIfMatch(String ifMatch)` Sets the `"If-Match"` header or `null` for none.
`HttpHeaders`	`setIfModifiedSince(String ifModifiedSince)` Sets the `"If-Modified-Since"` header or `null` for none.
`HttpHeaders`	`setIfNoneMatch(String ifNoneMatch)` Sets the `"If-None-Match"` header or `null` for none.
`HttpHeaders`	`setIfRange(String ifRange)` Sets the `"If-Range"` header or `null` for none.
`HttpHeaders`	`setIfUnmodifiedSince(String ifUnmodifiedSince)` Sets the `"If-Unmodified-Since"` header or `null` for none.
`HttpHeaders`	`setLastModified(String lastModified)` Sets the `"Last-Modified"` header or `null` for none.
`HttpHeaders`	`setLocation(String location)` Sets the `"Location"` header or `null` for none.
`HttpHeaders`	`setMimeVersion(String mimeVersion)` Sets the `"MIME-Version"` header or `null` for none.
`HttpHeaders`	`setRange(String range)` Sets the `"Range"` header or `null` for none.
`HttpHeaders`	`setRetryAfter(String retryAfter)` Sets the `"Retry-After"` header or `null` for none.
`HttpHeaders`	`setUserAgent(String userAgent)` Sets the `"User-Agent"` header or `null` for none.

Methods inherited from class com.google.api.client.util.GenericData
entrySet, equals, get, getClassInfo, getUnknownKeys, hashCode, put, putAll, remove, setUnknownKeys, toString

Methods inherited from class java.util.AbstractMap
clear, containsKey, containsValue, isEmpty, keySet, size, values

Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Map
compute, computeIfAbsent, computeIfPresent, forEach, getOrDefault, merge, putIfAbsent, remove, replace, replace, replaceAll

- Constructor Detail
  - HttpHeaders
```
public HttpHeaders()
```
- Method Detail
  - clone
```
public HttpHeaders clone()
```
    Description copied from class: GenericData
    
    Makes a "deep" clone of the generic data, in which the clone is completely independent of the original.
    
    Overrides:
    
    clone in class GenericData
  - set
```
public HttpHeaders set(String fieldName,
                       Object value)
```
    Description copied from class: GenericData
    
    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 GenericData.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.
    
    Overrides:
    
    set in class GenericData
  - getAccept
```
public final String getAccept()
```
    Returns the first "Accept" header or null for none.
    
    Since:
    
    1.5
  - setAccept
```
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.
    
    Since:
    
    1.5
  - getAcceptEncoding
```
public final String getAcceptEncoding()
```
    Returns the first "Accept-Encoding" header or null for none.
    
    Since:
    
    1.5
  - setAcceptEncoding
```
public HttpHeaders setAcceptEncoding(String acceptEncoding)
```
    Sets the "Accept-Encoding" header or null for none.
    By default, this is "gzip".
    
    Since:
    
    1.5
  - getAuthorization
```
public final String getAuthorization()
```
    Returns the first "Authorization" header or null for none.
    
    Since:
    
    1.5
  - getAuthorizationAsList
```
public final List<String> getAuthorizationAsList()
```
    Returns all "Authorization" headers or null for none.
    
    Since:
    
    1.13
  - setAuthorization
```
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.
    
    Since:
    
    1.5
  - setAuthorization
```
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.
    
    Since:
    
    1.13
  - getCacheControl
```
public final String getCacheControl()
```
    Returns the first "Cache-Control" header or null for none.
    
    Since:
    
    1.5
  - setCacheControl
```
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.
    
    Since:
    
    1.5
  - getContentEncoding
```
public final String getContentEncoding()
```
    Returns the first "Content-Encoding" header or null for none.
    
    Since:
    
    1.5
  - setContentEncoding
```
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.
    
    Since:
    
    1.5
  - getContentLength
```
public final Long getContentLength()
```
    Returns the first "Content-Length" header or null for none.
    
    Since:
    
    1.5
  - setContentLength
```
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.
    
    Since:
    
    1.5
  - getContentMD5
```
public final String getContentMD5()
```
    Returns the first "Content-MD5" header or null for none.
    
    Since:
    
    1.5
  - setContentMD5
```
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.
    
    Since:
    
    1.5
  - getContentRange
```
public final String getContentRange()
```
    Returns the first "Content-Range" header or null for none.
    
    Since:
    
    1.5
  - setContentRange
```
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.
    
    Since:
    
    1.5
  - getContentType
```
public final String getContentType()
```
    Returns the first "Content-Type" header or null for none.
    
    Since:
    
    1.5
  - setContentType
```
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.
    
    Since:
    
    1.5
  - getCookie
```
public final String getCookie()
```
    Returns the first "Cookie" header or null for none.
    See Cookie Specification.
    
    Since:
    
    1.6
  - setCookie
```
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.
    
    Since:
    
    1.6
  - getDate
```
public final String getDate()
```
    Returns the first "Date" header or null for none.
    
    Since:
    
    1.5
  - setDate
```
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.
    
    Since:
    
    1.5
  - getETag
```
public final String getETag()
```
    Returns the first "ETag" header or null for none.
    
    Since:
    
    1.5
  - setETag
```
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.
    
    Since:
    
    1.5
  - getExpires
```
public final String getExpires()
```
    Returns the first "Expires" header or null for none.
    
    Since:
    
    1.5
  - setExpires
```
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.
    
    Since:
    
    1.5
  - getIfModifiedSince
```
public final String getIfModifiedSince()
```
    Returns the first "If-Modified-Since" header or null for none.
    
    Since:
    
    1.5
  - setIfModifiedSince
```
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.
    
    Since:
    
    1.5
  - getIfMatch
```
public final String getIfMatch()
```
    Returns the first "If-Match" header or null for none.
    
    Since:
    
    1.5
  - setIfMatch
```
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.
    
    Since:
    
    1.5
  - getIfNoneMatch
```
public final String getIfNoneMatch()
```
    Returns the first "If-None-Match" header or null for none.
    
    Since:
    
    1.5
  - setIfNoneMatch
```
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.
    
    Since:
    
    1.5
  - getIfUnmodifiedSince
```
public final String getIfUnmodifiedSince()
```
    Returns the first "If-Unmodified-Since" header or null for none.
    
    Since:
    
    1.5
  - setIfUnmodifiedSince
```
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.
    
    Since:
    
    1.5
  - getIfRange
```
public final String getIfRange()
```
    Returns the first "If-Range" header or null for none.
    
    Since:
    
    1.14
  - setIfRange
```
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.
    
    Since:
    
    1.14
  - getLastModified
```
public final String getLastModified()
```
    Returns the first "Last-Modified" header or null for none.
    
    Since:
    
    1.5
  - setLastModified
```
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.
    
    Since:
    
    1.5
  - getLocation
```
public final String getLocation()
```
    Returns the first "Location" header or null for none.
    
    Since:
    
    1.5
  - setLocation
```
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.
    
    Since:
    
    1.5
  - getMimeVersion
```
public final String getMimeVersion()
```
    Returns the first "MIME-Version" header or null for none.
    
    Since:
    
    1.5
  - setMimeVersion
```
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.
    
    Since:
    
    1.5
  - getRange
```
public final String getRange()
```
    Returns the first "Range" header or null for none.
    
    Since:
    
    1.5
  - setRange
```
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.
    
    Since:
    
    1.5
  - getRetryAfter
```
public final String getRetryAfter()
```
    Returns the first "Retry-After" header or null for none.
    
    Since:
    
    1.5
  - setRetryAfter
```
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.
    
    Since:
    
    1.5
  - getUserAgent
```
public final String getUserAgent()
```
    Returns the first "User-Agent" header or null for none.
    
    Since:
    
    1.5
  - setUserAgent
```
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.
    
    Since:
    
    1.5
  - getAuthenticate
```
public final String getAuthenticate()
```
    Returns the first "WWW-Authenticate" header or null for none.
    
    Since:
    
    1.5
  - getAuthenticateAsList
```
public final List<String> getAuthenticateAsList()
```
    Returns all "WWW-Authenticate" headers or null for none.
    
    Since:
    
    1.16
  - setAuthenticate
```
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.
    
    Since:
    
    1.5
  - addWarning
```
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.
    
    Since:
    
    1.28
  - getWarning
```
public final List<String> getWarning()
```
    Returns all "Warning" headers or null for none.
    
    Since:
    
    1.28
  - getAge
```
public final Long getAge()
```
    Returns the first "Age" header or null for none.
    
    Since:
    
    1.14
  - setAge
```
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.
    
    Since:
    
    1.14
  - setBasicAuthentication
```
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.
    
    Since:
    
    1.2
  - serializeHeadersForMultipartRequests
```
public static void serializeHeadersForMultipartRequests(HttpHeaders headers,
                                                        StringBuilder logbuf,
                                                        Logger logger,
                                                        Writer writer)
                                                 throws IOException
```
    Serializes headers to an Writer for Multi-part requests.
    
    Parameters:
    
    headers - HTTP headers
    
    logbuf - log buffer or null for none
    
    logger - logger or null for none. Logger must be specified if log buffer is specified
    
    writer - Writer where HTTP headers will be serialized to or null for none
    
    Throws:
    
    IOException
    
    Since:
    
    1.9
  - fromHttpResponse
```
public final void fromHttpResponse(LowLevelHttpResponse response,
                                   StringBuilder logger)
                            throws IOException
```
    Puts all headers of the LowLevelHttpResponse into this HttpHeaders object.
    
    Parameters:
    
    response - Response from which the headers are copied
    
    logger - StringBuilder to which logging output is added or null to disable logging
    
    Throws:
    
    IOException
    
    Since:
    
    1.10
  - getFirstHeaderStringValue
```
public String getFirstHeaderStringValue(String name)
```
    Returns the first header string value for the given header name.
    
    Parameters:
    
    name - header name (may be any case)
    
    Returns:
    
    first header string value or null if not found
    
    Since:
    
    1.13
  - getHeaderStringValues
```
public List<String> getHeaderStringValues(String name)
```
    Returns an unmodifiable list of the header string values for the given header name.
    
    Parameters:
    
    name - header name (may be any case)
    
    Returns:
    
    header string values or empty if not found
    
    Since:
    
    1.13
  - fromHttpHeaders
```
public final void fromHttpHeaders(HttpHeaders headers)
```
    Puts all headers of the HttpHeaders object into this HttpHeaders object.
    
    Parameters:
    
    headers - HttpHeaders from where the headers are taken
    
    Since:
    
    1.10

Class HttpHeaders

Nested Class Summary

Nested classes/interfaces inherited from class com.google.api.client.util.GenericData

Nested classes/interfaces inherited from class java.util.AbstractMap

Nested classes/interfaces inherited from interface java.util.Map

Constructor Summary

Method Summary

Methods inherited from class com.google.api.client.util.GenericData

Methods inherited from class java.util.AbstractMap

Methods inherited from class java.lang.Object

Methods inherited from interface java.util.Map

Constructor Detail

HttpHeaders

Method Detail

clone

set

getAccept

setAccept

getAcceptEncoding

setAcceptEncoding

getAuthorization

getAuthorizationAsList

setAuthorization

setAuthorization

getCacheControl

setCacheControl

getContentEncoding

setContentEncoding

getContentLength

setContentLength

getContentMD5

setContentMD5

getContentRange

setContentRange

getContentType

setContentType

getCookie

setCookie

getDate

setDate

getETag

setETag

getExpires

setExpires

getIfModifiedSince

setIfModifiedSince

getIfMatch

setIfMatch

getIfNoneMatch

setIfNoneMatch

getIfUnmodifiedSince

setIfUnmodifiedSince

getIfRange

setIfRange

getLastModified

setLastModified

getLocation

setLocation

getMimeVersion

setMimeVersion

getRange

setRange

getRetryAfter

setRetryAfter

getUserAgent

setUserAgent

getAuthenticate

getAuthenticateAsList

setAuthenticate

addWarning

getWarning

getAge

setAge

setBasicAuthentication

serializeHeadersForMultipartRequests

fromHttpResponse

getFirstHeaderStringValue

getHeaderStringValues

fromHttpHeaders