com.aliyun.oss.common.auth

Class HttpCredentialsFetcher

java.lang.Object

com.aliyun.oss.common.auth.HttpCredentialsFetcher

All Implemented Interfaces:

CredentialsFetcher

Direct Known Subclasses:

CustomSessionCredentialsFetcher, EcsRamRoleCredentialsFetcher, InstanceProfileCredentialsFetcher

public abstract class HttpCredentialsFetcher
extends Object
implements CredentialsFetcher

Constructor Summary

Constructors

Constructor and Description
HttpCredentialsFetcher()

Method Summary

Modifier and Type	Method and Description
abstract URL	buildUrl() Constructs the url of authorization server.
Credentials	fetch() Fetches credentials from the authorization server.
Credentials	fetch(int retryTimes) Fetches credentials from the authorization server.
abstract Credentials	parse(com.aliyuncs.http.HttpResponse response) Parses the response to get credentials.
com.aliyuncs.http.HttpResponse	send(com.aliyuncs.http.HttpRequest request) Sends http request to authorization server.

Methods inherited from class java.lang.Object

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

Constructor Detail

HttpCredentialsFetcher

public HttpCredentialsFetcher()

Method Detail

buildUrl

public abstract URL buildUrl()
                      throws com.aliyuncs.exceptions.ClientException

Description copied from interface: CredentialsFetcher

Constructs the url of authorization server.

Specified by:

buildUrl in interface CredentialsFetcher

Returns:

the url of authorization server

Throws:

com.aliyuncs.exceptions.ClientException - If any errors occurred in OSS while processing the request.

parse

public abstract Credentials parse(com.aliyuncs.http.HttpResponse response)
                           throws com.aliyuncs.exceptions.ClientException

Description copied from interface: CredentialsFetcher

Parses the response to get credentials.

Specified by:

parse in interface CredentialsFetcher

Parameters:

response - http response.

Returns:

credentials

Throws:

com.aliyuncs.exceptions.ClientException - If any errors occurred in OSS while processing the request.

fetch

public Credentials fetch()
                  throws com.aliyuncs.exceptions.ClientException

Description copied from interface: CredentialsFetcher

Fetches credentials from the authorization server.

Specified by:

fetch in interface CredentialsFetcher

Returns:

credentials

Throws:

com.aliyuncs.exceptions.ClientException - If any errors occurred in OSS while processing the request.

send

public com.aliyuncs.http.HttpResponse send(com.aliyuncs.http.HttpRequest request)
                                    throws IOException

Description copied from interface: CredentialsFetcher

Sends http request to authorization server.

Specified by:

send in interface CredentialsFetcher

Parameters:

request - http request.

Returns:

http response

Throws:

IOException - An IO errors occurred while sending the request to authorization server.

fetch

public Credentials fetch(int retryTimes)
                  throws com.aliyuncs.exceptions.ClientException

Description copied from interface: CredentialsFetcher

Fetches credentials from the authorization server.

Specified by:

fetch in interface CredentialsFetcher

Parameters:

retryTimes - retry times.

Returns:

credentials

Throws:

com.aliyuncs.exceptions.ClientException - If any errors occurred in OSS while processing the request.