com.amazonaws.internal

クラス EC2MetadataClient

java.lang.Object

com.amazonaws.internal.EC2MetadataClient

public class EC2MetadataClient
extends java.lang.Object

Simple client for accessing the Amazon EC2 Instance Metadata Service.

フィールドの概要

フィールド

修飾子とタイプ	フィールドと説明
static java.lang.String	EC2_METADATA_SERVICE_OVERRIDE System property for overriding the Amazon EC2 Instance Metadata Service endpoint.
static java.lang.String	SECURITY_CREDENTIALS_RESOURCE Default resource path for credentials in the Amazon EC2 Instance Metadata Service.

コンストラクタの概要

コンストラクタ

コンストラクタと説明
EC2MetadataClient()

メソッドの概要

メソッド

修飾子とタイプ	メソッドと説明
java.lang.String	getDefaultCredentials() Connects to the Amazon EC2 Instance Metadata Service to retrieve the default credential information (if any).
java.lang.String	readResource(java.lang.String resourcePath) Connects to the metadata service to read the specified resource and returns the text contents.

クラスから継承されたメソッド java.lang.Object

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

フィールドの詳細

EC2_METADATA_SERVICE_OVERRIDE

public static final java.lang.String EC2_METADATA_SERVICE_OVERRIDE

System property for overriding the Amazon EC2 Instance Metadata Service endpoint.

関連項目:

定数フィールド値

SECURITY_CREDENTIALS_RESOURCE

public static final java.lang.String SECURITY_CREDENTIALS_RESOURCE

Default resource path for credentials in the Amazon EC2 Instance Metadata Service.

関連項目:

定数フィールド値

コンストラクタの詳細

EC2MetadataClient

public EC2MetadataClient()

メソッドの詳細

getDefaultCredentials

public java.lang.String getDefaultCredentials()
                                       throws java.io.IOException

Connects to the Amazon EC2 Instance Metadata Service to retrieve the default credential information (if any).

戻り値:

The response from the Amazon EC2 Instance Metadata Service, or null if no credential information was available.

例外:

java.io.IOException - If any problems are encountered while connecting to the Amazon EC2 Instance Metadata Service.

readResource

public java.lang.String readResource(java.lang.String resourcePath)
                              throws java.io.IOException,
                                     AmazonClientException

Connects to the metadata service to read the specified resource and returns the text contents.

パラメータ:

resourcePath - The resource

戻り値:

The text payload returned from the Amazon EC2 Instance Metadata service for the specified resource path.

例外:

java.io.IOException - If any problems were encountered while connecting to metadata service for the requested resource path.

AmazonClientException - If the requested metadata service is not found.