org.elastos.hive

Class AppContext

java.lang.Object

org.elastos.hive.AppContext

public class AppContext
extends java.lang.Object

The application context would contain the resources list below:

• The reference of application context provider;
• The user did which uses this application.

Normally, there are only one application context for one application.

Method Summary

Modifier and Type	Method and Description
static AppContext	build(AppContextProvider provider, java.lang.String userDid) Create the application context.
AppContextProvider	getAppContextProvider() Get the provider of the application context.
static java.util.concurrent.CompletableFuture<java.lang.String>	getProviderAddress(java.lang.String targetDid) Get the URL address of the provider throw the document of the user DID.
static java.util.concurrent.CompletableFuture<java.lang.String>	getProviderAddress(java.lang.String targetDid, java.lang.String preferredProviderAddress) Get the URL address of the provider by the user DID.
java.lang.String	getUserDid() Get the user DID.
static void	setupResolver(java.lang.String resolver, java.lang.String cacheDir) Setup the resolver for the DID verification.

Methods inherited from class java.lang.Object

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

Method Detail

getAppContextProvider

public AppContextProvider getAppContextProvider()

Get the provider of the application context.

Returns:

The provider of the application context.

getUserDid

public java.lang.String getUserDid()

Get the user DID.

Returns:

The user DID.

setupResolver

public static void setupResolver(java.lang.String resolver,
                                 java.lang.String cacheDir)
                          throws HiveException

Setup the resolver for the DID verification.

Parameters:

resolver - The URL of the resolver.

cacheDir - The local directory for DID cache.

Throws:

HiveException - See HiveException

build

public static AppContext build(AppContextProvider provider,
                               java.lang.String userDid)

Create the application context.

Parameters:

provider - The provider of the application context.

userDid - The user DID.

Returns:

The application context.

getProviderAddress

public static java.util.concurrent.CompletableFuture<java.lang.String> getProviderAddress(java.lang.String targetDid)

Get the URL address of the provider throw the document of the user DID. The will access the property of the document of the user DID.

Parameters:

targetDid - The user DID.

Returns:

The URL address of the provider.

getProviderAddress

public static java.util.concurrent.CompletableFuture<java.lang.String> getProviderAddress(java.lang.String targetDid,
                                                                                          java.lang.String preferredProviderAddress)

Get the URL address of the provider by the user DID. The will access the property of the user DID.

Parameters:

targetDid - The user DID.

preferredProviderAddress - The preferred URL address of the provider.

Returns:

The URL address of the provider