import xdi2.client.XDIClient; //导入依赖的package包/类
public XDIClient getXdiClient() {
	return new XDIHttpClient(this.xdiEndpointUri);
}
 

import xdi2.client.XDIClient; //导入依赖的package包/类
public static void discoverManual(CloudNumber cloudNumber) throws Exception {

		XDIDiscoveryResult resultFromRegistry = xdiDiscoveryClient.discoverFromRegistry(cloudNumber.getXDIAddress());

		URI xdiEndpointUri = resultFromRegistry.getXdiEndpointUri();

		MessageEnvelope messageEnvelope = new MessageEnvelope();
		Message message = messageEnvelope.createMessage(cloudNumber.getXDIAddress());
		message.setToPeerRootXDIArc(cloudNumber.getPeerRootXDIArc());
		message.createGetOperation(XDIStatement.fromComponents(cloudNumber.getXDIAddress(), XDIDictionaryConstants.XDI_ADD_IS_REF, XDIConstants.XDI_ADD_COMMON_VARIABLE));
		message.setLinkContractClass(PublicLinkContract.class);

		XDIClient xdiClient = new XDIHttpClient(xdiEndpointUri);

		MessagingResponse messagingResponse = xdiClient.send(messageEnvelope);

		ContextNode contextNode = messagingResponse.getGraph().getDeepContextNode(cloudNumber.getXDIAddress());
		ReadOnlyIterator<Relation> relations = contextNode.getRelations(XDIDictionaryConstants.XDI_ADD_IS_REF);

		for (Relation relation : relations) System.out.println("Manually discovered: " + relation.follow().getXDIAddress());
	}
 

import xdi2.client.XDIClient; //导入依赖的package包/类
public static void main(String[] args) throws Exception {

		LogManager.getLogger("xdi2").setLevel(Level.OFF);

		XDIWriter writer = XDIWriterRegistry.forFormat("XDI DISPLAY", null);

		// discovery

		XDIDiscoveryClient xdiDiscoveryClient = XDIDiscoveryClient.DEFAULT_DISCOVERY_CLIENT;
		XDIDiscoveryResult xdiDiscoveryResult = xdiDiscoveryClient.discoverFromRegistry(XDIAddress.create("=markus"));

		// construct message

		MessageEnvelope messageEnvelope = new MessageEnvelope();
		Message message = messageEnvelope.createMessage(XDIAddress.create("=sender"));
		message.createGetOperation(XDIAddress.create("=markus<#email>"));
		message.setToPeerRootXDIArc(xdiDiscoveryResult.getCloudNumber().getPeerRootXDIArc());
		message.setLinkContractClass(PublicLinkContract.class);

		// construct client, send message, read result

		XDIClient client = new XDIHttpClient(xdiDiscoveryResult.getXdiEndpointUri());

		MessagingResponse messagingResponse = client.send(messageEnvelope);

		// print results

		System.out.println("Discovery result: ");
		writer.write(xdiDiscoveryResult.getMessagingResponse().getGraph(), System.out);
		System.out.println();

		System.out.println("Message envelope: ");
		writer.write(messageEnvelope.getGraph(), System.out);
		System.out.println();

		System.out.println("Messaging response: ");
		writer.write(messagingResponse.getGraph(), System.out);
	}