2019-10-06 10:45:19 +02:00
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package envoy.client;
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import java.time.Instant;
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2019-10-06 13:30:31 +02:00
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import java.util.Arrays;
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2019-10-06 10:45:19 +02:00
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import javax.ws.rs.client.ClientBuilder;
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import javax.ws.rs.client.Entity;
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import javax.ws.rs.client.WebTarget;
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import javax.ws.rs.core.Response;
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import javax.xml.bind.JAXBContext;
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import javax.xml.bind.JAXBException;
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import javax.xml.bind.Marshaller;
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import javax.xml.datatype.DatatypeConfigurationException;
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import javax.xml.datatype.DatatypeFactory;
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2019-10-07 16:14:14 +02:00
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2019-10-06 10:45:19 +02:00
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import envoy.schema.Message;
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2019-10-12 08:19:00 +02:00
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import envoy.schema.Message.MetaData.MessageState;
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2019-10-06 10:45:19 +02:00
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import envoy.schema.Messages;
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import envoy.schema.ObjectFactory;
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2019-10-12 14:45:58 +02:00
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import envoy.schema.User;
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2019-10-07 17:35:57 +02:00
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import envoy.schema.Users;
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2019-10-06 10:45:19 +02:00
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/**
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* Project: <strong>envoy-client</strong><br>
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2019-10-12 11:19:29 +02:00
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* File: <strong>Client.java</strong><br>
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2019-10-06 10:45:19 +02:00
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* Created: <strong>28 Sep 2019</strong><br>
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2019-10-12 08:19:00 +02:00
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*
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* @author Kai S. K. Engelbart
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* @author Maximilian Käfer
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2019-10-12 14:45:58 +02:00
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* @author Leon Hofmeister
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2019-10-12 08:19:00 +02:00
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* @since Envoy 0.1
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2019-10-06 10:45:19 +02:00
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*/
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2019-10-12 11:19:29 +02:00
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public class Client {
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2019-10-06 10:45:19 +02:00
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private ObjectFactory objectFactory = new ObjectFactory();
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private DatatypeFactory datatypeFactory;
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private Config config;
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private User user;
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2019-10-12 14:45:58 +02:00
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public Client(Config config, String username) {
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2019-10-12 11:19:29 +02:00
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this.config = config;
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2019-10-06 10:45:19 +02:00
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try {
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datatypeFactory = DatatypeFactory.newInstance();
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} catch (DatatypeConfigurationException e) {
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e.printStackTrace();
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}
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2019-10-12 14:45:58 +02:00
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user = getUser(username);
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System.out.printf("Mein Name ist %s und ich habe die ID %d%n", user.getName(), user.getID());
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2019-10-06 10:45:19 +02:00
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}
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/**
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* Sends a message with text content to the server.<br>
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* Because sending a request is a blocking operation, it is executed
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* asynchronously.
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*
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* @param sender name of the sender
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* @param recipient name of the recipient
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* @param textContent content (text) of the message
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*/
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public void sendMessage(Message message) {
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new Thread(() -> {
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// Wrap single message into messages list
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Messages messages = wrapMessage(message);
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// Print message XML to console
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JAXBContext jc;
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try {
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jc = JAXBContext.newInstance("envoy.schema");
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Marshaller m = jc.createMarshaller();
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m.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
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m.marshal(messages, System.out);
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} catch (JAXBException e) {
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e.printStackTrace();
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}
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// Send message
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javax.ws.rs.client.Client client = ClientBuilder.newClient();
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WebTarget target = client
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.target(String.format("%s:%d/envoy-server/rest/message/send", config.getServer(), config.getPort()));
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Response response = target.request().post(Entity.entity(messages, "application/xml"));
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System.out.println("Response code: " + response.getStatus());
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response.close();
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client.close();
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}).start();
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}
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/**
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* Creates a {@link Message} object serializable to XML.
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*
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* @param senderID The ID of the sender
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* @param recipientID The ID of the recipient
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* @param textContent The content (text) of the message
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* @return prepared {@link Message} object
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*/
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public Message createMessage(long senderID, long recipientID, String textContent) {
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Message.MetaData metaData = objectFactory.createMessageMetaData();
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metaData.setSender(senderID);
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metaData.setRecipient(recipientID);
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metaData.setState(MessageState.WAITING);
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metaData.setDate(datatypeFactory.newXMLGregorianCalendar(Instant.now().toString()));
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Message.Content content = objectFactory.createMessageContent();
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content.setType("text");
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content.setText(textContent);
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Message message = objectFactory.createMessage();
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message.setMetaData(metaData);
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message.getContent().add(content);
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return message;
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}
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public Messages wrapMessage(Message... messages) {
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Messages wrapper = objectFactory.createMessages();
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wrapper.getMessage().addAll(Arrays.asList(messages));
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return wrapper;
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}
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2019-10-12 11:19:29 +02:00
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2019-10-07 17:35:57 +02:00
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public Users getUsersListXml() {
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javax.ws.rs.client.Client client = ClientBuilder.newClient();
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WebTarget target = client
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.target(String.format("%s:%d/envoy-server/rest/user", config.getServer(), config.getPort()));
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Response response = target.request("application/xml").get();
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Users users = response.readEntity(Users.class);
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2019-10-07 17:35:57 +02:00
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System.out.println("Response code: " + response.getStatus());
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response.close();
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client.close();
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return users;
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2019-10-07 16:14:14 +02:00
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}
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2019-10-13 17:25:20 +02:00
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2019-10-12 14:45:58 +02:00
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/**
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2019-10-13 17:25:20 +02:00
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* Returns a {@link User} with a specific name by name.
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*
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* @param name - the name of the {@link User}
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* @return a {@link User} with the specified name
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2019-10-12 14:45:58 +02:00
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* @since Envoy 0.1
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*/
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private User getUser(String name) {
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javax.ws.rs.client.Client client = ClientBuilder.newClient();
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2019-10-13 17:25:20 +02:00
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WebTarget target = client.target(String
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.format("%s:%d/envoy-server/rest/user/sender?name=" + name, config.getServer(), config.getPort()));
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2019-10-12 14:45:58 +02:00
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Response response = target.request("application/xml").get();
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Users users = response.readEntity(Users.class);
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System.out.println("Response code: " + response.getStatus());
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response.close();
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client.close();
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return users.getUser().get(0);
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}
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2019-10-13 17:25:20 +02:00
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2019-10-12 17:35:58 +02:00
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/**
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2019-10-13 17:25:20 +02:00
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* @return the user id of this client
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2019-10-12 17:35:58 +02:00
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* @since Envoy 0.1
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*/
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2019-10-13 17:25:20 +02:00
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public long getSenderID() { return user.getID(); }
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2019-10-19 09:59:45 +02:00
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public User getClientUser() { return user;}
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2019-09-30 09:53:16 +02:00
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}
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