Working on handshake mechanism with login
This commit is contained in:
parent
88c810c2f4
commit
61d3d44ee5
@ -1,21 +1,15 @@
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package envoy.client;
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import java.io.StringWriter;
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import java.util.HashMap;
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import java.io.IOException;
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import java.io.InputStream;
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import java.net.Socket;
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import java.util.Map;
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import java.util.logging.Logger;
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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 envoy.client.util.EnvoyLog;
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import envoy.data.LoginCredentials;
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import envoy.data.User;
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import envoy.exception.EnvoyException;
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import envoy.util.SerializationUtils;
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/**
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* Project: <strong>envoy-client</strong><br>
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@ -29,43 +23,41 @@ import envoy.exception.EnvoyException;
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*/
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public class Client {
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private Config config;
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private Socket socket;
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private Config config = Config.getInstance();
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private User sender, recipient;
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private boolean online = false;
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private boolean online;
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private static final Logger logger = EnvoyLog.getLogger(Client.class.getSimpleName());
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/**
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* Initializes the client. At this state, the client user has yet to be
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* initialized, which can be done by calling {@link Client#onlineInit(String)}.
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*
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* @param config The {@link Config} instance to use in this client
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* @since Envoy v0.2-alpha
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*/
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public Client(Config config) { this.config = config; }
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/**
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* Enters the online mode by acquiring a user ID from the server.
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*
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* @param userName the name of the client user
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* @throws EnvoyException if the online mode could not be entered or the request
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* @param credentials the login credentials of the user
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* @throws IOException if the online mode could not be entered or the request
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* failed for some other reason
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* @since Envoy v0.2-alpha
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*/
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public void onlineInit(String userName) throws EnvoyException {
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sender = getUser(userName);
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online = true;
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public void onlineInit(LoginCredentials credentials) throws IOException {
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logger.info(String.format("Attempting connection to server %s:%d...", config.getServer(), config.getPort()));
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socket = new Socket(config.getServer(), config.getPort());
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logger.info("Successfully connected to server.");
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// Write login credentials
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logger.finest("Sending login credentials...");
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SerializationUtils.writeBytesWithLength(credentials, socket.getOutputStream());
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// Read response (user object)
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InputStream in = socket.getInputStream();
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// Read object
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try {
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sender = SerializationUtils.read(in, User.class);
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} catch (ClassNotFoundException e) {
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throw new IOException(e);
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}
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private <T, R> R post(String uri, T body, Class<R> responseBodyClass) {
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javax.ws.rs.client.Client client = ClientBuilder.newClient();
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WebTarget target = client.target(uri);
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Response response = target.request().post(Entity.entity(body, "application/xml"));
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R responseBody = response.readEntity(responseBodyClass);
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response.close();
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client.close();
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return responseBody;
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online = true;
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}
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/**
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@ -74,106 +66,8 @@ public class Client {
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* @since Envoy v0.2-alpha
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*/
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public Map<String, User> getUsers() {
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Sync sendSync = objectFactory.createSync();
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User user = objectFactory.createUser();
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user.setID(-1);
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sendSync.getUsers().add(user);
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Sync returnSync = post(String.format("%s:%d/envoy-server/rest/sync/syncData?userId=%d", config.getServer(), config.getPort(), 0),
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sendSync,
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Sync.class);
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Map<String, User> users = new HashMap<>();
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returnSync.getUsers().forEach(u -> users.put(u.getName(), u));
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return users;
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}
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/**
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* Returns a {@link User} with a specific id 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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* @throws EnvoyException if the server does not return the requested ID
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* @since Envoy v0.1-alpha
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*/
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private User getUser(String name) throws EnvoyException {
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// Create a sync with only a user with the requested name
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Sync senderSync = objectFactory.createSync();
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User user = objectFactory.createUser();
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user.setName(name);
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senderSync.getUsers().add(user);
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try {
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Sync sync = post(String.format("%s:%d/envoy-server/rest/sync/syncData?userId=%d", config.getServer(), config.getPort(), 0),
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senderSync,
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Sync.class);
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// Expecting a single user with an ID
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if (sync.getUsers().size() == 1) {
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online = true;
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return sync.getUsers().get(0);
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} else throw new EnvoyException("Unexpected response from Envoy Server");
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} catch (Exception e) {
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throw new EnvoyException("Could not connect to server", e);
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}
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}
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/**
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* Sends the "sync" Sync Object to the server and gets a "returnSync" Sync
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* Object as response. <br>
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* It is also used to get the own sender at the start of the client
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* (Client sends "sync" Sync Object with single user in it(name: the name
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* entered at login, id: 0, UserStatus:null))<br>
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* and to get a complete list of all users saved on the server.
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* (Client sends "sync" Sync Object with single user in it(name: "" (empty), id:
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* -1, UserStatus:null)) <br>
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* This method also processes the response Sync Object. <br>
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* It sorts its users and messages by specific variables and does certain things
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* with them. <br>
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* <br>
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* Messages: <br>
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* -State SENT: Update Local message(s) with State WAITING (add Message ID and
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* change State to SENT). (server sends these informations to the client if
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* message(s) with State WAITING were successfully sent to the server)<br>
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* -State RECEIVED, SenderID != 0: Adds the unread Messages returned from the
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* server in the latest sync to the "unreadMessagesSync" Sync Object. <br>
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* -State RECEIVED, SenderID == 0: Update message(s) in localDB to state
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* RECEIVED.
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* (server sends these informations to the client if the other client received
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* the message(s).) <br>
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* -State READ: Update message(s) in the LocalDB to state READ. (server sends
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* these informations to the client if the other client read
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* the message(s).) <br>
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* <br>
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* Users: <br>
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* Updating UserStatus of all users in LocalDB. (Server sends all users with
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* their updated UserStatus to the client.) <br>
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*
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* @param userId the id of the {@link Client} who sends the {@link Sync}
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* @param sync the sync object (yet to be converted from java class to
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* sync.xml)
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* @return a returnSync.xml file
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* @throws EnvoyException if the client is not in online mode
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* @since Envoy v0.1-alpha
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*/
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public Sync sendSync(long userId, Sync sync) throws EnvoyException {
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if(!isOnline())
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throw new EnvoyException("Client is not in online mode");
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// Print sync 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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StringWriter stringWriter = new StringWriter();
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m.marshal(sync, stringWriter);
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logger.fine("Sending sync:\n" + stringWriter.toString());
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} catch (JAXBException e) {
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e.printStackTrace();
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}
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// Send sync
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return post(String.format("%s:%d/envoy-server/rest/sync/syncData?userId=%d", config.getServer(), config.getPort(), userId), sync, Sync.class);
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// TODO
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return null;
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}
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/**
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@ -5,17 +5,9 @@ import java.io.IOException;
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import java.util.*;
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import java.util.logging.Logger;
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import javax.naming.spi.ObjectFactory;
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import javax.xml.datatype.DatatypeConfigurationException;
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import javax.xml.datatype.DatatypeFactory;
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import envoy.client.event.EventBus;
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import envoy.client.event.MessageCreationEvent;
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import envoy.client.util.EnvoyLog;
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import envoy.client.util.SerializationUtils;
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import envoy.data.Message;
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import envoy.data.User;
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import envoy.exception.EnvoyException;
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import envoy.util.SerializationUtils;
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/**
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* Project: <strong>envoy-client</strong><br>
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@ -33,13 +25,6 @@ public class LocalDB {
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private Map<String, User> users = new HashMap<>();
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private List<Chat> chats = new ArrayList<>();
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private ObjectFactory objectFactory = new ObjectFactory();
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private DatatypeFactory datatypeFactory;
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private Sync unreadMessagesSync = objectFactory.createSync();
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private Sync sync = objectFactory.createSync();
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private Sync readMessages = objectFactory.createSync();
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private static final Logger logger = EnvoyLog.getLogger(LocalDB.class.getSimpleName());
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/**
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@ -53,12 +38,6 @@ public class LocalDB {
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public LocalDB(File localDBDir) throws IOException {
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this.localDBDir = localDBDir;
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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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// Initialize local database directory
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if (localDBDir.exists() && !localDBDir.isDirectory())
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throw new IOException(String.format("LocalDBDir '%s' is not a directory!", localDBDir.getAbsolutePath()));
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@ -94,161 +73,180 @@ public class LocalDB {
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/**
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* Loads all users that are stored in the local database.
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*
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* @throws EnvoyException if the loading process failed
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* @throws IOException if the loading process failed
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* @throws ClassNotFoundException if the loading process failed
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* @since Envoy v0.2-alpha
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*/
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public void loadUsers() throws EnvoyException { users = SerializationUtils.read(usersFile, HashMap.class); }
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public void loadUsers() throws ClassNotFoundException, IOException { users = SerializationUtils.read(usersFile, HashMap.class); }
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/**
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* Loads all chats saved by Envoy for the client user.
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*
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* @throws EnvoyException if the loading process failed
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* @throws IOException if the loading process failed
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* @throws ClassNotFoundException if the loading process failed
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* @since Envoy v0.1-alpha
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*/
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public void loadChats() throws EnvoyException { chats = SerializationUtils.read(localDBFile, ArrayList.class); }
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public void loadChats() throws ClassNotFoundException, IOException { chats = SerializationUtils.read(localDBFile, ArrayList.class); }
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/**
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* Creates a {@link Sync} object filled with the changes that occurred to the
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* local database since the last synchronization.
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*
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* @param userId the ID of the user that is synchronized by this client
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* @return {@link Sync} object filled with the current changes
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* @since Envoy v0.1-alpha
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*/
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public Sync fillSync(long userId) {
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addWaitingMessagesToSync();
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sync.getMessages().addAll(readMessages.getMessages());
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readMessages.getMessages().clear();
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logger.finest(String.format("Filled sync with %d messages.", sync.getMessages().size()));
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return sync;
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}
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/**
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* Applies the changes carried by a {@link Sync} object to the local database
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*
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* @param returnSync the {@link Sync} object to apply
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* @since Envoy v0.1-alpha
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*/
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public void applySync(Sync returnSync) {
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for (int i = 0; i < returnSync.getMessages().size(); i++) {
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// The message has an ID
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if (returnSync.getMessages().get(i).getMetadata().getMessageId() != 0) {
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// Messages are processes differently corresponding to their state
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switch (returnSync.getMessages().get(i).getMetadata().getState()) {
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case SENT:
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// Update previously waiting and now sent messages that were assigned an ID by
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// the server
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sync.getMessages().get(i).getMetadata().setMessageId(returnSync.getMessages().get(i).getMetadata().getMessageId());
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sync.getMessages().get(i).getMetadata().setState(returnSync.getMessages().get(i).getMetadata().getState());
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break;
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case RECEIVED:
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if (returnSync.getMessages().get(i).getMetadata().getSender() != 0) {
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// these are the unread Messages from the server
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unreadMessagesSync.getMessages().add(returnSync.getMessages().get(i));
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// Create and dispatch message creation event
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EventBus.getInstance().dispatch(new MessageCreationEvent(returnSync.getMessages().get(i)));
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} else {
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// Update Messages in localDB to state RECEIVED
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for (Chat chat : getChats())
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if (chat.getRecipient().getId() == returnSync.getMessages().get(i).getMetadata().getRecipient())
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for (int j = 0; j < chat.getModel().getSize(); j++)
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if (chat.getModel().get(j).getMetadata().getMessageId() == returnSync.getMessages()
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.get(i)
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.getMetadata()
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.getMessageId())
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chat.getModel().get(j).getMetadata().setState(returnSync.getMessages().get(i).getMetadata().getState());
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}
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break;
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case READ:
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// Update local Messages to state READ
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logger.info("Message with ID: " + returnSync.getMessages().get(i).getMetadata().getMessageId()
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+ "was initialized to be set to READ in localDB.");
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for (Chat chat : getChats())
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if (chat.getRecipient().getId() == returnSync.getMessages().get(i).getMetadata().getRecipient()) {
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logger.info("Chat with: " + chat.getRecipient().getId() + "was selected.");
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for (int k = 0; k < chat.getModel().getSize(); k++)
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if (chat.getModel().get(k).getMetadata().getMessageId() == returnSync.getMessages()
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.get(i)
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.getMetadata()
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.getMessageId()) {
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logger.info("Message with ID: " + chat.getModel().get(k).getMetadata().getMessageId() + "was selected.");
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chat.getModel().get(k).getMetadata().setState(returnSync.getMessages().get(i).getMetadata().getState());
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logger.info("Message State is now: " + chat.getModel().get(k).getMetadata().getState());
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}
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}
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break;
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}
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}
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}
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// Updating UserStatus of all users in LocalDB
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for (User user : returnSync.getUsers())
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for (Chat chat : getChats())
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if (user.getId() == chat.getRecipient().getId()) chat.getRecipient().setStatus(user.getStatus());
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sync.getMessages().clear();
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sync.getUsers().clear();
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}
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/**
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* Adds the unread messages returned from the server in the latest sync to the
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* right chats in the LocalDB.
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*
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* @since Envoy v0.1-alpha
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*/
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public void addUnreadMessagesToLocalDB() {
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for (Message message : unreadMessagesSync.getMessages())
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for (Chat chat : getChats())
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if (message.getMetadata().getSender() == chat.getRecipient().getId()) {
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chat.appendMessage(message);
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break;
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}
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}
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/**
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* Changes all messages with state {@code RECEIVED} of a specific chat to state
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* {@code READ}.
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* <br>
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* Adds these messages to the {@code readMessages} {@link Sync} object.
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*
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* @param currentChat the {@link Chat} that was just opened
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* @since Envoy v0.1-alpha
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*/
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public void setMessagesToRead(Chat currentChat) {
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for (int i = currentChat.getModel().size() - 1; i >= 0; --i)
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if (currentChat.getModel().get(i).getMetadata().getRecipient() != currentChat.getRecipient().getId())
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if (currentChat.getModel().get(i).getMetadata().getState() == MessageState.RECEIVED) {
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currentChat.getModel().get(i).getMetadata().setState(MessageState.READ);
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readMessages.getMessages().add(currentChat.getModel().get(i));
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} else break;
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}
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/**
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* Adds all messages with state {@code WAITING} from the {@link LocalDB} to the
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* {@link Sync} object.
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*
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* @since Envoy v0.1-alpha
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*/
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private void addWaitingMessagesToSync() {
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for (Chat chat : getChats())
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for (int i = 0; i < chat.getModel().size(); i++)
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if (chat.getModel().get(i).getMetadata().getState() == MessageState.WAITING) {
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logger.info("Got Waiting Message");
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sync.getMessages().add(chat.getModel().get(i));
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}
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}
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/**
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* Clears the {@code unreadMessagesSync} {@link Sync} object.
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*
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* @since Envoy v0.1-alpha
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*/
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public void clearUnreadMessagesSync() { unreadMessagesSync.getMessages().clear(); }
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// /**
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// * Creates a {@link Sync} object filled with the changes that occurred to the
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// * local database since the last synchronization.
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// *
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// * @param userId the ID of the user that is synchronized by this client
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// * @return {@link Sync} object filled with the current changes
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// * @since Envoy v0.1-alpha
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// */
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// public Sync fillSync(long userId) {
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// addWaitingMessagesToSync();
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//
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// sync.getMessages().addAll(readMessages.getMessages());
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// readMessages.getMessages().clear();
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//
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// logger.finest(String.format("Filled sync with %d messages.",
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// sync.getMessages().size()));
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// return sync;
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// }
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//
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// /**
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// * Applies the changes carried by a {@link Sync} object to the local database
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// *
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// * @param returnSync the {@link Sync} object to apply
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// * @since Envoy v0.1-alpha
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// */
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// public void applySync(Sync returnSync) {
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// for (int i = 0; i < returnSync.getMessages().size(); i++) {
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//
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// // The message has an ID
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// if (returnSync.getMessages().get(i).getMetadata().getMessageId() != 0) {
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//
|
||||
// // Messages are processes differently corresponding to their state
|
||||
// switch (returnSync.getMessages().get(i).getMetadata().getState()) {
|
||||
// case SENT:
|
||||
// // Update previously waiting and now sent messages that were assigned an ID
|
||||
// by
|
||||
// // the server
|
||||
// sync.getMessages().get(i).getMetadata().setMessageId(returnSync.getMessages().get(i).getMetadata().getMessageId());
|
||||
// sync.getMessages().get(i).getMetadata().setState(returnSync.getMessages().get(i).getMetadata().getState());
|
||||
// break;
|
||||
// case RECEIVED:
|
||||
// if (returnSync.getMessages().get(i).getMetadata().getSender() != 0) {
|
||||
// // these are the unread Messages from the server
|
||||
// unreadMessagesSync.getMessages().add(returnSync.getMessages().get(i));
|
||||
//
|
||||
// // Create and dispatch message creation event
|
||||
// EventBus.getInstance().dispatch(new
|
||||
// MessageCreationEvent(returnSync.getMessages().get(i)));
|
||||
// } else {
|
||||
// // Update Messages in localDB to state RECEIVED
|
||||
// for (Chat chat : getChats())
|
||||
// if (chat.getRecipient().getId() ==
|
||||
// returnSync.getMessages().get(i).getMetadata().getRecipient())
|
||||
// for (int j = 0; j < chat.getModel().getSize(); j++)
|
||||
// if (chat.getModel().get(j).getMetadata().getMessageId() ==
|
||||
// returnSync.getMessages()
|
||||
// .get(i)
|
||||
// .getMetadata()
|
||||
// .getMessageId())
|
||||
// chat.getModel().get(j).getMetadata().setState(returnSync.getMessages().get(i).getMetadata().getState());
|
||||
// }
|
||||
// break;
|
||||
// case READ:
|
||||
// // Update local Messages to state READ
|
||||
// logger.info("Message with ID: " +
|
||||
// returnSync.getMessages().get(i).getMetadata().getMessageId()
|
||||
// + "was initialized to be set to READ in localDB.");
|
||||
// for (Chat chat : getChats())
|
||||
// if (chat.getRecipient().getId() ==
|
||||
// returnSync.getMessages().get(i).getMetadata().getRecipient()) {
|
||||
// logger.info("Chat with: " + chat.getRecipient().getId() + "was selected.");
|
||||
// for (int k = 0; k < chat.getModel().getSize(); k++)
|
||||
// if (chat.getModel().get(k).getMetadata().getMessageId() ==
|
||||
// returnSync.getMessages()
|
||||
// .get(i)
|
||||
// .getMetadata()
|
||||
// .getMessageId()) {
|
||||
// logger.info("Message with ID: " +
|
||||
// chat.getModel().get(k).getMetadata().getMessageId() + "was selected.");
|
||||
// chat.getModel().get(k).getMetadata().setState(returnSync.getMessages().get(i).getMetadata().getState());
|
||||
// logger.info("Message State is now: " +
|
||||
// chat.getModel().get(k).getMetadata().getState());
|
||||
// }
|
||||
// }
|
||||
// break;
|
||||
// }
|
||||
// }
|
||||
// }
|
||||
//
|
||||
// // Updating UserStatus of all users in LocalDB
|
||||
// for (User user : returnSync.getUsers())
|
||||
// for (Chat chat : getChats())
|
||||
// if (user.getId() == chat.getRecipient().getId())
|
||||
// chat.getRecipient().setStatus(user.getStatus());
|
||||
//
|
||||
// sync.getMessages().clear();
|
||||
// sync.getUsers().clear();
|
||||
// }
|
||||
//
|
||||
// /**
|
||||
// * Adds the unread messages returned from the server in the latest sync to the
|
||||
// * right chats in the LocalDB.
|
||||
// *
|
||||
// * @since Envoy v0.1-alpha
|
||||
// */
|
||||
// public void addUnreadMessagesToLocalDB() {
|
||||
// for (Message message : unreadMessagesSync.getMessages())
|
||||
// for (Chat chat : getChats())
|
||||
// if (message.getMetadata().getSender() == chat.getRecipient().getId()) {
|
||||
// chat.appendMessage(message);
|
||||
// break;
|
||||
// }
|
||||
// }
|
||||
//
|
||||
// /**
|
||||
// * Changes all messages with state {@code RECEIVED} of a specific chat to
|
||||
// state
|
||||
// * {@code READ}.
|
||||
// * <br>
|
||||
// * Adds these messages to the {@code readMessages} {@link Sync} object.
|
||||
// *
|
||||
// * @param currentChat the {@link Chat} that was just opened
|
||||
// * @since Envoy v0.1-alpha
|
||||
// */
|
||||
// public void setMessagesToRead(Chat currentChat) {
|
||||
// for (int i = currentChat.getModel().size() - 1; i >= 0; --i)
|
||||
// if (currentChat.getModel().get(i).getMetadata().getRecipient() !=
|
||||
// currentChat.getRecipient().getId())
|
||||
// if (currentChat.getModel().get(i).getMetadata().getState() ==
|
||||
// MessageState.RECEIVED) {
|
||||
// currentChat.getModel().get(i).getMetadata().setState(MessageState.READ);
|
||||
// readMessages.getMessages().add(currentChat.getModel().get(i));
|
||||
// } else break;
|
||||
// }
|
||||
//
|
||||
// /**
|
||||
// * Adds all messages with state {@code WAITING} from the {@link LocalDB} to
|
||||
// the
|
||||
// * {@link Sync} object.
|
||||
// *
|
||||
// * @since Envoy v0.1-alpha
|
||||
// */
|
||||
// private void addWaitingMessagesToSync() {
|
||||
// for (Chat chat : getChats())
|
||||
// for (int i = 0; i < chat.getModel().size(); i++)
|
||||
// if (chat.getModel().get(i).getMetadata().getState() == MessageState.WAITING)
|
||||
// {
|
||||
// logger.info("Got Waiting Message");
|
||||
// sync.getMessages().add(chat.getModel().get(i));
|
||||
// }
|
||||
// }
|
||||
//
|
||||
// /**
|
||||
// * Clears the {@code unreadMessagesSync} {@link Sync} object.
|
||||
// *
|
||||
// * @since Envoy v0.1-alpha
|
||||
// */
|
||||
// public void clearUnreadMessagesSync() {
|
||||
// unreadMessagesSync.getMessages().clear(); }
|
||||
|
||||
/**
|
||||
* @return a {@code Map<String, User>} of all users stored locally with their
|
||||
|
||||
@ -1,14 +1,14 @@
|
||||
package envoy.client;
|
||||
|
||||
import java.io.*;
|
||||
import java.io.File;
|
||||
import java.io.IOException;
|
||||
import java.util.HashMap;
|
||||
import java.util.Map;
|
||||
import java.util.prefs.Preferences;
|
||||
|
||||
import envoy.client.ui.Color;
|
||||
import envoy.client.ui.Theme;
|
||||
import envoy.client.util.SerializationUtils;
|
||||
import envoy.exception.EnvoyException;
|
||||
import envoy.util.SerializationUtils;
|
||||
|
||||
/**
|
||||
* Manages all application settings, which are different objects that can be
|
||||
@ -55,7 +55,7 @@ public class Settings {
|
||||
// Load settings from settings file
|
||||
try {
|
||||
items = SerializationUtils.read(settingsFile, HashMap.class);
|
||||
} catch (EnvoyException e) {
|
||||
} catch (ClassNotFoundException | IOException e) {
|
||||
items = new HashMap<>();
|
||||
}
|
||||
supplementDefaults();
|
||||
@ -63,7 +63,7 @@ public class Settings {
|
||||
// Load themes from theme file
|
||||
try {
|
||||
themes = SerializationUtils.read(themeFile, HashMap.class);
|
||||
} catch (EnvoyException e1) {
|
||||
} catch (ClassNotFoundException | IOException e1) {
|
||||
themes = new HashMap<>();
|
||||
setCurrentTheme("dark");
|
||||
}
|
||||
|
||||
@ -1,19 +0,0 @@
|
||||
package envoy.client.event;
|
||||
|
||||
/**
|
||||
* Project: <strong>envoy-client</strong><br>
|
||||
* File: <strong>Event.java</strong><br>
|
||||
* Created: <strong>04.12.2019</strong><br>
|
||||
*
|
||||
* @author Kai S. K. Engelbart
|
||||
* @param <T> the type of the Event
|
||||
* @since Envoy v0.2-alpha
|
||||
*/
|
||||
public interface Event<T> {
|
||||
|
||||
/**
|
||||
* @return the data associated with this event
|
||||
*/
|
||||
T get();
|
||||
}
|
||||
|
||||
@ -1,81 +0,0 @@
|
||||
package envoy.client.event;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.HashMap;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
|
||||
/**
|
||||
* This class handles events by allowing {@link EventHandler} object to register
|
||||
* themselves and then be notified about certain events dispatched by the event
|
||||
* bus.<br>
|
||||
* <br>
|
||||
* The event bus is a singleton and can be used across the entire application to
|
||||
* guarantee the propagation of events.<br>
|
||||
*
|
||||
* Project: <strong>envoy-client</strong><br>
|
||||
* File: <strong>EventBus.java</strong><br>
|
||||
* Created: <strong>04.12.2019</strong><br>
|
||||
*
|
||||
* @author Kai S. K. Engelbart
|
||||
* @since Envoy v0.2-alpha
|
||||
*/
|
||||
public class EventBus {
|
||||
|
||||
/**
|
||||
* Contains all {@link EventHandler} instances registered at this
|
||||
* {@link EventBus} as values mapped to by their supported {@link Event}
|
||||
* classes.
|
||||
*/
|
||||
private Map<Class<? extends Event<?>>, List<EventHandler>> handlers = new HashMap<>();
|
||||
|
||||
/**
|
||||
* The singleton instance of this {@link EventBus} that is used across the
|
||||
* entire application.
|
||||
*/
|
||||
private static EventBus eventBus = new EventBus();
|
||||
|
||||
/**
|
||||
* This constructor is not accessible from outside this class because a
|
||||
* singleton instance of it is provided by the {@link EventBus#getInstance()}
|
||||
* method.
|
||||
*/
|
||||
private EventBus() {}
|
||||
|
||||
/**
|
||||
* @return the singleton instance of the {@link EventBus}
|
||||
* @since Envoy v0.2-alpha
|
||||
*/
|
||||
public static EventBus getInstance() { return eventBus; }
|
||||
|
||||
/**
|
||||
* Registers an {@link EventHandler} to be notified when a
|
||||
* {@link Event} of a certain type is dispatched.
|
||||
*
|
||||
* @param eventClass the class which the {@link EventHandler} is subscribed to
|
||||
* @param handler the {@link EventHandler} to register
|
||||
* @since Envoy v0.2-alpha
|
||||
*/
|
||||
public void register(Class<? extends Event<?>> eventClass, EventHandler handler) {
|
||||
if (!handlers.containsKey(eventClass)) handlers.put(eventClass, new ArrayList<>());
|
||||
handlers.get(eventClass).add(handler);
|
||||
}
|
||||
|
||||
/**
|
||||
* Dispatches a {@link Event} to every {@link EventHandler} subscribed to it.
|
||||
*
|
||||
* @param event the {@link Event} to dispatch
|
||||
* @since Envoy v0.2-alpha
|
||||
*/
|
||||
public void dispatch(Event<?> event) {
|
||||
handlers.keySet().stream().filter(event.getClass()::isAssignableFrom).map(handlers::get).flatMap(List::stream).forEach(h -> h.handle(event));
|
||||
}
|
||||
|
||||
/**
|
||||
* @return a map of all {@link EventHandler} instances currently registered at
|
||||
* this {@link EventBus} with the {@link Event} classes they are
|
||||
* subscribed to as keys
|
||||
* @since Envoy v0.2-alpha
|
||||
*/
|
||||
public Map<Class<? extends Event<?>>, List<EventHandler>> getHandlers() { return handlers; }
|
||||
}
|
||||
@ -1,18 +0,0 @@
|
||||
package envoy.client.event;
|
||||
|
||||
/**
|
||||
* Project: <strong>envoy-clientChess</strong><br>
|
||||
* File: <strong>EventHandler.javaEvent.java</strong><br>
|
||||
* Created: <strong>04.12.2019</strong><br>
|
||||
*
|
||||
* @author Kai S. K. Engelbart
|
||||
*/
|
||||
public interface EventHandler {
|
||||
|
||||
/**
|
||||
* Consumes an event dispatched by the event bus.
|
||||
*
|
||||
* @param event The event dispatched by the event bus, only of supported type
|
||||
*/
|
||||
void handle(Event<?> event);
|
||||
}
|
||||
@ -1,6 +1,7 @@
|
||||
package envoy.client.event;
|
||||
|
||||
import envoy.data.Message;
|
||||
import envoy.event.MessageEvent;
|
||||
|
||||
/**
|
||||
* Project: <strong>envoy-client</strong><br>
|
||||
|
||||
@ -1,27 +0,0 @@
|
||||
package envoy.client.event;
|
||||
|
||||
import envoy.data.Message;
|
||||
|
||||
/**
|
||||
* Project: <strong>envoy-client</strong><br>
|
||||
* File: <strong>MessageCreationEvent.java</strong><br>
|
||||
* Created: <strong>4 Dec 2019</strong><br>
|
||||
*
|
||||
* @author Kai S. K. Engelbart
|
||||
*/
|
||||
public class MessageEvent implements Event<Message> {
|
||||
|
||||
protected final Message message;
|
||||
|
||||
/**
|
||||
* Initializes a {@link MessageEvent} conveying information about a
|
||||
* {@link Message} object.
|
||||
*
|
||||
* @param message the {@link Message} object to attach to this event
|
||||
* @since Envoy v0.2-alpha
|
||||
*/
|
||||
public MessageEvent(Message message) { this.message = message; }
|
||||
|
||||
@Override
|
||||
public Message get() { return message; }
|
||||
}
|
||||
@ -1,6 +1,7 @@
|
||||
package envoy.client.event;
|
||||
|
||||
import envoy.data.Message;
|
||||
import envoy.event.MessageEvent;
|
||||
|
||||
/**
|
||||
* Project: <strong>envoy-client</strong><br>
|
||||
|
||||
@ -1,6 +1,7 @@
|
||||
package envoy.client.event;
|
||||
|
||||
import envoy.client.ui.Theme;
|
||||
import envoy.event.Event;
|
||||
|
||||
/**
|
||||
* Project: <strong>envoy-client</strong><br>
|
||||
|
||||
@ -10,13 +10,13 @@ import javax.swing.*;
|
||||
import javax.swing.border.EmptyBorder;
|
||||
|
||||
import envoy.client.*;
|
||||
import envoy.client.event.EventBus;
|
||||
import envoy.client.event.ThemeChangeEvent;
|
||||
import envoy.client.ui.settings.SettingsScreen;
|
||||
import envoy.client.util.EnvoyLog;
|
||||
import envoy.data.Message;
|
||||
import envoy.data.TextMessage;
|
||||
import envoy.data.User;
|
||||
import envoy.event.EventBus;
|
||||
|
||||
/**
|
||||
* Project: <strong>envoy-client</strong><br>
|
||||
@ -297,14 +297,15 @@ public class ChatWindow extends JFrame {
|
||||
|
||||
// Synchronize
|
||||
try {
|
||||
localDB.applySync(client.sendSync(client.getSender().getId(), localDB.fillSync(client.getSender().getId())));
|
||||
// localDB.applySync(client.sendSync(client.getSender().getId(),
|
||||
// localDB.fillSync(client.getSender().getId())));
|
||||
} catch (Exception e) {
|
||||
logger.log(Level.SEVERE, "Could not perform sync", e);
|
||||
}
|
||||
|
||||
// Process unread messages
|
||||
localDB.addUnreadMessagesToLocalDB();
|
||||
localDB.clearUnreadMessagesSync();
|
||||
// TODO: Process unread messages
|
||||
// localDB.addUnreadMessagesToLocalDB();
|
||||
// localDB.clearUnreadMessagesSync();
|
||||
|
||||
// Mark unread messages as read when they are in the current chat
|
||||
readCurrentChat();
|
||||
@ -325,7 +326,11 @@ public class ChatWindow extends JFrame {
|
||||
/**
|
||||
* Marks messages in the current chat as {@code READ}.
|
||||
*/
|
||||
private void readCurrentChat() { if (currentChat != null) { localDB.setMessagesToRead(currentChat); } }
|
||||
private void readCurrentChat() {
|
||||
if (currentChat != null) {
|
||||
// TODO: localDB.setMessagesToRead(currentChat);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets the {@link Client} used by this {@link ChatWindow}. If the client is
|
||||
|
||||
@ -12,6 +12,7 @@ import javax.swing.SwingUtilities;
|
||||
|
||||
import envoy.client.*;
|
||||
import envoy.client.util.EnvoyLog;
|
||||
import envoy.data.LoginCredentials;
|
||||
import envoy.data.User;
|
||||
import envoy.exception.EnvoyException;
|
||||
|
||||
@ -76,6 +77,9 @@ public class Startup {
|
||||
System.exit(1);
|
||||
}
|
||||
|
||||
// TODO: create dialog
|
||||
String pass = JOptionPane.showInputDialog("Enter password");
|
||||
|
||||
// Initialize the local database
|
||||
LocalDB localDB;
|
||||
try {
|
||||
@ -91,10 +95,10 @@ public class Startup {
|
||||
|
||||
// Acquire the client user (with ID) either from the server or from the local
|
||||
// database, which triggers offline mode
|
||||
Client client = new Client(config);
|
||||
Client client = new Client();
|
||||
try {
|
||||
// Try entering online mode first
|
||||
client.onlineInit(userName);
|
||||
client.onlineInit(new LoginCredentials(userName, pass.toCharArray()));
|
||||
} catch (Exception e1) {
|
||||
logger.warning("Could not connect to server. Trying offline mode...");
|
||||
try {
|
||||
@ -120,8 +124,8 @@ public class Startup {
|
||||
// Initialize chats in local database
|
||||
try {
|
||||
localDB.initializeDBFile();
|
||||
localDB.loadChats();
|
||||
} catch (EnvoyException e) {
|
||||
// TODO: localDB.loadChats();
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
JOptionPane.showMessageDialog(null,
|
||||
"Error while loading local database: " + e.toString() + "\nChats will not be stored locally.",
|
||||
|
||||
@ -5,10 +5,10 @@ import java.awt.TrayIcon.MessageType;
|
||||
import java.awt.event.WindowAdapter;
|
||||
import java.awt.event.WindowEvent;
|
||||
|
||||
import envoy.client.event.EventBus;
|
||||
import envoy.client.event.MessageCreationEvent;
|
||||
import envoy.data.Message;
|
||||
import envoy.data.TextMessage;
|
||||
import envoy.event.EventBus;
|
||||
import envoy.exception.EnvoyException;
|
||||
|
||||
/**
|
||||
|
||||
@ -10,11 +10,11 @@ import java.util.logging.Logger;
|
||||
import javax.swing.*;
|
||||
|
||||
import envoy.client.Settings;
|
||||
import envoy.client.event.EventBus;
|
||||
import envoy.client.event.ThemeChangeEvent;
|
||||
import envoy.client.ui.PrimaryButton;
|
||||
import envoy.client.ui.Theme;
|
||||
import envoy.client.util.EnvoyLog;
|
||||
import envoy.event.EventBus;
|
||||
|
||||
/**
|
||||
* This class provides the GUI to change the user specific settings.<br>
|
||||
|
||||
@ -10,11 +10,11 @@ import java.util.logging.Logger;
|
||||
import javax.swing.*;
|
||||
|
||||
import envoy.client.Settings;
|
||||
import envoy.client.event.EventBus;
|
||||
import envoy.client.event.ThemeChangeEvent;
|
||||
import envoy.client.ui.Color;
|
||||
import envoy.client.ui.Theme;
|
||||
import envoy.client.util.EnvoyLog;
|
||||
import envoy.event.EventBus;
|
||||
|
||||
/**
|
||||
* Displays GUI components that allow changing the current {@Theme} and creating
|
||||
|
||||
@ -1,57 +0,0 @@
|
||||
package envoy.client.util;
|
||||
|
||||
import java.io.*;
|
||||
|
||||
import envoy.exception.EnvoyException;
|
||||
|
||||
/**
|
||||
* Project: <strong>envoy-clientChess</strong><br>
|
||||
* File: <strong>SerializationUtils.javaEvent.java</strong><br>
|
||||
* Created: <strong>23.12.2019</strong><br>
|
||||
*
|
||||
* @author Kai S. K. Engelbart
|
||||
* @since Envoy v0.3-alpha
|
||||
*/
|
||||
public class SerializationUtils {
|
||||
|
||||
private SerializationUtils() {}
|
||||
|
||||
/**
|
||||
* Deserializes an arbitrary {@link Serializable} object from a file.
|
||||
*
|
||||
* @param <T> the type of the object to deserialize
|
||||
* @param file the file deserialize from
|
||||
* @param serializedClass the class of the object to deserialize
|
||||
* @return the deserialized object
|
||||
* @throws EnvoyException if an error occurred during deserialization
|
||||
* @since Envoy v0.3-alpha
|
||||
*/
|
||||
public static <T extends Serializable> T read(File file, Class<T> serializedClass) throws EnvoyException {
|
||||
if (file == null) throw new NullPointerException("File is null");
|
||||
try (ObjectInputStream in = new ObjectInputStream(new FileInputStream(file))) {
|
||||
return serializedClass.cast(in.readObject());
|
||||
} catch (ClassNotFoundException | IOException e) {
|
||||
throw new EnvoyException("Could not load serialized object", e);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Serializes an arbitrary object to a file.
|
||||
*
|
||||
* @param file the file to serialize to
|
||||
* @param obj the object to serialize
|
||||
* @throws IOException if an error occurred during serialization
|
||||
* @since Envoy v0.3-alpha
|
||||
*/
|
||||
public static void write(File file, Object obj) throws IOException {
|
||||
if (file == null) throw new NullPointerException("File is null");
|
||||
if (obj == null) throw new NullPointerException("Object to serialize is null");
|
||||
if (!file.exists()) {
|
||||
file.getParentFile().mkdirs();
|
||||
file.createNewFile();
|
||||
}
|
||||
try (ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream(file))) {
|
||||
out.writeObject(obj);
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user