48 lines
1.3 KiB
Java
48 lines
1.3 KiB
Java
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package envoy.client;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.ObjectInputStream;
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import java.io.ObjectOutputStream;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* Project: <strong>envoy-client</strong><br>
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* File: <strong>ChatSynchronizer.java</strong><br>
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* Created: <strong>27.10.2019</strong><br>
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*
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* @author Kai S. K. Engelbart
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* @since Envoy v0.1-alpha
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*/
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public class ChatSynchronizer {
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private File localDB;
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private List<Chat> chats = new ArrayList<>();
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public ChatSynchronizer(String localDBPath) {
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localDB = new File(localDBPath);
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if (localDB.exists() && !localDB.isDirectory()) loadFromLocalDB();
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}
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public void saveToLocalDB() {
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try (ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream(localDB))) {
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out.writeObject(chats);
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} catch(IOException ex) {
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ex.printStackTrace();
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}
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}
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@SuppressWarnings("unchecked")
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private void loadFromLocalDB() {
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try (ObjectInputStream in = new ObjectInputStream(new FileInputStream(localDB))) {
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Object obj = in.readObject();
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if (obj instanceof ArrayList<?>) chats = (ArrayList<Chat>) obj;
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} catch (ClassNotFoundException | IOException e) {}
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}
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public List<Chat> getChats() { return chats; }
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}
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