Vorbereitet HL7 in DB

src/main/java/de/uniluebeck/mi/projmi6/db/DBHandler.java

@@ -3,6 +3,7 @@ package de.uniluebeck.mi.projmi6.db;
 import de.uniluebeck.mi.projmi6.model.*;
 
 import java.sql.*;
+import java.time.LocalDateTime;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -137,6 +138,12 @@ public class DBHandler {
             "`LetzterBearbeiter`=?," +
             "`Station`=? " +
             "WHERE `StatHistID`=?";
+    private static final String SELECT_LAST_HL7ENTRIES = "SELECT * FROM `hl7_nachrichten` limit ?";
+    private static final String INSERT_HL7NACHRICHT = "INSERT INTO `hl7_nachrichten` " +
+            "(`hl7msg`," +
+            "`timestamp`," +
+            "`source`) " +
+            "VALUES (?, ?, ?)";
 
     /**
      * Gibt alle {@link Patient} aus der DB zurueck.
@@ -768,4 +775,36 @@ public class DBHandler {
         setVersionInformation(kasse, rs);
         return kasse;
     }
+
+    public static void setHL7Nachricht(String hl7msg, LocalDateTime timestamp, String source) throws SQLException {
+        PreparedStatement statement = MySqlConnectionFactory.getConnection().prepareStatement(INSERT_HL7NACHRICHT);
+        statement.setString(1, hl7msg);
+        statement.setTimestamp(2, Timestamp.valueOf(timestamp));
+        statement.setString(3, source);
+        statement.execute();
+    }
+
+    public static List<HL7LogEntry> getLastHL7LogEntries() throws SQLException {
+        return getLastHL7LogEntries(30);
+    }
+
+    public static List<HL7LogEntry> getLastHL7LogEntries(int last) throws SQLException {
+        PreparedStatement statement = MySqlConnectionFactory.getConnection().prepareStatement(SELECT_LAST_HL7ENTRIES);
+        statement.setInt(1, last);
+        ResultSet rs = statement.executeQuery();
+
+        List<HL7LogEntry> hl7entries = new ArrayList<>();
+        while (rs.next()) {
+            hl7entries.add(getHL7LogEntry(rs));
+        }
+        return hl7entries;
+    }
+
+    private static HL7LogEntry getHL7LogEntry(ResultSet rs) throws SQLException {
+        HL7LogEntry entry = new HL7LogEntry(rs.getInt("msgid"));
+        entry.setMessage(rs.getString("hl7msg"));
+        entry.setTimestamp(rs.getTimestamp("timestamp").toLocalDateTime());
+        entry.setSource(rs.getString("source"));
+        return entry;
+    }
 }