#919 - io.ebean package initial

src/test/java/org/tests/timezone/TimezoneTests.java

@@ -0,0 +1,100 @@
+package org.tests.timezone;
+
+import io.ebean.Ebean;
+import io.ebean.Transaction;
+import org.junit.Ignore;
+import org.junit.Test;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Timestamp;
+import java.util.Calendar;
+import java.util.TimeZone;
+
+/**
+ * Must run this manually with various JVM timezones for insert and fetch.
+ */
+public class TimezoneTests {
+
+  private final Timestamp nowTs = new Timestamp(1460000000000L);
+
+  public TimezoneTests() {
+  }
+
+  @Ignore
+  @Test
+  public void rawJdbc() throws SQLException {
+
+//    insert("Local");
+//    insert("UTC");
+//    insert("America/Los_Angeles");
+
+//    System.out.println("Local");
+//    fetch();
+
+//    System.out.println("UTC");
+//    setZone("UTC");
+//    fetch();
+
+    System.out.println("LA");
+    setZone("America/Los_Angeles");
+    fetch();
+  }
+
+  private void fetch() throws SQLException {
+    Transaction transaction = Ebean.beginTransaction();
+    Connection connection = transaction.getConnection();
+
+    PreparedStatement statement = connection.prepareStatement("select * from tztest");
+    ResultSet resultSet = statement.executeQuery();
+    while (resultSet.next()) {
+      System.out.println(" zone:" + resultSet.getString("zone"));
+      System.out.println("   ts:" + tsof(resultSet.getTimestamp("ts")));
+      System.out.println(" tstz:" + tsof(resultSet.getTimestamp("tstz")));
+      System.out.println("  ts1:" + tsof(resultSet.getTimestamp("ts1", cal())));
+      System.out.println("tstz1:" + tsof(resultSet.getTimestamp("tstz1", cal())));
+    }
+    System.out.println("");
+    resultSet.close();
+    statement.close();
+    transaction.end();
+  }
+
+  private String tsof(Timestamp timestamp) {
+    return "" + timestamp.getTime() + ", " + timestamp.toString() + ", " + timestamp.toInstant();
+  }
+
+  private void setZone(String zone) {
+    TimeZone.setDefault(TimeZone.getTimeZone(zone));
+  }
+
+  private void insert(String zone) throws SQLException {
+
+    String insert = "insert into tztest (zone, ts, tstz, ts1, tstz1) values (?,?,?,?,?)";
+
+    if (!zone.equalsIgnoreCase("local")) {
+      setZone(zone);
+    }
+
+    Transaction transaction = Ebean.beginTransaction();
+    Connection connection = transaction.getConnection();
+    PreparedStatement statement = connection.prepareStatement(insert);
+    statement.setString(1, zone);
+    statement.setTimestamp(2, nowTs);
+    statement.setTimestamp(3, nowTs);
+    statement.setTimestamp(4, nowTs, cal());
+    statement.setTimestamp(5, nowTs, cal());
+    statement.executeUpdate();
+
+    transaction.commit();
+  }
+
+  private Calendar cal() {
+
+    Calendar instance = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
+    //Calendar instance = Calendar.getInstance(TimeZone.getDefault());
+    return (Calendar) instance.clone();
+  }
+}