1 files changed, 49 insertions, 0 deletions
diff --git a/java/com/google/gerrit/pgm/init/JDBCInitializer.java b/java/com/google/gerrit/pgm/init/JDBCInitializer.java
new file mode 100644
index 0000000000..e3a1d666a0
--- /dev/null
+++ b/java/com/google/gerrit/pgm/init/JDBCInitializer.java
@@ -0,0 +1,49 @@
+// Copyright (C) 2012 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.google.gerrit.pgm.init;
+
+import static com.google.gerrit.pgm.init.api.InitUtil.username;
+
+import com.google.common.base.Strings;
+import com.google.gerrit.pgm.init.api.Section;
+
+class JDBCInitializer implements DatabaseConfigInitializer {
+  @Override
+  public void initConfig(Section database) {
+    boolean hasUrl = Strings.emptyToNull(database.get("url")) != null;
+    database.string("URL", "url", null);
+    guessDriver(database);
+    database.string("Driver class name", "driver", null);
+    database.string("Database username", "username", hasUrl ? null : username());
+    database.password("username", "password");
+  }
+
+  private void guessDriver(Section database) {
+    String url = Strings.emptyToNull(database.get("url"));
+    if (url != null && Strings.isNullOrEmpty(database.get("driver"))) {
+      if (url.startsWith("jdbc:derby:")) {
+        database.set("driver", "org.apache.derby.jdbc.EmbeddedDriver");
+      } else if (url.startsWith("jdbc:h2:")) {
+        database.set("driver", "org.h2.Driver");
+      } else if (url.startsWith("jdbc:mariadb:")) {
+        database.set("driver", "org.mariadb.jdbc.Driver");
+      } else if (url.startsWith("jdbc:mysql:")) {
+        database.set("driver", "com.mysql.jdbc.Driver");
+      } else if (url.startsWith("jdbc:postgresql:")) {
+        database.set("driver", "org.postgresql.Driver");
+      }
+    }
+  }
+}