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= Updated core documentation quickly

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This commit is contained in:
Matthew Cech
2019-03-30 14:26:21 -07:00
parent a01c952d25
commit 3c5f168628
9 changed files with 27 additions and 32 deletions
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src/core/DatabaseDriver.java
+11 -13
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@@ -12,13 +12,13 @@ import utils.LogFilter;
// This is where we put everything and swap out the moving parts,
// ie MySQL, PostgreSQL, SQLite, etc...
//
// TODO(wisp): Right now this can be messed up with SQL injection stuff if users
// are allowed to directly touch data. Leaving it like this temporarily.
// Right now this can be messed up with SQL injection stuff if users
// are allowed to directly touch data. Leaving it like this temporarily,
// and is for prototyping only!
public class DatabaseDriver
{
// Config and local varaibles
private JDBCDriver driver;
// Note: Changing these values can mess up the database...
private final String globalTableName = "kitty_globals";
private final String globalKeyName = "GlobalKey";
private final String globalValueName = "GlobalValue";
@@ -28,6 +28,7 @@ public class DatabaseDriver
driver = null;
}
// Set up and create a table in the database
public boolean Connect()
{
driver = new JDBCDriverSQLite();
@@ -54,7 +55,7 @@ public class DatabaseDriver
}
}
// the key will be created if it doesn't exist, and the default value returned.
// Creates a key. The key will be created if it doesn't exist, and the default value returned.
public String CreateGetKey(String key)
{
GlobalLog.Log(LogFilter.Database, "CreateGeyKey: key-" + key);
@@ -71,41 +72,38 @@ public class DatabaseDriver
}
}
// Prototype formatting for key updating
private void UpdateKey(String key, String value)
{
//GlobalLog.Log(LogFilter.Database, "Update key " + key);
String command = "UPDATE " + globalTableName + " SET " + globalValueName + " = '" + value + "' WHERE " + globalKeyName + "= '" + key + "';";
//GlobalLog.Log(LogFilter.Database, "Composed command: " + command);
driver.ExecuteStatement(command);
}
// Protoype updating for seeing if a key exists
private boolean HasKey(String key)
{
//GlobalLog.Log(LogFilter.Database, "Has key " + key);
String command = "SELECT COUNT(1) as count FROM " + globalTableName + " WHERE " + globalKeyName + " = '" + key + "';";
//GlobalLog.Log(LogFilter.Database, "Composed command: " + command);
ResultSet set = driver.ExecuteReturningStatement(command);
String out = ResultAsString(set, "count");
return out.charAt(0) == '1';
}
// Prototype for getting a key
private String GetKey(String key)
{
//GlobalLog.Log(LogFilter.Database, "Getting key " + key);
String command = "SELECT " + globalValueName + " as searchedKey FROM " + globalTableName +" WHERE " + globalKeyName + "= \'" + key + "\';";
//GlobalLog.Log(LogFilter.Database, "Composed command: " + command);
ResultSet set = driver.ExecuteReturningStatement(command);
return ResultAsString(set, "searchedKey");
}
// Prototype for creating a key
private void CreateKey(String key, String value)
{
//GlobalLog.Log(LogFilter.Database, "Creating Key " + key);
String command = "INSERT INTO " + globalTableName + " (GlobalKey, GlobalValue) VALUES ('" + key + "', '" + value + "');";
//GlobalLog.Log(LogFilter.Database, "Composed command: " + command);
driver.ExecuteStatement(command);
}
// Transforms a result into a string if possible.
private String ResultAsString(ResultSet rs, String key)
{
if(rs == null)