/**
* 初始化连接池
*
* @param props
* @param show_sql
*/
private static final void initDataSource(Properties dbProperties) {
try {
if (dbProperties == null) {
dbProperties = new Properties();
dbProperties.load(DBManager.class.getResourceAsStream(CONFIG_PATH));
}
// Class.forName(dbProperties.getProperty("jdbc.driverClass"));
for (Object key : dbProperties.keySet()) {
String skey = (String) key;
if (skey.startsWith("jdbc.")) {
String name = skey.substring(5);
cp_props.put(name, dbProperties.getProperty(skey));
if ("show_sql".equalsIgnoreCase(name)) {
show_sql = "true".equalsIgnoreCase(dbProperties.getProperty(skey));
}
}
}
dataSource = (DataSource) Class.forName(cp_props.getProperty("datasource")).newInstance();
if (dataSource.getClass().getName().indexOf("c3p0") > 0) {
// Disable JMX in C3P0
System.setProperty(
"com.mchange.v2.c3p0.management.ManagementCoordinator",
"com.mchange.v2.c3p0.management.NullManagementCoordinator");
}
log.info("Using DataSource : " + dataSource.getClass().getName());
BeanUtils.populate(dataSource, cp_props);
Connection conn = getConnection();
DatabaseMetaData mdm = conn.getMetaData();
log.info(
"Connected to " + mdm.getDatabaseProductName() + " " + mdm.getDatabaseProductVersion());
closeConnection();
} catch (Exception e) {
e.printStackTrace();
throw new DBException(e);
}
}
/** Print all system property keys and values. */
public static void printSystemProperties() {
Properties p = System.getProperties();
for (Object key : p.keySet()) System.out.println(key + ": " + p.getProperty(key.toString()));
}