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package com.lwf.eus.util;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.sql.DataSource;
public class ConnectionManager {
public static Connection getConnection(){
Connection conn = null;
String url = "jdbc:postgresql://192.168.0.180/getseus";
String userName = "getsdbadmin";
String pwd = "powerdb";
try {
Class.forName("org.postgresql.Driver").newInstance();
conn = DriverManager.getConnection(url,userName,pwd);
} catch (SQLException e) {
e.printStackTrace();
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (InstantiationException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (Exception e){
e.printStackTrace();
}
return conn;
}
public static Connection getConnectionFromDS(){
Connection conn = null;
Context ctx = null;
try {
ctx = new InitialContext();
DataSource ds = (DataSource)ctx.lookup("JNDIPG");
conn = ds.getConnection();
} catch (NamingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return conn;
}
public static Statement createStatement(Connection conn){
Statement st = null;
try {
st = conn.createStatement();
} catch (SQLException e) {
e.printStackTrace();
}
return st;
}
}
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