Added basic support for jndi lookup of application server managed data

sources.

WebContent/conf/Spiracle.properties

@@ -11,6 +11,8 @@ java.password=test
 
 jdbc.fetchsize=25
 
+default.connection=jndi
+
 spring.path=/path/to/spring-context.xml
 
 application.loggingEnabled=True

src/com/waratek/spiracle/init/SpiracleInit.java

@@ -52,6 +52,7 @@ public void contextInitialized(ServletContextEvent arg0) {
 		logServerInfo(application);
 		ComboPooledDataSource ds = getConnectionPool(props);
 		setConnectionPool(application, ds);
+		setDefaultConnection(application, props);
 		setFetchSize(application, props);
 	}
 
@@ -128,6 +129,11 @@ private void setFetchSize(ServletContext application, Properties props) {
 		}
 	}
 
+	private void setDefaultConnection(ServletContext application, Properties props) {
+		String defaultConnection = (String) props.get("default.connection");
+		application.setAttribute("defaultConnection", defaultConnection);
+	}
+
 	void logServerInfo(ServletContext application) {
 		logger.info("Application Server Name: " + application.getServerInfo());
 		logger.info("Application Context Path:" + application.getRealPath(""));

src/com/waratek/spiracle/sql/jndi/CreateJndiConnectionPool.java

@@ -0,0 +1,30 @@
+package com.waratek.spiracle.sql.jndi;
+
+import javax.annotation.Resource;
+import javax.servlet.ServletContext;
+import javax.servlet.ServletContextEvent;
+import javax.servlet.ServletContextListener;
+import javax.servlet.annotation.WebListener;
+import javax.sql.DataSource;
+
+import org.apache.log4j.Logger;
+
+@WebListener
+public class CreateJndiConnectionPool implements ServletContextListener {
+	private static final Logger logger = Logger.getLogger(CreateJndiConnectionPool.class);
+
+	@Resource(name = "jdbc/oracle")
+	DataSource ds;
+
+	@Override
+	public void contextDestroyed(ServletContextEvent arg0) {
+
+	}
+
+	@Override
+	public void contextInitialized(ServletContextEvent arg0) {
+		ServletContext application = arg0.getServletContext();
+		application.setAttribute("jndiConnectionPool", ds);
+			logger.info("Added jndi connection pool " + ds + " to application context.");
+	}
+}

src/com/waratek/spiracle/sql/util/ConnectionUtil.java

@@ -19,6 +19,7 @@
 import java.sql.SQLException;
 
 import javax.servlet.ServletContext;
+import javax.sql.DataSource;
 
 import org.apache.log4j.Logger;
 import org.springframework.context.support.FileSystemXmlApplicationContext;
@@ -42,6 +43,9 @@ public static Connection getConnection(ServletContext application, String connec
 			FileSystemXmlApplicationContext context = (FileSystemXmlApplicationContext)application.getAttribute("springContext");
 			DriverManagerDataSource dmds = (DriverManagerDataSource)context.getBean("dataSource");
 			con = dmds.getConnection();
+		} else if(connectionType.equals("jndi")) {
+			DataSource ds = (DataSource) application.getAttribute("jndiConnectionPool");
+			con = ds.getConnection();
 		}
 
 		logger.info("Returning connection: " + con.toString());

src/com/waratek/spiracle/sql/util/SelectUtil.java

@@ -39,6 +39,7 @@ public static void executeQuery(String sql, ServletContext application, HttpServ
 		String connectionType = null;
 		Connection con = null;
 		int fetchSize = (Integer) application.getAttribute("fetchSize");
+		String defaultConnection = (String) application.getAttribute("defaultConnection");
 
 		PreparedStatement stmt = null;
 		ResultSet rs = null;
@@ -50,7 +51,7 @@ public static void executeQuery(String sql, ServletContext application, HttpServ
 		try {
 			//Checking if connectionType is set, defaulting it to c3p0 if not set.
 			if(request.getParameter("connectionType") == null) {
-				connectionType = "c3p0";
+				connectionType = defaultConnection;
 			} else {
 				connectionType = request.getParameter("connectionType");
 			}