datasourceconfig.java

来自「JAVA Servlet2.3外文书籍源码」· Java 代码 · 共 38 行

package persistence.database;

import persistence.Config;
import javax.servlet.ServletContext;
import javax.sql.DataSource;

public abstract class DataSourceConfig extends Config {

  private static final String DATABASE_USER = "DatabaseUser";
  private static final String DATABASE_PASSWORD = "DatabasePassword";
  private static final String SERVER_NAME = "ServerName";
  private static final String DATABASE_NAME = "DatabaseName";
  private static final String SERVER_PORT = "ServerPort";

  protected DataSource ds;
  protected String databaseUser;
  protected String databasePassword;
  protected String serverName;
  protected String portNumber;
  protected String databaseName;


  public void init(ServletContext sctx, String xmlFile) throws Exception {

    super.init(sctx, xmlFile);

    // Read URI properties.
    databaseUser = getElementText(root, DATABASE_USER);
    databasePassword = getElementText(root, DATABASE_PASSWORD);
    databaseName = getElementText(root, DATABASE_NAME);
    serverName = getElementText(root, SERVER_NAME);
    portNumber = getElementText(root, SERVER_PORT);
  }

  public DataSource getDataSource() {
    return ds;
  }
}