Logback: the reliable, generic, fast and flexible logging framework.
Copyright (C) 1999-2015, QOS.ch. All rights reserved.
This program and the accompanying materials are dual-licensed under
either the terms of the Eclipse Public License v1.0 as published by
the Eclipse Foundation
  or (per the licensee's choosing)
under the terms of the GNU Lesser General Public License version 2.1
as published by the Free Software Foundation.
/**
 * Logback: the reliable, generic, fast and flexible logging framework.
 * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
 *
 * This program and the accompanying materials are dual-licensed under
 * either the terms of the Eclipse Public License v1.0 as published by
 * the Eclipse Foundation
 *
 *   or (per the licensee's choosing)
 *
 * under the terms of the GNU Lesser General Public License version 2.1
 * as published by the Free Software Foundation.
 */
package ch.qos.logback.core.db;

import javax.naming.Context;
import javax.naming.InitialContext;
import javax.sql.DataSource;

import org.xml.sax.Attributes;

import ch.qos.logback.core.joran.action.Action;
import ch.qos.logback.core.joran.spi.InterpretationContext;
import ch.qos.logback.core.joran.util.PropertySetter;
import ch.qos.logback.core.joran.util.beans.BeanDescriptionCache;
import ch.qos.logback.core.util.OptionHelper;

Author:
Ceki Gulcu/**
 *
 * @author Ceki Gulcu
 *
 */
public class BindDataSourceToJNDIAction extends Action {

    static final String DATA_SOURCE_CLASS = "dataSourceClass";
    static final String URL = "url";
    static final String USER = "user";
    static final String PASSWORD = "password";
	private final BeanDescriptionCache beanDescriptionCache;

    public BindDataSourceToJNDIAction(BeanDescriptionCache beanDescriptionCache) {
		this.beanDescriptionCache = beanDescriptionCache;
	}

	
Instantiates an a data source and bind it to JNDI
Most of the required parameters are placed in the ec.substitutionProperties
/**
     * Instantiates an a data source and bind it to JNDI
     * Most of the required parameters are placed in the ec.substitutionProperties
     */
    public void begin(InterpretationContext ec, String localName, Attributes attributes) {
        String dsClassName = ec.getProperty(DATA_SOURCE_CLASS);

        if (OptionHelper.isEmpty(dsClassName)) {
            addWarn("dsClassName is a required parameter");
            ec.addError("dsClassName is a required parameter");

            return;
        }

        String urlStr = ec.getProperty(URL);
        String userStr = ec.getProperty(USER);
        String passwordStr = ec.getProperty(PASSWORD);

        try {
            DataSource ds = (DataSource) OptionHelper.instantiateByClassName(dsClassName, DataSource.class, context);

            PropertySetter setter = new PropertySetter(beanDescriptionCache,ds);
            setter.setContext(context);

            if (!OptionHelper.isEmpty(urlStr)) {
                setter.setProperty("url", urlStr);
            }

            if (!OptionHelper.isEmpty(userStr)) {
                setter.setProperty("user", userStr);
            }

            if (!OptionHelper.isEmpty(passwordStr)) {
                setter.setProperty("password", passwordStr);
            }

            Context ctx = new InitialContext();
            ctx.rebind("dataSource", ds);
        } catch (Exception oops) {
            addError("Could not bind  datasource. Reported error follows.", oops);
            ec.addError("Could not not bind  datasource of type [" + dsClassName + "].");
        }
    }

    public void end(InterpretationContext ec, String name) {
    }
}