package org.apache.turbine.util;


/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import java.util.HashMap;
import java.util.Map;

/**
 * A class used for initialization of Turbine without a servlet container.
 *
 * <p>
 * If you need to use Turbine outside of a servlet container, you can
 * use this class for initialization of the Turbine servlet.
 * </p>
 *
 * <pre>
 * TurbineXmlConfig config = new TurbineXmlConfig(".", "conf/TurbineResources.properties");
 * </pre>
 *
 * <p>
 * All paths referenced in TurbineResources.properties and the path to
 * the properties file itself (the second argument) will be resolved
 * relative to the directory given as the first argument of the constructor,
 * here - the directory where application was started. Don't worry about
 * discarding the references to objects created above. They are not needed,
 * once everything is initialized.
 * </p>
 *
 * <p>
 * In order to initialize the Services Framework outside of the Turbine Servlet,
 * you need to call the <code>init()</code> method. By default, this will
 * initialize the Resource and Logging Services and any other services you
 * have defined in your TurbineResources.properties file.
 * </p>
 *
 * TODO Make this class enforce the lifecycle contracts
 *
 * @author <a href="mailto:epugh@upstate.com">Eric Pugh</a>
 * @version $Id$
 */
public class TurbineXmlConfig
        extends TurbineConfig
{
    /**
     * Constructs a new TurbineXmlConfig.
     *
     * This is the general form of the constructor. You can provide
     * a path to search for files, and a name-value map of init
     * parameters.
     *
     * <p> For the list of recognized init parameters, see
     * {@link org.apache.turbine.Turbine} class.
     *
     * @param path The web application root (i.e. the path for file lookup).
     * @param attributes Servlet container (or emulator) attributes.
     * @param initParams initialization parameters.
     */
    public TurbineXmlConfig(String path, Map<String, Object> attributes,
            Map<String, String> initParams)
    {
        super(path, attributes, initParams);
    }

    /**
     * Constructs a new TurbineXmlConfig.
     *
     * This is the general form of the constructor. You can provide
     * a path to search for files, and a name-value map of init
     * parameters.
     *
     * <p> For the list of recognized init parameters, see
     * {@link org.apache.turbine.Turbine} class.
     *
     * @param path The web application root (i.e. the path for file lookup).
     * @param initParams initialization parameters.
     */
    public TurbineXmlConfig(String path, Map<String, String> initParams)
    {
        this(path, new HashMap<String, Object>(0), initParams);
    }

    /**
     * Constructs a TurbineXmlConfig.
     *
     * This is a specialized constructor that allows to configure
     * Turbine easily in the common setups.
     *
     * @param path The web application root (i.e. the path for file lookup).
     * @param config the relative path to TurbineResources.xml file
     */
    public TurbineXmlConfig(String path, String config)
    {
        this(path, new HashMap<String, String>(1));
        initParams.put(CONFIGURATION_PATH_KEY, config);
    }
}
