directoryprovider.java

OpenReports是一个完整的基于Web的报表方案

/*
 * Copyright (C) 2003 Erik Swenson - [e-mail]
 * 
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option)
 * any later version.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
 * Place - Suite 330, Boston, MA 02111-1307, USA.
 *  
 */

package org.efs.openreports.providers;

import com.opensymphony.webwork.ServletActionContext;
import com.opensymphony.xwork.ActionContext;
import com.opensymphony.xwork.interceptor.component.ComponentManager;

import org.apache.log4j.Logger;

public class DirectoryProvider implements PropertiesProviderAware
{
	protected static Logger log =
		Logger.getLogger(DirectoryProvider.class.getName());

	private String reportDirectory;
	private String reportImageDirectory;

	private PropertiesProvider propertiesProvider;

	public DirectoryProvider()
	{
		String baseDirectory = null;

		try
		{
			baseDirectory =
				ServletActionContext.getServletContext().getRealPath("");
		}
		catch(NullPointerException npe)
		{
			log.warn("ServletActionContext not available.");
		}
		
		if (baseDirectory == null)
		{
			// try getting baseDirectory from properties
			ComponentManager container =
				(ComponentManager) ActionContext.getContext().get(
					"com.opensymphony.xwork.interceptor.component.ComponentManager");

			container.initializeObject(this);
			
			log.warn("Loading BaseDirectory from properties file.");

			baseDirectory = propertiesProvider.getProperty("baseDirectory");
		}

		log.info("BaseDirectory: " + baseDirectory);

		String separator = System.getProperty("file.separator");

		reportDirectory = baseDirectory + separator + "reports" + separator;

		reportImageDirectory =
			reportDirectory + separator + "images" + separator;

		log.info("Created");
	}

	public String getReportDirectory()
	{
		return reportDirectory;
	}

	public String getReportImageDirectory()
	{
		return reportImageDirectory;
	}

	public void setPropertiesProvider(PropertiesProvider propertiesProvider)
	{
		this.propertiesProvider = propertiesProvider;
	}

}