FaktotumProductHandler.java

/**
 * This file is part of Faktotum.
 *
 *
 *  Faktotum is free software: you can redistribute it and/or 
 *  modify it under the terms of the GNU Lesser General Public License 
 *  as published by the Free Software Foundation, either version 3 of 
 *  the License, or (at your option) any later version.
 *
 *  Faktotum 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 Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public 
 *  License along with Faktotum.  
 *
 *  If not, see <http://www.gnu.org/licenses/>.
 */
package de.romankreisel.faktotum.handlers;

import java.util.Date;

import javax.ejb.EJB;
import javax.faces.bean.ApplicationScoped;
import javax.faces.bean.ManagedBean;

import de.romankreisel.faktotum.beans.FaktotumProductBean;

/**
 * @author Roman Kreisel <mail@romankreisel.de>
 * 
 *         This Handler provides information about the Faktotum product and the
 *         environment it's running on
 */
@ManagedBean
@ApplicationScoped
public class FaktotumProductHandler extends FaktotumHandler {
	/**
	 * 
	 */
	private static final long serialVersionUID = 7380050708648987527L;
	@EJB
	FaktotumProductBean faktotumBean;

	/**
	 * @return the build date
	 */
	public Date getBuildDate() {
		return this.faktotumBean.getBuildDate();
	}

	/**
	 * @return the maximum memory available to the JVM
	 */
	public long getMaximumMemory() {
		return Runtime.getRuntime().maxMemory();
	}

	/**
	 * @return the configured product name
	 */
	public String getProductName() {
		return this.faktotumBean.getProductName();
	}

	/**
	 * @return The time this Faktotum-instance was started
	 */
	public Date getStartTime() {
		return this.faktotumBean.getStartTime();
	}

	public String getSystemProperty(String propertyName) {
		return System.getProperty(propertyName);
	}

	/**
	 * @return the memory used by the JVM
	 */
	public long getUsedMemory() {
		return Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory();
	}

	/**
	 * @return the version number of faktotum
	 */
	public String getVersion() {
		return this.faktotumBean.getVersion();
	}

}