buildinfo.java

jbpm的demo,带有流程设计

/**
 * $Source: /home/ws/rz65/CVS-Repository/WorkflowProjects/JBPM-Demo/src/java/jbpmdemo/util/BuildInfo.java,v $
 * $Revision: 1.1 $
 * $Date: 2005/03/05 12:16:31 $
 * $Author: rz65 $
 *
 * Copyright (c) 2005 Universitaet Karlsruhe (TH) / Rechenzentrum (RZ-UNI-UKA)
 *
 * RZ-UNI-KA makes no representations or warranties about the suitability
 * of this software, either express or implied, including but not limited
 * to the implied warranties of merchantability, fitness for a particular
 * purpose, or non-infringement. RZ-UNI-KA shall not be liable for any
 * damages as a result of using, modifying or distributing this software
 * or its derivatives.
 */

package jbpmdemo.util;



import java.util.MissingResourceException;
import java.util.ResourceBundle;

import jbpmdemo.logging.LoggableObject;
import jbpmdemo.util.UtilConstants;

/**
 * This is a class that provides build information. The build information is
 * created on the fly when the software is compiled. It is stored as property
 * resource bundle file in the class path, e.g. the jar archive.
 * 
 * <p>
 * 
 * @version $Revision: 1.1 $
 * @author mailto:[e-mail]
 */

public class BuildInfo extends LoggableObject implements UtilConstants {

	/**
	 * Returns the singleton reference. The first call to this method will
	 * instantiate the singleton; the following call will return the result of
	 * the first call.
	 * 
	 * @return The singleton reference.
	 */
	public static BuildInfo getInstance() {
		if (singleton == null)
			new BuildInfo();
		return singleton;
	}

	// the singleton
	private static BuildInfo singleton = null;

	/**
	 * The private constructor. Because of the "private" attribute, clients
	 * cannot directly create instances of this class. This prevents any
	 * multiple creation of instances.
	 */
	private BuildInfo() {
		super();
		singleton = this;
		debug(MN_INIT, "singleton creation...");
		bundle = ResourceBundle.getBundle(getClass().getName());
		debug(MN_INIT, "got bundle: " + bundle);
		projectName = b2s("projectName");
		projectVersion = b2s("projectVersion");
		buildNumber = b2s("buildNumber");
		buildDate = b2s("buildDate");
		buildJavaVersion = b2s("buildJavaVersion");
		buildOSName = b2s("buildOSName");
		buildHost = b2s("buildHost");
		buildUser = b2s("buildUser");
	}

	private ResourceBundle bundle;

	private String b2s(String key) {
		String mn = "b2s";
		String result = "N/A";
		try {
			result = bundle.getString(key);
			debug(mn, "resource: " + key + " => " + result);
		} catch (MissingResourceException mre) {
			error(mn, "Unable to get resource for key " + key, mre);
		}
		return result;
	}

	private String projectName;

	/**
	 * Returns the project name of the Ant run that created this version of the
	 * program.
	 * 
	 * @return The project name.
	 */
	public String getProjectName() {
		String mn = "getProjectName";
		debug(mn, "result: " + projectName);
		return projectName;
	}

	private String projectVersion;

	/**
	 * Returns the project version of the Ant run that created this version of
	 * the program.
	 * 
	 * @return The project version.
	 */
	public String getProjectVersion() {
		String mn = "getProjectVersion";
		debug(mn, "result: " + projectVersion);
		return projectVersion;
	}

	private String buildNumber;

	/**
	 * Returns the build number of the Ant run that created this version of the
	 * program.
	 * 
	 * @return The build number.
	 */
	public String getBuildNumber() {
		String mn = "getBuildNumber";
		debug(mn, "result: " + buildNumber);
		return buildNumber;
	}

	private String buildDate;

	/**
	 * Returns the build date of the Ant run that created this version of the
	 * program.
	 * 
	 * @return The build date.
	 */
	public String getBuildDate() {
		String mn = "getBuildDate";
		debug(mn, "result: " + buildDate);
		return buildDate;
	}

	private String buildUser;

	/**
	 * Returns the build user of the Ant run that created this version of the
	 * program.
	 * 
	 * @return The build user.
	 */
	public String getBuildUser() {
		String mn = "getBuildUser";
		debug(mn, "result: " + buildUser);
		return buildUser;
	}

	private String buildHost;

	/**
	 * Returns the build host of the Ant run that created this version of the
	 * program.
	 * 
	 * @return The build host.
	 */
	public String getBuildHost() {
		String mn = "getBuildHost";
		debug(mn, "result: " + buildHost);
		return buildHost;
	}

	private String buildOSName;

	/**
	 * Returns the build operating system of the Ant run that created this
	 * version of the program.
	 * 
	 * @return The build OS name.
	 */
	public String getBuildOSName() {
		String mn = "getBuildOSName";
		debug(mn, "result: " + buildOSName);
		return buildOSName;
	}

	private String buildJavaVersion;

	/**
	 * Returns the build java version of the Ant run that created this version
	 * of the program.
	 * 
	 * @return The build java version.
	 */
	public String getBuildJavaVersion() {
		String mn = "getBuildJavaVersion";
		debug(mn, "result: " + buildJavaVersion);
		return buildJavaVersion;
	}
}