Togglz.java

package org.togglz.core;

import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Properties;

import org.togglz.core.util.Strings;

public class Togglz {

    /**
     * Returns <code>Togglz</code> followed by the version if available
     */
    public static String getNameWithVersion() {
        String version = getVersion();
        return version != null ? "Togglz " + version : "Togglz";
    }

    /**
     * The version of Togglz or <code>null</code> if it cannot be identified
     */
    public static String getVersion() {

        ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
        if (classLoader == null) {
            classLoader = Togglz.class.getClassLoader();
        }

        URL url = classLoader.getResource("META-INF/maven/org.togglz/togglz-core/pom.properties");
        if (url != null) {

            InputStream stream = null;
            try {

                stream = url.openStream();

                Properties props = new Properties();
                props.load(stream);

                return Strings.trimToNull(props.getProperty("version"));

            } catch (IOException e) {
                // ignore
            } finally {
                if (stream != null) {
                    try {
                        stream.close();
                    } catch (IOException e) {
                        // ignore
                    }
                }
            }

        }
        return null;

    }

}