initial

src/main/java/biz/redsoft/sample/Product.java

@@ -0,0 +1,26 @@
+package biz.redsoft.sample;
+
+import biz.redsoft.ncore.system.application.Application;
+
+import java.util.Map;
+
+/**
+ * @author Victor Bellavin
+ */
+public class Product implements biz.redsoft.ncore.product.Product {
+    @Override
+    public void init(Map<Object, Object> properties) {
+    }
+
+    @Override
+    public void init(Application application) {
+    }
+
+    @Override
+    public void destroy(Application application) {
+    }
+
+    @Override
+    public void destroy() {
+    }
+}

src/main/java/biz/redsoft/sample/Version.java

@@ -0,0 +1,68 @@
+package biz.redsoft.sample;
+
+import biz.redsoft.util.IncorrectVersionFormat;
+import biz.redsoft.util.VersionUtils;
+import org.apache.log4j.Logger;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Properties;
+
+/**
+ * @author Victor Bellavin
+ */
+public class Version {
+    public static final Logger LOGGER = Logger.getLogger(Version.class);
+
+    public static final String VERSION_FILE = "version.properties";
+    public static final String VERSION_PROP_NAME = "version";
+
+    private static final VersionUtils.Version version = readVersion();
+
+    public static VersionUtils.Version getInstance() {
+        return getVersion();
+    }
+
+    public static VersionUtils.Version getVersion() {
+        return version;
+    }
+
+    private static VersionUtils.Version readVersion() {
+        final VersionUtils.Version version = new VersionUtils.Version();
+        final String packageName = Version.class.getPackage().getName();
+        final ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
+        final String versionPath = "META-INF/ncore-product/" + packageName + "/" + VERSION_FILE;
+        final InputStream is = classLoader.getResourceAsStream(versionPath);
+        if (is != null) {
+            loadVersion(version, is);
+        } else {
+            LOGGER.warn("No version resource at " + versionPath + " Trying to load it from the main package...");
+            final InputStream oldStream = Version.class.getResourceAsStream(VERSION_FILE);
+            if (oldStream != null)
+                loadVersion(version, oldStream);
+            else
+                LOGGER.error("No version resource in classpath");
+        }
+        return version;
+    }
+
+    private static void loadVersion(VersionUtils.Version version, InputStream is) {
+        try {
+            try {
+                final Properties props = new Properties();
+                props.load(is);
+                final String moduleVersion = props.getProperty(VERSION_PROP_NAME);
+                if (moduleVersion != null)
+                    version.setVersion(moduleVersion);
+                else
+                    LOGGER.error("No module.version key in version properties");
+            } catch (IncorrectVersionFormat e) {
+                LOGGER.error("Error reading version", e);
+            } finally {
+                is.close();
+            }
+        }catch (IOException e) {
+            LOGGER.error("Error reading version", e);
+        }
+    }
+}