added version reader

diylc/diylc-core/src/org/diylc/utils/VersionReader.java

@@ -0,0 +1,34 @@
+package org.diylc.utils;
+
+import java.io.BufferedInputStream;
+import java.net.URL;
+import java.util.List;
+
+import org.diylc.appframework.update.Change;
+import org.diylc.appframework.update.Version;
+import org.diylc.presenter.Presenter;
+
+import com.thoughtworks.xstream.XStream;
+import com.thoughtworks.xstream.io.xml.DomDriver;
+
+public class VersionReader {
+  public static void main(String[] args) {
+    try {
+      URL resource = Presenter.class.getResource("update.xml");
+      if (resource != null) {
+        BufferedInputStream in = new BufferedInputStream(resource.openStream());
+        XStream xStream = new XStream(new DomDriver());
+        @SuppressWarnings("unchecked")
+        List<Version> allVersions = (List<Version>) xStream.fromXML(in);
+        Version latest = allVersions.get(allVersions.size() - 1);
+        StringBuilder sb = new StringBuilder();
+        for (Change c : latest.getChanges())
+          sb.append("**[" + c.getChangeType() + "]** " + c.getDescription()).append("\n");
+        System.out.println(sb.toString());
+        in.close();
+      }
+    } catch (Exception e) {
+      System.out.println("Error: " + e.getMessage());
+    }
+  }
+}