Added mod file date to the 'description missing' notice

src/main/java/net/vhati/modmanager/core/ModUtilities.java

@@ -709,6 +709,38 @@ public class ModUtilities {
 	}
 
 
+	/**
+	 * Returns the latest modification time among files within a mod.
+	 *
+	 * If no files have timestamps, -1 is returned.
+	 *
+	 * Presumably, this time is measured in milliseconds since the
+	 * epoch (00:00:00 GMT, January 1, 1970).
+	 *
+	 * @see java.util.zip.ZipEntry#getTime()
+	 */
+	public static long getModFileTime( File modFile ) throws IOException {
+		long result = -1;
+
+		ZipInputStream zis = null;
+		try {
+			zis = new ZipInputStream( new FileInputStream( modFile ) );
+			ZipEntry item;
+			while ( (item = zis.getNextEntry()) != null ) {
+				long n = item.getTime();
+				if ( n > result ) result = n;
+				zis.closeEntry();
+			}
+		}
+		finally {
+			try {if ( zis != null ) zis.close();}
+			catch ( IOException e ) {}
+		}
+
+		return result;
+	}
+
+
 
 	/**
 	 * A holder for results from decodeText().

src/main/java/net/vhati/modmanager/ui/ManagerFrame.java

@@ -21,6 +21,7 @@ import java.io.InputStreamReader;
 import java.io.IOException;
 import java.io.OutputStreamWriter;
 import java.nio.charset.Charset;
+import java.text.SimpleDateFormat;
 import java.util.Calendar;
 import java.util.Collections;
 import java.util.Date;
@@ -457,11 +458,29 @@ public class ManagerFrame extends JFrame implements ActionListener, HashObserver
 			infoArea.setDescription( modInfo.getTitle(), modInfo.getAuthor(), modInfo.getVersion(), modInfo.getURL(), modInfo.getDescription() );
 		}
 		else {
+			long epochTime = -1;
+			try {
+				epochTime = ModUtilities.getModFileTime( modFileInfo.getFile() );
+			} catch ( IOException e ) {
+				log.error( String.format( "Error while getting modified time of mod file contents for \"%s\".", modFileInfo.getFile() ), e );
+			}
+
 			String body = "";
 			body += "No info is available for the selected mod.\n\n";
-			body += "If it's stable, please let the Slipstream devs know ";
+
-			body += "where you found it and include this md5 hash:\n";
+			if ( epochTime != -1 ) {
-			body += modHash +"\n";
+				SimpleDateFormat dateFormat = new SimpleDateFormat( "yyyy/MM/dd" );
+				String dateString = dateFormat.format( new Date( epochTime ) );
+				body += "It was released sometime after "+ dateString +".\n\n";
+			} else {
+				body += "The date of its release could not be determined.\n\n";
+			}
+
+			body += "If it is stable and has been out for over a month,\n";
+			body += "please let the Slipstream devs know where you ";
+			body += "found it.\n";
+			body += "Include the mod's version, and this hash.\n";
+			body += "MD5: "+ modHash +"\n";
 			infoArea.setDescription( modFileInfo.getName(), body );
 		}
 	}