feedreader change. passing searchTerms= empty in config file returns …

…fulll documents from the provided feed

README.md

@@ -105,16 +105,15 @@ To install the module in the local maven repository, usually located in ~/.m2/,
 mvn clean install
 ````
 
-7. USING MSM
+USING MSM
 =========================
 
 
-MSM Funcionalities
-==========================
-MSM provides 3 main funcionalities:
+MSM provides 6 main funcionalities:
    - **twitter**: Twitter Public stream crawling.
    - **feed**: Syndication feed crawling (RSS, Atom, ...). Feed types supported by ROME tools (http://rometools.github.io/rome/)  
-   - **influence**: looks for the influence of a given list of sources. Klout index for twitter users and PageRank for websites.
+   - **influence**: looks for the influence of a given list of sources. Klout index for twitter users and PageRank for websites. As of May 2018 Klout index is no longer available. 
+
    - **twtUser**: asks Twitter for the user profiles of a given list of Twitter users and return their follower and friend information.
    - **langid**: Language detection for sentences. Used mainly to evaluate langid and optimaize.
    - **geocode**: Geocoding wrapper for several geocoding APIs (access keys needed for some of them). Given a string it returns its geolocation coordinates.

src/main/java/elh/eus/MSM/CLI.java

@@ -291,9 +291,16 @@ public final void feedReader()
 					String kwrds = params.getProperty("searchTerms", "none");
 					if (!kwrds.equalsIgnoreCase("none"))
 					{
-						List<String> terms = Arrays.asList(params.getProperty("searchTerms").split(","));	
-						kwrdList = Keyword.createFromList(terms,Arrays.asList(params.getProperty("langs", "all").split(",")));
-						System.err.println("MSM::TwitterStreamClient - retrieved "+kwrdList+" keywords from config file");
+						if (!kwrds.equalsIgnoreCase(""))
+						{
+							List<String> terms = Arrays.asList(params.getProperty("searchTerms").split(","));	
+							kwrdList = Keyword.createFromList(terms,Arrays.asList(params.getProperty("langs", "all").split(",")));
+
+							System.err.println("MSM::FeedReader - retrieved "+kwrdList.size()+" keywords from config file");
+						}
+						else{
+							System.err.println("MSM::FeedReader - no keywords given , full articles will be returned");
+						}
 					}
 					// if no keyword is found in config file try to load them from the database as a last resort.
 					else{

src/main/java/elh/eus/MSM/Keyword.java

@@ -255,8 +255,12 @@ public static List<Keyword> getAnchors (List<Keyword> kwrds)
 	public static Set<Keyword> createFromList(List<String> keyList, List<String> langs) 
 	{
 		Set<Keyword> result = new HashSet<Keyword>(); 
+		if (keyList.isEmpty()) {
+			return result;
+		}
 		for (String key : keyList)
 		{
+			//System.err.println("creating kword list: "+ key);
 			for (String l: langs)
 			{
 				Keyword k = new Keyword(key,l,false,false,true,key);