extract author and keywords in .doc and .ppt parser

source/net/yacy/document/parser/docParser.java

@@ -86,6 +86,14 @@ public class docParser extends AbstractParser implements Parser {
             if (title.length() == l) break;
             l = title.length();
         }
+        // get keywords (for yacy as array)
+        final String keywords = extractor.getSummaryInformation().getKeywords();
+        final String[] keywlist;
+        if (keywords != null && !keywords.isEmpty()) {
+            keywlist = keywords.split(",");
+        } else {
+            keywlist = null;
+        }
 
         Document[] docs;
         docs = new Document[]{new Document(
@@ -94,9 +102,9 @@ public class docParser extends AbstractParser implements Parser {
                   "UTF-8",
                   this,
                   null,
-                  null,
+                  keywlist,
                   singleList(title),
-                  "", // TODO: AUTHOR
+                  extractor.getSummaryInformation().getAuthor(), // constuctor can handle null
                   extractor.getDocSummaryInformation().getCompany(), // publisher
                   null,
                   null,

source/net/yacy/document/parser/pptParser.java

@@ -78,6 +78,12 @@ public class pptParser extends AbstractParser implements Parser {
                 if (title.length() == l) break;
                 l = title.length();
             }
+            // get keywords (for yacy as array)
+            final String keywords = pptExtractor.getSummaryInformation().getKeywords();
+            final String[] keywlist;
+            if (keywords != null && !keywords.isEmpty()) {
+               keywlist = keywords.split(",");
+            } else keywlist = null;
 
             /*
              * create the plasmaParserDocument for the database
@@ -89,9 +95,9 @@ public class pptParser extends AbstractParser implements Parser {
                     "UTF-8",
                     this,
                     null,
-                    null,
+                    keywlist,
                     singleList(title),
-                    "", // TODO: AUTHOR
+                    pptExtractor.getSummaryInformation().getAuthor(), // may be null
                     pptExtractor.getDocSummaryInformation().getCompany(),
                     null,
                     null,