small change of the API in LinkedDataFragmentRequest: getPageNumber does not throw UnsupportedOperationException anymore

Author: Olaf Hartig

src/org/linkeddatafragments/datasource/AbstractJenaBasedRequestProcessorForTriplePatterns.java

@@ -28,11 +28,9 @@ public interface LinkedDataFragmentRequest
     boolean isPageRequest();
 
     /**
-     * Returns the number of the page requested for the LDF, if any (thatis,
-     * if {@link #isPageOnly()} returns true).
-     *
-     * @throws UnsupportedOperationException
-     *         If the request is not for a specific page. 
+     * Returns the number of the page requested for the LDF; if this is not a
+     * page-based request (that is, if {@link #isPageRequest()} returns true),
+     * then this method returns 1. 
      */
-    long getPageNumber() throws UnsupportedOperationException;
+    long getPageNumber();
 }

src/org/linkeddatafragments/fragments/LinkedDataFragmentRequest.java

@@ -21,7 +21,7 @@ public LinkedDataFragmentRequestBase( final String fragmentURL,
         this.fragmentURL = fragmentURL;
         this.datasetURL = datasetURL;
         this.pageNumberWasRequested = pageNumberWasRequested;
-        this.pageNumber = pageNumber;
+        this.pageNumber = (pageNumberWasRequested) ? pageNumber : 1L;
     }
 
     @Override
@@ -40,11 +40,8 @@ public boolean isPageRequest() {
     }
 
     @Override
-    public long getPageNumber() throws UnsupportedOperationException {
-        if ( pageNumberWasRequested )
-            return pageNumber;
-        else
-            throw new UnsupportedOperationException();
+    public long getPageNumber() {
+        return pageNumber;
     }
 
     @Override