make the index String to String

core/src/main/groovy/com/muwire/core/files/SearchIndex.groovy

@@ -3,27 +3,26 @@ package com.muwire.core.files
 
 class SearchIndex {
 
-	final Map<String, Set<File>> keywords = new HashMap<>()
+	final Map<String, Set<String>> keywords = new HashMap<>()
 	
-	void add(File f) {
-		String name = f.getName()
-		name = name.replaceAll("\\."," ")
+	void add(String string) {
+		String name = string.replaceAll("\\."," ")
 		String [] split = name.split(" ")
 		split.each {
-			Set<File> existing = keywords.get(it)
+			Set<String> existing = keywords.get(it)
 			if (existing == null) {
 				existing = new HashSet<>()
 				keywords.put(it, existing)
 			}
-			existing.add(f)
+			existing.add(string)
 		}
 	}
 	
-	File[] search(List<String> terms) {
-		Set<File> rv = null;
+	String[] search(List<String> terms) {
+		Set<String> rv = null;
 		
 		terms.each {
-			Set<File> forWord = keywords.get it
+			Set<String> forWord = keywords.get it
 			if (rv == null) {
 				rv = forWord
 			} else {

core/src/test/groovy/com/muwire/core/files/SearchIndexTest.groovy

@@ -9,8 +9,7 @@ class SearchIndexTest {
 	private void initIndex(List<String> entries) {
 		index = new SearchIndex()
 		entries.each {
-			File f = new File(it)
-			index.add(f)
+			index.add(it)
 		}
 	}
 	
@@ -20,7 +19,7 @@ class SearchIndexTest {
 		
 		def found = index.search(["a"])
 		assert found.size() == 1
-		assert found.contains(new File("a b.c"))
+		assert found.contains("a b.c")
 	}
 	
 	@Test
@@ -29,8 +28,8 @@ class SearchIndexTest {
 		
 		def found = index.search(["c"])
 		assert found.size() == 2
-		assert found.contains(new File("a b.c"))
-		assert found.contains(new File("c d.e"))
+		assert found.contains("a b.c")
+		assert found.contains("c d.e")
 	}
 	
 	@Test
@@ -39,6 +38,6 @@ class SearchIndexTest {
 		
 		def found = index.search(["c", "e"])
 		assert found.size() == 1
-		assert found.contains(new File("c d.e"))
+		assert found.contains("c d.e")
 	}
 }