Add NullFragmenter

git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@332696 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -159,6 +159,10 @@ New features
     See Field.setOmitNorms()
     (Yonik Seeley, LUCENE-448)
 
+22. Added NullFragmenter to contrib/highlighter, which is useful for
+    highlighting entire documents or fields.
+    (Erik Hatcher)
+
 API Changes
 
  1. Several methods and fields have been deprecated. The API documentation

contrib/highlighter/src/java/org/apache/lucene/search/highlight/NullFragmenter.java

@@ -0,0 +1,31 @@
+package org.apache.lucene.search.highlight;
+/**
+ * Copyright 2005 The Apache Software Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import org.apache.lucene.analysis.Token;
+
+/**
+ * {@link Fragmenter} implementation which does not fragment the text.
+ * This is useful for highlighting the entire content of a document or field.
+ */
+public class NullFragmenter implements Fragmenter {
+  public void start(String s) {
+  }
+
+  public boolean isNewFragment(Token token) {
+    return false;
+  }
+}