From 49104de56b35950b4de7570eb8574613da38fed7 Mon Sep 17 00:00:00 2001
From: christophstrobl <j73x73r@gmail.com>
Date: Thu, 2 Jan 2014 13:46:25 +0100
Subject: [PATCH] STEP-4 - Use Highlight Annotation to mark keywords

Using Highlight annotation to accentuate search input in result
documents. Highlighting options can be configured via various annotation
attribtes. By default all document fields will be target for
highlighting.
---
 .../data/solr/showcase/product/ProductRepository.java       | 6 ++++--
 src/main/webapp/WEB-INF/views/search.jsp                    | 4 ++++
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/main/java/org/springframework/data/solr/showcase/product/ProductRepository.java b/src/main/java/org/springframework/data/solr/showcase/product/ProductRepository.java
index 14e8708..d91e1da 100644
--- a/src/main/java/org/springframework/data/solr/showcase/product/ProductRepository.java
+++ b/src/main/java/org/springframework/data/solr/showcase/product/ProductRepository.java
@@ -17,11 +17,12 @@
 
 import java.util.Collection;
 
-import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.solr.core.query.Query.Operator;
 import org.springframework.data.solr.core.query.result.FacetPage;
+import org.springframework.data.solr.core.query.result.HighlightPage;
 import org.springframework.data.solr.repository.Facet;
+import org.springframework.data.solr.repository.Highlight;
 import org.springframework.data.solr.repository.Query;
 import org.springframework.data.solr.repository.SolrCrudRepository;
 import org.springframework.data.solr.showcase.product.model.Product;
@@ -31,10 +32,11 @@
  */
 interface ProductRepository extends SolrCrudRepository<Product, String> {
 
+	@Highlight(prefix = "<b>", postfix = "</b>")
 	@Query(fields = { SearchableProductDefinition.ID_FIELD_NAME, SearchableProductDefinition.NAME_FIELD_NAME,
 			SearchableProductDefinition.PRICE_FIELD_NAME, SearchableProductDefinition.FEATURES_FIELD_NAME,
 			SearchableProductDefinition.AVAILABLE_FIELD_NAME }, defaultOperator = Operator.AND)
-	Page<Product> findByNameIn(Collection<String> names, Pageable page);
+	HighlightPage<Product> findByNameIn(Collection<String> names, Pageable page);
 
 	@Facet(fields = { SearchableProductDefinition.NAME_FIELD_NAME })
 	FacetPage<Product> findByNameStartsWith(Collection<String> nameFragments, Pageable pagebale);
diff --git a/src/main/webapp/WEB-INF/views/search.jsp b/src/main/webapp/WEB-INF/views/search.jsp
index 3bf35e3..8bdaa6c 100644
--- a/src/main/webapp/WEB-INF/views/search.jsp
+++ b/src/main/webapp/WEB-INF/views/search.jsp
@@ -34,6 +34,10 @@
 					<c:if test="${fn:length(item.features) > 0}">${item.features[0]} <br /></c:if>
 					<c:if test="${item.price != null}">Price: <fmt:formatNumber value="${item.price}" type="currency"/><br /></c:if>
 					Available: ${item.available?"yes":"no"}<br />
+					<br />
+					<c:forEach var="highlight" items="${page.getHighlights(item) }" varStatus="highlightStatus">
+					${highlight.getSnipplets()}
+					</c:forEach>
 				</div>
 			</c:forEach>
 			<br />