DATADOC-17 - Added support for 'Like' keyword in finders.

spring-data-mongodb/src/main/java/org/springframework/data/document/mongodb/repository/MongoQueryCreator.java

@@ -15,6 +15,8 @@
  */
 package org.springframework.data.document.mongodb.repository;
 
+import java.util.regex.Pattern;
+
 import org.springframework.data.domain.Sort;
 import org.springframework.data.repository.query.SimpleParameterAccessor;
 import org.springframework.data.repository.query.SimpleParameterAccessor.BindableParameterIterator;
@@ -131,6 +133,9 @@ class MongoQueryCreator extends AbstractQueryCreator<DBObject, QueryBuilder> {
             return criteria.notEquals(null);
         case IS_NULL:
             return criteria.is(null);
+        case LIKE:
+            String value = parameters.next().toString();
+            return criteria.regex(toLikeRegex(value));
         case SIMPLE_PROPERTY:
             return criteria.is(parameters.next());
         case NEGATING_SIMPLE_PROPERTY:
@@ -139,4 +144,11 @@ class MongoQueryCreator extends AbstractQueryCreator<DBObject, QueryBuilder> {
 
         throw new IllegalArgumentException("Unsupported keyword!");
     }
+
+
+    private Pattern toLikeRegex(String source) {
+
+        String regex = source.replaceAll("\\*", ".*");
+        return Pattern.compile(regex);
+    }
 }

spring-data-mongodb/src/main/java/org/springframework/data/document/mongodb/repository/SimpleMongoRepository.java

@@ -20,6 +20,10 @@ import java.util.ArrayList;
 import java.util.List;
 
 import org.springframework.data.document.mongodb.MongoTemplate;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.domain.Sort;
+import org.springframework.data.repository.PagingAndSortingRepository;
 import org.springframework.data.repository.support.IsNewAware;
 import org.springframework.data.repository.support.RepositorySupport;
 import org.springframework.util.Assert;
@@ -33,7 +37,7 @@ import com.mongodb.QueryBuilder;
  * @author Oliver Gierke
  */
 public class SimpleMongoRepository<T, ID extends Serializable> extends
-        RepositorySupport<T, ID> {
+        RepositorySupport<T, ID> implements PagingAndSortingRepository<T, ID> {
 
     private final MongoTemplate template;
     private MongoEntityInformation entityInformation;
@@ -176,6 +180,34 @@ public class SimpleMongoRepository<T, ID extends Serializable> extends
     }
 
 
+    /*
+     * (non-Javadoc)
+     * 
+     * @see
+     * org.springframework.data.repository.PagingAndSortingRepository#findAll
+     * (org.springframework.data.domain.Pageable)
+     */
+    public Page<T> findAll(Pageable pageable) {
+
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see
+     * org.springframework.data.repository.PagingAndSortingRepository#findAll
+     * (org.springframework.data.domain.Sort)
+     */
+    public List<T> findAll(Sort sort) {
+
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+
     /*
      * (non-Javadoc)
      * 

spring-data-mongodb/src/test/java/org/springframework/data/document/mongodb/repository/PersonRepository.java

@@ -26,4 +26,7 @@ import java.util.List;
 public interface PersonRepository extends MongoRepository<Person, Long> {
 
     List<Person> findByLastname(String lastname);
+
+
+    List<Person> findByFirstnameLike(String firstname);
 }

spring-data-mongodb/src/test/java/org/springframework/data/document/mongodb/repository/PersonRepositoryIntegrationTests.java

@@ -53,5 +53,9 @@ public class PersonRepositoryIntegrationTests {
         List<Person> result = repository.findByLastname("Gierke");
         assertThat(result.size(), is(1));
         assertThat(result, hasItem(person));
+
+        result = repository.findByFirstnameLike("Oli*");
+        assertThat(result.size(), is(1));
+        assertThat(result, hasItem(person));
     }
 }