DATADOC-69 - Repository namespace now allows referenceing a MappingContext and picks up the default one if available.

spring-data-mongodb/src/main/java/org/springframework/data/document/mongodb/config/MongoMappingConverterParser.java

@@ -44,14 +44,15 @@ import org.w3c.dom.Element;
  */
 public class MongoMappingConverterParser extends AbstractBeanDefinitionParser {
 
-  private static final String MAPPING_CONTEXT = "mappingContext";
+  static final String MAPPING_CONTEXT = "mappingContext";
   private static final String MAPPING_CONFIGURATION_HELPER = "mappingConfigurationHelper";
   private static final String TEMPLATE = "mongoTemplate";
   private static final String BASE_PACKAGE = "base-package";
 
   @Override
   protected String resolveId(Element element, AbstractBeanDefinition definition, ParserContext parserContext) throws BeanDefinitionStoreException {
-    return "mappingConverter";
+    String id = super.resolveId(element, definition, parserContext);
+    return StringUtils.hasText(id) ? id : "mappingConverter";
   }
 
   @Override

spring-data-mongodb/src/main/java/org/springframework/data/document/mongodb/config/MongoRepositoryConfigDefinitionParser.java

@@ -15,8 +15,11 @@
  */
 package org.springframework.data.document.mongodb.config;
 
+import org.springframework.beans.factory.NoSuchBeanDefinitionException;
 import org.springframework.beans.factory.support.BeanDefinitionBuilder;
+import org.springframework.beans.factory.support.BeanDefinitionRegistry;
 import org.springframework.data.document.mongodb.config.SimpleMongoRepositoryConfiguration.MongoRepositoryConfiguration;
+import org.springframework.data.mapping.model.MappingContext;
 import org.springframework.data.repository.config.AbstractRepositoryConfigDefinitionParser;
 import org.w3c.dom.Element;
 
@@ -30,7 +33,9 @@ import org.w3c.dom.Element;
 public class MongoRepositoryConfigDefinitionParser
     extends
     AbstractRepositoryConfigDefinitionParser<SimpleMongoRepositoryConfiguration, MongoRepositoryConfiguration> {
-
+  
+  private static final String MAPPING_CONTEXT_DEFAULT = MongoMappingConverterParser.MAPPING_CONTEXT;
+  
   /*
   * (non-Javadoc)
   *
@@ -47,20 +52,44 @@ public class MongoRepositoryConfigDefinitionParser
 
 
   /*
-  * (non-Javadoc)
-  *
-  * @see org.springframework.data.repository.config.
-  * AbstractRepositoryConfigDefinitionParser
-  * #postProcessBeanDefinition(org.springframework
-  * .data.repository.config.SingleRepositoryConfigInformation,
-  * org.springframework.beans.factory.support.BeanDefinitionBuilder,
-  * java.lang.Object)
-  */
+   * (non-Javadoc)
+   * @see org.springframework.data.repository.config.AbstractRepositoryConfigDefinitionParser#postProcessBeanDefinition(org.springframework.data.repository.config.SingleRepositoryConfigInformation, org.springframework.beans.factory.support.BeanDefinitionBuilder, org.springframework.beans.factory.support.BeanDefinitionRegistry, java.lang.Object)
+   */
   @Override
   protected void postProcessBeanDefinition(
       MongoRepositoryConfiguration context,
-      BeanDefinitionBuilder builder, Object beanSource) {
+      BeanDefinitionBuilder builder, BeanDefinitionRegistry registry, Object beanSource) {
 
     builder.addPropertyReference("template", context.getMongoTemplateRef());
+    
+    String mappingContextRef = getMappingContextReference(context, registry);
+    if (mappingContextRef != null) {
+      builder.addPropertyReference("mappingContext", mappingContextRef);
+    }
+  }
+
+  /**
+   * Returns the bean name of a {@link MappingContext} to be wired. Will inspect the namespace attribute first and if no
+   * config is found in that place it will try to lookup the default one. Will return {@literal null} if neither one is
+   * available.
+   * 
+   * @param config
+   * @param registry
+   * @return
+   */
+  private String getMappingContextReference(MongoRepositoryConfiguration config, BeanDefinitionRegistry registry) {
+    
+    String contextRef = config.getMappingContextRef();
+    
+    if (contextRef != null) {
+      return contextRef;
+    }
+    
+    try {
+      registry.getBeanDefinition(MAPPING_CONTEXT_DEFAULT);
+      return MAPPING_CONTEXT_DEFAULT;
+    } catch(NoSuchBeanDefinitionException e) {
+      return null;
+    }
   }
 }

spring-data-mongodb/src/main/java/org/springframework/data/document/mongodb/config/SimpleMongoRepositoryConfiguration.java

@@ -36,6 +36,8 @@ public class SimpleMongoRepositoryConfiguration extends RepositoryConfig<SimpleM
 
   private static final String MONGO_TEMPLATE_REF = "mongo-template-ref";
   private static final String DEFAULT_MONGO_TEMPLATE_REF = "mongoTemplate";
+  
+  private static final String MAPPING_CONTEXT_REF = "mongo-mapping-context-ref";
 
 
   /**
@@ -61,6 +63,12 @@ public class SimpleMongoRepositoryConfiguration extends RepositoryConfig<SimpleM
     return StringUtils.hasText(templateRef) ? templateRef
         : DEFAULT_MONGO_TEMPLATE_REF;
   }
+  
+  public String getMappingContextRef() {
+    
+    String attribute = getSource().getAttribute(MAPPING_CONTEXT_REF);
+    return StringUtils.hasText(attribute) ? attribute : null;
+  }
 
 
   /*
@@ -113,6 +121,8 @@ public class SimpleMongoRepositoryConfiguration extends RepositoryConfig<SimpleM
       SingleRepositoryConfigInformation<SimpleMongoRepositoryConfiguration> {
 
     String getMongoTemplateRef();
+    
+    String getMappingContextRef();
   }
 
   /**
@@ -150,6 +160,13 @@ public class SimpleMongoRepositoryConfiguration extends RepositoryConfig<SimpleM
 
       return getAttribute(MONGO_TEMPLATE_REF);
     }
+    
+    /* (non-Javadoc)
+     * @see org.springframework.data.document.mongodb.config.SimpleMongoRepositoryConfiguration.MongoRepositoryConfiguration#getMappingContextRef()
+     */
+    public String getMappingContextRef() {
+      return getAttribute(MAPPING_CONTEXT_REF);
+    }
   }
 
   /**
@@ -188,5 +205,12 @@ public class SimpleMongoRepositoryConfiguration extends RepositoryConfig<SimpleM
 
       return getParent().getMongoTemplateRef();
     }
+    
+    /* (non-Javadoc)
+     * @see org.springframework.data.document.mongodb.config.SimpleMongoRepositoryConfiguration.MongoRepositoryConfiguration#getMappingContextRef()
+     */
+    public String getMappingContextRef() {
+      return getParent().getMappingContextRef();
+    }
   }
 }

spring-data-mongodb/src/main/resources/org/springframework/data/document/mongodb/config/spring-mongo-1.0.xsd

@@ -74,6 +74,13 @@ The host to connect to a MongoDB server.  Default is localhost
             </xsd:documentation>
           </xsd:annotation>
         </xsd:attribute>
+        <xsd:attribute name="mongo-mapping-context-ref" type="mappingContextRef" default="mappingContext">
+          <xsd:annotation>
+            <xsd:documentation>
+              The reference to a MappingContext. Will pick up a bean named 'mappingContext' by default if available.
+            </xsd:documentation>
+          </xsd:annotation>
+        </xsd:attribute>
         <xsd:attributeGroup ref="repository:repository-attributes"/>
       </xsd:extension>
     </xsd:complexContent>

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

@@ -1,5 +1,12 @@
 package org.springframework.data.document.mongodb.repository.config;
 
+import static org.hamcrest.CoreMatchers.*;
+import static org.junit.Assert.*;
+
+import org.junit.Test;
+import org.springframework.beans.factory.config.BeanDefinition;
+import org.springframework.beans.factory.xml.XmlBeanFactory;
+import org.springframework.core.io.ClassPathResource;
 import org.springframework.data.document.mongodb.repository.AbstractPersonRepositoryIntegrationTests;
 import org.springframework.test.context.ContextConfiguration;
 
@@ -14,4 +21,13 @@ import org.springframework.test.context.ContextConfiguration;
 public class MongoNamespaceIntegrationTests extends
     AbstractPersonRepositoryIntegrationTests {
 
+  
+  @Test
+  public void assertDefaultMappingContextIsWired() {
+    
+    XmlBeanFactory factory = new XmlBeanFactory(new ClassPathResource("MongoNamespaceIntegrationTests-context.xml", getClass()));
+    BeanDefinition definition = factory.getBeanDefinition("personRepository");
+    assertThat(definition, is(notNullValue()));
+    assertThat(definition.getPropertyValues().getPropertyValue("mappingContext"), is(notNullValue()));
+  }
 }

spring-data-mongodb/src/test/resources/mapping.xml

@@ -16,6 +16,4 @@
     <constructor-arg ref="mappingConverter"/>
   </bean>
 
-  <bean class="org.springframework.data.document.mongodb.MongoExceptionTranslator"/>
-
 </beans>

spring-data-mongodb/src/test/resources/org/springframework/data/document/mongodb/repository/config/MongoNamespaceIntegrationTests-context.xml

@@ -6,8 +6,17 @@
        xsi:schemaLocation="http://www.springframework.org/schema/data/mongo http://www.springframework.org/schema/data/mongo/spring-mongo-1.0.xsd
 		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
 		http://www.springframework.org/schema/data/repository http://www.springframework.org/schema/data/repository/spring-repository-1.0.xsd">
-
-  <import resource="classpath:infrastructure.xml"/>
+  
+  <mongo:mongo id="mongo" />
+  
+  <bean id="mongoTemplate" class="org.springframework.data.document.mongodb.MongoTemplate">
+    <constructor-arg ref="mongo" />
+    <constructor-arg value="database" />
+    <constructor-arg value="collection" />
+    <constructor-arg>
+      <mongo:mapping-converter />
+    </constructor-arg>
+  </bean>
 
   <mongo:repositories base-package="org.springframework.data.**.repository">
     <repository:exclude-filter type="regex" expression=".*MongoRepository"/>