Restore 'maven.java.net' repository

Restore 'maven.java.net' repository accidentally removed in commit
2337e763.

spring-context/src/test/java/wibble/Spr10918Tests.java

@@ -0,0 +1,49 @@
+
+package wibble;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+import org.junit.Test;
+import org.springframework.beans.factory.support.BeanDefinitionRegistry;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Import;
+import org.springframework.context.annotation.ImportBeanDefinitionRegistrar;
+import org.springframework.core.type.AnnotationMetadata;
+
+import static org.hamcrest.CoreMatchers.*;
+import static org.junit.Assert.*;
+
+public class Spr10918Tests {
+
+	@Test
+	public void invokesRegistrarOnlyOnce() {
+		final AnnotationConfigApplicationContext myContext = new AnnotationConfigApplicationContext();
+		myContext.scan(getClass().getPackage().getName());
+		myContext.refresh();
+		assertThat(TestImport.invocations, is(1));
+		myContext.close();
+	}
+
+	@Import(TestImport.class)
+	@Retention(RetentionPolicy.RUNTIME)
+	public @interface AnotherImport {
+	}
+
+	@Configuration
+	@AnotherImport
+	public static class TestConfiguration {
+	}
+
+	public static class TestImport implements ImportBeanDefinitionRegistrar {
+
+		static int invocations = 0;
+
+		@Override
+		public void registerBeanDefinitions(AnnotationMetadata anImport,
+				BeanDefinitionRegistry aRegistry) {
+			invocations++;
+		}
+	}
+}