array to object

git-svn-id: https://src.springframework.org/svn/spring-framework/trunk@1943 50f2f4bb-b051-0410-bef5-90022cba6387

org.springframework.core/src/main/java/org/springframework/core/convert/support/CollectionGenericConverter.java

@@ -171,7 +171,15 @@ class CollectionGenericConverter implements GenericConverter {
 	}
 
 	private Object convertObjectToArray(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
-		throw new UnsupportedOperationException("Not yet implemented");
+		TypeDescriptor targetElementType = targetType.getElementTypeDescriptor();
+		Object array = Array.newInstance(targetType.getElementType(), 1);
+		if (sourceType.isAssignableTo(targetElementType)) {
+			Array.set(array, 0, source);			
+		} else {
+			GenericConverter converter = conversionService.getConverter(sourceType, targetElementType);
+			Array.set(array, 0, converter.convert(source, sourceType, targetElementType));
+		}
+		return array;
 	}
 	
 	private boolean isCollectionToObject(TypeDescriptor sourceType, TypeDescriptor targetType) {

org.springframework.core/src/test/java/org/springframework/core/convert/support/GenericConversionServiceTests.java

@@ -240,13 +240,18 @@ public class GenericConversionServiceTests {
 	}
 
 	@Test
-	@Ignore
+	public void convertObjectToArray() {
-	public void convertStringToArray() {
+		String[] result = converter.convert("test", String[].class);
-		String[] result = (String[]) converter.convert("1,2,3", String[].class);
+		assertEquals(1, result.length);
-		assertEquals(3, result.length);
+		assertEquals("test", result[0]);
-		assertEquals("1", result[0]);
+	}
-		assertEquals("2", result[1]);
+
-		assertEquals("3", result[2]);
+	@Test
+	public void convertObjectToArrayWithElementConversion() {
+		converter.addConverterFactory(new StringToNumberConverterFactory());
+		Integer[] result = converter.convert("1", Integer[].class);
+		assertEquals(1, result.length);
+		assertEquals(new Integer(1), result[0]);
 	}
 
 	@Test