1 /*
2 * Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com
3 * The software in this package is published under the terms of the CPAL v1.0
4 * license, a copy of which has been included with this distribution in the
5 * LICENSE.txt file.
6 */
7 package org.mule.module.json.transformers;
8
9 import org.mule.api.MuleContext;
10 import org.mule.config.transformer.AbstractAnnotatedTransformerArgumentResolver;
11
12 import org.codehaus.jackson.map.ObjectMapper;
13
14 /**
15 * This resolver is used by the transform engine to inject a {@link org.codehaus.jackson.map.ObjectMapper} into a method that requires it.
16 * A shared ObjectMapper context can be created for the application and stored in the registry, this will get injected
17 * into any transform methods that add {@link org.codehaus.jackson.map.ObjectMapper} to the method signature.
18 * <p/>
19 * If there is no shared Object Mapper one will be created for the transformer using the return type as the Json root element.
20 *
21 * @since 3.0
22 */
23 public class JsonMapperResolver extends AbstractAnnotatedTransformerArgumentResolver
24 {
25 public static final String ANNOTATIONS_PACKAGE_NAME = "org.codehaus.jackson";
26
27 /**
28 * {@inheritDoc}
29 */
30 @Override
31 protected Class<?> getArgumentClass()
32 {
33 return ObjectMapper.class;
34 }
35
36 /**
37 * {@inheritDoc}
38 */
39 @Override
40 protected Object createArgument(Class<?> annotatedType, MuleContext context) throws Exception
41 {
42 return new ObjectMapper();
43 }
44
45 /**
46 * {@inheritDoc}
47 */
48 @Override
49 protected String getAnnotationsPackageName()
50 {
51 return ANNOTATIONS_PACKAGE_NAME;
52 }
53 }