1 /*******************************************************************************
2 * Copyright (c) 2015 LegSem.
3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the GNU Lesser Public License v2.1
5 * which accompanies this distribution, and is available at
6 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
7 *
8 * Contributors:
9 * LegSem - initial API and implementation
10 ******************************************************************************/
11 package com.legstar.coxb.impl.reflect;
12
13 import com.legstar.coxb.CobolBindingException;
14 import com.legstar.coxb.ICobolComplexBinding;
15 import com.legstar.coxb.transform.AbstractHostToJavaTransformer;
16 import com.legstar.coxb.util.JAXBAnnotationException;
17 import com.legstar.coxb.util.JAXBElementDescriptor;
18
19 /**
20 * This implementation of a host to java transformer dynamically binds to
21 * a complex object using reflection.
22 * The complex object must be a JAXB type with COBOL annotations.
23 *
24 */
25 public class ReflectHostToJavaTransformer extends AbstractHostToJavaTransformer {
26
27 /**
28 * The JAXB element descriptor.
29 */
30 private JAXBElementDescriptor _jaxbElementDescriptor;
31
32 /**
33 * Construct a transformer for a particular JAXB type.
34 *
35 * @param jaxbPackageName the JAXB type package name
36 * @param jaxbType the JAXB type
37 * @throws ReflectBindingException if JAXB type has no annotations or cannot
38 * be
39 * located from the classpath
40 */
41 public ReflectHostToJavaTransformer(
42 final String jaxbPackageName,
43 final String jaxbType) throws ReflectBindingException {
44 try {
45 _jaxbElementDescriptor = new JAXBElementDescriptor(jaxbPackageName,
46 jaxbType);
47 } catch (JAXBAnnotationException e) {
48 throw new ReflectBindingException(e);
49 }
50 }
51
52 /** {@inheritDoc} */
53 public ICobolComplexBinding getBinding() throws CobolBindingException {
54 try {
55 CComplexReflectBinding ccem = new CComplexReflectBinding(
56 getObjectFactory(), getJaxbClass());
57 return ccem;
58 } catch (ReflectBindingException e) {
59 throw new CobolBindingException(e);
60 }
61 }
62
63 /**
64 * @return the JAXB type factory to use for the JAXB object type
65 */
66 public Object getObjectFactory() {
67 return _jaxbElementDescriptor.getObjectFactory();
68 }
69
70 /**
71 * @return the JAXB type class
72 */
73 public Class < ? > getJaxbClass() {
74 return getJaxbElementDescriptor().getJaxbClass();
75 }
76
77 /**
78 * @return the JAXB element descriptor
79 */
80 public JAXBElementDescriptor getJaxbElementDescriptor() {
81 return _jaxbElementDescriptor;
82 }
83
84 }