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34 package info.magnolia.freemarker.models;
35
36 import info.magnolia.freemarker.FreemarkerConfig;
37
38 import java.util.ArrayList;
39 import java.util.List;
40
41 import freemarker.ext.util.ModelFactory;
42 import freemarker.template.Configuration;
43 import freemarker.template.DefaultObjectWrapper;
44 import freemarker.template.TemplateModel;
45 import freemarker.template.TemplateModelException;
46
47
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49
50 public class MagnoliaObjectWrapper extends DefaultObjectWrapper {
51 private final static org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(MagnoliaObjectWrapper.class);
52
53 private final static List<MagnoliaModelFactory> DEFAULT_MODEL_FACTORIES = new ArrayList<MagnoliaModelFactory>() {{
54 add(ContentMapModel.FACTORY);
55 add(CalendarModel.FACTORY);
56 add(UserModel.FACTORY);
57 add(ContextModelFactory.INSTANCE);
58 }};
59
60 private final FreemarkerConfig freemarkerConfig;
61
62 public MagnoliaObjectWrapper(FreemarkerConfig freemarkerConfig) {
63 super(Configuration.VERSION_2_3_28);
64 this.freemarkerConfig = freemarkerConfig;
65 }
66
67 @Override
68 public TemplateModel wrap(Object obj) throws TemplateModelException {
69
70 if (obj == null) {
71 return super.wrap(null);
72 }
73
74
75
76 if ((obj instanceof Class) && ((Class) obj).isEnum()) {
77 final String enumClassName = ((Class) obj).getName();
78 return getEnumModels().get(enumClassName);
79 }
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86 Class<?> clazz = obj.getClass();
87 ModelFactory modelFactory = getModelFactory(clazz, freemarkerConfig.getModelFactories());
88 if (modelFactory == null) {
89 modelFactory = getModelFactory(clazz, DEFAULT_MODEL_FACTORIES);
90 }
91 if (modelFactory != null) {
92 return handleUnknownType(obj);
93 }
94
95 return super.wrap(obj);
96 }
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109 @Override
110 protected ModelFactory getModelFactory(Class clazz) {
111 final List<MagnoliaModelFactory> registeredModelFactories = freemarkerConfig.getModelFactories();
112 ModelFactory modelFactory = getModelFactory(clazz, registeredModelFactories);
113
114 if (modelFactory == null) {
115 modelFactory = getModelFactory(clazz, DEFAULT_MODEL_FACTORIES);
116 }
117 if (modelFactory == null) {
118 modelFactory = super.getModelFactory(clazz);
119 }
120 return modelFactory;
121 }
122
123 private ModelFactory getModelFactory(Class clazz, List<MagnoliaModelFactory> factories) {
124 for (MagnoliaModelFactory factory : factories) {
125 if (factory.factoryFor().isAssignableFrom(clazz)) {
126 return factory;
127 }
128 }
129 return null;
130 }
131 }