1+ package com .fasterxml .jackson .databind .introspect ;
2+
3+ import org .junit .jupiter .api .Test ;
4+
5+ import com .fasterxml .jackson .annotation .JsonPropertyOrder ;
6+ import com .fasterxml .jackson .databind .*;
7+ import com .fasterxml .jackson .databind .testutil .DatabindTestUtil ;
8+
9+ import static org .junit .jupiter .api .Assertions .*;
10+
11+ // [databind#5152] Support "iPhone" style capitalized properties
12+ public class IPhoneStyleProperty5152Test
13+ extends DatabindTestUtil
14+ {
15+ static class IPhoneBean {
16+ private String iPhone ;
17+
18+ public String getIPhone () {
19+ return iPhone ;
20+ }
21+
22+ public void setIPhone (String value ) {
23+ iPhone = value ;
24+ }
25+ }
26+
27+ static class RegularBean {
28+ private String phoneNumber ;
29+
30+ public String getPhoneNumber () {
31+ return phoneNumber ;
32+ }
33+
34+ public void setPhoneNumber (String value ) {
35+ phoneNumber = value ;
36+ }
37+ }
38+
39+
40+ static class DLogHeaderBean {
41+ private String DLogHeader ;
42+
43+ public String getDLogHeader () {
44+ return DLogHeader ;
45+ }
46+
47+ public void setDLogHeader (String value ) {
48+ DLogHeader = value ;
49+ }
50+ }
51+
52+ static class KBSBroadCastingBean {
53+ private String KBSBroadCasting ;
54+
55+ public String getKBSBroadCasting () {
56+ return KBSBroadCasting ;
57+ }
58+
59+ public void setKBSBroadCasting (String value ) {
60+ KBSBroadCasting = value ;
61+ }
62+ }
63+
64+ static class PhoneBean {
65+ private String Phone ;
66+
67+ public String getPhone () {
68+ return Phone ;
69+ }
70+ public void setPhone (String value ) {
71+ Phone = value ;
72+ }
73+ }
74+
75+ @ JsonPropertyOrder ({ "4Roses" , "$dollar" , "_underscore" })
76+ static class NonLetterFirstCharBean {
77+ private String _4Roses ;
78+ private String $dollar ;
79+ private String _underscore ;
80+
81+ public String get4Roses () {
82+ return _4Roses ;
83+ }
84+
85+ public void set4Roses (String value ) {
86+ _4Roses = value ;
87+ }
88+
89+ public String get$dollar () {
90+ return $dollar ;
91+ }
92+
93+ public void set$dollar (String value ) {
94+ $dollar = value ;
95+ }
96+
97+ public String get_underscore () {
98+ return _underscore ;
99+ }
100+
101+ public void set_underscore (String value ) {
102+ _underscore = value ;
103+ }
104+ }
105+
106+ private final ObjectMapper ENABLED = jsonMapperBuilder ()
107+ .enable (MapperFeature .MIXED_CAPS_PROPERTY_NAMING )
108+ .build ();
109+
110+ private final ObjectMapper ENABLED_WITH_VALIDATION = jsonMapperBuilder ()
111+ .enable (MapperFeature .MIXED_CAPS_PROPERTY_NAMING )
112+ .accessorNaming (new DefaultAccessorNamingStrategy .Provider ()
113+ .withFirstCharAcceptance (false , false )) // Don't allow lowercase or non-letter first chars
114+ .build ();
115+
116+ @ Test
117+ public void testIPhoneStyleProperty () throws Exception {
118+ // Test with iPhone style property
119+ String json = "{\" iPhone\" :\" iPhone 15\" }" ;
120+ IPhoneBean result = ENABLED .readValue (json , IPhoneBean .class );
121+ assertNotNull (result );
122+ assertEquals ("iPhone 15" , result .getIPhone ());
123+
124+ // Test serialization
125+ String serialized = ENABLED .writeValueAsString (result );
126+ assertEquals ("{\" iPhone\" :\" iPhone 15\" }" , serialized );
127+ }
128+
129+ @ Test
130+ public void testRegularPojoProperty () throws Exception {
131+ // Test with regular POJO property
132+ String json = "{\" phoneNumber\" :\" 123-456-7890\" }" ;
133+ RegularBean result = ENABLED .readValue (json , RegularBean .class );
134+ assertNotNull (result );
135+ assertEquals ("123-456-7890" , result .getPhoneNumber ());
136+
137+ // Test serialization
138+ String serialized = ENABLED .writeValueAsString (result );
139+ assertEquals ("{\" phoneNumber\" :\" 123-456-7890\" }" , serialized );
140+ }
141+
142+
143+ @ Test
144+ public void testDLogHeaderStyleProperty () throws Exception {
145+ // Test with DLogHeader style property
146+ String json = "{\" dLogHeader\" :\" Debug Log Header\" }" ;
147+ DLogHeaderBean result = ENABLED .readValue (json , DLogHeaderBean .class );
148+ assertNotNull (result );
149+ assertEquals ("Debug Log Header" , result .getDLogHeader ());
150+
151+ // Test serialization
152+ String serialized = ENABLED .writeValueAsString (result );
153+ assertEquals ("{\" dLogHeader\" :\" Debug Log Header\" }" , serialized );
154+ }
155+
156+ @ Test
157+ public void testKBSBroadCastingStyleProperty () throws Exception {
158+ // Test with KBSBroadCasting style property
159+ String json = "{\" KBSBroadCasting\" :\" Korean Broadcasting System\" }" ;
160+ KBSBroadCastingBean result = ENABLED .readValue (json , KBSBroadCastingBean .class );
161+ assertNotNull (result );
162+ assertEquals ("Korean Broadcasting System" , result .getKBSBroadCasting ());
163+
164+ // Test serialization
165+ String serialized = ENABLED .writeValueAsString (result );
166+ assertEquals ("{\" KBSBroadCasting\" :\" Korean Broadcasting System\" }" , serialized );
167+ }
168+
169+ @ Test
170+ public void testNonLetterFirstCharWithValidation () throws Exception {
171+ // Test with validation enabled - should ignore properties starting with non-letters
172+ NonLetterFirstCharBean result = ENABLED_WITH_VALIDATION .reader ()
173+ .without (DeserializationFeature .FAIL_ON_UNKNOWN_PROPERTIES )
174+ .readValue ("{\" 4Roses\" :\" Four Roses\" ,\" $dollar\" :\" Dollar\" ,\" _underscore\" :\" Underscore\" }" ,
175+ NonLetterFirstCharBean .class );
176+ assertNotNull (result );
177+ assertNull (result .get4Roses ());
178+ assertNull (result .get$dollar ());
179+ assertNull (result .get_underscore ());
180+
181+ // Test serialization - should not include properties starting with non-letters
182+ String serialized = ENABLED_WITH_VALIDATION .writeValueAsString (result );
183+ assertEquals ("{}" , serialized );
184+ }
185+
186+ @ Test
187+ public void testNonLetterFirstCharWithoutValidation () throws Exception {
188+ // Test without validation - should accept properties starting with non-letters
189+ NonLetterFirstCharBean result = ENABLED .readValue (
190+ "{\" 4Roses\" :\" Four Roses\" ,\" $dollar\" :\" Dollar\" ,\" _underscore\" :\" Underscore\" }" ,
191+ NonLetterFirstCharBean .class );
192+ assertNotNull (result );
193+ assertEquals ("Four Roses" , result .get4Roses ());
194+ assertEquals ("Dollar" , result .get$dollar ());
195+ assertEquals ("Underscore" , result .get_underscore ());
196+
197+ // Test serialization
198+ String serialized = ENABLED .writeValueAsString (result );
199+ assertEquals ("{\" 4Roses\" :\" Four Roses\" ,\" $dollar\" :\" Dollar\" ,\" _underscore\" :\" Underscore\" }" , serialized );
200+ }
201+
202+ @ Test
203+ public void testPhoneStyleProperty () throws Exception {
204+ // Test with Phone style property
205+ String json = "{\" Phone\" :\" iPhone 15\" }" ;
206+ PhoneBean result = ENABLED .readValue (json , PhoneBean .class );
207+ assertNotNull (result );
208+ assertEquals ("iPhone 15" , result .getPhone ());
209+
210+ // Test serialization
211+ String serialized = ENABLED .writeValueAsString (result );
212+ assertEquals ("{\" Phone\" :\" iPhone 15\" }" , serialized );
213+ }
214+
215+ }
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