View Javadoc

1   /**
2    * Copyright (c) 2008-2012, http://www.snakeyaml.org
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package examples.collections;
17  
18  import java.util.List;
19  
20  import junit.framework.TestCase;
21  
22  import org.yaml.snakeyaml.TypeDescription;
23  import org.yaml.snakeyaml.Util;
24  import org.yaml.snakeyaml.Yaml;
25  import org.yaml.snakeyaml.constructor.Constructor;
26  
27  /**
28   * Test ListBean->List<Human> developers <br/>
29   * Human is an interface and the global tags are required
30   */
31  public class TypeSafePriorityTest extends TestCase {
32  
33      /**
34       * explicit TypeDescription is more important then runtime class (which may
35       * be an interface)
36       */
37      public void testLoadList2() {
38          String output = Util.getLocalResource("examples/list-bean-3.yaml");
39          // System.out.println(output);
40          TypeDescription descr = new TypeDescription(ListBean.class);
41          descr.putListPropertyType("developers", Developer.class);
42          Yaml beanLoader = new Yaml(new Constructor(descr));
43          ListBean parsed = beanLoader.loadAs(output, ListBean.class);
44          assertNotNull(parsed);
45          List<Human> developers = parsed.getDevelopers();
46          assertEquals(2, developers.size());
47          assertEquals("Committer must be recognised.", Developer.class, developers.get(0).getClass());
48          Developer fred = (Developer) developers.get(0);
49          assertEquals("Fred", fred.getName());
50          assertEquals("creator", fred.getRole());
51          Developer john = (Developer) developers.get(1);
52          assertEquals("John", john.getName());
53          assertEquals("committer", john.getRole());
54      }
55  
56      public static class ListBean {
57          private String name;
58          private List<Human> developers;
59  
60          public ListBean() {
61              name = "Bean123";
62          }
63  
64          public String getName() {
65              return name;
66          }
67  
68          public void setName(String name) {
69              this.name = name;
70          }
71  
72          public List<Human> getDevelopers() {
73              return developers;
74          }
75  
76          public void setDevelopers(List<Human> developers) {
77              this.developers = developers;
78          }
79      }
80  
81      public static interface Human {
82  
83          public String getName();
84  
85          public void setName(String name);
86  
87      }
88  
89      public static class Developer implements Human {
90          private String name;
91          private String role;
92  
93          public Developer() {
94          }
95  
96          public Developer(String name, String role) {
97              this.name = name;
98              this.role = role;
99          }
100 
101         public String getName() {
102             return name;
103         }
104 
105         public void setName(String name) {
106             this.name = name;
107         }
108 
109         public String getRole() {
110             return role;
111         }
112 
113         public void setRole(String role) {
114             this.role = role;
115         }
116     }
117 
118 }