View Javadoc

1   /**
2    * Copyright (c) 2008-2011, 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  
17  package org.yaml.snakeyaml.constructor;
18  
19  import junit.framework.TestCase;
20  
21  import org.yaml.snakeyaml.Yaml;
22  
23  public class FilterClassesConstructorTest extends TestCase {
24  
25      public void testGetClassForName() {
26          Yaml yaml = new Yaml(new FilterConstructor(true));
27          String input = "!!org.yaml.snakeyaml.constructor.FilterClassesConstructorTest$FilteredBean {name: Andrey, number: 543}";
28          try {
29              yaml.load(input);
30              fail("Filter is expected.");
31          } catch (Exception e) {
32              assertTrue(e.getMessage().contains("Filter is applied."));
33          }
34          yaml = new Yaml(new FilterConstructor(false));
35          FilteredBean s = (FilteredBean) yaml.load(input);
36          assertEquals("Andrey", s.getName());
37      }
38  
39      class FilterConstructor extends Constructor {
40          private boolean filter;
41  
42          public FilterConstructor(boolean f) {
43              filter = f;
44          }
45  
46          @Override
47          protected Class<?> getClassForName(String name) throws ClassNotFoundException {
48              if (filter && name.startsWith("org.yaml")) {
49                  throw new RuntimeException("Filter is applied.");
50              }
51              return super.getClassForName(name);
52          }
53      }
54  
55      public static class FilteredBean {
56          private String name;
57          private int number;
58  
59          public String getName() {
60              return name;
61          }
62  
63          public void setName(String name) {
64              this.name = name;
65          }
66  
67          public int getNumber() {
68              return number;
69          }
70  
71          public void setNumber(int number) {
72              this.number = number;
73          }
74      }
75  }