| /** |
| * Copyright (c) 2008, http://www.snakeyaml.org |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package examples; |
| |
| import java.util.List; |
| import java.util.Map; |
| |
| import junit.framework.TestCase; |
| |
| import org.yaml.snakeyaml.Util; |
| import org.yaml.snakeyaml.Yaml; |
| import org.yaml.snakeyaml.constructor.AbstractConstruct; |
| import org.yaml.snakeyaml.constructor.Construct; |
| import org.yaml.snakeyaml.constructor.Constructor; |
| import org.yaml.snakeyaml.error.YAMLException; |
| import org.yaml.snakeyaml.nodes.Node; |
| import org.yaml.snakeyaml.nodes.Tag; |
| |
| public class IgnoreTagsExampleTest extends TestCase { |
| @SuppressWarnings("unchecked") |
| public void testLoad() { |
| String input = Util.getLocalResource("examples/unknown-tags-example.yaml"); |
| // System.out.println(input); |
| Yaml yaml = new Yaml(new MyConstructor()); |
| Map<String, Object> result = (Map<String, Object>) yaml.load(input); |
| // Check the result |
| assertNotNull(result); |
| assertEquals(3, result.size()); |
| assertEquals("123", result.get("aaa")); |
| // |
| List<Object> bbb = (List<Object>) result.get("bbb"); |
| assertEquals(2, bbb.size()); |
| assertEquals(new Integer(111), bbb.get(0)); |
| assertEquals("ddd", bbb.get(1)); |
| // |
| Map<String, Object> ccc = (Map<String, Object>) result.get("ccc"); |
| assertEquals(2, ccc.size()); |
| assertEquals(1.0, ccc.get("x")); |
| assertEquals(3.1416, ccc.get("y")); |
| } |
| |
| private class MyConstructor extends Constructor { |
| private Construct original; |
| |
| public MyConstructor() { |
| original = this.yamlConstructors.get(null); |
| this.yamlConstructors.put(null, new IgnoringConstruct()); |
| } |
| |
| private class IgnoringConstruct extends AbstractConstruct { |
| public Object construct(Node node) { |
| if (node.getTag().startsWith("!KnownTag")) { |
| return original.construct(node); |
| } else { |
| switch (node.getNodeId()) { |
| case scalar: |
| return yamlConstructors.get(Tag.STR).construct(node); |
| case sequence: |
| return yamlConstructors.get(Tag.SEQ).construct(node); |
| case mapping: |
| return yamlConstructors.get(Tag.MAP).construct(node); |
| default: |
| throw new YAMLException("Unexpected node"); |
| } |
| } |
| } |
| } |
| } |
| } |