| /** |
| * 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 org.yaml.snakeyaml.resolver; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.regex.Pattern; |
| |
| import junit.framework.TestCase; |
| |
| import org.yaml.snakeyaml.TypeDescription; |
| 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.nodes.Node; |
| import org.yaml.snakeyaml.nodes.ScalarNode; |
| import org.yaml.snakeyaml.nodes.Tag; |
| |
| /** |
| * Custom implicit resolver does not apply inside JavaBean declaration <a href= |
| * "http://groups.google.com/group/snakeyaml-core/browse_frm/thread/c75c35a3d9cfcaba" |
| * >mailing list</a> for more information |
| */ |
| public class ImplicitResolverTest extends TestCase { |
| private static final Tag CFG = new Tag("!cfg"); |
| |
| public static class ConfigurationConstructor extends Constructor { |
| protected Map<String, String> config = null; |
| |
| public ConfigurationConstructor(Map<String, String> config) { |
| this.config = config; |
| this.yamlConstructors.put(CFG, new ConfigObjectConstruct()); |
| } |
| |
| private class ConfigObjectConstruct extends AbstractConstruct { |
| public Object construct(Node node) { |
| String val = (String) constructScalar((ScalarNode) node); |
| val = val.substring(2, val.length() - 1); |
| return config.get(val); |
| } |
| } |
| |
| protected Construct getConstructor(Node node) { |
| if (CFG.equals(node.getTag())) { |
| node.setUseClassConstructor(false); |
| } |
| return super.getConstructor(node); |
| } |
| } |
| |
| public static class TestBean { |
| String myval; |
| |
| public String getMyval() { |
| return myval; |
| } |
| |
| public void setMyval(String myval) { |
| this.myval = myval; |
| } |
| |
| public String toString() { |
| return "MyVal: " + myval; |
| } |
| } |
| |
| public void testMain() { |
| Map<String, String> config = new HashMap<String, String>(); |
| config.put("user.home", "HOME"); |
| Constructor constructor = new ConfigurationConstructor(config); |
| constructor.addTypeDescription(new TypeDescription(TestBean.class, "!testbean")); |
| Yaml yaml = new Yaml(constructor); |
| yaml.addImplicitResolver(CFG, Pattern.compile("\\$\\([a-zA-Z\\d\\u002E\\u005F]+\\)"), "$"); |
| TestBean bean = (TestBean) yaml.load("!testbean {myval: !cfg $(user.home)}"); |
| // System.out.println(bean.toString()); |
| assertEquals("Explicit tag must be respected", "HOME", bean.getMyval()); |
| bean = (TestBean) yaml.load("!testbean {myval: $(user.home)}"); |
| // System.out.println(bean.toString()); |
| assertEquals("Implicit tag must be respected", "HOME", bean.getMyval()); |
| } |
| } |