Created
January 8, 2013 22:08
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Test case to replicate issue with handling of polymorphic enum classes
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| import com.fasterxml.jackson.annotation.JsonTypeInfo; | |
| import com.fasterxml.jackson.databind.ObjectMapper; | |
| import org.junit.Test; | |
| import java.io.IOException; | |
| import java.io.Serializable; | |
| import java.util.ArrayList; | |
| import java.util.EnumMap; | |
| import java.util.List; | |
| public class EnumPolymorphicSerializationTest { | |
| @Test | |
| public void testEnumPolymorphicSerializationTest() throws IOException { | |
| ObjectMapper mapper = new ObjectMapper(); | |
| List<ITestType> testTypesList = new ArrayList<ITestType>(); | |
| testTypesList.add(ConcreteType.ONE); | |
| testTypesList.add(ConcreteType.TWO); | |
| ListContainer listContainer = new ListContainer(); | |
| listContainer.setTestTypes(testTypesList); | |
| listContainer = mapper.readValue(mapper.writeValueAsString(listContainer),ListContainer.class); | |
| EnumMapContainer enumMapContainer = new EnumMapContainer(); | |
| EnumMap<KeyType,ITestType> testTypesMap = new EnumMap<KeyType,ITestType>(KeyType.class); | |
| testTypesMap.put(KeyType.A, ConcreteType.ONE); | |
| testTypesMap.put(KeyType.B, ConcreteType.TWO); | |
| enumMapContainer.setTestTypes(testTypesMap); | |
| enumMapContainer = mapper.readValue(mapper.writeValueAsString(enumMapContainer), EnumMapContainer.class); | |
| } | |
| public static class EnumMapContainer { | |
| private EnumMap<KeyType,ITestType> testTypes; | |
| @JsonTypeInfo(use=JsonTypeInfo.Id.CLASS, include=JsonTypeInfo.As.PROPERTY, property="@class") | |
| public EnumMap<KeyType,ITestType> getTestTypes() { | |
| return testTypes; | |
| } | |
| public void setTestTypes(EnumMap<KeyType,ITestType> testTypes) { | |
| this.testTypes = testTypes; | |
| } | |
| } | |
| public static class ListContainer { | |
| private List<ITestType> testTypes; | |
| public List<ITestType> getTestTypes() { return testTypes; } | |
| public void setTestTypes(List<ITestType> testTypes) { this.testTypes = testTypes; } | |
| } | |
| @JsonTypeInfo(use=JsonTypeInfo.Id.CLASS, include=JsonTypeInfo.As.PROPERTY, property="@class") | |
| public static interface ITestType extends Serializable { | |
| } | |
| public static enum KeyType { | |
| A, B | |
| } | |
| public static enum ConcreteType implements ITestType { | |
| ONE, TWO; | |
| } | |
| } |
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