package org.codehaus.jackson.map.jsontype;
import java.util.ArrayList;
import java.util.List;
import org.codehaus.jackson.Version;
import org.codehaus.jackson.annotate.JsonTypeInfo;
import org.codehaus.jackson.map.BaseMapTest;
import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.map.SerializationConfig;
import org.codehaus.jackson.map.type.TypeFactory;
import org.codehaus.jackson.type.JavaType;
import org.codehaus.jackson.type.TypeReference;
public class TestGenericListSerialization
extends BaseMapTest
{
// [JACKSON-356]
public static class JSONResponse<T> {
private T result;
public T getResult() {
return result;
}
public void setResult(T result) {
this.result = result;
}
}
@JsonTypeInfo(use=JsonTypeInfo.Id.CLASS, include=JsonTypeInfo.As.PROPERTY, property="@class")
public static class Parent {
public String parentContent = "PARENT";
}
public static class Child1 extends Parent {
public String childContent1 = "CHILD1";
}
public static class Child2 extends Parent {
public String childContent2 = "CHILD2";
}
/*
/**********************************************************
/* Unit tests
/**********************************************************
*/
public void testSubTypesFor356() throws Exception
{
ObjectMapper mapper = new ObjectMapper();
/* 06-Sep-2010, tatus: This was not fixed for 1.6; and to keep junit test
* suite green, let's not run it for versions prior to 1.7...
*/
Version v = mapper.version();
if (v.getMajorVersion() == 1 && v.getMinorVersion() == 6) {
System.err.println("Note: skipping test for Jackson 1.6");
return;
}
JSONResponse<List<Parent>> input = new JSONResponse<List<Parent>>();
List<Parent> embedded = new ArrayList<Parent>();
embedded.add(new Child1());
embedded.add(new Child2());
input.setResult(embedded);
mapper.configure(SerializationConfig.Feature.USE_STATIC_TYPING, true);
JavaType rootType = TypeFactory.defaultInstance().constructType(new TypeReference<JSONResponse<List<Parent>>>() { });
byte[] json = mapper.writerWithType(rootType).writeValueAsBytes(input);
// byte[] json = mapper.writeValueAsBytes(input);
// System.out.println("After Serialization: " + new String(json));
JSONResponse<List<Parent>> out = mapper.readValue(json, 0, json.length, rootType);
List<Parent> deserializedContent = (List<Parent>) out.getResult();
assertEquals(2, deserializedContent.size());
assertTrue(deserializedContent.get(0) instanceof Parent);
assertTrue(deserializedContent.get(0) instanceof Child1);
assertFalse(deserializedContent.get(0) instanceof Child2);
assertTrue(deserializedContent.get(1) instanceof Child2);
assertFalse(deserializedContent.get(1) instanceof Child1);
assertEquals("PARENT", ((Child1) deserializedContent.get(0)).parentContent);
assertEquals("PARENT", ((Child2) deserializedContent.get(1)).parentContent);
assertEquals("CHILD1", ((Child1) deserializedContent.get(0)).childContent1);
assertEquals("CHILD2", ((Child2) deserializedContent.get(1)).childContent2);
}
}