package com.fasterxml.jackson.xml;

import org.codehaus.jackson.annotate.JsonTypeInfo;

import com.fasterxml.jackson.xml.XmlMapper;

public class TestPolymorphic extends XmlTestBase
{
    /*
    /**********************************************************
    /* Helper types
    /**********************************************************
     */

    @JsonTypeInfo(use=JsonTypeInfo.Id.CLASS, include=JsonTypeInfo.As.PROPERTY)
    static class BaseTypeWithClassProperty { }

    static class SubTypeWithClassProperty extends BaseTypeWithClassProperty {
        public String name;

        public SubTypeWithClassProperty() { }
        public SubTypeWithClassProperty(String s) { name = s; }
    }
    
    @JsonTypeInfo(use=JsonTypeInfo.Id.CLASS, include=JsonTypeInfo.As.WRAPPER_ARRAY)
    static class BaseTypeWithClassArray { }

    static class SubTypeWithClassArray extends BaseTypeWithClassArray {
        public String name;

        public SubTypeWithClassArray() { }
        public SubTypeWithClassArray(String s) { name = s; }
    }

    @JsonTypeInfo(use=JsonTypeInfo.Id.CLASS, include=JsonTypeInfo.As.WRAPPER_OBJECT)
    static class BaseTypeWithClassObject { }

    static class SubTypeWithClassObject extends BaseTypeWithClassObject {
        public String name;
    
        public SubTypeWithClassObject() { }
        public SubTypeWithClassObject(String s) { name = s; }
    }
    
    /**
     * If not used as root element, need to use a wrapper
     */
    static class ClassArrayWrapper
    {
        public BaseTypeWithClassArray wrapped;

        public ClassArrayWrapper() { }
        public ClassArrayWrapper(String s) { wrapped = new SubTypeWithClassArray(s); }
    }

    /*
    /**********************************************************
    /* Set up
    /**********************************************************
     */

    protected XmlMapper _xmlMapper;

    // let's actually reuse XmlMapper to make things bit faster
    @Override
    public void setUp() throws Exception {
        super.setUp();
        _xmlMapper = new XmlMapper();
    }
    
    /*
    /**********************************************************
    /* Unit tests
    /**********************************************************
     */

    public void testAsClassProperty() throws Exception
    {
        String xml = _xmlMapper.writeValueAsString(new SubTypeWithClassProperty("Foobar"));

        // Type info should be written as an attribute, so:
        /* 08-Jan-2010, tatu: Alas, the simplest way to implement support requires a change
         *   to Jackson (since BeanSerializer.serializeWithType() is final; shouldn't be!).
         *   Need to wait...
         */
        /* 13-Jan-2010, tatu: With Jackson 1.7.1, it is possible to override type information
         *   inclusion, which allows use of attribute over element, so:
         */
        final String exp = 
            "<SubTypeWithClassProperty _class=\"com.fasterxml.jackson.xml.TestPolymorphic..SubTypeWithClassProperty\">"
            //"<SubTypeWithClassProperty><_class>com.fasterxml.jackson.xml.TestPolymorphic..SubTypeWithClassProperty</_class>"
            +"<name>Foobar</name></SubTypeWithClassProperty>"
                ;
        assertEquals(exp, xml);
        
        Object result = _xmlMapper.readValue(xml, BaseTypeWithClassProperty.class);
        assertNotNull(result);
        assertEquals(SubTypeWithClassProperty.class, result.getClass());
        assertEquals("Foobar", ((SubTypeWithClassProperty) result).name);
    }
    
    /* 19-Dec-2010, tatu: Let's hold off these tests, due to issues with inclusions.
     */
    // Does not work since array wrapping is not explicitly forced (unlike with collection
    // property of a bean
    /*
    public void testAsClassArray() throws Exception
    {
        String xml = _xmlMapper.writeValueAsString(new SubTypeWithClassArray("Foobar"));

System.err.println("XML/subtype-array == "+xml);

        Object result = _xmlMapper.readValue(xml, BaseTypeWithClassArray.class);
        assertNotNull(result);
        assertEquals(SubTypeWithClassArray.class, result.getClass());
        assertEquals("Foobar", ((SubTypeWithClassArray) result).name);
    }
    */

    // Hmmh. Does not yet quite work either, since we do not properly force
    // array context when writing...
    public void testAsWrappedClassArray() throws Exception
    {
        String xml = _xmlMapper.writeValueAsString(new ClassArrayWrapper("Foobar"));
        ClassArrayWrapper result = _xmlMapper.readValue(xml, ClassArrayWrapper.class);
        assertNotNull(result);
        assertEquals(SubTypeWithClassArray.class, result.wrapped.getClass());
        assertEquals("Foobar", ((SubTypeWithClassArray) result.wrapped).name);
    }
        
    // Only works if NOT an inner class ("$" in inner class throws a wrench)...
    /* 20-Dec-2010, tatu: Idiotic Eclipse-JUNIT tries to run tests on these.
     *   Better comment out for now.
     */
    public void testAsClassObject() throws Exception
    {
        String xml = _xmlMapper.writeValueAsString(new SubTypeWithClassObject("Foobar"));
        Object result = _xmlMapper.readValue(xml, BaseTypeWithClassObject.class);
        assertNotNull(result);
        assertEquals(SubTypeWithClassObject.class, result.getClass());
        assertEquals("Foobar", ((SubTypeWithClassObject) result).name);
    }
}
   
@@ -4315,24 +4315,31 @@
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@@ -4753,24 +4753,31 @@
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+    */%0A
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comment out failing test (for unsupported feature)