Examples of com.fasterxml.jackson.databind.type.TypeFactory.findTypeParameters()

Package com.fasterxml.jackson.databind.type

Class com.fasterxml.jackson.databind.type.TypeFactory

Examples of com.fasterxml.jackson.databind.type.TypeFactory.findTypeParameters()

com.fasterxml.jackson.databind.type.TypeFactory.findTypeParameters()
Method that is to figure out actual type parameters that given class binds to generic types defined by given (generic) interface or class. This could mean, for example, trying to figure out key and value types for Map implementations. @param type Sub-type (leaf type) that implements expType

        Class<?> cls = type.getRawClass();
        // [JACKSON-283]: AtomicReference is a rather special type...
        if (AtomicReference.class.isAssignableFrom(cls)) {
            // Must find parameterization
            TypeFactory tf = ctxt.getTypeFactory();
            JavaType[] params = tf.findTypeParameters(type, AtomicReference.class);
            JavaType referencedType;
            if (params == null || params.length < 1) { // untyped (raw)
                referencedType = TypeFactory.unknownType();
            } else {
                referencedType = params[0];

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    private Class<?> findAdapterBoundType(XmlAdapter<?,?> adapter)
    {
        TypeFactory tf = getTypeFactory();
        JavaType adapterType = tf.constructType(adapter.getClass());
        JavaType[] params = tf.findTypeParameters(adapterType, XmlAdapter.class);
        // should not happen, except if our type resolution has a flaw, but:
        if (params == null || params.length < 2) {
            return Object.class;
        }
        return params[1].getRawClass();

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    private Class<?> findAdapterBoundType(XmlAdapter<?,?> adapter)
    {
        TypeFactory tf = getTypeFactory();
        JavaType adapterType = tf.constructType(adapter.getClass());
        JavaType[] params = tf.findTypeParameters(adapterType, XmlAdapter.class);
        // should not happen, except if our type resolution has a flaw, but:
        if (params == null || params.length < 2) {
            return Object.class;
        }
        return params[1].getRawClass();

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        // [JACKSON-283]: AtomicReference is a rather special type...
        if (AtomicReference.class.isAssignableFrom(cls)) {
            // Must find parameterization
            TypeFactory tf = config.getTypeFactory();
            JavaType[] params = tf.findTypeParameters(type, AtomicReference.class);
            JavaType referencedType;
            if (params == null || params.length < 1) { // untyped (raw)
                referencedType = TypeFactory.unknownType();
            } else {
                referencedType = params[0];

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        // [JACKSON-283]: AtomicReference is a rather special type...
        if (AtomicReference.class.isAssignableFrom(cls)) {
            // Must find parameterization
            TypeFactory tf = config.getTypeFactory();
            JavaType[] params = tf.findTypeParameters(type, AtomicReference.class);
            JavaType referencedType;
            if (params == null || params.length < 1) { // untyped (raw)
                referencedType = TypeFactory.unknownType();
            } else {
                referencedType = params[0];

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    private Class<?> findAdapterBoundType(XmlAdapter<?,?> adapter)
    {
        TypeFactory tf = getTypeFactory();
        JavaType adapterType = tf.constructType(adapter.getClass());
        JavaType[] params = tf.findTypeParameters(adapterType, XmlAdapter.class);
        // should not happen, except if our type resolution has a flaw, but:
        if (params == null || params.length < 2) {
            return Object.class;
        }
        return params[1].getRawClass();

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        Class<?> cls = type.getRawClass();
        // [JACKSON-283]: AtomicReference is a rather special type...
        if (AtomicReference.class.isAssignableFrom(cls)) {
            // Must find parameterization
            TypeFactory tf = ctxt.getTypeFactory();
            JavaType[] params = tf.findTypeParameters(type, AtomicReference.class);
            JavaType referencedType;
            if (params == null || params.length < 1) { // untyped (raw)
                referencedType = TypeFactory.unknownType();
            } else {
                referencedType = params[0];

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        throws JsonMappingException
    {
        // First: figure out what is the fully generic delegate type:
        TypeFactory tf = ctxt.getTypeFactory();
        JavaType implType = tf.constructType(_converter.getClass());
        JavaType[] params = tf.findTypeParameters(implType, Converter.class);
        if (params == null || params.length != 2) {
            throw new JsonMappingException("Could not determine Converter parameterization for "
                    +implType);
        }
        // and then we can find serializer to delegate to, construct a new instance:

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        // [JACKSON-283]: AtomicReference is a rather special type...
        if (AtomicReference.class.isAssignableFrom(cls)) {
            // Must find parameterization
            TypeFactory tf = config.getTypeFactory();
            JavaType[] params = tf.findTypeParameters(type, AtomicReference.class);
            JavaType referencedType;
            if (params == null || params.length < 1) { // untyped (raw)
                referencedType = TypeFactory.unknownType();
            } else {
                referencedType = params[0];

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        throws JsonMappingException
    {
        // First: figure out what is the fully generic delegate type:
        TypeFactory tf = provider.getTypeFactory();
        JavaType implType = tf.constructType(_converter.getClass());
        JavaType[] params = tf.findTypeParameters(implType, Converter.class);
        if (params == null || params.length != 2) {
            throw new JsonMappingException("Could not determine Converter parameterization for "
                    +implType);
        }
        // and then we can find serializer to delegate to, construct a new instance:

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