Example usage for com.google.gson.reflect TypeToken get

Introduction

In this page you can find the example usage for com.google.gson.reflect TypeToken get.

Prototype

public static <T> TypeToken<T> get(Class<T> type)

Source Link

Document

Gets type literal for the given Class instance.

Usage

From source file:org.immutables.gson.adapter.Types.java

License:Apache License

@SuppressWarnings("unchecked") // safe unchecked: could be safe only if used in the manner from generated code
public static <T> TypeToken<T> tokenFor(Class<?> sampleType, String fieldName, Type[] arguments,
        String... variables) {// ww w . j  a v  a 2  s  .c om
    try {
        Type typeWithVariables = sampleType.getField(fieldName).getGenericType();
        Type typeWithArguments = substituteVariables(typeWithVariables, arguments, variables);
        return (TypeToken<T>) TypeToken.get(typeWithArguments);
    } catch (Exception ex) {
        throw new AssertionError("Cannot get generic type for " + sampleType.getSimpleName() + "." + fieldName,
                ex);
    }
}

From source file:org.jclouds.googlecloud.config.ListPageAdapterFactory.java

License:Apache License

@SuppressWarnings("unchecked")
public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> ownerType) {
    Type type = ownerType.getType();
    if (ownerType.getRawType() != ListPage.class || !(type instanceof ParameterizedType)) {
        return null;
    }/*w  w w . j a v a  2  s .  co  m*/
    Type elementType = ((ParameterizedType) type).getActualTypeArguments()[0];
    TypeAdapter<?> itemAdapter = gson.getAdapter(TypeToken.get(elementType));
    return (TypeAdapter<T>) new ListPageAdapter(itemAdapter);
}

From source file:org.jclouds.json.internal.DeserializationConstructorAndReflectiveTypeAdapterFactory.java

License:Apache License

public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> type) {
    com.google.common.reflect.TypeToken<T> token = typeToken(type.getType());
    Invokable<T, T> deserializationTarget = constructorFieldNamingPolicy.getDeserializer(token);

    if (deserializationTarget == null) {
        return null; // allow GSON to choose the correct Adapter (can't simply return delegateFactory.create())
    }/*from   w ww.  j  a  va  2  s.  c om*/
    // @AutoValue is SOURCE retention, which means it cannot be looked up at runtime.
    // Assume abstract types built by static methods are AutoValue.
    if (Modifier.isAbstract(type.getRawType().getModifiers()) && deserializationTarget.isStatic()) {
        // Lookup the generated AutoValue class, whose fields must be read for serialization.
        String packageName = type.getRawType().getPackage().getName();
        String autoClassName = type.getRawType().getName().replace('$', '_').replace(packageName + ".",
                packageName + ".AutoValue_");
        try {
            type = (TypeToken<T>) TypeToken.get(Class.forName(autoClassName));
        } catch (ClassNotFoundException ignored) {
        }
    }
    return new DeserializeIntoParameterizedConstructor<T>(delegateFactory.create(gson, type),
            deserializationTarget, getParameterReaders(gson, deserializationTarget));
}

From source file:org.jclouds.json.internal.DeserializationConstructorAndReflectiveTypeAdapterFactory.java

License:Apache License

private <T> Map<String, ParameterReader<?>> getParameterReaders(Gson context,
        Invokable<T, T> deserializationCtor) {
    Builder<String, ParameterReader<?>> result = ImmutableMap.builder();
    for (Parameter param : deserializationCtor.getParameters()) {
        TypeAdapter<?> adapter = context.getAdapter(TypeToken.get(param.getType().getType()));
        String parameterName = constructorFieldNamingPolicy.translateName(deserializationCtor,
                param.hashCode());//from  w ww .ja  v a 2s. c o  m
        checkArgument(parameterName != null, deserializationCtor + " parameter " + 0 + " failed to be named by "
                + constructorFieldNamingPolicy);
        @SuppressWarnings({ "rawtypes", "unchecked" })
        ParameterReader<?> parameterReader = new ParameterReader(param.hashCode(), parameterName, adapter);
        result.put(parameterReader.name, parameterReader);
    }
    return result.build();
}

From source file:org.jclouds.json.internal.IgnoreNullFluentIterableTypeAdapterFactory.java

License:Apache License

@SuppressWarnings("unchecked")
public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> typeToken) {
    Type type = typeToken.getType();
    if (typeToken.getRawType() != FluentIterable.class || !(type instanceof ParameterizedType)) {
        return null;
    }//w  ww . ja v  a2 s. c om

    Type elementType = ((ParameterizedType) type).getActualTypeArguments()[0];
    TypeAdapter<?> elementAdapter = gson.getAdapter(TypeToken.get(elementType));
    return (TypeAdapter<T>) newFluentIterableAdapter(elementAdapter);
}

From source file:org.jclouds.json.internal.IgnoreNullIterableTypeAdapterFactory.java

License:Apache License

@SuppressWarnings("unchecked")
public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> typeToken) {
    Type type = typeToken.getType();
    if (typeToken.getRawType() != Iterable.class || !(type instanceof ParameterizedType)) {
        return null;
    }/*from  www. j a  va 2 s .  co  m*/

    Type elementType = ((ParameterizedType) type).getActualTypeArguments()[0];
    TypeAdapter<?> elementAdapter = gson.getAdapter(TypeToken.get(elementType));
    return (TypeAdapter<T>) newIterableAdapter(elementAdapter);
}

From source file:org.jclouds.json.internal.IgnoreNullMapTypeAdapterFactory.java

License:Apache License

@SuppressWarnings("unchecked")
public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> typeToken) {
    Type type = typeToken.getType();
    if (typeToken.getRawType() != Map.class || !(type instanceof ParameterizedType)) {
        return null;
    }//from w ww.  j  a  v a 2  s. c  o  m

    Type keyType = ((ParameterizedType) type).getActualTypeArguments()[0];
    Type valueType = ((ParameterizedType) type).getActualTypeArguments()[1];
    TypeAdapter<?> keyAdapter = gson.getAdapter(TypeToken.get(keyType));
    TypeAdapter<?> valueAdapter = gson.getAdapter(TypeToken.get(valueType));
    return (TypeAdapter<T>) newMapAdapter(keyAdapter, valueAdapter);
}

From source file:org.jclouds.json.internal.IgnoreNullMultimapTypeAdapterFactory.java

License:Apache License

@SuppressWarnings("unchecked")
public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> typeToken) {
    Type type = typeToken.getType();
    if ((typeToken.getRawType() != Multimap.class) || !(type instanceof ParameterizedType)) {
        return null;
    }/* w  ww .  j  a v  a  2s.  co m*/

    Type keyType = ((ParameterizedType) type).getActualTypeArguments()[0];
    Type valueType = ((ParameterizedType) type).getActualTypeArguments()[1];
    TypeAdapter<?> keyAdapter = gson.getAdapter(TypeToken.get(keyType));
    TypeAdapter<?> valueAdapter = gson.getAdapter(TypeToken.get(valueType));
    return (TypeAdapter<T>) newMapAdapter(keyAdapter, valueAdapter);
}

From source file:org.jclouds.json.internal.IgnoreNullSetTypeAdapterFactory.java

License:Apache License

@SuppressWarnings("unchecked")
public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> typeToken) {
    Type type = typeToken.getType();
    if (typeToken.getRawType() != Set.class || !(type instanceof ParameterizedType)) {
        return null;
    }//from www . ja v a2  s.  co m

    Type elementType = ((ParameterizedType) type).getActualTypeArguments()[0];
    TypeAdapter<?> elementAdapter = gson.getAdapter(TypeToken.get(elementType));
    return (TypeAdapter<T>) newSetAdapter(elementAdapter);
}

From source file:org.jclouds.json.internal.NullFilteringTypeAdapterFactories.java

License:Apache License

static <T> TypeToken<?> resolve(TypeToken<T> ownerType, Type param) {
    return TypeToken.get(
            com.google.gson.internal.$Gson$Types.resolve(ownerType.getType(), ownerType.getRawType(), param));
}