Example usage for com.google.gson JsonNull INSTANCE

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In this page you can find the example usage for com.google.gson JsonNull INSTANCE.

Prototype

JsonNull INSTANCE

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singleton for JsonNull

Usage

From source file:org.eclipse.che.jdt.BinaryTypeConvector.java

License:Open Source License

private static JsonElement toJsonMissingTypeNames(char[][][] missingTypeNames) {
    if (missingTypeNames == null)
        return JsonNull.INSTANCE;
    JsonArray array = new JsonArray();
    for (char[][] typeName : missingTypeNames) {
        array.add(toJsonArrayString(typeName));
    }/*from   w w  w. j a  va2 s .c om*/
    return array;
}

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From source file:org.eclipse.che.jdt.BinaryTypeConvector.java

License:Open Source License

public static JsonElement toJsonArrayString(char[][] chars) {
    if (chars == null)
        return JsonNull.INSTANCE;
    JsonArray array = new JsonArray();
    for (char[] aChar : chars) {
        array.add(new JsonPrimitive(new String(aChar)));
    }/*from  ww w .ja  va  2s. c o m*/
    return array;
}

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From source file:org.eclipse.che.jdt.JsonSearchRequester.java

License:Open Source License

@Override
public void acceptConstructor(int modifiers, char[] simpleTypeName, int parameterCount, char[] signature,
        char[][] parameterTypes, char[][] parameterNames, int typeModifiers, char[] packageName, int extraFlags,
        String path, AccessRestriction access) {
    if (access != null) {
        switch (access.getProblemId()) {
        case IProblem.ForbiddenReference:
            return;
        }/*from w ww.  ja  v a 2  s . c o  m*/
    }
    JsonObject constructor = new JsonObject();
    constructor.addProperty("modifiers", modifiers);
    constructor.addProperty("simpleTypeName", new String(simpleTypeName));
    constructor.addProperty("parameterCount", parameterCount);
    constructor.add("signature",
            signature == null ? JsonNull.INSTANCE : new JsonPrimitive(new String(signature)));
    constructor.add("parameterTypes", BinaryTypeConvector.toJsonArrayString(parameterTypes));
    constructor.add("parameterNames", BinaryTypeConvector.toJsonArrayString(parameterNames));
    constructor.addProperty("typeModifiers", typeModifiers);
    constructor.addProperty("packageName", new String(packageName));
    constructor.addProperty("extraFlags", extraFlags);
    result.add(constructor);
}

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From source file:org.eclipse.jgit.diff.EditDeserializer.java

License:Apache License

@Override
public JsonElement serialize(final Edit src, final Type typeOfSrc, final JsonSerializationContext context) {
    if (src == null) {
        return JsonNull.INSTANCE;
    }//  w ww  . j a v a  2 s .  c om
    final JsonArray a = new JsonArray();
    add(a, src);
    if (src instanceof ReplaceEdit) {
        for (Edit e : ((ReplaceEdit) src).getInternalEdits()) {
            add(a, e);
        }
    }
    return a;
}

---

From source file:org.eclipse.milo.opcua.binaryschema.gson.JsonStructureCodec.java

License:Open Source License

@Override
protected JsonElement opcUaToMemberTypeScalar(String name, Object value, String typeName) {
    if (value == null) {
        return JsonNull.INSTANCE;
    } else if (value instanceof Number) {
        if (value instanceof UByte) {
            return new JsonPrimitive(((UByte) value).shortValue());
        } else if (value instanceof UShort) {
            return new JsonPrimitive(((UShort) value).intValue());
        } else if (value instanceof UInteger) {
            return new JsonPrimitive(((UInteger) value).longValue());
        } else if (value instanceof ULong) {
            return new JsonPrimitive(((ULong) value).toBigInteger());
        } else {//  w  w  w .ja v a 2 s. com
            return new JsonPrimitive((Number) value);
        }
    } else if (value instanceof Boolean) {
        return new JsonPrimitive((Boolean) value);
    } else if (value instanceof String) {
        return new JsonPrimitive((String) value);
    } else if (value instanceof Character) {
        return new JsonPrimitive((Character) value);
    } else if (value instanceof JsonElement) {
        return (JsonElement) value;
    } else if (value instanceof DateTime) {
        return new JsonPrimitive(((DateTime) value).getUtcTime());
    } else if (value instanceof UUID) {
        return new JsonPrimitive(value.toString());
    } else if (value instanceof LocalizedText) {
        return gson.toJsonTree(value);
    } else if (value instanceof QualifiedName) {
        return gson.toJsonTree(value);
    } else if (value instanceof ByteString) {
        ByteString byteString = (ByteString) value;
        byte[] bs = byteString.bytesOrEmpty();
        JsonArray array = new JsonArray();
        for (Byte b : bs) {
            array.add(new JsonPrimitive(b));
        }
        return array;
    } else if (value instanceof XmlElement) {
        String fragment = ((XmlElement) value).getFragment();
        return fragment != null ? new JsonPrimitive(fragment) : JsonNull.INSTANCE;
    } else if (value instanceof NodeId) {
        String nodeId = ((NodeId) value).toParseableString();
        return new JsonPrimitive(nodeId);
    } else if (value instanceof ExpandedNodeId) {
        String xNodeId = ((ExpandedNodeId) value).toParseableString();
        return new JsonPrimitive(xNodeId);
    } else if (value instanceof StatusCode) {
        long code = ((StatusCode) value).getValue();
        return new JsonPrimitive(code);
    } else {
        throw new RuntimeException("could not create JsonElement for value: " + value);
    }
}

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From source file:org.eclipse.scada.base.json.VariantJsonSerializer.java

License:Open Source License

@Override
public JsonElement serialize(final Variant src, final Type typeOfSrc, final JsonSerializationContext context) {
    if (src == null) {
        return JsonNull.INSTANCE;
    }/*from w  w w .ja v a  2 s  .  co  m*/

    final JsonObject result = new JsonObject();
    result.addProperty(VariantJson.FIELD_TYPE, src.getType().toString());
    switch (src.getType()) {
    case BOOLEAN:
        result.addProperty(VariantJson.FIELD_VALUE, src.asBoolean(null));
        break;
    case DOUBLE: //$FALL-THROUGH$
    case INT32: //$FALL-THROUGH$
    case INT64:
        result.addProperty(VariantJson.FIELD_VALUE, (Number) src.getValue());
        break;
    case STRING:
        result.addProperty(VariantJson.FIELD_VALUE, src.asString(null));
        break;
    case NULL:
        result.add(VariantJson.FIELD_VALUE, JsonNull.INSTANCE);
        break;
    default:
        throw new RuntimeException(String.format("Unknown variant type '%s' encountered", src.getType()));
    }
    return result;
}

---

From source file:org.eel.kitchen.jsonschema.GsonProvider.java

License:Open Source License

private JsonElement jsonNodeToGson(final JsonNode node) {
    if (node.isNull())
        return JsonNull.INSTANCE;
    if (node.isTextual())
        return new JsonPrimitive(node.textValue());
    if (node.isBoolean())
        return new JsonPrimitive(node.booleanValue());
    if (node.isNumber())
        return new JsonPrimitive(node.numberValue());

    return node.isArray() ? arrayNodeToGson(node) : objectNodeToGson(node);
}

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From source file:org.fenixedu.cms.domain.SiteExporter.java

License:Open Source License

protected JsonObject export(Post post) {
    JsonObject json = new JsonObject();
    json.addProperty("slug", post.getSlug());
    json.addProperty("site", post.getSite().getSlug());
    json.add("name", post.getName().json());
    json.add("body", post.getBody().json());
    json.addProperty("createdBy", post.getCreatedBy().getUsername());
    json.add("creationDate", toJson(post.getCreationDate()));
    json.add("canViewGroup", export(post.getCanViewGroup()));
    json.add("categories", toArray(post.getCategoriesSet().stream().map(Category::getSlug)));
    json.addProperty("active", post.getActive());
    json.add("location", ofNullable(post.getLocation()).map(LocalizedString::json).orElse(JsonNull.INSTANCE));
    json.add("metadata", ofNullable(post.getMetadata()).map(PostMetadata::json).orElse(JsonNull.INSTANCE));
    json.add("modificationDate", toJson(post.getModificationDate()));
    json.add("publicationBegin", toJson(post.getPublicationBegin()));
    json.add("publicationEnd", toJson(post.getPublicationEnd()));
    json.add("files", toJsonArray(post.getFilesSet().stream().map(this::export)));
    return json;//from   w w  w.  j  a v  a  2s . co m
}

---

From source file:org.fenixedu.cms.domain.SiteExporter.java

License:Open Source License

private JsonElement export(Group group) {
    return group != null ? new JsonPrimitive(group.getExpression()) : JsonNull.INSTANCE;
}

---

From source file:org.fenixedu.cms.domain.SiteExporter.java

License:Open Source License

private JsonElement toJson(DateTime date) {
    return date != null ? new JsonPrimitive(date.toDateTimeISO().toString()) : JsonNull.INSTANCE;
}

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