Examples with OneOfElement com.squareup.wire.schema.internal.parser.OneOfElement used on opensource projects

Example 6 with OneOfElement

use of com.squareup.wire.schema.internal.parser.OneOfElement in project schema-registry by confluentinc.

the class ProtobufSchema method toDynamicMessage.

private static MessageDefinition toDynamicMessage(Syntax syntax, MessageElement messageElem) {
    log.trace("*** message: {}", messageElem.getName());
    MessageDefinition.Builder message = MessageDefinition.newBuilder(messageElem.getName());
    for (TypeElement type : messageElem.getNestedTypes()) {
        if (type instanceof MessageElement) {
            message.addMessageDefinition(toDynamicMessage(syntax, (MessageElement) type));
        } else if (type instanceof EnumElement) {
            message.addEnumDefinition(toDynamicEnum((EnumElement) type));
        }
    }
    Set<String> added = new HashSet<>();
    for (OneOfElement oneof : messageElem.getOneOfs()) {
        MessageDefinition.OneofBuilder oneofBuilder = message.addOneof(oneof.getName());
        for (FieldElement field : oneof.getFields()) {
            String defaultVal = field.getDefaultValue();
            String jsonName = field.getJsonName();
            Map<String, OptionElement> options = mergeOptions(field.getOptions());
            CType ctype = findOption(CTYPE, options).map(o -> CType.valueOf(o.getValue().toString())).orElse(null);
            JSType jstype = findOption(JSTYPE, options).map(o -> JSType.valueOf(o.getValue().toString())).orElse(null);
            Boolean isDeprecated = findOption(DEPRECATED, options).map(o -> Boolean.valueOf(o.getValue().toString())).orElse(null);
            Optional<OptionElement> meta = findOption(CONFLUENT_FIELD_META, options);
            String doc = findDoc(meta);
            Map<String, String> params = findParams(meta);
            oneofBuilder.addField(false, field.getType(), field.getName(), field.getTag(), defaultVal, jsonName, doc, params, ctype, jstype, isDeprecated);
            added.add(field.getName());
        }
    }
    // Process fields after messages so that any newly created map entry messages are at the end
    for (FieldElement field : messageElem.getFields()) {
        if (added.contains(field.getName())) {
            continue;
        }
        Field.Label fieldLabel = field.getLabel();
        String label = fieldLabel != null ? fieldLabel.toString().toLowerCase() : null;
        boolean isProto3Optional = "optional".equals(label) && syntax == Syntax.PROTO_3;
        String fieldType = field.getType();
        String defaultVal = field.getDefaultValue();
        String jsonName = field.getJsonName();
        Map<String, OptionElement> options = mergeOptions(field.getOptions());
        CType ctype = findOption(CTYPE, options).map(o -> CType.valueOf(o.getValue().toString())).orElse(null);
        Boolean isPacked = findOption(PACKED, options).map(o -> Boolean.valueOf(o.getValue().toString())).orElse(null);
        JSType jstype = findOption(JSTYPE, options).map(o -> JSType.valueOf(o.getValue().toString())).orElse(null);
        Boolean isDeprecated = findOption(DEPRECATED, options).map(o -> Boolean.valueOf(o.getValue().toString())).orElse(null);
        Optional<OptionElement> meta = findOption(CONFLUENT_FIELD_META, options);
        String doc = findDoc(meta);
        Map<String, String> params = findParams(meta);
        ProtoType protoType = ProtoType.get(fieldType);
        ProtoType keyType = protoType.getKeyType();
        ProtoType valueType = protoType.getValueType();
        // Map fields are only permitted in messages
        if (protoType.isMap() && keyType != null && valueType != null) {
            label = "repeated";
            fieldType = toMapEntry(field.getName());
            MessageDefinition.Builder mapMessage = MessageDefinition.newBuilder(fieldType);
            mapMessage.setMapEntry(true);
            mapMessage.addField(null, keyType.toString(), KEY_FIELD, 1, null, null, null);
            mapMessage.addField(null, valueType.toString(), VALUE_FIELD, 2, null, null, null);
            message.addMessageDefinition(mapMessage.build());
        }
        if (isProto3Optional) {
            // Add synthetic oneof after real oneofs
            MessageDefinition.OneofBuilder oneofBuilder = message.addOneof("_" + field.getName());
            oneofBuilder.addField(true, fieldType, field.getName(), field.getTag(), defaultVal, jsonName, doc, params, ctype, jstype, isDeprecated);
        } else {
            message.addField(label, fieldType, field.getName(), field.getTag(), defaultVal, jsonName, doc, params, ctype, isPacked, jstype, isDeprecated);
        }
    }
    for (ReservedElement reserved : messageElem.getReserveds()) {
        for (Object elem : reserved.getValues()) {
            if (elem instanceof String) {
                message.addReservedName((String) elem);
            } else if (elem instanceof Integer) {
                int tag = (Integer) elem;
                message.addReservedRange(tag, tag + 1);
            } else if (elem instanceof IntRange) {
                IntRange range = (IntRange) elem;
                message.addReservedRange(range.getStart(), range.getEndInclusive() + 1);
            } else {
                throw new IllegalStateException("Unsupported reserved type: " + elem.getClass().getName());
            }
        }
    }
    Map<String, OptionElement> options = mergeOptions(messageElem.getOptions());
    Boolean noStandardDescriptorAccessor = findOption(NO_STANDARD_DESCRIPTOR_ACCESSOR, options).map(o -> Boolean.valueOf(o.getValue().toString())).orElse(null);
    if (noStandardDescriptorAccessor != null) {
        message.setNoStandardDescriptorAccessor(noStandardDescriptorAccessor);
    }
    Boolean isDeprecated = findOption(DEPRECATED, options).map(o -> Boolean.valueOf(o.getValue().toString())).orElse(null);
    if (isDeprecated != null) {
        message.setDeprecated(isDeprecated);
    }
    Boolean isMapEntry = findOption(MAP_ENTRY, options).map(o -> Boolean.valueOf(o.getValue().toString())).orElse(null);
    if (isMapEntry != null) {
        message.setMapEntry(isMapEntry);
    }
    Optional<OptionElement> meta = findOption(CONFLUENT_MESSAGE_META, options);
    String doc = findDoc(meta);
    Map<String, String> params = findParams(meta);
    message.setMeta(doc, params);
    return message.build();
}

Example 7 with OneOfElement

use of com.squareup.wire.schema.internal.parser.OneOfElement in project schema-registry by confluentinc.

the class ProtobufSchemaUtils method toString.

private static String toString(Context ctx, MessageElement type, boolean normalize) {
    StringBuilder sb = new StringBuilder();
    sb.append("message ");
    sb.append(type.getName());
    sb.append(" {");
    if (!type.getReserveds().isEmpty()) {
        sb.append('\n');
        List<ReservedElement> reserveds = type.getReserveds();
        if (normalize) {
            reserveds = reserveds.stream().flatMap(r -> r.getValues().stream().map(o -> new ReservedElement(r.getLocation(), r.getDocumentation(), Collections.singletonList(o)))).collect(Collectors.toList());
            Comparator<Object> cmp = Comparator.comparing(r -> {
                Object o = ((ReservedElement) r).getValues().get(0);
                if (o instanceof IntRange) {
                    return ((IntRange) o).getStart();
                } else if (o instanceof Integer) {
                    return (Integer) o;
                } else {
                    return Integer.MAX_VALUE;
                }
            }).thenComparing(r -> ((ReservedElement) r).getValues().get(0).toString());
            reserveds.sort(cmp);
        }
        for (ReservedElement reserved : reserveds) {
            appendIndented(sb, toString(ctx, reserved, normalize));
        }
    }
    if (!type.getOptions().isEmpty()) {
        sb.append('\n');
        List<OptionElement> options = type.getOptions();
        if (normalize) {
            options = new ArrayList<>(options);
            options.sort(Comparator.comparing(OptionElement::getName));
        }
        for (OptionElement option : options) {
            appendIndented(sb, toOptionString(option, normalize));
        }
    }
    if (!type.getFields().isEmpty()) {
        sb.append('\n');
        List<FieldElement> fields = type.getFields();
        if (normalize) {
            fields = new ArrayList<>(fields);
            fields.sort(Comparator.comparing(FieldElement::getTag));
        }
        for (FieldElement field : fields) {
            appendIndented(sb, toString(ctx, field, normalize));
        }
    }
    if (!type.getOneOfs().isEmpty()) {
        sb.append('\n');
        List<OneOfElement> oneOfs = type.getOneOfs();
        if (normalize) {
            oneOfs = oneOfs.stream().filter(o -> !o.getFields().isEmpty()).map(o -> {
                List<FieldElement> fields = new ArrayList<>(o.getFields());
                fields.sort(Comparator.comparing(FieldElement::getTag));
                return new OneOfElement(o.getName(), o.getDocumentation(), fields, o.getGroups(), o.getOptions());
            }).collect(Collectors.toList());
            oneOfs.sort(Comparator.comparing(o -> o.getFields().get(0).getTag()));
        }
        for (OneOfElement oneOf : oneOfs) {
            appendIndented(sb, toString(ctx, oneOf, normalize));
        }
    }
    if (!type.getGroups().isEmpty()) {
        sb.append('\n');
        for (GroupElement group : type.getGroups()) {
            appendIndented(sb, group.toSchema());
        }
    }
    if (!type.getExtensions().isEmpty()) {
        sb.append('\n');
        for (ExtensionsElement extension : type.getExtensions()) {
            appendIndented(sb, extension.toSchema());
        }
    }
    if (!type.getNestedTypes().isEmpty()) {
        sb.append('\n');
        // the non-normalized schema to serialize message indexes
        for (TypeElement typeElement : type.getNestedTypes()) {
            if (typeElement instanceof MessageElement) {
                if (normalize) {
                    TypeElementInfo typeInfo = ctx.getType(typeElement.getName(), true);
                    if (typeInfo != null && typeInfo.isMap()) {
                        // don't emit synthetic map message
                        continue;
                    }
                }
                try (Context.NamedScope nameScope = ctx.enterName(typeElement.getName())) {
                    appendIndented(sb, toString(ctx, (MessageElement) typeElement, normalize));
                }
            }
        }
        for (TypeElement typeElement : type.getNestedTypes()) {
            if (typeElement instanceof EnumElement) {
                try (Context.NamedScope nameScope = ctx.enterName(typeElement.getName())) {
                    appendIndented(sb, toString(ctx, (EnumElement) typeElement, normalize));
                }
            }
        }
    }
    sb.append("}\n");
    return sb.toString();
}