Examples with AvscIssue com.linkedin.avroutil1.parser.avsc.AvscIssue used on opensource projects

Example 6 with AvscIssue

use of com.linkedin.avroutil1.parser.avsc.AvscIssue in project avro-util by linkedin.

the class AvscParser method parseLiteral.

private LiteralOrIssue parseLiteral(JsonValueExt literalNode, AvroSchema schema, String fieldName, AvscFileParseContext context) {
    AvroType avroType = schema.type();
    JsonValue.ValueType jsonType = literalNode.getValueType();
    AvscIssue issue;
    BigInteger bigIntegerValue;
    BigDecimal bigDecimalValue;
    byte[] bytes;
    switch(avroType) {
        case NULL:
            if (jsonType != JsonValue.ValueType.NULL) {
                issue = AvscIssues.badFieldDefaultValue(locationOf(context.getUri(), literalNode), literalNode.toString(), avroType, fieldName);
                context.addIssue(issue);
                return new LiteralOrIssue(issue);
            }
            return new LiteralOrIssue(new AvroNullLiteral((AvroPrimitiveSchema) schema, locationOf(context.getUri(), literalNode)));
        case BOOLEAN:
            if (jsonType != JsonValue.ValueType.FALSE && jsonType != JsonValue.ValueType.TRUE) {
                issue = AvscIssues.badFieldDefaultValue(locationOf(context.getUri(), literalNode), literalNode.toString(), avroType, fieldName);
                context.addIssue(issue);
                return new LiteralOrIssue(issue);
            }
            boolean boolValue = jsonType == JsonValue.ValueType.TRUE;
            return new LiteralOrIssue(new AvroBooleanLiteral((AvroPrimitiveSchema) schema, locationOf(context.getUri(), literalNode), boolValue));
        case INT:
            if (jsonType != JsonValue.ValueType.NUMBER) {
                issue = AvscIssues.badFieldDefaultValue(locationOf(context.getUri(), literalNode), literalNode.toString(), avroType, fieldName);
                context.addIssue(issue);
                return new LiteralOrIssue(issue);
            }
            JsonNumberExt intNode = (JsonNumberExt) literalNode;
            if (!intNode.isIntegral()) {
                // TODO - be more specific about this error (int vs float)
                issue = AvscIssues.badFieldDefaultValue(locationOf(context.getUri(), literalNode), literalNode.toString(), avroType, fieldName);
                context.addIssue(issue);
                return new LiteralOrIssue(issue);
            }
            bigIntegerValue = intNode.bigIntegerValue();
            if (bigIntegerValue.compareTo(MAX_INT) > 0 || bigIntegerValue.compareTo(MIN_INT) < 0) {
                // TODO - be more specific about this error (out of signed int range)
                issue = AvscIssues.badFieldDefaultValue(locationOf(context.getUri(), literalNode), literalNode.toString(), avroType, fieldName);
                context.addIssue(issue);
                return new LiteralOrIssue(issue);
            }
            return new LiteralOrIssue(new AvroIntegerLiteral((AvroPrimitiveSchema) schema, locationOf(context.getUri(), literalNode), bigIntegerValue.intValueExact()));
        case LONG:
            if (jsonType != JsonValue.ValueType.NUMBER) {
                issue = AvscIssues.badFieldDefaultValue(locationOf(context.getUri(), literalNode), literalNode.toString(), avroType, fieldName);
                context.addIssue(issue);
                return new LiteralOrIssue(issue);
            }
            JsonNumberExt longNode = (JsonNumberExt) literalNode;
            if (!longNode.isIntegral()) {
                // TODO - be more specific about this error (long vs float)
                issue = AvscIssues.badFieldDefaultValue(locationOf(context.getUri(), literalNode), literalNode.toString(), avroType, fieldName);
                context.addIssue(issue);
                return new LiteralOrIssue(issue);
            }
            bigIntegerValue = longNode.bigIntegerValue();
            if (bigIntegerValue.compareTo(MAX_LONG) > 0 || bigIntegerValue.compareTo(MIN_LONG) < 0) {
                // TODO - be more specific about this error (out of signed long range)
                issue = AvscIssues.badFieldDefaultValue(locationOf(context.getUri(), literalNode), literalNode.toString(), avroType, fieldName);
                context.addIssue(issue);
                return new LiteralOrIssue(issue);
            }
            return new LiteralOrIssue(new AvroLongLiteral((AvroPrimitiveSchema) schema, locationOf(context.getUri(), literalNode), bigIntegerValue.longValueExact()));
        case FLOAT:
            if (jsonType != JsonValue.ValueType.NUMBER) {
                issue = AvscIssues.badFieldDefaultValue(locationOf(context.getUri(), literalNode), literalNode.toString(), avroType, fieldName);
                context.addIssue(issue);
                return new LiteralOrIssue(issue);
            }
            JsonNumberExt floatNode = (JsonNumberExt) literalNode;
            bigDecimalValue = floatNode.bigDecimalValue();
            if (bigDecimalValue.compareTo(MAX_FLOAT) > 0) {
                // TODO - be more specific about this error (out of float range)
                issue = AvscIssues.badFieldDefaultValue(locationOf(context.getUri(), literalNode), literalNode.toString(), avroType, fieldName);
                context.addIssue(issue);
                return new LiteralOrIssue(issue);
            }
            return new LiteralOrIssue(new AvroFloatLiteral((AvroPrimitiveSchema) schema, locationOf(context.getUri(), literalNode), bigDecimalValue.floatValue()));
        case DOUBLE:
            if (jsonType != JsonValue.ValueType.NUMBER) {
                issue = AvscIssues.badFieldDefaultValue(locationOf(context.getUri(), literalNode), literalNode.toString(), avroType, fieldName);
                context.addIssue(issue);
                return new LiteralOrIssue(issue);
            }
            JsonNumberExt doubleNode = (JsonNumberExt) literalNode;
            bigDecimalValue = doubleNode.bigDecimalValue();
            if (bigDecimalValue.compareTo(MAX_DOUBLE) > 0) {
                // TODO - be more specific about this error (out of double range)
                issue = AvscIssues.badFieldDefaultValue(locationOf(context.getUri(), literalNode), literalNode.toString(), avroType, fieldName);
                context.addIssue(issue);
                return new LiteralOrIssue(issue);
            }
            return new LiteralOrIssue(new AvroDoubleLiteral((AvroPrimitiveSchema) schema, locationOf(context.getUri(), literalNode), bigDecimalValue.doubleValue()));
        case BYTES:
            if (jsonType != JsonValue.ValueType.STRING) {
                issue = AvscIssues.badFieldDefaultValue(locationOf(context.getUri(), literalNode), literalNode.toString(), avroType, fieldName);
                context.addIssue(issue);
                return new LiteralOrIssue(issue);
            }
            JsonStringExt bytesNode = (JsonStringExt) literalNode;
            // spec says "strings, where Unicode code points 0-255 are mapped to unsigned 8-bit byte values 0-255"
            bytes = bytesNode.getString().getBytes(StandardCharsets.ISO_8859_1);
            return new LiteralOrIssue(new AvroBytesLiteral((AvroPrimitiveSchema) schema, locationOf(context.getUri(), literalNode), bytes));
        case FIXED:
            if (jsonType != JsonValue.ValueType.STRING) {
                issue = AvscIssues.badFieldDefaultValue(locationOf(context.getUri(), literalNode), literalNode.toString(), avroType, fieldName);
                context.addIssue(issue);
                return new LiteralOrIssue(issue);
            }
            AvroFixedSchema fixedSchema = (AvroFixedSchema) schema;
            JsonStringExt fixedNode = (JsonStringExt) literalNode;
            // spec says "strings, where Unicode code points 0-255 are mapped to unsigned 8-bit byte values 0-255"
            bytes = fixedNode.getString().getBytes(StandardCharsets.ISO_8859_1);
            if (bytes.length != fixedSchema.getSize()) {
                // TODO - be more specific about this error (wrong length)
                issue = AvscIssues.badFieldDefaultValue(locationOf(context.getUri(), literalNode), literalNode.toString(), avroType, fieldName);
                context.addIssue(issue);
                return new LiteralOrIssue(issue);
            }
            return new LiteralOrIssue(new AvroFixedLiteral(fixedSchema, locationOf(context.getUri(), literalNode), bytes));
        case STRING:
            if (jsonType != JsonValue.ValueType.STRING) {
                issue = AvscIssues.badFieldDefaultValue(locationOf(context.getUri(), literalNode), literalNode.toString(), avroType, fieldName);
                context.addIssue(issue);
                return new LiteralOrIssue(issue);
            }
            JsonStringExt stringNode = (JsonStringExt) literalNode;
            return new LiteralOrIssue(new AvroStringLiteral((AvroPrimitiveSchema) schema, locationOf(context.getUri(), literalNode), stringNode.getString()));
        case ENUM:
            if (jsonType != JsonValue.ValueType.STRING) {
                issue = AvscIssues.badFieldDefaultValue(locationOf(context.getUri(), literalNode), literalNode.toString(), avroType, fieldName);
                context.addIssue(issue);
                return new LiteralOrIssue(issue);
            }
            AvroEnumSchema enumSchema = (AvroEnumSchema) schema;
            JsonStringExt enumNode = (JsonStringExt) literalNode;
            String enumValue = enumNode.getString();
            if (!enumSchema.getSymbols().contains(enumValue)) {
                // TODO - be more specific about this error (unknown symbol)
                issue = AvscIssues.badFieldDefaultValue(locationOf(context.getUri(), literalNode), literalNode.toString(), avroType, fieldName);
                context.addIssue(issue);
                return new LiteralOrIssue(issue);
            }
            return new LiteralOrIssue(new AvroEnumLiteral(enumSchema, locationOf(context.getUri(), literalNode), enumValue));
        case ARRAY:
            if (jsonType != JsonValue.ValueType.ARRAY) {
                issue = AvscIssues.badFieldDefaultValue(locationOf(context.getUri(), literalNode), literalNode.toString(), avroType, fieldName);
                context.addIssue(issue);
                return new LiteralOrIssue(issue);
            }
            AvroArraySchema arraySchema = (AvroArraySchema) schema;
            AvroSchema valueSchema = arraySchema.getValueSchema();
            JsonArrayExt arrayNode = (JsonArrayExt) literalNode;
            ArrayList<AvroLiteral> values = new ArrayList<>(arrayNode.size());
            for (int i = 0; i < arrayNode.size(); i++) {
                JsonValueExt valueNode = (JsonValueExt) arrayNode.get(i);
                LiteralOrIssue value = parseLiteral(valueNode, valueSchema, fieldName, context);
                // issues parsing any member value mean a failure to parse the array as a whole
                if (value.getIssue() != null) {
                    // TODO - be more specific about this error (unparsable array element i)
                    // TODO - add "causedBy" to AvscIssue and use it here
                    issue = AvscIssues.badFieldDefaultValue(locationOf(context.getUri(), literalNode), literalNode.toString(), avroType, fieldName);
                    context.addIssue(issue);
                    return new LiteralOrIssue(issue);
                }
                values.add(value.getLiteral());
            }
            return new LiteralOrIssue(new AvroArrayLiteral(arraySchema, locationOf(context.getUri(), literalNode), values));
        default:
            throw new UnsupportedOperationException("dont know how to parse a " + avroType + " at " + literalNode.getStartLocation() + " out of a " + literalNode.getValueType() + " (" + literalNode + ")");
    }
}