Examples with DataException org.apache.kafka.connect.errors.DataException used on opensource projects

Example 1 with DataException

use of org.apache.kafka.connect.errors.DataException in project kafka by apache.

the class ConnectSchema method validateValue.

public static void validateValue(String name, Schema schema, Object value) {
    if (value == null) {
        if (!schema.isOptional())
            throw new DataException("Invalid value: null used for required field: \"" + name + "\", schema type: " + schema.type());
        else
            return;
    }
    List<Class> expectedClasses = LOGICAL_TYPE_CLASSES.get(schema.name());
    if (expectedClasses == null)
        expectedClasses = SCHEMA_TYPE_CLASSES.get(schema.type());
    if (expectedClasses == null)
        throw new DataException("Invalid Java object for schema type " + schema.type() + ": " + value.getClass() + " for field: \"" + name + "\"");
    boolean foundMatch = false;
    for (Class<?> expectedClass : expectedClasses) {
        if (expectedClass.isInstance(value)) {
            foundMatch = true;
            break;
        }
    }
    if (!foundMatch)
        throw new DataException("Invalid Java object for schema type " + schema.type() + ": " + value.getClass() + " for field: \"" + name + "\"");
    switch(schema.type()) {
        case STRUCT:
            Struct struct = (Struct) value;
            if (!struct.schema().equals(schema))
                throw new DataException("Struct schemas do not match.");
            struct.validate();
            break;
        case ARRAY:
            List<?> array = (List<?>) value;
            for (Object entry : array) validateValue(schema.valueSchema(), entry);
            break;
        case MAP:
            Map<?, ?> map = (Map<?, ?>) value;
            for (Map.Entry<?, ?> entry : map.entrySet()) {
                validateValue(schema.keySchema(), entry.getKey());
                validateValue(schema.valueSchema(), entry.getValue());
            }
            break;
    }
}

Example 2 with DataException

use of org.apache.kafka.connect.errors.DataException in project kafka by apache.

the class Date method fromLogical.

/**
     * Convert a value from its logical format (Date) to it's encoded format.
     * @param value the logical value
     * @return the encoded value
     */
public static int fromLogical(Schema schema, java.util.Date value) {
    if (schema.name() == null || !(schema.name().equals(LOGICAL_NAME)))
        throw new DataException("Requested conversion of Date object but the schema does not match.");
    Calendar calendar = Calendar.getInstance(UTC);
    calendar.setTime(value);
    if (calendar.get(Calendar.HOUR_OF_DAY) != 0 || calendar.get(Calendar.MINUTE) != 0 || calendar.get(Calendar.SECOND) != 0 || calendar.get(Calendar.MILLISECOND) != 0) {
        throw new DataException("Kafka Connect Date type should not have any time fields set to non-zero values.");
    }
    long unixMillis = calendar.getTimeInMillis();
    return (int) (unixMillis / MILLIS_PER_DAY);
}

Example 3 with DataException

use of org.apache.kafka.connect.errors.DataException in project kafka by apache.

the class SchemaBuilder method defaultValue.

/**
     * Set the default value for this schema. The value is validated against the schema type, throwing a
     * {@link SchemaBuilderException} if it does not match.
     * @param value the default value
     * @return the SchemaBuilder
     */
public SchemaBuilder defaultValue(Object value) {
    checkNull(DEFAULT_FIELD, defaultValue);
    checkNotNull(TYPE_FIELD, type, DEFAULT_FIELD);
    try {
        ConnectSchema.validateValue(this, value);
    } catch (DataException e) {
        throw new SchemaBuilderException("Invalid default value", e);
    }
    defaultValue = value;
    return this;
}

Example 4 with DataException

use of org.apache.kafka.connect.errors.DataException in project kafka by apache.

the class Time method fromLogical.

/**
     * Convert a value from its logical format (Time) to it's encoded format.
     * @param value the logical value
     * @return the encoded value
     */
public static int fromLogical(Schema schema, java.util.Date value) {
    if (schema.name() == null || !(schema.name().equals(LOGICAL_NAME)))
        throw new DataException("Requested conversion of Time object but the schema does not match.");
    Calendar calendar = Calendar.getInstance(UTC);
    calendar.setTime(value);
    long unixMillis = calendar.getTimeInMillis();
    if (unixMillis < 0 || unixMillis > MILLIS_PER_DAY) {
        throw new DataException("Kafka Connect Time type should not have any date fields set to non-zero values.");
    }
    return (int) unixMillis;
}

Example 5 with DataException

use of org.apache.kafka.connect.errors.DataException in project kafka by apache.

the class TimestampRouter method apply.

@Override
public R apply(R record) {
    final Long timestamp = record.timestamp();
    if (timestamp == null) {
        throw new DataException("Timestamp missing on record: " + record);
    }
    final String formattedTimestamp = timestampFormat.get().format(new Date(timestamp));
    final String updatedTopic = topicFormat.replace("${topic}", record.topic()).replace("${timestamp}", formattedTimestamp);
    return record.newRecord(updatedTopic, record.kafkaPartition(), record.keySchema(), record.key(), record.valueSchema(), record.value(), record.timestamp());
}