io.prestosql.jdbc.$internal.jackson.databind.ser.std.ToStringSerializer Maven / Gradle / Ivy
package io.prestosql.jdbc.$internal.jackson.databind.ser.std;
import io.prestosql.jdbc.$internal.jackson.databind.annotation.JacksonStdImpl;
/**
* Simple general purpose serializer, useful for any
* type for which {@link Object#toString} returns the desired JSON
* value.
*
* Since 2.10 extends {@link ToStringSerializerBase}
*/
@JacksonStdImpl
@SuppressWarnings("serial")
public class ToStringSerializer
extends ToStringSerializerBase
{
/**
* Singleton instance to use.
*/
public final static ToStringSerializer instance = new ToStringSerializer();
/**
*
* Note: usually you should NOT create new instances, but instead use
* {@link #instance} which is stateless and fully thread-safe. However,
* there are cases where constructor is needed; for example,
* when using explicit serializer annotations like
* {@link io.prestosql.jdbc.$internal.jackson.databind.annotation.JsonSerialize#using}.
*/
public ToStringSerializer() { super(Object.class); }
/**
* Sometimes it may actually make sense to retain actual handled type.
*
* @since 2.5
*/
public ToStringSerializer(Class handledType) {
super(handledType);
}
@Override
public final String valueToString(Object value) {
return value.toString();
}
}