package com.fasterxml.jackson.databind.ser.std;

import java.io.IOException;
import java.lang.reflect.Type;

import com.fasterxml.jackson.core.*;
import com.fasterxml.jackson.core.type.WritableTypeId;
import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.jsonFormatVisitors.JsonFormatVisitorWrapper;
import com.fasterxml.jackson.databind.jsontype.TypeSerializer;

@SuppressWarnings("serial")
public abstract class StdScalarSerializer<T>
    extends StdSerializer<T>
{
    protected StdScalarSerializer(Class<T> t) {
        super(t);
    }

    
Alternate constructor that is (alas!) needed to work around kinks of generic type handling
/** * Alternate constructor that is (alas!) needed to work * around kinks of generic type handling */
@SuppressWarnings("unchecked") protected StdScalarSerializer(Class<?> t, boolean dummy) { super((Class<T>) t); }
Basic copy-constructor
Params:
  • src – Original instance to copy settings from
Since:2.12
/** * Basic copy-constructor * * @param src Original instance to copy settings from * * @since 2.12 */
protected StdScalarSerializer(StdScalarSerializer<?> src) { super(src); }
Default implementation will write type prefix, call regular serialization method (since assumption is that value itself does not need JSON Array or Object start/end markers), and then write type suffix. This should work for most cases; some sub-classes may want to change this behavior.
/** * Default implementation will write type prefix, call regular serialization * method (since assumption is that value itself does not need JSON * Array or Object start/end markers), and then write type suffix. * This should work for most cases; some sub-classes may want to * change this behavior. */
@Override public void serializeWithType(T value, JsonGenerator g, SerializerProvider provider, TypeSerializer typeSer) throws IOException { // NOTE: need not really be string; just indicates "scalar of some kind" WritableTypeId typeIdDef = typeSer.writeTypePrefix(g, typeSer.typeId(value, JsonToken.VALUE_STRING)); serialize(value, g, provider); typeSer.writeTypeSuffix(g, typeIdDef); } @Override public JsonNode getSchema(SerializerProvider provider, Type typeHint) throws JsonMappingException { return createSchemaNode("string", true); } @Override public void acceptJsonFormatVisitor(JsonFormatVisitorWrapper visitor, JavaType typeHint) throws JsonMappingException { // 13-Sep-2013, tatu: Let's assume it's usually a String, right? visitStringFormat(visitor, typeHint); } }