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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.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.annotation.JacksonStdImpl;
import com.fasterxml.jackson.databind.jsonFormatVisitors.JsonFormatVisitorWrapper;
import com.fasterxml.jackson.databind.jsontype.TypeSerializer;

/**
 * This is the special serializer for regular {@link java.lang.String}s.
 *

* Since this is one of "native" types, no type information is ever * included on serialization (unlike for most scalar types as of 1.5) */ @JacksonStdImpl public final class StringSerializer // NOTE: generic parameter changed from String to Object in 2.6, to avoid // use of bridge methods // In 2.9, removed use of intermediate type `NonTypedScalarSerializerBase` extends StdScalarSerializer { private static final long serialVersionUID = 1L; public StringSerializer() { super(String.class, false); } @Override public boolean isEmpty(SerializerProvider prov, Object value) { String str = (String) value; return str.isEmpty(); } @Override public void serialize(Object value, JsonGenerator gen, SerializerProvider provider) throws IOException { gen.writeString((String) value); } @Override public final void serializeWithType(Object value, JsonGenerator gen, SerializerProvider provider, TypeSerializer typeSer) throws IOException { // no type info, just regular serialization gen.writeString((String) value); } /** * @deprecated Since 2.15 */ @Deprecated @Override public JsonNode getSchema(SerializerProvider provider, Type typeHint) { return createSchemaNode("string", true); } @Override public void acceptJsonFormatVisitor(JsonFormatVisitorWrapper visitor, JavaType typeHint) throws JsonMappingException { visitStringFormat(visitor, typeHint); } }