com.fasterxml.jackson.databind.MappingJsonFactory Maven / Gradle / Ivy
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This artifact provides a single jar that contains all classes required to use remote Jakarta Enterprise Beans and Jakarta Messaging, including
all dependencies. It is intended for use by those not using maven, maven users should just import the Jakarta Enterprise Beans and
Jakarta Messaging BOM's instead (shaded JAR's cause lots of problems with maven, as it is very easy to inadvertently end up
with different versions on classes on the class path).
package com.fasterxml.jackson.databind;
import java.io.IOException;
import com.fasterxml.jackson.core.*;
import com.fasterxml.jackson.core.format.InputAccessor;
import com.fasterxml.jackson.core.format.MatchStrength;
/**
* Sub-class of {@link JsonFactory} that will create a proper
* {@link ObjectCodec} to allow seam-less conversions between
* JSON content and Java objects (POJOs).
* The only addition to regular {@link JsonFactory} currently
* is that {@link ObjectMapper} is constructed and passed as
* the codec to use.
*/
public class MappingJsonFactory
extends JsonFactory
{
private static final long serialVersionUID = -1; // since 2.7
public MappingJsonFactory()
{
this(null);
}
public MappingJsonFactory(ObjectMapper mapper)
{
super(mapper);
if (mapper == null) {
setCodec(new ObjectMapper(this));
}
}
public MappingJsonFactory(JsonFactory src, ObjectMapper mapper)
{
super(src, mapper);
if (mapper == null) {
setCodec(new ObjectMapper(this));
}
}
/**
* We'll override the method to return more specific type; co-variance
* helps here
*/
@Override
public final ObjectMapper getCodec() { return (ObjectMapper) _objectCodec; }
// @since 2.1
@Override
public JsonFactory copy()
{
_checkInvalidCopy(MappingJsonFactory.class);
// note: as with base class, must NOT copy mapper reference
return new MappingJsonFactory(this, null);
}
/*
/**********************************************************
/* Format detection functionality (since 1.8)
/**********************************************************
*/
/**
* Sub-classes need to override this method
*/
@Override
public String getFormatName()
{
/* since non-JSON factories typically should not extend this class,
* let's just always return JSON as name.
*/
return FORMAT_NAME_JSON;
}
/**
* Sub-classes need to override this method
*/
@Override
public MatchStrength hasFormat(InputAccessor acc) throws IOException
{
if (getClass() == MappingJsonFactory.class) {
return hasJSONFormat(acc);
}
return null;
}
}
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