HHH-19890 Add Jackson 3 FormatMapper support #11357
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,92 @@ | ||
| /* | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| * Copyright Red Hat Inc. and Hibernate Authors | ||
| */ | ||
| package org.hibernate.type.format.jackson; | ||
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| import org.hibernate.type.descriptor.WrapperOptions; | ||
| import org.hibernate.type.descriptor.java.JavaType; | ||
| import org.hibernate.type.format.AbstractJsonFormatMapper; | ||
| import org.hibernate.type.format.FormatMapperCreationContext; | ||
| import tools.jackson.core.JacksonException; | ||
| import tools.jackson.core.JsonGenerator; | ||
| import tools.jackson.core.JsonParser; | ||
| import tools.jackson.databind.JacksonModule; | ||
| import tools.jackson.databind.cfg.MapperBuilder; | ||
| import tools.jackson.databind.json.JsonMapper; | ||
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| import java.lang.reflect.Type; | ||
| import java.util.List; | ||
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| /** | ||
| * @author Christian Beikov | ||
| * @author Yanming Zhou | ||
| * @author Nick Rayburn | ||
| */ | ||
|
Author
There was a problem hiding this comment. Not sure if the previous author's need to be retained. This file was copied from the existing one that they were on. (I also don't need my name in here either unless it's the project standard, just tried to match what I copied from.) |
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| public final class Jackson3JsonFormatMapper extends AbstractJsonFormatMapper { | ||
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| public static final String SHORT_NAME = "jackson3"; | ||
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| private final JsonMapper jsonMapper; | ||
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| public Jackson3JsonFormatMapper() { | ||
| this( MapperBuilder.findModules( Jackson3JsonFormatMapper.class.getClassLoader() ) ); | ||
| } | ||
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| public Jackson3JsonFormatMapper(FormatMapperCreationContext creationContext) { | ||
| this( JacksonIntegration.loadJackson3Modules( creationContext ) ); | ||
| } | ||
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| private Jackson3JsonFormatMapper(List<JacksonModule> modules) { | ||
| this( JsonMapper.builderWithJackson2Defaults() | ||
| .addModules( modules ) | ||
| .build() | ||
| ); | ||
| } | ||
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| public Jackson3JsonFormatMapper(JsonMapper jsonMapper) { | ||
| this.jsonMapper = jsonMapper; | ||
| } | ||
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| @Override | ||
| public <T> void writeToTarget(T value, JavaType<T> javaType, Object target, WrapperOptions options) | ||
| throws JacksonException { | ||
| jsonMapper.writerFor( jsonMapper.constructType( javaType.getJavaType() ) ) | ||
| .writeValue( (JsonGenerator) target, value ); | ||
| } | ||
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| @Override | ||
| public <T> T readFromSource(JavaType<T> javaType, Object source, WrapperOptions options) throws JacksonException { | ||
| return jsonMapper.readValue( (JsonParser) source, jsonMapper.constructType( javaType.getJavaType() ) ); | ||
| } | ||
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| @Override | ||
| public boolean supportsSourceType(Class<?> sourceType) { | ||
| return JsonParser.class.isAssignableFrom( sourceType ); | ||
| } | ||
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| @Override | ||
| public boolean supportsTargetType(Class<?> targetType) { | ||
| return JsonGenerator.class.isAssignableFrom( targetType ); | ||
| } | ||
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| @Override | ||
| public <T> T fromString(CharSequence charSequence, Type type) { | ||
| try { | ||
| return jsonMapper.readValue( charSequence.toString(), jsonMapper.constructType( type ) ); | ||
| } | ||
| catch (JacksonException e) { | ||
| throw new IllegalArgumentException( "Could not deserialize string to java type: " + type, e ); | ||
| } | ||
| } | ||
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| @Override | ||
| public <T> String toString(T value, Type type) { | ||
| try { | ||
| return jsonMapper.writerFor( jsonMapper.constructType( type ) ).writeValueAsString( value ); | ||
| } | ||
| catch (JacksonException e) { | ||
| throw new IllegalArgumentException( "Could not serialize object of java type: " + type, e ); | ||
| } | ||
| } | ||
| } | ||
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Maybe also mention what artifact is needed for Jackson 3?