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JsonLdModule.java
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JsonLdModule.java
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/*
* JB4JSON-LD Jackson
* Copyright (C) 2024 Czech Technical University in Prague
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3.0 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library.
*/
package cz.cvut.kbss.jsonld.jackson;
import com.fasterxml.jackson.databind.module.SimpleModule;
import cz.cvut.kbss.jsonld.ConfigParam;
import cz.cvut.kbss.jsonld.Configuration;
import cz.cvut.kbss.jsonld.common.PropertyAccessResolver;
import cz.cvut.kbss.jsonld.deserialization.ValueDeserializer;
import cz.cvut.kbss.jsonld.jackson.common.JsonPropertyAccessResolver;
import cz.cvut.kbss.jsonld.jackson.deserialization.JsonLdDeserializerModifier;
import cz.cvut.kbss.jsonld.jackson.serialization.JsonLdSerializerModifier;
import cz.cvut.kbss.jsonld.serialization.serializer.ValueSerializer;
import java.util.HashMap;
import java.util.Map;
import java.util.Objects;
/**
* Simple module with pre-configured serializer and deserializer modifier.
*/
public class JsonLdModule extends SimpleModule {
private final Configuration configuration = new Configuration();
private final Map<Class<?>, ValueSerializer<?>> commonSerializers = new HashMap<>();
private final Map<Class<?>, ValueDeserializer<?>> commonDeserializers = new HashMap<>();
public JsonLdModule() {
init();
}
private void init() {
final PropertyAccessResolver accessResolver = new JsonPropertyAccessResolver();
setSerializerModifier(new JsonLdSerializerModifier(configuration, accessResolver, commonSerializers));
setDeserializerModifier(new JsonLdDeserializerModifier(configuration, accessResolver, commonDeserializers));
}
/**
* Configure this module with additional parameters.
*
* @param param Parameter to set
* @param value New value of the parameter
* @return This instance
*/
public JsonLdModule configure(ConfigParam param, String value) {
Objects.requireNonNull(param);
configuration.set(param, value);
return this;
}
/**
* Configure this module with additional parameters.
*
* @param param Parameter to set
* @param value New value of the parameter
* @return This instance
*/
public JsonLdModule configure(String param, String value) {
Objects.requireNonNull(param);
configuration.set(param, value);
return this;
}
/**
* Registers the specified serializer for the specified type.
*
* @param forType Type to register the serializer for
* @param serializer Value serializer being registered
* @param <T> Type
* @return This instance
*/
public <T> JsonLdModule registerSerializer(Class<T> forType, ValueSerializer<T> serializer) {
Objects.requireNonNull(forType);
Objects.requireNonNull(serializer);
commonSerializers.put(forType, serializer);
return this;
}
/**
* Registers the specified deserializer for the specified type.
*
* @param forType Type to register the deserializer for
* @param deserializer Value deserializer being registered
* @param <T> Type
* @return This instance
*/
public <T> JsonLdModule registerDeserializer(Class<T> forType, ValueDeserializer<T> deserializer) {
Objects.requireNonNull(forType);
Objects.requireNonNull(deserializer);
commonDeserializers.put(forType, deserializer);
return this;
}
}