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/*
* ============LICENSE_START=======================================================
* ONAP : ccsdk features
* ================================================================================
* Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
* All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*
*/
package org.onap.ccsdk.features.sdnr.wt.dataprovider.yangtools.mapperextensions;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.BeanDescription;
import com.fasterxml.jackson.databind.DeserializationConfig;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.KeyDeserializer;
import com.fasterxml.jackson.databind.deser.BeanDeserializerModifier;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.NoSuchElementException;
import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.types.ScalarTypeObject;
//import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.types.ScalarTypeObject;
import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.types.YangHelper2;
import org.onap.ccsdk.features.sdnr.wt.dataprovider.yangtools.YangToolsMapperHelper;
import org.onap.ccsdk.features.sdnr.wt.dataprovider.yangtools.serialize.BaseIdentityDeserializer;
import org.onap.ccsdk.features.sdnr.wt.dataprovider.yangtools.serialize.ClassDeserializer;
import org.onap.ccsdk.features.sdnr.wt.dataprovider.yangtools.serialize.IdentifierDeserializer;
import org.onap.ccsdk.features.sdnr.wt.dataprovider.yangtools.serialize.TypeObjectDeserializer;
import org.opendaylight.yangtools.yang.binding.BaseIdentity;
import org.opendaylight.yangtools.yang.binding.Identifier;
import org.opendaylight.yangtools.yang.binding.TypeObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class YangToolsDeserializerModifier extends BeanDeserializerModifier {
private static final Logger LOG = LoggerFactory.getLogger(YangToolsDeserializerModifier.class);
private static final String getEnumMethodName="valueOf";
@Override
public JsonDeserializer<Enum<?>> modifyEnumDeserializer(DeserializationConfig config, final JavaType type,
BeanDescription beanDesc, final JsonDeserializer<?> deserializer) {
return new JsonDeserializer<Enum<?>>() {
@Override
public Enum<?> deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException {
Class<?> clazz = type.getRawClass();
try {
Method method = clazz.getDeclaredMethod(getEnumMethodName, String.class);
Enum<?> result = (Enum<?>) method.invoke(null, jp.getValueAsString());
LOG.debug("Deserialize '{}' with class '{}' to '{}'", jp.getValueAsString(), clazz.getName(), result);
return result;
} catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException
| NoSuchMethodException | NoSuchElementException | SecurityException e) {
LOG.warn("problem deserializing enum for {} with value {}: {}", clazz.getName(),
jp.getValueAsString(), e);
}
throw new IOException(
"unable to parse enum (" + type.getRawClass() + ")for value " + jp.getValueAsString());
}
};
}
@Override
public JsonDeserializer<?> modifyDeserializer(DeserializationConfig config, BeanDescription beanDesc,
JsonDeserializer<?> deserializer) {
final JavaType type = beanDesc.getType();
final Class<?> rawClass = type.getRawClass();
JsonDeserializer<?> deser = super.modifyDeserializer(config, beanDesc, deserializer);
if (YangToolsMapperHelper.implementsInterface(rawClass, TypeObject.class)) {
deser = new TypeObjectDeserializer<TypeObject>(type, deser);
} else if (YangToolsMapperHelper.implementsInterface(rawClass, YangHelper2.getScalarTypeObjectClass())) {
deser = new TypeObjectDeserializer<ScalarTypeObject>(type, deser);
} else if (YangToolsMapperHelper.implementsInterface(rawClass, BaseIdentity.class)) {
deser = new BaseIdentityDeserializer<BaseIdentity>(deser);
} else if (rawClass.equals(Class.class)) {
deser = new ClassDeserializer(rawClass);
}
LOG.debug("Deserialize '{}' with deserializer '{}'", rawClass.getName(), deser.getClass().getName());
return deser;
}
@Override
public KeyDeserializer modifyKeyDeserializer(DeserializationConfig config, JavaType type, KeyDeserializer deser) {
KeyDeserializer res;
if (YangToolsMapperHelper.implementsInterface(type.getRawClass(), Identifier.class)) {
res = new IdentifierDeserializer();
} else {
res = super.modifyKeyDeserializer(config, type, deser);
}
LOG.debug("Keydeserialize '{}' with deserializer '{}'", type.getRawClass().getName(), res.getClass().getName());
return res;
}
void test() {
com.fasterxml.jackson.databind.util.ClassUtil xy;
}
}
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