/*
* Copyright 2014 Bazaarvoice, Inc.
*
* 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.
*/
package com.bazaarvoice.jolt.jsonUtil.testdomain.three;
import com.bazaarvoice.jolt.jsonUtil.testdomain.QueryFilter;
import com.bazaarvoice.jolt.jsonUtil.testdomain.QueryParam;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.core.ObjectCodec;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import com.fasterxml.jackson.databind.node.ObjectNode;
import java.io.IOException;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
@JsonSerialize(using = LogicalFilter3.LogicalFilter3Serializer.class)
@JsonDeserialize(using = LogicalFilter3.LogicalFilter4Deserializer.class)
public class LogicalFilter3 implements QueryFilter {
public static class LogicalFilter3Serializer extends JsonSerializer<LogicalFilter3> {
@Override
public void serialize(LogicalFilter3 filter, JsonGenerator jgen, SerializerProvider provider) throws IOException {
jgen.writeStartObject();
jgen.writeObjectField( filter.getQueryParam().toString(), filter.getFilters().values() );
jgen.writeEndObject();
}
}
public static class LogicalFilter4Deserializer extends JsonDeserializer<LogicalFilter3> {
@Override
public LogicalFilter3 deserialize( JsonParser jp, DeserializationContext ctxt ) throws IOException, JsonProcessingException {
ObjectCodec objectCodec = jp.getCodec();
ObjectNode root = jp.readValueAsTree();
// We assume it is a LogicalFilter
Iterator<String> iter = root.fieldNames();
String key = iter.next();
JsonNode arrayNode = root.iterator().next();
if ( arrayNode == null || arrayNode.isMissingNode() || ! arrayNode.isArray() ) {
throw new RuntimeException( "Invalid format of LogicalFilter encountered." );
}
// pass in our objectCodec so that the subJsonParser knows about our configured Modules and Annotations
JsonParser subJsonParser = arrayNode.traverse( objectCodec );
List<QueryFilter> childrenQueryFilters = subJsonParser.readValueAs( new TypeReference<List<QueryFilter>>() {} );
return new LogicalFilter3( QueryParam.valueOf( key ), childrenQueryFilters );
}
}
private QueryParam queryParam;
private Map<QueryParam, QueryFilter> filters;
public LogicalFilter3( QueryParam queryParam, List<QueryFilter> filters ) {
this.queryParam = queryParam;
this.filters = new LinkedHashMap<QueryParam, QueryFilter>();
for ( QueryFilter queryFilter : filters ) {
this.filters.put( queryFilter.getQueryParam(), queryFilter );
}
}
@Override
public Map<QueryParam, QueryFilter> getFilters() {
return filters;
}
@Override
public QueryParam getQueryParam() {
return queryParam;
}
@Override
public String getValue() {
return null;
}
@Override
public boolean isLogical() {
return true;
}
@Override
public boolean isReal() {
return false;
}
}