/*
* Copyright 2012 NGDATA nv
*
* 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 org.lilyproject.tools.import_.json.filters;
import org.codehaus.jackson.JsonNode;
import org.codehaus.jackson.node.ArrayNode;
import org.codehaus.jackson.node.ObjectNode;
import org.lilyproject.repository.api.LRepository;
import org.lilyproject.repository.api.RepositoryException;
import org.lilyproject.repository.api.filter.RecordFilter;
import org.lilyproject.repository.api.filter.RecordFilterList;
import org.lilyproject.tools.import_.json.JsonFormatException;
import org.lilyproject.tools.import_.json.Namespaces;
import org.lilyproject.util.json.JsonFormat;
import org.lilyproject.util.json.JsonUtil;
public class RecordFilterListJson implements RecordFilterJsonConverter<RecordFilterList> {
@Override
public boolean supports(String typeName) {
return typeName.equals(RecordFilterList.class.getName());
}
@Override
public ObjectNode toJson(RecordFilterList filter, Namespaces namespaces, LRepository repository,
RecordFilterJsonConverter<RecordFilter> converter)
throws RepositoryException, InterruptedException {
ObjectNode node = JsonFormat.OBJECT_MAPPER.createObjectNode();
if (filter.getOperator() != null) {
node.put("operator", filter.getOperator().toString());
}
if (filter.getFilters() != null) {
ArrayNode filters = node.putArray("filters");
for (RecordFilter subFilter : filter.getFilters()) {
filters.add(converter.toJson(subFilter, namespaces, repository, converter));
}
}
return node;
}
@Override
public RecordFilterList fromJson(JsonNode node, Namespaces namespaces, LRepository repository,
RecordFilterJsonConverter<RecordFilter> converter)
throws JsonFormatException, RepositoryException, InterruptedException {
RecordFilterList filter = new RecordFilterList();
String operator = JsonUtil.getString(node, "operator", null);
if (operator != null) {
filter.setOperator(RecordFilterList.Operator.valueOf(operator));
}
ArrayNode filters = JsonUtil.getArray(node, "filters", null);
if (filters != null) {
for (JsonNode subFilterNode : filters) {
if (!subFilterNode.isObject()) {
throw new JsonFormatException("filters should contain a json object");
}
ObjectNode subFilterObjectNode = (ObjectNode)subFilterNode;
filter.addFilter(converter.fromJson(subFilterObjectNode, namespaces, repository, converter));
}
}
return filter;
}
}