/**
* This software is licensed to you under the Apache License, Version 2.0 (the
* "Apache License").
*
* LinkedIn's contributions are made under the Apache License. If you contribute
* to the Software, the contributions will be deemed to have been made under the
* Apache License, unless you expressly indicate otherwise. Please do not make any
* contributions that would be inconsistent with the Apache License.
*
* You may obtain a copy of the Apache License at http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, this software
* distributed under the Apache License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the Apache
* License for the specific language governing permissions and limitations for the
* software governed under the Apache License.
*
* © 2012 LinkedIn Corp. All Rights Reserved.
*/
package com.senseidb.search.client.req.filter;
import java.util.ArrayList;
import java.util.List;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import com.senseidb.search.client.json.JsonHandler;
import com.senseidb.search.client.json.JsonSerializer;
import com.senseidb.search.client.req.Selection;
import com.senseidb.search.client.req.SelectionJsonHandler;
import com.senseidb.search.client.req.filter.Filter.AndOr;
import com.senseidb.search.client.req.query.Query;
import com.senseidb.search.client.req.query.QueryJsonHandler;
import com.senseidb.search.client.req.query.StringQuery;
public class FilterJsonHandler implements JsonHandler<Filter> {
private SelectionJsonHandler selectionJsonHandler = new SelectionJsonHandler();
private QueryJsonHandler queryJsonHandler = new QueryJsonHandler();
@Override
public JSONObject serialize(Filter bean) throws JSONException {
if (bean == null) {
return null;
}
if (bean instanceof Selection) {
return selectionJsonHandler.serialize((Selection) bean);
}
if (bean instanceof StringQuery) {
JSONObject ret = (JSONObject) JsonSerializer.serialize(bean);
return new JSONObject().put("query", ret);
}
if (bean instanceof AndOr) {
AndOr andOr = (AndOr) bean;
String operation = andOr.getOperation().name();
List<JSONObject> filters = convertToJson(andOr.filters);
return new JSONObject().put(operation, new JSONArray(filters));
}
if (bean instanceof BoolFilter) {
BoolFilter bool = (BoolFilter) bean;
JSONObject ret = new JSONObject();
if (bool.getMust() != null) {
ret.put("must", new JSONArray(convertToJson(bool.getMust())));
}
if (bool.getMust_not() != null) {
ret.put("must_not",
new JSONArray(convertToJson(bool.getMust_not())));
}
if (bool.getShould() != null) {
ret.put("should",
new JSONArray(convertToJson(bool.getShould())));
}
return new JSONObject().put("bool", ret);
}
if (bean instanceof Ids) {
Ids ids = (Ids) bean;
JSONObject ret = new JSONObject();
if (ids.getValues() != null) {
ret.put("values", new JSONArray(ids.getValues()));
}
if (ids.getExcludes() != null) {
ret.put("excludes", new JSONArray(ids.getExcludes()));
}
return new JSONObject().put("ids", ret);
}
if (bean instanceof IsNull) {
IsNull isNull = (IsNull) bean;
return new JSONObject().put("isNull",
new JSONObject().put("field", isNull.getField()));
}
if (bean instanceof Query) {
return queryJsonHandler.serialize((Query) bean);
}
if (bean instanceof QueryFilter) {
return new JSONObject()
.put("query", queryJsonHandler
.serialize(((QueryFilter) bean).getQuery()));
}
throw new UnsupportedOperationException(bean.getClass()
+ " is not supported");
}
private List<JSONObject> convertToJson(List<Filter> filters2)
throws JSONException {
List<JSONObject> filters = new ArrayList<JSONObject>(filters2.size());
for (Filter filter : filters2) {
filters.add(serialize(filter));
}
return filters;
}
@Override
public Filter deserialize(JSONObject json) throws JSONException {
return null;
}
}