/**
* 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.gateway.file;
import java.io.File;
import java.io.IOException;
import java.util.Comparator;
import org.json.JSONException;
import org.json.JSONObject;
import com.senseidb.indexing.DataSourceFilter;
import com.senseidb.indexing.DataSourceFilterable;
import com.senseidb.util.JSONUtil.FastJSONArray;
import com.senseidb.util.JSONUtil.FastJSONObject;
public class LinedJsonFileDataProvider extends LinedFileDataProvider<JSONObject> implements DataSourceFilterable<String> {
private DataSourceFilter<String> _dataSourceFilter;
public LinedJsonFileDataProvider(Comparator<String> versionComparator, File file, long startingOffset) {
super(versionComparator, file, startingOffset);
}
@Override
public void setFilter(DataSourceFilter<String> filter)
{
_dataSourceFilter = filter;
}
@Override
protected JSONObject convertLine(String line) throws IOException {
try
{
if (_dataSourceFilter != null)
return _dataSourceFilter.filter(line);
}
catch(Exception e)
{
throw new IOException(e.getMessage(),e);
}
// Try to create directly.
try {
return new FastJSONObject(line);
} catch (JSONException e) {
throw new IOException(e.getMessage(),e);
}
}
}