org.apache.tika.parser.jdbc.SQLite3TableReader Maven / Gradle / Ivy
package org.apache.tika.parser.jdbc;
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
import javax.sql.rowset.serial.SerialBlob;
import java.io.IOException;
import java.sql.Blob;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import org.apache.tika.metadata.Metadata;
import org.apache.tika.parser.ParseContext;
import org.xml.sax.ContentHandler;
import org.xml.sax.SAXException;
/**
* Concrete class for SQLLite table parsing. This overrides
* column type handling from JDBCRowHandler.
*
* For now, this silently skips cells of type CLOB, because xerial's jdbc connector
* does not currently support them.
*/
class SQLite3TableReader extends JDBCTableReader {
public SQLite3TableReader(Connection connection, String tableName, ParseContext context) {
super(connection, tableName, context);
}
/**
* No-op for now in {@link SQLite3TableReader}.
*
* @param tableName
* @param fieldName
* @param rowNum
* @param resultSet
* @param columnIndex
* @param handler
* @param context
* @throws java.sql.SQLException
* @throws java.io.IOException
* @throws org.xml.sax.SAXException
*/
@Override
protected void handleClob(String tableName, String fieldName, int rowNum,
ResultSet resultSet, int columnIndex,
ContentHandler handler, ParseContext context) throws SQLException, IOException, SAXException {
//no-op for now.
}
@Override
protected Blob getBlob(ResultSet resultSet, int columnIndex, Metadata m) throws SQLException {
byte[] bytes = resultSet.getBytes(columnIndex);
if (!resultSet.wasNull()) {
return new SerialBlob(bytes);
}
return null;
}
}