jp.co.yahoo.yosegi.message.parser.hive.HiveStringPrimitiveConverter Maven / Gradle / Ivy
/**
* 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.
*/
package jp.co.yahoo.yosegi.message.parser.hive;
import jp.co.yahoo.yosegi.message.objects.BytesStringObj;
import jp.co.yahoo.yosegi.message.objects.NullObj;
import jp.co.yahoo.yosegi.message.objects.PrimitiveObject;
import org.apache.hadoop.hive.serde2.objectinspector.primitive.StringObjectInspector;
import org.apache.hadoop.io.Text;
import java.io.IOException;
import java.nio.charset.Charset;
public class HiveStringPrimitiveConverter implements IHivePrimitiveConverter {
private final StringObjectInspector inspector;
public HiveStringPrimitiveConverter( final StringObjectInspector inspector ) {
this.inspector = inspector;
}
@Override
public PrimitiveObject get(final Object target ) throws IOException {
if ( target == null ) {
return NullObj.getInstance();
}
Text text = inspector.getPrimitiveWritableObject( target );
byte[] data = new byte[text.getLength() ];
System.arraycopy( text.getBytes() , 0 , data , 0 , data.length );
return new BytesStringObj( data );
}
}