/***********************************************************************************************************************
* Copyright (C) 2010-2013 by the Stratosphere project (http://stratosphere.eu)
*
* 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 eu.stratosphere.types.parser;
import eu.stratosphere.types.FloatValue;
/**
* Parses a text field into a {@link FloatValue}
*/
public class DecimalTextFloatParser extends FieldParser<FloatValue> {
private FloatValue result;
@Override
public int parseField(byte[] bytes, int startPos, int limit, char delim, FloatValue reusable) {
int i = startPos;
final byte delByte = (byte) delim;
while (i < limit && bytes[i] != delByte) {
i++;
}
String str = new String(bytes, startPos, i-startPos);
try {
float value = Float.parseFloat(str);
reusable.setValue(value);
this.result = reusable;
return (i == limit) ? limit : i+1;
}
catch (NumberFormatException e) {
setErrorState(ParseErrorState.NUMERIC_VALUE_FORMAT_ERROR);
return -1;
}
}
@Override
public FloatValue createValue() {
return new FloatValue();
}
@Override
public FloatValue getLastResult() {
return this.result;
}
}