liquibase.util.csv.opencsv.bean.HeaderColumnNameTranslateMappingStrategy Maven / Gradle / Ivy
package liquibase.util.csv.opencsv.bean;
import java.util.HashMap;
import java.util.Map;
/**
* Copyright 2007,2010 Kyle Miller.
*
* 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.
*/
/**
* Expands on HeaderColumnNameMappingStrategy by allowing the user to pass in a map of column names to
* bean names. This way the fields in the bean do not have to match the fields in the csv file.
*
* @param - class to be mapped.
*/
public class HeaderColumnNameTranslateMappingStrategy extends HeaderColumnNameMappingStrategy {
private Map columnMapping = new HashMap<>();
/**
* Default constructor.
*/
public HeaderColumnNameTranslateMappingStrategy() {
}
/**
* Retrieves the column name for a given column position
*
* @param col - column position.
* @return - The column name.
*/
@Override
public String getColumnName(int col) {
return (col < header.length) ? columnMapping.get(header[col].toUpperCase()) : null;
}
/**
* retrieves the column mappings of the strategy.
* @return - the column mappings of the strategy.
*/
public Map getColumnMapping() {
return columnMapping;
}
/**
* Sets the column mapping to those passed in.
* @param columnMapping - source column mapping.
*/
public void setColumnMapping(Map columnMapping) {
this.columnMapping.clear();
for (Map.Entry entry : columnMapping.entrySet()) {
this.columnMapping.put(entry.getKey().toUpperCase(), entry.getValue());
}
}
}