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/**
 * Copyright (C) 2016 Hurence ([email protected])
 *
 * 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 com.caseystella.analytics.converters;

import com.caseystella.analytics.converters.csv.CSVConverter;
import com.caseystella.analytics.converters.primitive.DateConverter;
import com.caseystella.analytics.converters.primitive.PrimitiveConverter;

import java.util.HashMap;
import java.util.Map;

public class Converters {

    private static Map> _mappingConverters = new HashMap>() {{
        put(CSVConverter.class.getSimpleName(), CSVConverter.class);
        put(DateConverter.class.getSimpleName(), DateConverter.DateMappingConverter.class);
        put(PrimitiveConverter.class.getSimpleName(), PrimitiveConverter.PrimitiveMappingConverter.class);
        put(NOOP.class.getSimpleName(), NOOP.class);
    }};

    private static Map> _timestampConverters = new HashMap>() {{
        put(DateConverter.class.getSimpleName(), DateConverter.DateTimestampConverter.class);
        put(PrimitiveConverter.class.getSimpleName(), PrimitiveConverter.PrimitiveTimestampConverter.class);
    }};

    private static Map> _measurementConverters = new HashMap>() {{
        put(PrimitiveConverter.class.getSimpleName(), PrimitiveConverter.PrimitiveMeasurementConverter.class);
    }};
    public static MappingConverter getMappingConverter(String converter) throws ClassNotFoundException, IllegalAccessException, InstantiationException {
        return getConverter(converter, _mappingConverters);
    }
    public static TimestampConverter getTimestampConverter(String converter) throws ClassNotFoundException, IllegalAccessException, InstantiationException {
        return getConverter(converter, _timestampConverters);
    }
    public static MeasurementConverter getMeasurementConverter(String converter) throws ClassNotFoundException, IllegalAccessException, InstantiationException {
        return getConverter(converter, _measurementConverters);
    }
    private static  T getConverter(String converter, Map> converters) throws ClassNotFoundException, IllegalAccessException, InstantiationException {
        Class clazz = converters.get(converter);
        if(clazz == null) {
            clazz = (Class) Converters.class.forName(converter);
        }
        return clazz.newInstance();
    }
}




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