com.crosstreelabs.cognitio.common.CommanderClassConverter.java Source code

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Here is the source code for com.crosstreelabs.cognitio.common.CommanderClassConverter.java

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/*
 * Copyright 2015 Crosstree Labs.
 *
 * 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.crosstreelabs.cognitio.common;

import com.beust.jcommander.converters.BaseConverter;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class CommanderClassConverter extends BaseConverter<Class> {
    private static final Logger LOGGER = LoggerFactory.getLogger(CommanderClassConverter.class);

    public CommanderClassConverter(String optionName) {
        super(optionName);
    }

    @Override
    public Class convert(String value) {
        if (StringUtils.isBlank(value)) {
            return null;
        }

        try {
            return Class.forName(value);
        } catch (ClassNotFoundException ex) {
            LOGGER.warn("{}", ex.getMessage());
        }
        return null;
    }

}