com.tngtech.configbuilder.annotation.valueextractor.CommandLineValueProcessor Maven / Gradle / Ivy

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The Config Builder creates fully configured instances of config classes, using values from various sources like properties files, command line arguments etc.

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package com.tngtech.configbuilder.annotation.valueextractor;


import com.tngtech.configbuilder.configuration.BuilderConfiguration;
import com.tngtech.configbuilder.util.ConfigBuilderFactory;

import java.lang.annotation.Annotation;

/**
 * Processes CommandLineValue annotations, implements ValueExtractorProcessor
 */
public class CommandLineValueProcessor implements ValueExtractorProcessor {

    public String getValue(Annotation annotation, ConfigBuilderFactory configBuilderFactory) {
        BuilderConfiguration builderConfiguration = configBuilderFactory.getInstance(BuilderConfiguration.class);
        
        if (((CommandLineValue) annotation).hasArg()) {
            return builderConfiguration.getCommandLine().getOptionValue(((CommandLineValue) annotation).shortOpt());
        } else {
            return String.valueOf(builderConfiguration.getCommandLine().hasOption(((CommandLineValue) annotation).shortOpt()) || builderConfiguration.getCommandLine().hasOption(((CommandLineValue) annotation).longOpt()));
        }
    }
}