es.us.isa.sedl.marshaller.renderers.LevelRenderer.java Source code

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Here is the source code for es.us.isa.sedl.marshaller.renderers.LevelRenderer.java

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package es.us.isa.sedl.marshaller.renderers;

import es.us.isa.sedl.core.design.Level;
import java.util.Locale;
import org.apache.commons.lang3.StringUtils;

/**
 *
 * @author Jos Antonio Parejo
 */
public class LevelRenderer extends Renderer<Level> {

    private static final LevelRenderer instance = new LevelRenderer();

    private LevelRenderer() {
    }

    public static LevelRenderer getInstance() {
        return instance;
    }

    @Override
    public String render(Level level, String format, Locale locale) {
        String result = level.getValue();
        if (isString(result))
            result = "\"" + result + "\"";
        return result;
    }

    private boolean isString(String result) {
        return !isNumber(result) && !isBoolean(result) && !isObject(result);
    }

    private boolean isNumber(String result) {
        return StringUtils.isNumeric(result);
    }

    private boolean isBoolean(String result) {
        return "true".equalsIgnoreCase(result) || "false".equalsIgnoreCase(result);
    }

    private boolean isObject(String result) {
        return result.contains("(") && result.contains(":") && result.endsWith(")");
    }

}