Default.java

package net.sf.jabref.export.layout.format;

import net.sf.jabref.export.layout.ParamLayoutFormatter;

/**
 * Layout formatter that puts in a default value (given as argument) if the field is empty.
 * Empty means null or an empty string.
 */
public class Default implements ParamLayoutFormatter {

    String defValue = "";

    public void setArgument(String arg) {
        this.defValue = arg;
    }

    public String format(String fieldText) {
        return fieldText != null && (fieldText.length() > 0) ? fieldText : defValue;
    }
}