BetweenIndexesKeep.java

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package org.talend.dataquality.datamasking.functions;

/**
 * created by jgonzalez on 22 juin 2015. This class is used when the requested function is BetweenIndexesKeep. It will
 * return a new String that only contains the input elements that are between the bounds given as parameter.
 *
 */
public class BetweenIndexesKeep extends BetweenIndexes {

    private static final long serialVersionUID = 1913164034646800125L;

    @Override
    protected void initAttributes() {
        beginIndex = Integer.parseInt(parameters[0]) - 1;
        endIndex = Integer.parseInt(parameters[1]);
        toRemove = true;
    }

    @Override
    protected String doGenerateMaskedField(String str) {
        if (!isValidParameters || str == null)
            return getDefaultOutput();
        if (endIndex > str.length())
            return getDefaultOutput();
        return str.substring(beginIndex, endIndex);
    }

    @Override
    protected boolean validParameters() {
        return CharactersOperationUtils.validParameters2Indexes(parameters);
    }
}