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/**
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*
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*/
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package eu.etaxonomy.cdm.common;
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import java.util.regex.Pattern;
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import org.apache.log4j.Logger;
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/**
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* @author a.mueller
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* @since 2013-Aug-02
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*/
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public class GeneralParser {
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@SuppressWarnings("unused")
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private static final Logger logger = Logger.getLogger(GeneralParser.class);
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static String isbnPatternStr = "^(ISBN\\s*)?(\\d-?){9}((\\d-?){3})?(\\d|X)$";
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static Pattern isbnPattern;
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/**
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* Checks if a string follows the ISBN pattern (10 and 13 digits). It does not check the
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* checksum of an isbn (http://en.wikipedia.org/wiki/International_Standard_Book_Number#ISBN-13_check_digit_calculation).
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* We may implement this separately as sometimes additional checksum validation is unwanted.
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* @param isbn
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* @return
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*/
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public static boolean isIsbn(String isbn){
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// if (isbnPattern == null){
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// isbnPattern = Pattern.compile(isbnPatternStr);
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// }
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// Matcher matcher = isbnPattern.matcher(isbn);
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if (isbn == null){
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return false;
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}else{
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return isbn.matches(isbnPatternStr);
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}
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}
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}
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