39 lines
870 B
Java
39 lines
870 B
Java
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package eu.dnetlib.dhp.schema.oaf.utils;
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import org.apache.commons.lang3.StringUtils;
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public class DoiCleaningRule {
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public static String clean(final String doi) {
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return doi
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.toLowerCase()
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.replaceAll("\\s", "")
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.replaceAll("^doi:", "")
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.replaceFirst(CleaningFunctions.DOI_PREFIX_REGEX, CleaningFunctions.DOI_PREFIX);
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}
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public static String normalizeDoi(final String input) {
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if (input == null)
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return null;
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final String replaced = input
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.replaceAll("\\n|\\r|\\t|\\s", "")
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.toLowerCase()
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.replaceFirst(CleaningFunctions.DOI_PREFIX_REGEX, CleaningFunctions.DOI_PREFIX);
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if (StringUtils.isEmpty(replaced))
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return null;
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if (!replaced.contains("10."))
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return null;
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final String ret = replaced.substring(replaced.indexOf("10."));
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if (!ret.startsWith(CleaningFunctions.DOI_PREFIX))
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return null;
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return ret;
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}
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}
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