124 lines
3.4 KiB
Java
124 lines
3.4 KiB
Java
package eu.dnetlib.miscutils.functional.xml;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.GregorianCalendar;
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import java.util.Random;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import com.google.common.base.Joiner;
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import eu.dnetlib.miscutils.functional.hash.Hashing;
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import org.apache.commons.lang3.StringUtils;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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/**
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* This class provides some XSLT functions.
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*
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* <xsl:stylesheet ... xmlns:dnet="eu.dnetlib.miscutils.functional.xml.DnetXsltFunctions"> ... </xsl:stylesheet>
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*
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* @author michele
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*
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*/
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public class DnetXsltFunctions {
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private static final Log log = LogFactory.getLog(DnetXsltFunctions.class); // NOPMD by marko on 11/24/08 5:02 PM
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private static volatile long seedUniquifier = 8682522807148012L;
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private static String[] dateFormats = { "yyyy-MM-dd", "yyyy/MM/dd" };
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private static final String[] normalizeDateFormats = { "yyyy-MM-dd'T'hh:mm:ss", "yyyy-MM-dd", "yyyy/MM/dd", "yyyy" };
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private static final String normalizeOutFormat = new String("yyyy-MM-dd'T'hh:mm:ss'Z'");
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public static String extractYear(String s) throws ParseException {
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Calendar c = new GregorianCalendar();
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for (String format : dateFormats) {
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try {
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c.setTime(new SimpleDateFormat(format).parse(s));
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String year = String.valueOf(c.get(Calendar.YEAR));
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return year;
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} catch (ParseException e) {}
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}
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return "";
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}
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public static String normalizeDate(final String s, final boolean strict) {
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final String date = s != null ? s.trim() : "";
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for (String format : normalizeDateFormats) {
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try {
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Date parse = new SimpleDateFormat(format).parse(date);
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String res = new SimpleDateFormat(normalizeOutFormat).format(parse);
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return res;
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} catch (ParseException e) {}
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}
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if (strict) {
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throw new IllegalArgumentException("unable to normalize date: " + date);
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} else {
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//log.warn("unable to normalize date: " + s);
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return "";
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}
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}
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public static String randomInt(int max) {
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return String.valueOf(new Random(++seedUniquifier + System.nanoTime()).nextInt(max));
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}
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public static String md5(String s) {
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return Hashing.md5(s);
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}
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public static String decodeBase64(String s) {
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return Hashing.decodeBase64(s);
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}
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public static String encodeBase64(String s) {
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return Hashing.encodeBase64(s);
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}
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public static String lc(String s) {
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return s.toLowerCase();
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}
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public static String uc(String s) {
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return s.toUpperCase();
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}
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public static String decade(String s) {
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String res = _decade(s.trim());
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log.debug(s + "--> " + res);
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return res;
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}
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private static String _decade(String s) {
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Matcher m1 = Pattern.compile("(\\d\\d\\d)\\d").matcher(s);
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if (m1.find()) {
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String part = m1.group(1);
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return part + "0-" + part + "9";
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}
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Matcher m2 = Pattern.compile("(\\d)\\d").matcher(s);
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if (m2.find()) {
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String part = m2.group(1);
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return "19" + part + "0-19" + part + "9";
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}
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return "n/a";
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}
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public static String join(final String s1, final String separator, final String s2) {
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if(StringUtils.isBlank(s1) || StringUtils.isBlank(s2)){
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return "";
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}
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return Joiner.on(separator).join(s1, s2);
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}
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public static String pickFirst(final String s1, final String s2) {
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return StringUtils.isNotBlank(s1) ? s1 : StringUtils.isNotBlank(s2) ? s2 : "";
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}
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}
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