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package eu.etaxonomy.cdm.jaxb;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import javax.xml.bind.annotation.adapters.XmlAdapter;
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import org.joda.time.DateTimeFieldType;
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import org.joda.time.Partial;
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public class PartialAdapter extends XmlAdapter<String, Partial> {
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protected static Pattern PATTERN;
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private static String REGEX = "^(\\d{4})(?:\\-(\\d{1,2})(?:\\-(\\d{1,2})(?:T(\\d{2})(?:\\:(\\d{2})(?:\\:(\\d{2})(?:\\.(\\d+))?)?)?)?)?)?$";
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static {
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PATTERN = Pattern.compile(REGEX);
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}
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@Override
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public String marshal(Partial partial) throws Exception {
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StringBuilder stringBuilder = new StringBuilder();
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int[] values = partial.getValues();
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switch(values.length) {
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case 7:
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stringBuilder.append("." + values[6]);
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case 6:
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stringBuilder.insert(0,":" + values[5]);
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case 5:
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stringBuilder.insert(0,":" + values[4]);
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case 4:
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stringBuilder.insert(0, "T" + values[3]);
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case 3:
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stringBuilder.insert(0, "-" + values[2]);
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case 2:
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stringBuilder.insert(0, "-" + values[1]);
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case 1:
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stringBuilder.insert(0, values[0]);
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}
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return stringBuilder.toString();
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}
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@Override
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public Partial unmarshal(String string) throws Exception {
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Matcher matcher = PATTERN.matcher(string);
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if(matcher.matches()) {
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int nonNullGroups = 0;
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for(int i = 1; i <= matcher.groupCount(); i++) {
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if(matcher.group(i) != null)
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nonNullGroups++;
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}
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DateTimeFieldType[] dateTimeFieldTypes = new DateTimeFieldType[nonNullGroups];
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int[] values = new int[nonNullGroups];
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switch(nonNullGroups) {
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case 7:
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dateTimeFieldTypes[6] = DateTimeFieldType.millisOfSecond();
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values[6] = Integer.parseInt(matcher.group(7));
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case 6:
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dateTimeFieldTypes[5] = DateTimeFieldType.secondOfMinute();
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values[5] = Integer.parseInt(matcher.group(6));
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case 5:
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dateTimeFieldTypes[4] = DateTimeFieldType.minuteOfHour();
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values[4] = Integer.parseInt(matcher.group(5));
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case 4:
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dateTimeFieldTypes[3] = DateTimeFieldType.hourOfDay();
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values[3] = Integer.parseInt(matcher.group(4));
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case 3:
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dateTimeFieldTypes[2] = DateTimeFieldType.dayOfMonth();
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values[2] = Integer.parseInt(matcher.group(3));
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case 2:
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dateTimeFieldTypes[1] = DateTimeFieldType.monthOfYear();
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values[1] = Integer.parseInt(matcher.group(2));
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case 1:
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dateTimeFieldTypes[0] = DateTimeFieldType.year();
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values[0] = Integer.parseInt(matcher.group(1));
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}
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return new Partial(dateTimeFieldTypes, values);
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} else {
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throw new RuntimeException("Could not parse " + string + " with regex " + PartialAdapter.REGEX);
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}
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}
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}
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