forked from D-Net/dnet-hadoop
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70 lines
1.3 KiB
Java
70 lines
1.3 KiB
Java
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package eu.dnetlib.dhp.schema.common;
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import java.util.Comparator;
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import eu.dnetlib.dhp.schema.oaf.Qualifier;
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public class LicenseComparator implements Comparator<Qualifier> {
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@Override
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public int compare(Qualifier left, Qualifier right) {
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if (left == null && right == null)
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return 0;
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if (left == null)
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return 1;
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if (right == null)
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return -1;
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String lClass = left.getClassid();
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String rClass = right.getClassid();
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if (lClass.equals(rClass))
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return 0;
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if (lClass.equals("OPEN SOURCE"))
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return -1;
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if (rClass.equals("OPEN SOURCE"))
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return 1;
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if (lClass.equals("OPEN"))
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return -1;
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if (rClass.equals("OPEN"))
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return 1;
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if (lClass.equals("6MONTHS"))
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return -1;
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if (rClass.equals("6MONTHS"))
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return 1;
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if (lClass.equals("12MONTHS"))
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return -1;
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if (rClass.equals("12MONTHS"))
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return 1;
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if (lClass.equals("EMBARGO"))
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return -1;
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if (rClass.equals("EMBARGO"))
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return 1;
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if (lClass.equals("RESTRICTED"))
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return -1;
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if (rClass.equals("RESTRICTED"))
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return 1;
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if (lClass.equals("CLOSED"))
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return -1;
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if (rClass.equals("CLOSED"))
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return 1;
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if (lClass.equals("UNKNOWN"))
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return -1;
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if (rClass.equals("UNKNOWN"))
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return 1;
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// Else (but unlikely), lexicographical ordering will do.
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return lClass.compareTo(rClass);
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}
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}
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