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A small library for NLP Interchange Format (NIF) — Edit

There is a newer version: 0.4.1

package org.nlp2rdf.bean;


import com.google.common.hash.Hashing;
import org.nlp2rdf.nif20.NIF20Format;
import org.nlp2rdf.nif21.NIF21Format;

public class NIFContext {

    private String baseURI;

    private int beginIndex;

    private int endIndex;

    public NIFContext(String baseURI, Integer beginIndex, Integer endIndex) {
        this.baseURI = baseURI;
        this.beginIndex = beginIndex;
        this.endIndex = endIndex;
        formatBaseURI();
    }

    public NIFContext(String baseURI) {
        this.baseURI = baseURI;
        formatBaseURI();
    }

    private void formatBaseURI() {
        if (baseURI != null && !baseURI.isEmpty() &&
                !"/".equals(baseURI.substring(baseURI.length() - 1))) {
            baseURI = baseURI.concat("/");
        }
    }

    public String context(String format) {

        formatBaseURI();

        if (beginIndex == 0 && endIndex == 0) {
            return baseURI;
        }

        return String.format(format, baseURI, beginIndex, endIndex);
    }

    public String getCollection() {
        return String.format("%s#collection", baseURI);
    }

    public Integer getBeginIndex() {
        return beginIndex;
    }

    public Integer getEndIndex() {
        return endIndex;
    }

    public String getNIF20() {
        return context(NIF20Format.CONTEXT_FORMAT);
    }

    public String getNIF20id() {
        return Hashing.md5().hashBytes(getNIF20().getBytes()).toString();
    }

    public String getNIF21() {
        return context(NIF21Format.CONTEXT_FORMAT);
    }

    public String getNIF21id() {
        return Hashing.md5().hashBytes(getNIF21().getBytes()).toString();
    }
}