D-Net

package eu.dnetlib.data.bulktag;

import com.google.common.collect.Lists;

import com.google.common.collect.Maps;

import com.google.gson.Gson;

import org.apache.commons.lang3.StringUtils;

import org.apache.commons.logging.Log;

import org.apache.commons.logging.LogFactory;

import org.dom4j.Document;

import org.dom4j.DocumentException;

import org.dom4j.Node;

import org.dom4j.io.SAXReader;

import java.io.StringReader;

import java.util.ArrayList;

import java.util.List;

import java.util.Map;

/**

 * Created by miriam on 03/08/2018.

 */

public class CommunityConfigurationFactory {

    private static final Log log = LogFactory.getLog(CommunityConfigurationFactory.class);

    public static CommunityConfiguration newInstance(final String xml) throws DocumentException {

        log.debug(String.format("parsing community configuration from:\n%s", xml));

        final Document doc = new SAXReader().read(new StringReader(xml));

        final Map<String,Community> communities = Maps.newHashMap();

        for(final Object o : doc.selectNodes("//community")) {

            final Node node = (Node) o;

            final Community community = parseCommunity(node);

            if (community.isValid()) {

                communities.put(community.getId(), community);

            }

        }

        log.info(String.format("loaded %s community configuration profiles", communities.size()));

        log.debug(String.format("loaded community configuration:\n%s", communities.toString()));

        return new CommunityConfiguration(communities);

    }

    public static CommunityConfiguration fromJson(final String json) {

        return new Gson().fromJson(json, CommunityConfiguration.class);

    }

    private static Community parseCommunity(final Node node) {

        final Community c = new Community();

        c.setId(node.valueOf("./@id"));

        log.info(String.format("community id: %s", c.getId()));

        c.setSubjects(parseSubjects(node));

        c.setDatasources(parseDatasources(node));

        c.setZenodoCommunities(parseZenodoCommunities(node));

        return c;

    }

    private static List<String> parseSubjects(final Node node) {

        final List<String> subjects = Lists.newArrayList();

        final List <Node> list = node.selectNodes("./subjects/subject");

        for(Node n : list){

            log.debug("text of the node " + n.getText());

            subjects.add(StringUtils.trim(n.getText()));

        }

        log.info("size of the subject list " + subjects.size());

        return subjects;

    }

    private static List<Datasource> parseDatasources(final Node node) {

        final List <Node> list = node.selectNodes("./datasources/datasource");

        final List<Datasource> datasourceList = new ArrayList<>();

        for(Node n : list){

            Datasource d = new Datasource();

            d.setOpenaireId(n.selectSingleNode("./openaireId").getText());

            d.setSelCriteria(new SelectionCriteria(n.selectSingleNode("./selcriteria")));

            datasourceList.add(d);

        }

        log.info("size of the datasource list " + datasourceList.size());

        return datasourceList;

    }

    private static List<ZenodoCommunity> parseZenodoCommunities(final Node node) {

        final List<Node> list = node.selectNodes("./zenodocommunities/zenodocommunity");

        final List<ZenodoCommunity> zenodoCommunityList = new ArrayList<>();

        for(Node n : list){

            ZenodoCommunity zc = new ZenodoCommunity();

            zc.setZenodoCommunityId(n.selectSingleNode("./zenodoid").getText());

            zc.setSelCriteria(new SelectionCriteria(n.selectSingleNode("./selcriteria")));

            zenodoCommunityList.add(zc);

        }

        log.info("size of the zenodo community list " + zenodoCommunityList.size());

        return zenodoCommunityList;

    }

}