dnet-dedup/dnet-pace-core/src/main/java/eu/dnetlib/pace/model/gt/GTAuthorOafSerialiser.java

105 lines
3.3 KiB
Java

package eu.dnetlib.pace.model.gt;
import java.lang.reflect.Type;
import com.google.common.base.Function;
import com.google.common.base.Joiner;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParseException;
public class GTAuthorOafSerialiser implements JsonDeserializer<GTAuthor> {
private static final String VALUE = "value";
private static final String SECONDNAMES = "secondnames";
private static final String FIRSTNAME = "firstname";
private static final String FULLNAME = "fullname";
private static final String ID = "id";
private static final String MERGEDPERSON = "mergedperson";
private static final String METADATA = "metadata";
private static final String ANCHOR_ID = "anchorId";
private static final String COAUTHOR = "coauthor";
@Override
public GTAuthor deserialize(final JsonElement json, final Type typeOfT, final JsonDeserializationContext context) throws JsonParseException {
final GTAuthor gta = new GTAuthor();
gta.setAuthor(getAuthor(json));
gta.setMerged(getMerged(json));
gta.setCoAuthors(getCoAuthors(json));
return gta;
}
private CoAuthors getCoAuthors(final JsonElement json) {
final JsonObject obj = json.getAsJsonObject();
if (!obj.has(COAUTHOR)) return null;
return new CoAuthors(Lists.newArrayList(Iterables.transform(obj.get(COAUTHOR).getAsJsonArray(),
new Function<JsonElement, CoAuthor>() {
@Override
public CoAuthor apply(final JsonElement in) {
final CoAuthor a = new CoAuthor(getAuthor(in));
final JsonObject jsonObject = in.getAsJsonObject();
if (jsonObject.has(ANCHOR_ID)) {
a.setAnchorId(jsonObject.get(ANCHOR_ID).getAsString());
}
return a;
}
})));
}
private Author getAuthor(final JsonElement json) {
final Author a = new Author();
a.setCoauthors(null);
a.setMatches(null);
final JsonObject jso = json.getAsJsonObject();
a.setId(jso.has(ID) ? jso.get(ID).getAsString() : null);
final JsonObject jsonObject = json.getAsJsonObject();
if (jsonObject.has(METADATA)) {
final JsonObject m = jsonObject.get(METADATA).getAsJsonObject();
a.setFullname(getValue(m, FULLNAME));
a.setFirstname(getValue(m, FIRSTNAME));
a.setSecondnames(getValues(m, SECONDNAMES));
}
return a;
}
private Authors getMerged(final JsonElement json) {
final JsonObject obj = json.getAsJsonObject();
if (!obj.has(MERGEDPERSON)) return null;
return new Authors(Lists.newArrayList(Iterables.transform(obj.get(MERGEDPERSON).getAsJsonArray(),
new Function<JsonElement, Author>() {
@Override
public Author apply(final JsonElement in) {
return getAuthor(in);
}
})));
}
private String getValues(final JsonObject m, final String fieldName) {
return m.has(fieldName) ? Joiner.on(" ").join(Iterables.transform(m.get(fieldName).getAsJsonArray(), new Function<JsonElement, String>() {
@Override
public String apply(final JsonElement in) {
return in.getAsJsonObject().get(VALUE).getAsString();
}
})) : null;
}
private String getValue(final JsonObject m, final String fieldName) {
return m.has(fieldName) ? m.get(fieldName).getAsJsonObject().get(VALUE).getAsString() : null;
}
}