96 lines
2.4 KiB
Java
96 lines
2.4 KiB
Java
package eu.dnetlib.ariadneplus.reader.json;
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import java.util.Iterator;
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import java.util.LinkedHashMap;
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import eu.dnetlib.ariadneplus.reader.RunSPARQLQueryService;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.stereotype.Service;
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import com.jayway.jsonpath.DocumentContext;
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import com.jayway.jsonpath.JsonPath;
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import net.minidev.json.JSONArray;
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import net.minidev.json.JSONObject;
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import net.minidev.json.parser.JSONParser;
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import net.minidev.json.parser.ParseException;
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@Service
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public class ParseRDFJSON {
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private static final Log log = LogFactory.getLog(ParseRDFJSON.class);
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static JSONObject map ;
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@Value("${catalog.entry.path}")
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private String catalogEntryJsonPath;
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@Value("${catalog.entry.collection.path}")
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private String catalogEntryCollectionJsonPath;
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private boolean isCollection = false;
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private String json;
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private Iterator<Object> it ;
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public String getJson() {
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return json;
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}
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public void setJson(String json) throws ParseException {
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this.json = json;
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}
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private void fillMap() throws ParseException {
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map = (JSONObject)(new JSONParser(JSONParser.MODE_PERMISSIVE).parse(json));
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}
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public void parse(String json) throws ParseException {
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setJson(json);
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fillMap();
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DocumentContext jsonContext = JsonPath.parse(json);
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log.debug(getCatalogEntryJsonPath());
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JSONArray entries = jsonContext.read(getCatalogEntryJsonPath());
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int size = entries.size();
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log.debug("num elements in json: "+size);
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it = entries.iterator();
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}
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public boolean hasNextElement(){
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return it.hasNext();
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}
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public LinkedHashMap getNextElement(){
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return (LinkedHashMap)it.next();
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}
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public static JSONObject get(String key){
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return (JSONObject) map.get(key);
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}
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public String getCatalogEntryJsonPath() {
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if (isCollection) {
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return catalogEntryCollectionJsonPath;
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}
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return catalogEntryJsonPath;
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}
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public void setCatalogEntryJsonPath(String catalogEntryJsonPath) {
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this.catalogEntryJsonPath = catalogEntryJsonPath;
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}
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public boolean isCollection() {
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return isCollection;
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}
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public void setCollection(boolean collection) {
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isCollection = collection;
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}
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}
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