58 lines
2.1 KiB
Java
58 lines
2.1 KiB
Java
package org.gcube.application.geoportal.service.utils;
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import com.fasterxml.jackson.core.JsonProcessingException;
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import com.fasterxml.jackson.databind.DeserializationFeature;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.fasterxml.jackson.databind.SerializationFeature;
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import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
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import org.bson.Document;
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import org.gcube.application.geoportal.common.model.rest.QueryRequest;
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import java.io.IOException;
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import java.time.format.DateTimeFormatter;
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import java.util.Iterator;
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public class Serialization {
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public static final DateTimeFormatter FULL_FORMATTER=DateTimeFormatter.ofPattern("uuuuMMdd_HH-mm-ss");
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public static ObjectMapper mapper;
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static {
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mapper=new ObjectMapper();
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mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES,false);
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mapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false);
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mapper.registerModule(new JavaTimeModule());
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}
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public static <T> T read(String jsonString,Class<T> clazz) throws JsonProcessingException, IOException {
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return mapper.readerFor(clazz).readValue(jsonString);
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}
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public static <T> Iterator<T> readCollection(String jsonString, Class<T> clazz) throws IOException {
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return mapper.readerFor(clazz).readValues(jsonString);
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}
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public static String write(Object toWrite) throws JsonProcessingException {
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String toReturn= mapper.writeValueAsString(toWrite);
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return toReturn;
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}
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public static QueryRequest parseQuery(String queryString) throws IOException {
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Document queryDocument = Document.parse(queryString);
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QueryRequest req = new QueryRequest();
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if (queryDocument.containsKey("ordering"))
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req.setOrdering(Serialization.read(((Document) queryDocument.get("ordering")).toJson(), QueryRequest.OrderedRequest.class));
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if (queryDocument.containsKey("paging"))
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req.setPaging(Serialization.read(((Document) queryDocument.get("paging")).toJson(), QueryRequest.PagedRequest.class));
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req.setProjection(queryDocument.get("projection", Document.class));
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req.setFilter(queryDocument.get("filter", Document.class));
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return req;
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}
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}
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