109 lines
3.5 KiB
Java
109 lines
3.5 KiB
Java
package org.gcube.application.geoportalcommon;
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import javax.xml.bind.JAXBContext;
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import javax.xml.bind.Unmarshaller;
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import org.gcube.application.geoportalcommon.shared.geoportal.materialization.GeoServerPlatformInfoDV;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.fasterxml.jackson.core.JsonParser;
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import com.fasterxml.jackson.core.JsonProcessingException;
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import com.fasterxml.jackson.databind.DeserializationContext;
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import com.fasterxml.jackson.databind.DeserializationFeature;
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import com.fasterxml.jackson.databind.JsonDeserializer;
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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.databind.module.SimpleModule;
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import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
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/**
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* The Class SerializerUtil.
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*
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* @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
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*
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* Sep 26, 2022
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*/
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public class SerializerUtil {
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private static Logger LOG = LoggerFactory.getLogger(SerializerUtil.class);
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private static ObjectMapper mapper;
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private static ObjectMapper mapperXML;
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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.configure(com.fasterxml.jackson.core.JsonParser.Feature.ALLOW_UNQUOTED_FIELD_NAMES, true);
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mapper.registerModule(new JavaTimeModule());
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SimpleModule s = new SimpleModule();
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mapper.registerModule(s);
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}
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/**
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* Read JSON.
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*
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* @param <T> the generic type
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* @param string the string
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* @param clazz the clazz
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* @return the t
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* @throws JsonProcessingException the json processing exception
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* @throws IOException Signals that an I/O exception has occurred.
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*/
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public static <T> T readJSON(String string, Class<T> clazz) throws JsonProcessingException, IOException {
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return mapper.readerFor(clazz).readValue(string);
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}
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/**
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* Unmarshal XML.
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*
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* @param <T> the generic type
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* @param string the string
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* @param theClass the the class
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* @return the class
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* @throws Exception the exception
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*/
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public static <T> T unmarshalXML(String string, Class<T> theClass) throws Exception {
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LOG.debug("unmarshalXML: " + string.trim() + " as class: " + theClass);
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try {
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JAXBContext jaxbContext = JAXBContext.newInstance(theClass);
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Unmarshaller jaxbUnmarshaller = jaxbContext.createUnmarshaller();
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if (string == null || string.length() == 0)
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throw new Exception("Input string is null or empty");
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InputStream stream = new ByteArrayInputStream(string.getBytes());
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T umarshalledObject = (T) jaxbUnmarshaller.unmarshal(stream);
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LOG.debug("returning: " + umarshalledObject);
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return umarshalledObject;
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} catch (Exception e) {
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LOG.error("An error occurred on unmarshalling " + string + "as " + theClass, e);
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return null;
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}
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}
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public static class GeoserverPlaformInfoJsonDeserializer extends JsonDeserializer<GeoServerPlatformInfoDV[]> {
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@Override
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public GeoServerPlatformInfoDV[] deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException, JsonProcessingException {
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LOG.info("Sono qui: " +jp.getValueAsString());
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return jp.readValueAs(GeoServerPlatformInfoDV[].class);
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//return jp.readValueAs(GeoServerPlatformInfoDV[].class);
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//List<GeoServerPlatformInfoDV> listPlatform = jp.readValueAs(new TypeReference<List<GeoServerPlatformInfoDV>>() {});
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}
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}
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}
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