57 lines
1.8 KiB
Java
57 lines
1.8 KiB
Java
package eu.eudat.file.transformer.service.json;
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import com.fasterxml.jackson.core.JsonProcessingException;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.fasterxml.jackson.databind.ObjectReader;
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import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
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import org.springframework.beans.factory.config.ConfigurableBeanFactory;
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import org.springframework.context.annotation.Scope;
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import org.springframework.stereotype.Component;
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import java.util.HashMap;
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import java.util.Map;
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@Component
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@Scope(value = ConfigurableBeanFactory.SCOPE_SINGLETON)
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public class JsonHandlingService {
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private final ObjectMapper objectMapper;
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public JsonHandlingService() {
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this.objectMapper = new ObjectMapper();
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objectMapper.registerModule(new JavaTimeModule());
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}
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public String toJson(Object item) throws JsonProcessingException {
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if (item == null) return null;
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return objectMapper.writeValueAsString(item);
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}
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public String toJsonSafe(Object item) {
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if (item == null) return null;
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try {
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return objectMapper.writeValueAsString(item);
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} catch (Exception ex) {
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return null;
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}
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}
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public <T> T fromJson(Class<T> type, String json) throws JsonProcessingException {
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if (json == null) return null;
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return objectMapper.readValue(json, type);
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}
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public HashMap<String, String> mapFromJson(String json) throws JsonProcessingException {
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ObjectReader reader = objectMapper.readerFor(Map.class);
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return reader.readValue(json);
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}
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public <T> T fromJsonSafe(Class<T> type, String json) {
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if (json == null) return null;
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try {
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return objectMapper.readValue(json, type);
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} catch (Exception ex) {
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return null;
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}
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}
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}
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