42 lines
1.6 KiB
Java
42 lines
1.6 KiB
Java
package org.gcube.common.keycloak.model.util;
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import java.io.IOException;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.Map;
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import org.gcube.com.fasterxml.jackson.core.JsonParser;
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import org.gcube.com.fasterxml.jackson.databind.DeserializationContext;
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import org.gcube.com.fasterxml.jackson.databind.JsonDeserializer;
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import org.gcube.com.fasterxml.jackson.databind.JsonNode;
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import org.gcube.com.fasterxml.jackson.databind.node.ArrayNode;
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public class StringListMapDeserializer extends JsonDeserializer<Object> {
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@Override
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public Object deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) throws IOException {
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JsonNode jsonNode = jsonParser.readValueAsTree();
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Iterator<Map.Entry<String, JsonNode>> itr = jsonNode.fields();
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Map<String, List<String>> map = new HashMap<>();
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while (itr.hasNext()) {
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Map.Entry<String, JsonNode> e = itr.next();
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List<String> values = new LinkedList<>();
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if (!e.getValue().isArray()) {
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values.add((e.getValue().isNull()) ? null : e.getValue().asText());
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} else {
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ArrayNode a = (ArrayNode) e.getValue();
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Iterator<JsonNode> vitr = a.elements();
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while (vitr.hasNext()) {
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JsonNode node = vitr.next();
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values.add((node.isNull() ? null : node.asText()));
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}
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}
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map.put(e.getKey(), values);
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}
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return map;
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}
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}
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