git.aero2k.de Git - tmp/jakarta-migration.git/blob

   1 package org.collectionspace.authentication.jackson2;
   2
   3 import java.io.IOException;
   4 import java.util.Set;
   5
   6 import org.collectionspace.authentication.CSpaceTenant;
   7 import org.collectionspace.authentication.CSpaceUser;
   8 import org.springframework.security.core.GrantedAuthority;
   9 import org.springframework.security.core.authority.SimpleGrantedAuthority;
  10
  11 import com.fasterxml.jackson.core.JsonParser;
  12 import com.fasterxml.jackson.core.JsonProcessingException;
  13 import com.fasterxml.jackson.core.type.TypeReference;
  14 import com.fasterxml.jackson.databind.DeserializationContext;
  15 import com.fasterxml.jackson.databind.JsonDeserializer;
  16 import com.fasterxml.jackson.databind.JsonNode;
  17 import com.fasterxml.jackson.databind.ObjectMapper;
  18 import com.fasterxml.jackson.databind.node.MissingNode;
  19
  20 public class CSpaceUserDeserializer extends JsonDeserializer<CSpaceUser> {
  21         private static final TypeReference<Set<SimpleGrantedAuthority>> SIMPLE_GRANTED_AUTHORITY_SET = new TypeReference<Set<SimpleGrantedAuthority>>() {
  22         };
  23
  24   private static final TypeReference<Set<CSpaceTenant>> CSPACE_TENANT_SET = new TypeReference<Set<CSpaceTenant>>() {
  25         };
  26
  27         @Override
  28         public CSpaceUser deserialize(JsonParser parser, DeserializationContext context) throws IOException, JsonProcessingException {
  29                 ObjectMapper mapper = (ObjectMapper) parser.getCodec();
  30                 JsonNode jsonNode = mapper.readTree(parser);
  31
  32                 Set<? extends GrantedAuthority> authorities = mapper.convertValue(jsonNode.get("authorities"), SIMPLE_GRANTED_AUTHORITY_SET);
  33                 Set<CSpaceTenant> tenants = mapper.convertValue(jsonNode.get("tenants"), CSPACE_TENANT_SET);
  34
  35                 JsonNode passwordNode = readJsonNode(jsonNode, "password");
  36                 String username = readJsonNode(jsonNode, "username").asText();
  37                 String password = passwordNode.asText("");
  38                 String salt = readJsonNode(jsonNode, "salt").asText();
  39
  40                 CSpaceUser result = new CSpaceUser(username, password, salt, tenants,   authorities);
  41
  42                 if (passwordNode.asText(null) == null) {
  43                         result.eraseCredentials();
  44                 }
  45
  46                 return result;
  47         }
  48
  49         private JsonNode readJsonNode(JsonNode jsonNode, String field) {
  50                 return jsonNode.has(field) ? jsonNode.get(field) : MissingNode.getInstance();
  51         }
  52 }