/*
    * Copyright 2001-2005 The Apache Software Foundation.
    *
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    *      http://www.apache.org/licenses/LICENSE-2.0
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.logging.log4j.catalog.api.plugins;
  
  import java.io.IOException;
  
  import com.fasterxml.jackson.core.JsonParser;
  import com.fasterxml.jackson.core.JsonProcessingException;
  import com.fasterxml.jackson.databind.DeserializationContext;
  import com.fasterxml.jackson.databind.JsonNode;
  import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
  import org.apache.logging.log4j.catalog.api.ConstraintType;
  import org.apache.logging.log4j.catalog.api.exception.NameNotFoundException;
  
  /**
   *
   */
  public class ConstraintTypeDeserializer extends StdDeserializer<ConstraintType> {
  
      ConstraintPlugins plugins = ConstraintPlugins.getInstance();
  
      public ConstraintTypeDeserializer() {
          this(null);
      }
  
      public ConstraintTypeDeserializer(Class<?> vc) {
          super(vc);
      }
  
      @Override
      public ConstraintType deserialize(JsonParser jp, DeserializationContext ctxt)
              throws IOException, JsonProcessingException {
          JsonNode node = jp.getCodec().readTree(jp);
          String name = node.get("name").textValue();
          ConstraintType type = plugins.findByName(name);
          if (type == null) {
              throw new NameNotFoundException("Unable to locate plugin for constraint type " + name);
          }
          return type;
      }
  }