content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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.camel.component.jsonapi;
  
  import java.io.InputStream;
  import java.io.OutputStream;
  import java.util.ArrayList;
  import java.util.List;
  
  import com.github.jasminb.jsonapi.JSONAPIDocument;
  import com.github.jasminb.jsonapi.ResourceConverter;
  import org.apache.camel.CamelContext;
  import org.apache.camel.CamelContextAware;
  import org.apache.camel.Exchange;
  import org.apache.camel.spi.DataFormat;
  import org.apache.camel.spi.DataFormatName;
  import org.apache.camel.spi.annotations.Dataformat;
  import org.apache.camel.support.service.ServiceSupport;
  
  /**
   * JSonApi data format for marshal/unmarshal
   */
  @Dataformat("jsonApi")
  public class JsonApiDataFormat extends ServiceSupport implements DataFormat, DataFormatName, CamelContextAware {
  
      private CamelContext camelContext;
  
      private String dataFormatTypes;
      private Class<?>[] dataFormatTypeClasses;
      private String mainFormatType;
      private Class<?> mainFormatTypeClass;
  
      public JsonApiDataFormat() {
      }
  
      public JsonApiDataFormat(Class<?>[] dataFormatTypesClasses) {
          this.dataFormatTypeClasses = dataFormatTypesClasses;
      }
  
      public JsonApiDataFormat(Class<?> mainFormatTypeClass, Class<?>[] dataFormatTypes) {
          this.mainFormatTypeClass = mainFormatTypeClass;
          this.dataFormatTypeClasses = dataFormatTypes;
      }
  
      @Override
      public CamelContext getCamelContext() {
          return camelContext;
      }
  
      @Override
      public void setCamelContext(CamelContext camelContext) {
          this.camelContext = camelContext;
      }
  
      @Override
      public String getDataFormatName() {
          return "jsonApi";
      }
  
      @Override
      public void marshal(Exchange exchange, Object graph, OutputStream stream) throws Exception {
          ResourceConverter converter = new ResourceConverter(dataFormatTypeClasses);
          byte[] objectAsBytes = converter.writeDocument(new JSONAPIDocument<>(graph));
          stream.write(objectAsBytes);
      }
  
      @Override
      public Object unmarshal(Exchange exchange, InputStream stream) throws Exception {
          return unmarshal(exchange, (Object) stream);
      }
  
      @Override
      public Object unmarshal(Exchange exchange, Object body) throws Exception {
          ResourceConverter converter = new ResourceConverter(dataFormatTypeClasses);
  
          JSONAPIDocument<?> doc;
          if (body instanceof byte[] arr) {
              doc = converter.readDocument(arr, mainFormatTypeClass);
          } else {
              InputStream is = exchange.getContext().getTypeConverter().mandatoryConvertTo(InputStream.class, exchange, body);
              doc = converter.readDocument(is, mainFormatTypeClass);
          }
          return doc.get();
      }
  
      public String getDataFormatTypes() {
          return dataFormatTypes;
      }
  
      /**
       * The classes (FQN name) to take into account for the marshalling. Multiple class names can be separated by comma.
       */
      public void setDataFormatTypes(String dataFormatTypes) {
          this.dataFormatTypes = dataFormatTypes;
      }
  
      public Class<?>[] getDataFormatTypeClasses() {
          return dataFormatTypeClasses;
      }
  
      /**
       * The classes to take into account for the marshalling.
       */
      public void setDataFormatTypeClasses(Class<?>[] dataFormatTypeClasses) {
          this.dataFormatTypeClasses = dataFormatTypeClasses;
      }
  
      public String getMainFormatType() {
          return mainFormatType;
      }
  
      /**
       * The class (FQN name) to take into account while unmarshalling
       */
      public void setMainFormatType(String mainFormatType) {
          this.mainFormatType = mainFormatType;
      }
  
      public Class<?> getMainFormatTypeClass() {
          return mainFormatTypeClass;
      }
  
      /**
       * The class to take into account while unmarshalling
       */
      public void setMainFormatTypeClass(Class<?> mainFormatTypeClass) {
          this.mainFormatTypeClass = mainFormatTypeClass;
      }
  
      @Override
      protected void doBuild() throws Exception {
          if (dataFormatTypeClasses == null && dataFormatTypes != null) {
              List<Class<?>> classes = new ArrayList<>();
              for (String name : dataFormatTypes.split(",")) {
                  Class<?> clazz = getCamelContext().getClassResolver().resolveMandatoryClass(name);
                  classes.add(clazz);
              }
              dataFormatTypeClasses = classes.toArray(new Class<?>[0]);
          }
          if (mainFormatTypeClass == null && mainFormatType != null) {
              mainFormatTypeClass = getCamelContext().getClassResolver().resolveMandatoryClass(mainFormatType);
          }
      }
  
  }
  