/**
    * Copyright 1&1 Internet AG, https://github.com/1and1/
    *
    * 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 net.oneandone.sushi;
  
  import net.oneandone.sushi.csv.Csv;
  import net.oneandone.sushi.csv.Format;
  import net.oneandone.sushi.csv.View;
  import net.oneandone.sushi.fs.World;
  import net.oneandone.sushi.metadata.Instance;
  import net.oneandone.sushi.metadata.Type;
  import net.oneandone.sushi.metadata.reflect.ReflectSchema;
  
  import java.util.Arrays;
  
  public class CsvSample {
      private static final World WORLD = new World();
      private static final Type TYPE = new ReflectSchema(WORLD).type(All.class);
      
      /** Serialize object to xml and load the result back into an object */
      public static void main(String[] args) throws Exception {
          All all;
          View view;
          Csv csv;
          Instance<All> instance;
          
          all = new All();
  
          System.out.println("object:\n" + all);
          
          instance = TYPE.instance(all);
          csv = new Csv(new Format());
          view = View.fromXml(WORLD.memoryNode("<view>" +
                  "  <scope>items</scope>" +
                  "  <field><name>Id</name><path>id</path></field>" +
                  "  <field><name>String</name><path>string</path></field>" +
                  "</view>"));
          instance.exportCsv(view, csv, "7", "2");
          System.out.println("orig\n" + csv);
          csv.get(2).get(1).set(0, "two");
          instance.importCsv(view, csv);
          System.out.println("modified\n" + csv);
      }
      
      public static class All {
          // TOOD: doesn't work for Lists because the static type is used
          public final Item[] items = { new Item(2, "zwei"), new Item(7, "sieben") };
          
          @Override
          public String toString() {
              return Arrays.asList(items).toString();
          }
      }
      
      public static class Item {
          public final int id;
          public final String string;
          
          public Item() {
              this(0, "");
          }
  
          public Item(int id, String string) {
              this.id = id;
              this.string = string;
          }
          
          @Override
          public String toString() {
              return "id=" + id + "+string=" + string;
          }
      }
  }