Java

Iterate JSON where Member Names are Data Values

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Demonstrates how to parse JSON where member names are not keywords, but instead are data values. Java

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    boolean success = false;

    CkJsonObject json = new CkJsonObject();

    success = json.LoadFile("qa_data/json/valuesAsNames.json");

    // Imagine we have JSON such as the following:

    // {
    //   "1680": {
    //     "entity_id": "1680",
    //     "type_id": "simple",
    //     "sku": "123"
    //   },
    //   "1701": {
    //     "entity_id": "1701",
    //     "type_id": "simple",
    //     "sku": "456"
    //   }
    // }
    // 

    // This presents a parsing problem because the member names, such as "1680"
    // are not keywords.  Instead they are data values.  We don't know what they
    // may be in advance.  

    // To solve, we iterate over the members, get the name of each, ...
    int numMembers = json.get_Size();
    int i;
    for (i = 0; i <= numMembers - 1; i++) {

        String name = json.nameAt(i);

        System.out.println(name + ":");
        CkJsonObject jRecord = json.ObjectAt(i);

        System.out.println("entity_id: " + jRecord.stringOf("entity_id"));
        System.out.println("type_id: " + jRecord.stringOf("type_id"));
        System.out.println("sku: " + jRecord.stringOf("sku"));

        }
  }
}