Enumerate REST Response Header Names

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Demonstrates Rest.ResponseHdrName, which returns the field name of the response header at a zero-based index. The example enumerates all headers, pairing each name with its value.

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;

    CkRest rest = new CkRest();
    boolean bTls = true;
    boolean bAutoReconnect = true;
    success = rest.Connect("example.com",443,bTls,bAutoReconnect);
    if (success == false) {
        System.out.println(rest.lastErrorText());
        return;
        }

    success = rest.SendReqNoBody("GET","/api/items/123");
    if (success == false) {
        System.out.println(rest.lastErrorText());
        return;
        }

    int statusCode = rest.ReadResponseHeader();
    if (statusCode < 0) {
        System.out.println(rest.lastErrorText());
        return;
        }

    //  Enumerate the response header fields by zero-based index.  ResponseHdrName returns the field name
    //  and ResponseHdrValue returns the value at the same index.
    int numHeaders = rest.get_NumResponseHeaders();
    int i;
    for (i = 0; i <= numHeaders - 1; i++) {
        String name = rest.responseHdrName(i);
        if (rest.get_LastMethodSuccess() == false) {
            System.out.println(rest.lastErrorText());
            return;
            }

        String value = rest.responseHdrValue(i);
        if (rest.get_LastMethodSuccess() == false) {
            System.out.println(rest.lastErrorText());
            return;
            }

        System.out.println(name + ": " + value);
        }
  }
}