public GLAccountBuilder withAccountTypeAsAsset() {
   GLAccountBuilder.accountType = ASSET_ACCOUNT;
   GLAccountBuilder.GLCode = Utils.randomStringGenerator("ASSET_", 2);
   GLAccountBuilder.GLCode += Calendar.getInstance().getTimeInMillis() + ""; // Added
   // unique
   // timestamp
   // for
   // avoiding
   // random
   // collisions
   return this;
 }
 public GLAccountBuilder withAccountTypeAsExpense() {
   GLAccountBuilder.accountType = EXPENSE_ACCOUNT;
   GLAccountBuilder.GLCode = Utils.randomStringGenerator("EXPENSE_", 2);
   GLAccountBuilder.GLCode += Calendar.getInstance().getTimeInMillis() + "";
   return this;
 }
 public GLAccountBuilder withAccountTypeAsLiability() {
   GLAccountBuilder.accountType = LIABILITY_ACCOUNT;
   GLAccountBuilder.GLCode = Utils.randomStringGenerator("LIABILITY_", 2);
   GLAccountBuilder.GLCode += Calendar.getInstance().getTimeInMillis() + "";
   return this;
 }
public class GLAccountBuilder {

  public static final String ASSET_ACCOUNT = "1";
  public static final String LIABILITY_ACCOUNT = "2";
  public static final String EQUITY_ACCOUNT = "3";
  public static final String INCOME_ACCOUNT = "4";
  public static final String EXPENSE_ACCOUNT = "5";

  private static final String ACCOUNT_USAGE_DETAIL = "1";
  private static final String ACCOUNT_USAGE_HEADER = "2";
  private static final String MANUAL_ENTRIES_ALLOW = "true";
  private static final String MANUAL_ENTRIES_NOT_ALLOW = "false";

  private static String name = Utils.randomStringGenerator("ACCOUNT_NAME_", 5);

  private static String GLCode = "";
  private static String accountType = "";
  private static String accountUsage = ACCOUNT_USAGE_DETAIL;
  private static String manualEntriesAllowed = MANUAL_ENTRIES_ALLOW;
  private static String description = "DEFAULT_DESCRIPTION";

  public String build() {
    final HashMap<String, String> map = new HashMap<>();
    map.put("name", GLAccountBuilder.name);
    map.put("glCode", GLAccountBuilder.GLCode);
    map.put("manualEntriesAllowed", GLAccountBuilder.manualEntriesAllowed);
    map.put("type", GLAccountBuilder.accountType);
    map.put("usage", GLAccountBuilder.accountUsage);
    map.put("description", GLAccountBuilder.description);
    return new Gson().toJson(map);
  }

  public GLAccountBuilder withAccountTypeAsAsset() {
    GLAccountBuilder.accountType = ASSET_ACCOUNT;
    GLAccountBuilder.GLCode = Utils.randomStringGenerator("ASSET_", 2);
    GLAccountBuilder.GLCode += Calendar.getInstance().getTimeInMillis() + ""; // Added
    // unique
    // timestamp
    // for
    // avoiding
    // random
    // collisions
    return this;
  }

  public GLAccountBuilder withAccountTypeAsLiability() {
    GLAccountBuilder.accountType = LIABILITY_ACCOUNT;
    GLAccountBuilder.GLCode = Utils.randomStringGenerator("LIABILITY_", 2);
    GLAccountBuilder.GLCode += Calendar.getInstance().getTimeInMillis() + "";
    return this;
  }

  public GLAccountBuilder withAccountTypeAsAsEquity() {
    GLAccountBuilder.accountType = EQUITY_ACCOUNT;
    GLAccountBuilder.GLCode = Utils.randomStringGenerator("EQUITY_", 2);
    GLAccountBuilder.GLCode += Calendar.getInstance().getTimeInMillis() + "";
    return this;
  }

  public GLAccountBuilder withAccountTypeAsIncome() {
    GLAccountBuilder.accountType = INCOME_ACCOUNT;
    GLAccountBuilder.GLCode = Utils.randomStringGenerator("INCOME_", 2);
    GLAccountBuilder.GLCode += Calendar.getInstance().getTimeInMillis() + "";
    return this;
  }

  public GLAccountBuilder withAccountTypeAsExpense() {
    GLAccountBuilder.accountType = EXPENSE_ACCOUNT;
    GLAccountBuilder.GLCode = Utils.randomStringGenerator("EXPENSE_", 2);
    GLAccountBuilder.GLCode += Calendar.getInstance().getTimeInMillis() + "";
    return this;
  }

  public GLAccountBuilder withAccountUsageAsHeader() {
    GLAccountBuilder.accountUsage = ACCOUNT_USAGE_HEADER;
    return this;
  }

  public GLAccountBuilder withMaualEntriesNotAllowed() {
    GLAccountBuilder.manualEntriesAllowed = MANUAL_ENTRIES_NOT_ALLOW;
    return this;
  }
}