noodling with flag parameters to methods instead of a buncha booleans

FlagArgumentsDemo.java

import java.util.Arrays;

public class FlagArgumentsDemo {
  public static void main(String[] args) {
    System.out.println(convertToInteger("5"));
    System.out.println(convertToInteger("5", Flag.DEBUG));
    System.out.println(convertToInteger("5", Flag.IGNORE_EXCEPTIONS, Flag.DEBUG));
    System.out.println(convertToInteger("no number", Flag.IGNORE_EXCEPTIONS, Flag.DEBUG));
    System.out.println(convertToInteger("no number", Flag.IGNORE_EXCEPTIONS));
    try {
      System.out.println(convertToInteger("no number", Flag.DEBUG));
    } catch(Exception e){
      e.printStackTrace();
    }
  }

  public static Integer convertToInteger(String number, Flag... flags) {
    if (Flag.DEBUG.isFlagged(flags)) {
      System.out.println("DEBUG: Converting {"+number+"} to Integer (flags {"+Arrays.asList(flags)+"})");
    }

    try {
      return new Integer(number);
    } catch (NumberFormatException e) {
      if (Flag.IGNORE_EXCEPTIONS.isFlagged(flags)) { return null; }
      throw e;
    }
  }


  public static enum Flag {
    DEBUG,IGNORE_EXCEPTIONS;
    public boolean isFlagged(Flag... flags) {
      for (Flag flag : flags) { if(flag.equals(this)) { return true; } }
      return false;
    }
  }

}

out.txt

5
DEBUG: Converting {5} to Integer (flags {[DEBUG]})
5
DEBUG: Converting {5} to Integer (flags {[IGNORE_EXCEPTIONS, DEBUG]})
5
DEBUG: Converting {no number} to Integer (flags {[IGNORE_EXCEPTIONS, DEBUG]})
null
null
DEBUG: Converting {no number} to Integer (flags {[DEBUG]})
java.lang.NumberFormatException: For input string: "no number"
	at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
	at java.lang.Integer.parseInt(Integer.java:492)
	at java.lang.Integer.<init>(Integer.java:677)
	at FlagArgumentsDemo.convertToInteger(FlagArgumentsDemo.java:28)
	at FlagArgumentsDemo.main(FlagArgumentsDemo.java:16)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:601)
	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)

Process finished with exit code 0