generator/src/main/java/com/google/autofactory/Names.java

package com.google.autofactory;


final class Names {
  private Names() {}

  static CharSequence getSimpleName(CharSequence fullyQualifiedName) {
    int lastDot = lastIndexOf(fullyQualifiedName, '.');
    return fullyQualifiedName.subSequence(lastDot + 1, fullyQualifiedName.length());
  }

  static CharSequence getPackage(CharSequence fullyQualifiedName) {
    int lastDot = lastIndexOf(fullyQualifiedName, '.');
    return fullyQualifiedName.subSequence(0, lastDot);
  }

  private static int lastIndexOf(CharSequence charSequence, char c) {
    for (int i = charSequence.length() - 1; i >= 0; i--) {
      if (charSequence.charAt(i) == c) {
        return i;
      }
    }
    return -1;
  }
}