Channel.java

package crazypants.enderio.machine.hypercube;

import java.util.UUID;

public class Channel {

  final String name;
  final UUID user;

  Channel(String name, UUID uuid) {
    this.name = trim(name);
    this.user = uuid;
  }

  public boolean isPublic() {
    return user == null;
  }

  private String trim(String str) {
    if(str == null) {
      return null;
    }
    str = str.trim();
    if(str.isEmpty()) {
      return null;
    }
    return str;
  }

  @Override
  public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + ((name == null) ? 0 : name.hashCode());
    result = prime * result + ((user == null) ? 0 : user.hashCode());
    return result;
  }

  @Override
  public boolean equals(Object obj) {
    if(this == obj)
      return true;
    if(obj == null)
      return false;
    if(getClass() != obj.getClass())
      return false;
    Channel other = (Channel) obj;
    if(name == null) {
      if(other.name != null)
        return false;
    } else if(!name.equals(other.name))
      return false;
    if(user == null) {
      if(other.user != null)
        return false;
    } else if(!user.equals(other.user))
      return false;
    return true;
  }

}