src/main/java/ftbsc/lll/proxies/impl/PackageProxy.java


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package ftbsc.lll.proxies.impl;

import ftbsc.lll.proxies.ProxyType;
import ftbsc.lll.proxies.QualifiableProxy;

/**
 * A container for information about a package.
 * @since 0.4.0
 */
public class PackageProxy extends QualifiableProxy {

   /**
    * The {@link PackageProxy} representing the root package.
    */
   public static final PackageProxy ROOT = new PackageProxy(null, "");

   /**
    * The protected constructor, called only from {@link PackageProxy#from(String)}.
    * @param parent the {@link PackageProxy} representing the parent
    * @param fqn the fully-qualified name of this package
    */
   protected PackageProxy(PackageProxy parent, String fqn) {
      super(null, 0, parent, fqn, ProxyType.PACKAGE);
   }

   /**
    * Builds a {@link PackageProxy} from its fully-qualified name.
    * @param fqn the fully-qualified name of the package
    * @return the built {@link PackageProxy}
    */
   protected static PackageProxy from(String fqn) {
      if(fqn == null || fqn.equals("")) return ROOT;
      return new PackageProxy(from(extractParentFromFQN(fqn)), fqn);
   }

   /**
    * Builds a {@link PackageProxy} from a reflective {@link Package} object.
    * @param p the {@link Package} object
    * @return the built {@link PackageProxy}
    */
   protected static PackageProxy from(Package p) {
      return from(extractParentFromFQN(p.getName()));
   }

   /**
    * Indicates whether the given object is a proxy for the same element as this.
    * @param obj the object to perform
    * @return true if it's equal
    */
   @Override
   public boolean equals(Object obj) {
      return obj instanceof PackageProxy && super.equals(obj);
   }
}