package com.atlassian.marketplace.client.api;
   
   import java.net.URI;
   
   import com.google.common.base.Function;
   
   import static com.google.common.base.Preconditions.checkNotNull;
   
   /**
   * Base class for simple value types that wrap a resource URI.
   * @since 2.0.0
   */
  public class ResourceId
  {
      private final URI uri;
      
      protected ResourceId(URI uri)
      {
          this.uri = checkNotNull(uri);
      }
      
      /**
       * Returns the wrapped resource URI.
       */
      public URI getUri()
      {
          return uri;
      }
      
      @Override
      public String toString()
      {
          return this.getClass().getSimpleName() + "(" + uri + ")";
      }
      
      @Override
      public boolean equals(Object other)
      {
          return (other.getClass() == this.getClass()) && ((ResourceId) other).uri.equals(uri);
      }
      
      @Override
      public int hashCode()
      {
          return uri.hashCode();
      }
      
      public static Function<ResourceId, URI> resourceIdToUri()
      {
          return new Function<ResourceId, URI>()
          {
              public URI apply(ResourceId input)
              {
                  return input.getUri();
              }
          };
      }
  }