ActiveResource.java :  » REST » tinypm-client-java » com » google » code » tinypmclient » internal » Java Open Source

package com.google.code.tinypmclient.internal;

import java.util.List;

import javax.ws.rs.core.Response;

import org.jboss.resteasy.client.ClientResponse;


/**
 * Abstract resource able to connect to tinyPM.
 * @author Marcin Niebudek
 */
public abstract class ActiveResource {

  protected transient ClientFactory clientFactory;
  
  protected transient ClientResponseHandler responseHandler;
  
  public void bindWith(ActiveResource anotherResource) {
    if (anotherResource != null) {
      this.clientFactory = anotherResource.clientFactory;
      this.responseHandler = anotherResource.responseHandler;
    }
  }
  
  protected <E extends ActiveResource> E handle(ClientResponse<E> response) {
    return wave(responseHandler.handleResponse(response));
  }
  
  protected <E extends ActiveResource> List<E> handle(ClientResponse<List<E>> response) {
    return wave(responseHandler.handleResponse(response));
  }
  
  protected boolean handle(Response.Status status) {
    return responseHandler.handleResponse(status);
  }
  
  /**
   * Waves a list of ActiveResources binding them this resource (and it's 
   * connetion settings).
   * 
   * @param resources list of ActiveResource objects
   * @return the same list but with all resources bound to this resource's settings.
   */
  protected <E extends ActiveResource> List<E> wave(List<E> resources) {
    if (resources != null) {
      for (ActiveResource resource : resources) {
        wave(resource);
      }
    }
    
    return resources;
  }
  
  /**
   * Waves another ActiveResource binding it with this resource (and it's 
   * connetion settings).
   * 
   * @param resource another ActiveResource object
   * @return resource waved with this resource's connection settings.
   */
  protected <E extends ActiveResource> E wave(E resource) {
    if (resource != null) {
      resource.bindWith(this);
    }
    
    return resource;
  }
}