Android Open Source - sms-smap-gateway Gojo Controller

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License

The source code is released under:

GNU General Public License

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Java Source Code

package com.android.smap.controllers;
/*from   w  w w  . jav  a 2  s  . c om*/
import android.content.Context;

import com.android.smap.GatewayApp;
import com.android.smap.api.models.Gojo;
import com.android.smap.api.models.Status;
import com.android.smap.api.models.validator.ModelValidator;
import com.android.smap.api.requests.ApiRequest;
import com.android.smap.api.requests.GojoRequest;
import com.android.volley.ParseError;
import com.android.volley.RequestQueue;
import com.android.volley.Response.ErrorListener;
import com.android.volley.Response.Listener;
import com.android.volley.VolleyError;

/**
 * Generic 'Post the GoJo back' controller
 * 
 * @author matt witherow
 * @param <T>
 */
public class GojoController implements Controller, Listener<Status>,
    ErrorListener {

  private static final int      DEFAULT_REFRESH_INTERVAL  = 30000;  // 30
                                        // seconds
  protected ControllerListener    mListener;
  protected ControllerErrorListener  mErrorListener;
  private final Context        mContext;
  private Status            mModelIn;
  private Gojo            mModelOut;

  public GojoController(Gojo model, Context context,
      ControllerListener listener, ControllerErrorListener errorListener) {

    if (listener == null || errorListener == null || context == null
        || model == null) {
      throw new IllegalArgumentException();
    }

    mListener = listener;
    mErrorListener = errorListener;
    mContext = context;
    mModelIn = null;
    mModelOut = model;
  }

  @Override
  public void onResponse(Status response) {
    validate(response);
    this.mModelIn = response;
    getControllerListener().onControllerResult();
  }

  public void validate(Status response) {
    if (!ModelValidator.isModelValid(response)) {
      onErrorResponse(new ParseError());
      return;
    }
  }

  @Override
  public void onErrorResponse(VolleyError error) {
    ControllerError controllerError = new ControllerError(error, mContext);
    getControllerErrorListener().onControllerError(controllerError);
  }

  /**
   * Adds the request to the {@link RequestQueue} and tags the request with
   * this fragment
   * 
   * @param request
   */
  public void start() {

    ApiRequest<?> request = new GojoRequest(mModelOut, this, this);
    request.setTag(this);
    GatewayApp.getRequestQueue().add(request);

  }

  /**
   * Cancels all requests in the {@link RequestQueue} tagged with this
   * controller.
   */
  public void cancel() {
    GatewayApp.getRequestQueue().cancelAll(this);
  }

  public Status getModelIn() {
    return mModelIn;
  }

  public ControllerErrorListener getControllerErrorListener() {
    return mErrorListener;
  }

  @Override
  public ControllerListener getControllerListener() {
    return mListener;
  }

}

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