Android Open Source - openmidaas-android-app Postback Return Strategy

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The source code is released under:

Apache License

Java Source Code

/*******************************************************************************
 * Copyright 2013 SecureKey Technologies Inc.
 * //  ww  w .  ja  va  2  s .co  m
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
package org.openmidaas.app.session;

import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.List;
import org.apache.http.NameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.message.BasicNameValuePair;
import org.openmidaas.app.common.Logger;
import org.openmidaas.app.session.Session.OnDoneCallback;
import com.loopj.android.http.AsyncHttpClient;
import com.loopj.android.http.AsyncHttpResponseHandler;

public class PostbackReturnStrategy extends ReturnStrategy {
  
  protected PostbackReturnStrategy(){}

  @Override
  public void sendReturn(String verifiedAttributeBundle,
      String unverifiedAttributeBundle, String state, final OnDoneCallback callback) throws NullPointerException {
    AsyncHttpClient client = new AsyncHttpClient();
    if(mReturnUrl == null) {
      Logger.error(getClass(), "URL is missing");
      throw new NullPointerException("Return url is missing. ");
    }
    List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();
    nameValuePairs.add(this.getAsUrlParameter(PARAMETER_VERIFIED_ATTRIBUTE, verifiedAttributeBundle));
    nameValuePairs.add(this.getAsUrlParameter(PARAMETER_UNVERIFIED_ATTRIBUTE, unverifiedAttributeBundle));
    nameValuePairs.add(this.getAsUrlParameter(PARAMETER_STATE, state));
    UrlEncodedFormEntity urlParams = null;
    try {
      Logger.debug(getClass(), "Making POST request to: " + mReturnUrl.toString());
      urlParams = new UrlEncodedFormEntity(nameValuePairs);
    } catch (UnsupportedEncodingException e) {
      callback.onError(new Exception("Error while encoding data"));
    } 
      Logger.debug(getClass(), urlParams.toString());
      client.post(null, mReturnUrl.toString(), urlParams, "application/x-www-form-urlencoded", new AsyncHttpResponseHandler() {
        @Override
        public void onSuccess(String response) {
          Logger.debug(getClass(), "done posting to: " + mReturnUrl.toString());
          callback.onDone(response);
        }
        @Override
        public void onFailure(Throwable e, String response){
          Logger.error(getClass(), e.getMessage() + response);
          callback.onError(new Exception ("Error sending response to server. "));
        }
      });
    
  }
  
  private BasicNameValuePair getAsUrlParameter(String key, String value) {
    if(value == null || value.isEmpty()) {
      return new BasicNameValuePair(key, "");
    }
    return new BasicNameValuePair(key, value);
  }
}

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