org.mythtv.service.myth.GetHostnameTask.java Source code

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Here is the source code for org.mythtv.service.myth.GetHostnameTask.java

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/**
 * This file is part of MythTV Android Frontend
 *
 * MythTV Android Frontend is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * MythTV Android Frontend is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with MythTV Android Frontend.  If not, see <http://www.gnu.org/licenses/>.
 *
 * This software can be found at <https://github.com/MythTV-Clients/MythTV-Android-Frontend/>
 */
/**
 * 
 */
package org.mythtv.service.myth;

import org.mythtv.client.ui.preferences.LocationProfile;
import org.mythtv.service.util.NetworkHelper;
import org.mythtv.services.api.ApiVersion;
import org.mythtv.services.api.ETagInfo;
import org.mythtv.services.api.connect.MythAccessFactory;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;

import android.content.Context;
import android.os.AsyncTask;
import android.util.Log;

/**
 * @author Daniel Frey
 *
 */
public class GetHostnameTask extends AsyncTask<Void, Void, String> {

    private static final String TAG = GetHostnameTask.class.getSimpleName();

    private final Context mContext;
    private final LocationProfile mLocationProfile;
    private final TaskFinishedListener listener;

    public interface TaskFinishedListener {

        void onGetHostnameTaskStarted();

        void onGetHostnameTaskFinished(String result);

    }

    public GetHostnameTask(Context context, LocationProfile locationProfile, TaskFinishedListener listener) {
        this.mContext = context;
        this.mLocationProfile = locationProfile;
        this.listener = listener;
    }

    /* (non-Javadoc)
     * @see android.os.AsyncTask#onPreExecute()
     */
    @Override
    protected void onPreExecute() {
        Log.d(TAG, "onPreExecute : enter");

        listener.onGetHostnameTaskStarted();

        Log.d(TAG, "onPreExecute : exit");
    }

    /* (non-Javadoc)
     * @see android.os.AsyncTask#doInBackground(Params[])
     */
    @Override
    protected String doInBackground(Void... params) {
        Log.d(TAG, "doInBackground : enter");

        if (null == mContext) {
            throw new IllegalArgumentException("Context is required");
        }

        if (null == mLocationProfile) {
            throw new IllegalArgumentException("LocationProfile is required");
        }

        if (null == listener) {
            throw new IllegalArgumentException("TaskFinishedListener is required");
        }

        if (!NetworkHelper.getInstance().isMasterBackendConnected(mContext, mLocationProfile)) {
            Log.w(TAG, "process : Master Backend '" + mLocationProfile.getHostname() + "' is unreachable");

            return null;
        }

        String hostname = null;

        ApiVersion apiVersion = ApiVersion.valueOf(mLocationProfile.getVersion());
        switch (apiVersion) {
        case v025:

            org.mythtv.services.api.v025.MythServicesTemplate mythServicesTemplateV25 = (org.mythtv.services.api.v025.MythServicesTemplate) MythAccessFactory
                    .getServiceTemplateApiByVersion(apiVersion, mLocationProfile.getUrl());

            if (null != mythServicesTemplateV25) {
                ResponseEntity<String> hostnameV25 = mythServicesTemplateV25.mythOperations()
                        .getHostName(ETagInfo.createEmptyETag());
                if (hostnameV25.getStatusCode().equals(HttpStatus.OK)) {
                    if (null != hostnameV25.getBody() && !"".equals(hostnameV25.getBody())) {
                        hostname = hostnameV25.getBody().split(":")[1];
                        hostname = hostname.replaceAll("\"", "");
                        hostname = hostname.substring(0, hostname.length() - 1);
                        hostname = hostname.trim();
                    }
                }
            }

            break;

        case v026:

            org.mythtv.services.api.v026.MythServicesTemplate mythServicesTemplateV26 = (org.mythtv.services.api.v026.MythServicesTemplate) MythAccessFactory
                    .getServiceTemplateApiByVersion(apiVersion, mLocationProfile.getUrl());

            if (null != mythServicesTemplateV26) {
                ResponseEntity<String> hostnameV26 = mythServicesTemplateV26.mythOperations()
                        .getHostName(ETagInfo.createEmptyETag());
                if (hostnameV26.getStatusCode().equals(HttpStatus.OK)) {
                    if (null != hostnameV26.getBody() && !"".equals(hostnameV26.getBody())) {
                        hostname = hostnameV26.getBody().split(":")[1];
                        hostname = hostname.replaceAll("\"", "");
                        hostname = hostname.substring(0, hostname.length() - 1);
                        hostname = hostname.trim();
                    }
                }
            }

            break;
        case v027:

            org.mythtv.services.api.v027.MythServicesTemplate mythServicesTemplateV27 = (org.mythtv.services.api.v027.MythServicesTemplate) MythAccessFactory
                    .getServiceTemplateApiByVersion(apiVersion, mLocationProfile.getUrl());

            if (null != mythServicesTemplateV27) {
                ResponseEntity<String> hostnameV27 = mythServicesTemplateV27.mythOperations()
                        .getHostName(ETagInfo.createEmptyETag());
                if (hostnameV27.getStatusCode().equals(HttpStatus.OK)) {
                    if (null != hostnameV27.getBody() && !"".equals(hostnameV27.getBody())) {
                        hostname = hostnameV27.getBody().split(":")[1];
                        hostname = hostname.replaceAll("\"", "");
                        hostname = hostname.substring(0, hostname.length() - 1);
                        hostname = hostname.trim();
                    }
                }
            }

            break;

        default:

            org.mythtv.services.api.v027.MythServicesTemplate mythServicesTemplateV27Default = (org.mythtv.services.api.v027.MythServicesTemplate) MythAccessFactory
                    .getServiceTemplateApiByVersion(apiVersion, mLocationProfile.getUrl());

            if (null != mythServicesTemplateV27Default) {
                ResponseEntity<String> hostnameV27 = mythServicesTemplateV27Default.mythOperations()
                        .getHostName(ETagInfo.createEmptyETag());
                if (hostnameV27.getStatusCode().equals(HttpStatus.OK)) {
                    if (null != hostnameV27.getBody() && !"".equals(hostnameV27.getBody())) {
                        hostname = hostnameV27.getBody().split(":")[1];
                        hostname = hostname.replaceAll("\"", "");
                        hostname = hostname.substring(0, hostname.length() - 1);
                        hostname = hostname.trim();
                    }
                }
            }

            break;
        }

        Log.d(TAG, "doInBackground : exit");
        return hostname;
    }

    /* (non-Javadoc)
     * @see android.os.AsyncTask#onPostExecute(java.lang.Object)
     */
    @Override
    protected void onPostExecute(String result) {
        Log.d(TAG, "onPostExecute : enter");
        super.onPostExecute(result);

        listener.onGetHostnameTaskFinished(result);

        Log.d(TAG, "onPostExecute : exit");
    }

}