srdes.menupp.EntreeDbAdapter.java Source code

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Here is the source code for srdes.menupp.EntreeDbAdapter.java

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/*
        Copyright [2012] [Menu++]
    
     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 srdes.menupp;

import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;

import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.ResponseHandler;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.BasicResponseHandler;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONException;
import org.json.JSONObject;

/**
 * \brief Database interface for entrees/reviews. Includes a method for creating reviews
 */
public class EntreeDbAdapter {

    // Column names also used as keys
    public final static String KEY_TITLE = "title";
    public final static String KEY_BODY = "body";
    public final static String KEY_ROWID = "_id";
    public final static String KEY_ENTREE = "entree";
    public final static String KEY_RATING = "rating";
    private final static String INSERT_REVIEW_SCRIPT = "http://www.jsl.grid.webfactional.com/insert_review.php";

    /**
     * @brief   Create a new review using the title and body provided. If the review is
     *          successfully created return the new rowId for that review, otherwise return
     *          a -1 to indicate failure.
     * 
     * @param    title the title of the note
     * 
     * @param    body the body of the note
     * 
     * @param    entree the name of the entree the review is for
     * 
     * @param    rating the rating given to the entree in the review
     * 
     * @throws    JSONException if cannot get rowID
     * 
     * @return    rowId or -1 if failed
     */
    public static Long createReview(String title, String body, String entree, float rating) throws JSONException {

        //add column information to pass to database
        ArrayList<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();
        nameValuePairs.add(new BasicNameValuePair(KEY_TITLE, title));
        nameValuePairs.add(new BasicNameValuePair(KEY_BODY, body));
        nameValuePairs.add(new BasicNameValuePair(KEY_ENTREE, entree));
        nameValuePairs.add(new BasicNameValuePair(KEY_RATING, new Float(rating).toString()));

        //http post
        JSONObject response = null;
        try {
            HttpClient httpclient = new DefaultHttpClient();
            HttpPost httppost = new HttpPost(INSERT_REVIEW_SCRIPT);
            httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
            ResponseHandler<String> responseHandler = new BasicResponseHandler();
            String responseBody = httpclient.execute(httppost, responseHandler);
            response = new JSONObject(responseBody);

        } catch (ClientProtocolException e) {
            DebugLog.LOGD("Protocol error in http connection " + e.toString());
        } catch (UnsupportedEncodingException e) {
            DebugLog.LOGD("Encoding error in http connection " + e.toString());
        } catch (IOException e) {
            DebugLog.LOGD("IO error in http connection " + e.toString());
        }
        //rowID encoded in response
        return (Long) response.get(KEY_ROWID);
    }
}