com.handlerexploit.news.data.YQLHelper.java Source code

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Here is the source code for com.handlerexploit.news.data.YQLHelper.java

Source

/*
 *  Copyright (c) 2011 Daniel Huckaby
 *
 *  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 com.handlerexploit.news.data;

import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;

import org.apache.http.client.methods.HttpGet;
import org.apache.http.util.EntityUtils;
import org.json.JSONObject;

import android.net.http.AndroidHttpClient;
import android.util.Log;

public class YQLHelper {

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

    public static String query(String query) {
        String fullUrl = null;
        try {
            fullUrl = "http://query.yahooapis.com/v1/public/yql?format=json&q="
                    + URLEncoder.encode(query, "US-ASCII");
        } catch (UnsupportedEncodingException e) {
            Log.e(TAG, "Error encoding URL", e);
        }
        if (fullUrl != null) {
            String queryResponse = null;
            try {
                String userAgent = "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_2) AppleWebKit/535.2 (KHTML, like Gecko) Chrome/15.0.874.121 Safari/535.2";
                AndroidHttpClient androidHttpClient = AndroidHttpClient.newInstance(userAgent); // TODO Look into using something else for pre-froyo
                queryResponse = EntityUtils.toString(androidHttpClient.execute(new HttpGet(fullUrl)).getEntity());
                androidHttpClient.close();
                JSONObject jsonQuery = new JSONObject(queryResponse).getJSONObject("query");
                if (jsonQuery.getInt("count") > 0) {
                    return jsonQuery.getJSONObject("results").toString();
                } else {
                    Log.d(TAG, "YQL returned empty - " + fullUrl + " - " + jsonQuery.toString());
                }
            } catch (Throwable e) {
                Log.e(TAG, "An error occured while parsing yql query - " + queryResponse, e);
            }
        }
        return null;
    }
}