Java tutorial
package com.tune.reporting.helpers; /** * ReportReaderJson.java * * <p> * Copyright (c) 2015 TUNE, Inc. * All rights reserved. * </p> * * <p> * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * <p> * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * </p> * * <p> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * </p> * * <p> * Java Version 1.6 * </p> * * <p> * @category tune-reporting * @package com.tune.reporting * @author Jeff Tanner jefft@tune.com * @copyright 2015 TUNE, Inc. (http://www.tune.com) * @license http://opensource.org/licenses/MIT The MIT License (MIT) * @version $Date: 2015-04-09 17:36:25 $ * @link https://developers.mobileapptracking.com @endlink * </p> */ import org.json.JSONArray; import org.json.JSONObject; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.IOException; import java.net.MalformedURLException; import java.net.URL; import java.util.ArrayList; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; /** * Read remote JSON report with provided url. */ public final class ReportReaderJson extends ReportReaderBase { /** * Constructor. * * @param reportUrl Report URL provide upon completion on Export queue. */ public ReportReaderJson(final String reportUrl) { super(reportUrl); } /** * Using provided report download URL, extract contents appropriate * to the content's format. * * @return Boolean If successful in reading remote report returns true. * @throws TuneSdkException Error within SDK If fails to read report. */ public Boolean read() throws TuneSdkException { try { URL jsonReportUrl = new URL(this.getReportUrl()); BufferedReader jsonBufferReader = new BufferedReader(new InputStreamReader(jsonReportUrl.openStream())); String cvsSplitBy = ","; List<String> jsonListLines = new ArrayList<String>(); String jsonBufferReaderLine; while ((jsonBufferReaderLine = jsonBufferReader.readLine()) != null) { jsonListLines.add(jsonBufferReaderLine); } // end while if (jsonListLines.size() == 0) { return false; } String jsonStr = jsonListLines.get(0); JSONArray jsonArray = new JSONArray(jsonStr); if (jsonArray.length() == 0) { return false; } for (int i = 0; i < jsonArray.length(); i++) { JSONObject jsonItem = jsonArray.getJSONObject(i); Iterator<?> keys = jsonItem.keys(); Map<String, String> jsonItemMap = new HashMap<String, String>(); while (keys.hasNext()) { String key = (String) keys.next(); Object value = jsonItem.get(key); jsonItemMap.put(key, value.toString()); } this.reportMapList.add(jsonItemMap); } } catch (MalformedURLException ex) { throw new TuneSdkException(ex.getMessage(), ex); } catch (IOException ex) { throw new TuneSdkException(ex.getMessage(), ex); } catch (Exception ex) { throw new TuneSdkException(ex.getMessage(), ex); } return true; } }