Java tutorial
/* Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you 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.brandnewengine.plugins; import org.apache.cordova.CallbackContext; import org.apache.cordova.CordovaPlugin; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; import android.content.ContentResolver; import android.database.Cursor; import android.net.Uri; import android.util.Log; /** * Most Cordova plugins have all their functionality in one file, therefore the same * pattern will be applied here. execute(...) method will be delegating to other * private methods, based on action. * Some ideas from this Stack Overflow post: * {@link http://stackoverflow.com/questions/5946262/read-only-specificonly-from-particular-number-inbox-messages-and-display-throu} */ public class Smslog extends CordovaPlugin { private static final String TAG = "getSMSLog"; private static final String GET_TEXTS_ACTION = "getTexts"; private static final String GET_TEXTS_AFTER = "getTextsAfter"; // Defaults: private static final Integer READ_ALL = -1; @Override public boolean execute(String action, JSONArray args, CallbackContext callbackContext) throws JSONException { Log.d(TAG, "Inside ReadSms plugin."); JSONObject result = new JSONObject(); if (args.length() == 0) { result.put("error", "No phone number provided."); callbackContext.success(result); return false; } String phoneNumber = args.getString(0); result.put("phone_number", phoneNumber); if (action.equals("") || action.equals(GET_TEXTS_ACTION)) { return getTexts(args, callbackContext, result, phoneNumber); } else if (action.equals(GET_TEXTS_AFTER)) { return getTextsAfterTimeStamp(callbackContext, phoneNumber, args, result); } else { Log.e(TAG, "Unknown action provided."); result.put("error", "Unknown action provided."); callbackContext.success(result); return false; } } private boolean getTextsAfterTimeStamp(CallbackContext callbackContext, String phoneNumber, JSONArray args, JSONObject result) throws JSONException { Log.d(TAG, "Read texts after timestamp."); if (args.length() < 2) { Log.e(TAG, "Time stamp is not provided."); result.put("error", "No timestamp provided."); callbackContext.success(result); return false; } String timeStamp = args.getString(1); if (!isNumeric(timeStamp)) { Log.e(TAG, "Time stamp provided is non-numeric."); result.put("error", String.format("Time stamp provided (%s) is non-numeric.", timeStamp)); callbackContext.success(result); return false; } else if (timeStamp.startsWith("-") || timeStamp.startsWith("-")) { // isNumeric(...) corner case timeStamp = timeStamp.substring(1, timeStamp.length() - 1); } Log.d(TAG, String.format("Querying for number %s with texts received after %s time stamp.", phoneNumber, timeStamp)); JSONArray readResults = readTextsAfter(phoneNumber, timeStamp); Log.d(TAG, "Read results received: " + readResults.toString()); result.put("texts", readResults); callbackContext.success(result); return true; } private boolean getTexts(JSONArray args, CallbackContext callbackContext, JSONObject result, String phoneNumber) throws JSONException { Log.d(TAG, "Get texts from specified number."); Integer numberOfTexts = READ_ALL; // Default if (args.length() >= 2) { // We want numberOfTexts to be the second one Log.d(TAG, "Setting maximum number of texts to retrieve."); try { numberOfTexts = Integer.valueOf(args.getString(1)); } catch (NumberFormatException nfe) { String errorMessage = String.format("Input provided (%s) is not a number", args.getString(1)); Log.e(TAG, errorMessage); result.put("error", errorMessage); return false; } if (numberOfTexts <= 0) { numberOfTexts = READ_ALL; } } JSONArray readResults = readTextsFrom(phoneNumber, numberOfTexts); Log.d(TAG, "read results: " + readResults.toString()); result.put("texts", readResults); callbackContext.success(result); return true; } private JSONArray readTextsFrom(String numberToCheck, Integer numberOfTexts) throws JSONException { ContentResolver contentResolver = cordova.getActivity().getContentResolver(); String[] smsNo = new String[] { numberToCheck }; String sortOrder = "date DESC" + ((numberOfTexts == READ_ALL) ? "" : " limit " + numberOfTexts); Cursor cursor = contentResolver.query(Uri.parse("content://sms/inbox"), null, "address=?", smsNo, sortOrder); JSONArray results = new JSONArray(); while (cursor.moveToNext()) { JSONObject current = new JSONObject(); try { current.put("time_received", cursor.getString(cursor.getColumnIndex("date"))); current.put("message", cursor.getString(cursor.getColumnIndex("body"))); Log.d(TAG, "time: " + cursor.getString(cursor.getColumnIndex("date")) + " message: " + cursor.getString(cursor.getColumnIndex("body"))); } catch (JSONException e) { e.printStackTrace(); current.put("error", new String("Error reading text")); } results.put(current); } return results; } private JSONArray readTextsAfter(String numberToCheck, String timeStamp) throws JSONException { ContentResolver contentResolver = cordova.getActivity().getContentResolver(); // ORIG String[] queryData = new String[] { numberToCheck, timeStamp }; String[] queryData = new String[] { timeStamp }; String sortOrder = "date DESC"; // ORIG Cursor cursor = contentResolver.query(Uri.parse("content://sms/inbox"), null, "address=? AND date>=?", queryData, sortOrder); Cursor cursor = contentResolver.query(Uri.parse("content://sms/inbox"), null, "date>=?", queryData, sortOrder); // WORKS! Cursor cursor = contentResolver.query(Uri.parse("content://sms/inbox"), null, null, null, null); JSONArray results = new JSONArray(); while (cursor.moveToNext()) { JSONObject current = new JSONObject(); try { current.put("time_received", cursor.getString(cursor.getColumnIndex("date"))); current.put("message", cursor.getString(cursor.getColumnIndex("body"))); Log.d(TAG, "time: " + cursor.getString(cursor.getColumnIndex("date")) + " message: " + cursor.getString(cursor.getColumnIndex("body"))); } catch (JSONException e) { e.printStackTrace(); Log.e(TAG, "Error reading text", e); current.put("error", new String("Error reading text(s).")); } results.put(current); } Log.d(TAG, "Before returning results"); return results; } /** * From Rosetta code: {@link http://rosettacode.org/wiki/Determine_if_a_string_is_numeric#Java} * @param inputData * @return */ private static boolean isNumeric(String inputData) { return inputData.matches("[-+]?\\d+(\\.\\d+)?"); } }