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Copyright (c) 2010, Moca All rights reserved. The source code for Moca is licensed under the BSD license as follows: Redistribution and use in source and binary forms, with or without modification, ...
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package org.moca.util; //from w ww . j av a 2s . c om import java.io.InputStream; import java.util.Iterator; import java.util.List; import java.util.Random; import org.moca.R; import org.moca.db.MocaDB.ImageSQLFormat; import org.moca.db.MocaDB.NotificationSQLFormat; import org.moca.db.MocaDB.PatientSQLFormat; import org.moca.db.MocaDB.ProcedureSQLFormat; import org.moca.db.MocaDB.SavedProcedureSQLFormat; import org.moca.db.MocaDB.SoundSQLFormat; import org.moca.procedure.Procedure; import org.w3c.dom.NamedNodeMap; import org.w3c.dom.Node; import android.app.AlertDialog; import android.app.AlertDialog.Builder; import android.content.ContentValues; import android.content.Context; import android.content.DialogInterface; import android.net.Uri; import android.net.wifi.WifiManager; import android.telephony.TelephonyManager; import android.util.Log; public class MocaUtil { public static final String TAG = MocaUtil.class.toString(); private static final String alphabet = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"; public static String randomString(String prefix, int length) { return randomString(prefix, length, alphabet); } public static String randomString(String prefix, int length, String alphabet) { StringBuilder sb = new StringBuilder(prefix); Random r = new Random(); int alphabetlength = alphabet.length(); for(int i=0; i<length; i++) { sb.append(alphabet.charAt(r.nextInt(alphabetlength-1))); } return sb.toString(); } public static void errorAlert(Context context, String message) { createDialog(context, "Error", message).show(); } public static AlertDialog createDialog(Context context, String title, String message) { Builder dialogBuilder = new Builder(context); dialogBuilder.setPositiveButton(context.getResources().getString(R.string.general_ok), null); dialogBuilder.setTitle(title); dialogBuilder.setMessage(message); return dialogBuilder.create(); } public static String getNodeAttributeOrDefault(Node node, String name, String defaultValue) { NamedNodeMap attributes = node.getAttributes(); Node valueNode = attributes.getNamedItem(name); String value = defaultValue; if(valueNode != null) value = valueNode.getNodeValue(); return value; } public static <ExceptionType extends Exception> String getNodeAttributeOrFail(Node node, String name, ExceptionType e) throws ExceptionType { NamedNodeMap attributes = node.getAttributes(); Node valueNode = attributes.getNamedItem(name); if(valueNode == null) throw e; return valueNode.getNodeValue(); } /** * Utility method for deleting all the elements from a given content URI. You have to provide the name of the primary key column. * @param ctx the context whose content resolver to use to lookup the URI * @param contentUri the content URI to delete all the items from * @param idColumn the column of the primary key for the URI */ private static void deleteContentUri(Context ctx, Uri contentUri, String idColumn) { ctx.getContentResolver().delete(contentUri, null, null); } /** * Deleted all Procedures, SavedProcedures, Images, Sounds, and Notifications from the database. * @param ctx */ public static void clearDatabase(Context ctx) { deleteContentUri(ctx, ProcedureSQLFormat.CONTENT_URI, ProcedureSQLFormat._ID); deleteContentUri(ctx, SavedProcedureSQLFormat.CONTENT_URI, SavedProcedureSQLFormat._ID); deleteContentUri(ctx, ImageSQLFormat.CONTENT_URI, ImageSQLFormat._ID); deleteContentUri(ctx, SoundSQLFormat.CONTENT_URI, SoundSQLFormat._ID); deleteContentUri(ctx, NotificationSQLFormat.CONTENT_URI, NotificationSQLFormat._ID); } public static void clearPatientData(Context ctx) { deleteContentUri(ctx, PatientSQLFormat.CONTENT_URI, PatientSQLFormat._ID); } private static void insertProcedure(Context ctx, int id) { String title = MocaUtil.randomString("Procedure ", 10); String author = ""; String xml; try { InputStream rs = ctx.getResources().openRawResource(id); byte[] data = new byte[rs.available()]; rs.read(data); xml = new String(data); //Insert "Find Patient" pages in front of every procedure //Convert xml to string int idFindPatient = R.raw.findpatient; InputStream rsFindPatient = ctx.getResources().openRawResource(idFindPatient); byte[] dataFindPatient = new byte[rsFindPatient.available()]; rsFindPatient.read(dataFindPatient); String originalXMLFindPatient = new String(dataFindPatient); //Remove the Procedure XML header/footer from findpatient.xml String findPatientHeader = "<Procedure title=\"Find Patient\">"; String findPatientFooter = "<//Procedure>"; String xmlFindPatient = ""; int strLength = originalXMLFindPatient.length(); xmlFindPatient = originalXMLFindPatient.substring(findPatientHeader.length()+1,strLength-findPatientFooter.length()-1); //Modify the procedure xml //Insert the "Find Patient" pages after the Procedure tag and before the procedure's pages String startProcHeader = "<Procedure title="; String xmlFullProcedure = xml; if(xml.startsWith(startProcHeader)) { int endOfProcedureTag = xml.indexOf(">")+1; //Procedure Tag String xmlHeader = xml.substring(0,endOfProcedureTag); //Rest of Procedure String xmlRestOfProcedure = xml.substring(endOfProcedureTag+1); //New Complete Procedure with Find Patient XML xmlFullProcedure = xmlHeader + xmlFindPatient + xmlRestOfProcedure; } Procedure p = Procedure.fromXMLString(xmlFullProcedure); title = p.getTitle(); author = p.getAuthor(); ContentValues cv = new ContentValues(); cv.put(ProcedureSQLFormat.TITLE, title); cv.put(ProcedureSQLFormat.AUTHOR, author); cv.put(ProcedureSQLFormat.PROCEDURE, xmlFullProcedure); ctx.getContentResolver().insert(ProcedureSQLFormat.CONTENT_URI, cv); } catch(Exception e) { Log.e(TAG, "Couldn't add procedure id=" + id + ", title = " + title + ", to db. Exception : " + e.toString()); } } /** * Loading Moca with XML-described procedures is currently hard-coded. New files can be * added or removed here. */ public static void loadDefaultDatabase(Context ctx) { /* insertProcedure(ctx, R.raw.bronchitis); insertProcedure(ctx, R.raw.cervicalcancer); insertProcedure(ctx, R.raw.surgery_demo); insertProcedure(ctx, R.raw.tbcontact); insertProcedure(ctx, R.raw.multiupload_test); */ insertProcedure(ctx, R.raw.upload_test); insertProcedure(ctx, R.raw.hiv); insertProcedure(ctx, R.raw.cervicalcancer); insertProcedure(ctx, R.raw.prenatal); insertProcedure(ctx, R.raw.surgery); insertProcedure(ctx, R.raw.derma); insertProcedure(ctx, R.raw.teleradiology); insertProcedure(ctx, R.raw.ophthalmology); insertProcedure(ctx, R.raw.tbcontact2); insertProcedure(ctx, R.raw.tbpatient); insertProcedure(ctx, R.raw.cvd_protocol); insertProcedure(ctx, R.raw.oral_cancer); insertProcedure(ctx, R.raw.pediatric); //insertProcedure(ctx, R.raw.audio_upload_test); } /** * Returns true * @param c - The current context * @return true if Android has either a wifi or cellular connection active */ public static boolean checkConnection(Context c) { try { TelephonyManager telMan = (TelephonyManager) c.getSystemService(Context.TELEPHONY_SERVICE); WifiManager wifiMan = (WifiManager) c.getSystemService(Context.WIFI_SERVICE); if (telMan != null && wifiMan != null) { int dataState = telMan.getDataState(); if (dataState == TelephonyManager.DATA_CONNECTED || (wifiMan.isWifiEnabled() && wifiMan.pingSupplicant())) return true; } return false; } catch (Exception e) { Log.e(TAG, "Exception in checkConnection(): " + e.toString()); return false; } } public static AlertDialog createAlertMessage(Context c, String alertMessage) { return createAlertMessage(c, alertMessage, null); } public static AlertDialog createAlertMessage(Context c, String alertMessage, DialogInterface.OnClickListener listener) { AlertDialog.Builder builder = new AlertDialog.Builder(c); builder.setMessage(alertMessage).setCancelable(false) .setPositiveButton(c.getResources().getString(R.string.general_ok), listener); AlertDialog alert = builder.create(); alert.show(); return alert; } /** * Format a list of primary keys into a SQLite-formatted list of ids. * * Ex 1,2,3 is formatted as (1,2,3) */ public static String formatPrimaryKeyList(List<Long> idList) { StringBuilder sb = new StringBuilder("("); Iterator<Long> it = idList.iterator(); while (it.hasNext()) { sb.append(Long.toString(it.next())); if (it.hasNext()) { sb.append(","); } } sb.append(")"); return sb.toString(); } }