OOBProcessor.java

package com.example.oobexampleapp;


import java.util.Calendar;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import android.annotation.SuppressLint;
import android.content.Intent;
import android.provider.CalendarContract.Events;
import android.provider.CalendarContract;
import android.provider.MediaStore;
import android.telephony.SmsManager;
import android.util.Log;

public class OOBProcessor {
	
	MainActivity activity;
	Exception exception = null;
	static final int REQUEST_IMAGE_CAPTURE = 1;
	
	public OOBProcessor(MainActivity activity) {
		this.activity = activity;
	}
	
	// remove the oob tags and send it along to the processor
	public void removeOobTags(String output) throws Exception {
		if (output != null) {
			Pattern pattern = Pattern.compile("<oob>(.*)</oob>");
			Matcher matcher = pattern.matcher(output);
			if (matcher.find()) {
				String oobContent = matcher.group(1);
				processInnerOobTags(oobContent);
				activity.showBotResponse(matcher.replaceAll(""));
			}
		}
	}

	// check inner oob command and take appropriate action
	public void processInnerOobTags(String oobContent) throws Exception {
			if (oobContent.contains("<camera>")) {
				oobCamera();
			}
			if (oobContent.contains("<calendar>")) {
				oobCalendar(oobContent);
			}

	}
	
	// open the camera
	public void oobCamera() {	
		Intent cameraIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
		if (cameraIntent.resolveActivity(activity.getPackageManager()) != null) {
			activity.startActivityForResult(cameraIntent, REQUEST_IMAGE_CAPTURE);
		}
	}
	
	// make the calendar event
	@SuppressLint("NewApi")
	public void oobCalendar(String oobContent) {
		//match and extract the content in the various fields within the calendar event
		Pattern bHTimePattern = Pattern.compile("<starthour>(.*)</starthour>");
		Matcher bHTimeMatcher = bHTimePattern.matcher(oobContent);
		Pattern bMTimePattern = Pattern.compile("<startminute>(.*)</startminute>");
		Matcher bMTimeMatcher = bMTimePattern.matcher(oobContent);
		Pattern eHTimePattern = Pattern.compile("<endhour>(.*)</endhour>");
		Matcher eHTimeMatcher = eHTimePattern.matcher(oobContent);
		Pattern eMTimePattern = Pattern.compile("<endminutes>(.*)</endminutes>");
		Matcher eMTimeMatcher = eMTimePattern.matcher(oobContent);
		Pattern dayPattern = Pattern.compile("<day>(.*)</day>");
		Matcher dayMatcher = dayPattern.matcher(oobContent);
		Pattern yearPattern = Pattern.compile("<year>(.*)</year>");
		Matcher yearMatcher = yearPattern.matcher(oobContent);
		Pattern monthPattern = Pattern.compile("<month>(.*)</month>");
		Matcher monthMatcher = monthPattern.matcher(oobContent);
		Pattern titlePattern = Pattern.compile("<title>(.*)</title>");
		Matcher titleMatcher = titlePattern.matcher(oobContent);
		Pattern locPattern = Pattern.compile("<location>(.*)</location>");
		Matcher locMatcher = locPattern.matcher(oobContent);
		if (bHTimeMatcher.find() && bMTimeMatcher.find() && eHTimeMatcher.find() && eMTimeMatcher.find() && dayMatcher.find() && yearMatcher.find() && monthMatcher.find() && titleMatcher.find() && locMatcher.find()) {
			Intent calendarIntent = new Intent(Intent.ACTION_EDIT);
			calendarIntent.setType("vnd.android.cursor.item/event");
			try {
				// create the calendar intent with the data as specified from the conversation
				int year = Integer.parseInt(yearMatcher.group(1).toString());
				int day = Integer.parseInt(dayMatcher.group(1).toString());
				int month = Integer.parseInt(monthMatcher.group(1).toString());
				int hourOfDay = Integer.parseInt(bHTimeMatcher.group(1).toString());
				int minute = Integer.parseInt(bMTimeMatcher.group(1).toString());
				Calendar beginTime = Calendar.getInstance();
				beginTime.set(year, month, day, hourOfDay, minute);	
				hourOfDay = Integer.parseInt(eHTimeMatcher.group(1).toString());
				minute = Integer.parseInt(eMTimeMatcher.group(1).toString());
				Calendar endTime = Calendar.getInstance();
				endTime.set(year, month, day, hourOfDay, minute);
				calendarIntent.putExtra(CalendarContract.EXTRA_EVENT_BEGIN_TIME, beginTime.getTimeInMillis());
				calendarIntent.putExtra(CalendarContract.EXTRA_EVENT_END_TIME, endTime.getTimeInMillis());
				calendarIntent.putExtra(Events.TITLE, titleMatcher.group(1).toString());
				calendarIntent.putExtra(Events.EVENT_LOCATION, locMatcher.group(1).toString());
				activity.startActivity(calendarIntent);
			} catch (Exception ex) {
				activity.processBotResponse("There was an error in scheduling your event.");
			}
		} else activity.showBotResponse("There was an issue with one of the details you specificied. Please try and schedule your event again.");
	}
	
}