Mobilizon/app-facebook-event-scraper
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Code Issues Releases Wiki Activity

use regex to check if URL valid

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fix querystrings issue, closes #17
This commit is contained in:
akaessens
2020-08-26 14:25:53 +02:00
parent 868a5340e9
commit 5af23c1962
1 changed files with 10 additions and 28 deletions
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36
app/src/main/java/com/akdev/nofbeventscraper/MainActivity.java
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@ -17,7 +17,6 @@ import android.view.MenuItem;
import android.view.View; import android.view.View;
import android.widget.Button; import android.widget.Button;
import android.widget.ImageView; import android.widget.ImageView;
import android.widget.Toast;
import com.google.android.material.textfield.TextInputLayout; import com.google.android.material.textfield.TextInputLayout;
import com.squareup.picasso.Picasso; import com.squareup.picasso.Picasso;
@ -30,7 +29,6 @@ import java.time.format.DateTimeFormatter;
public class MainActivity extends AppCompatActivity { public class MainActivity extends AppCompatActivity {
private Button paste_button; private Button paste_button;
private Button cancel_button;
private Button ok_button; private Button ok_button;
private TextInputEditText field_uri_input; private TextInputEditText field_uri_input;
@ -200,37 +198,22 @@ public class MainActivity extends AppCompatActivity {
// check for a valid uri // check for a valid uri
new URL(str).toURI(); new URL(str).toURI();
String eventId = null; if (str.matches(".*(facebook.com/events/[0-9]*).*")) {
return str.replaceAll(".*(facebook.com/events/[0-9]*).*",
// check for facebook uri "https://www.$1");
if (str.contains("facebook.com/events/")) {
// find event id
String[] separated = str.split("/");
for (int i = 0; i < separated.length; i++) {
if (separated[i].length() > 8 && isNumeric(separated[i])) {
eventId = separated[i];
break;
} }
else {
error("Error: Invalid URL");
clear(false);
return "";
} }
if (eventId == null) // no event id found
{
throw new Exception();
}
} else {
throw new Exception();
}
String input_uri = "https://www.facebook.com/events/" + eventId;
str = input_uri;
} }
catch (Exception e) { catch (Exception e) {
e.printStackTrace(); e.printStackTrace();
clear(false);
error("Error: Invalid URL"); error("Error: Invalid URL");
str = ""; clear(false);
return "";
} }
return str;
} }
public void startScraping() { public void startScraping() {
@ -251,7 +234,6 @@ public class MainActivity extends AppCompatActivity {
} }
catch (Exception e) { catch (Exception e) {
e.printStackTrace(); e.printStackTrace();
clear(false);
error("Error: Invalid URL"); error("Error: Invalid URL");
} }