public boolean shouldOverrideUrlLoading()

in src/android/InAppBrowser.java [1156:1275]
106 lines of code
38 McCabe index (conditional complexity)

        public boolean shouldOverrideUrlLoading(String url, String method) {
            boolean override = false;
            boolean useBeforeload = false;
            String errorMessage = null;

            if (beforeload.equals("yes") && method == null) {
                useBeforeload = true;
            } else if(beforeload.equals("yes")
                    //TODO handle POST requests then this condition can be removed:
                    && !method.equals("POST"))
            {
                useBeforeload = true;
            } else if(beforeload.equals("get") && (method == null || method.equals("GET"))) {
                useBeforeload = true;
            } else if(beforeload.equals("post") && (method == null || method.equals("POST"))) {
                //TODO handle POST requests
                errorMessage = "beforeload doesn't yet support POST requests";
            }

            // On first URL change, initiate JS callback. Only after the beforeload event, continue.
            if (useBeforeload && this.waitForBeforeload) {
                if(sendBeforeLoad(url, method)) {
                    return true;
                }
            }

            if(errorMessage != null) {
                try {
                    LOG.e(LOG_TAG, errorMessage);
                    JSONObject obj = new JSONObject();
                    obj.put("type", LOAD_ERROR_EVENT);
                    obj.put("url", url);
                    obj.put("code", -1);
                    obj.put("message", errorMessage);
                    sendUpdate(obj, true, PluginResult.Status.ERROR);
                } catch(Exception e) {
                    LOG.e(LOG_TAG, "Error sending loaderror for " + url + ": " + e.toString());
                }
            }

            if (url.startsWith(WebView.SCHEME_TEL)) {
                try {
                    Intent intent = new Intent(Intent.ACTION_DIAL);
                    intent.setData(Uri.parse(url));
                    cordova.getActivity().startActivity(intent);
                    override = true;
                } catch (android.content.ActivityNotFoundException e) {
                    LOG.e(LOG_TAG, "Error dialing " + url + ": " + e.toString());
                }
            } else if (url.startsWith("geo:") || url.startsWith(WebView.SCHEME_MAILTO) || url.startsWith("market:") || url.startsWith("intent:")) {
                try {
                    Intent intent = new Intent(Intent.ACTION_VIEW);
                    intent.setData(Uri.parse(url));
                    cordova.getActivity().startActivity(intent);
                    override = true;
                } catch (android.content.ActivityNotFoundException e) {
                    LOG.e(LOG_TAG, "Error with " + url + ": " + e.toString());
                }
            }
            // If sms:5551212?body=This is the message
            else if (url.startsWith("sms:")) {
                try {
                    Intent intent = new Intent(Intent.ACTION_VIEW);

                    // Get address
                    String address = null;
                    int parmIndex = url.indexOf('?');
                    if (parmIndex == -1) {
                        address = url.substring(4);
                    } else {
                        address = url.substring(4, parmIndex);

                        // If body, then set sms body
                        Uri uri = Uri.parse(url);
                        String query = uri.getQuery();
                        if (query != null) {
                            if (query.startsWith("body=")) {
                                intent.putExtra("sms_body", query.substring(5));
                            }
                        }
                    }
                    intent.setData(Uri.parse("sms:" + address));
                    intent.putExtra("address", address);
                    intent.setType("vnd.android-dir/mms-sms");
                    cordova.getActivity().startActivity(intent);
                    override = true;
                } catch (android.content.ActivityNotFoundException e) {
                    LOG.e(LOG_TAG, "Error sending sms " + url + ":" + e.toString());
                }
            }
            // Test for whitelisted custom scheme names like mycoolapp:// or twitteroauthresponse:// (Twitter Oauth Response)
            else if (!url.startsWith("http:") && !url.startsWith("https:") && url.matches("^[A-Za-z0-9+.-]*://.*?$")) {
                if (allowedSchemes == null) {
                    String allowed = preferences.getString("AllowedSchemes", null);
                    if(allowed != null) {
                        allowedSchemes = allowed.split(",");
                    }
                }
                if (allowedSchemes != null) {
                    for (String scheme : allowedSchemes) {
                        if (url.startsWith(scheme)) {
                            try {
                                JSONObject obj = new JSONObject();
                                obj.put("type", "customscheme");
                                obj.put("url", url);
                                sendUpdate(obj, true);
                                override = true;
                            } catch (JSONException ex) {
                                LOG.e(LOG_TAG, "Custom Scheme URI passed in has caused a JSON error.");
                            }
                        }
                    }
                }
            }

            if (useBeforeload) {
                this.waitForBeforeload = true;
            }
            return override;
        }