Example usage for java.lang CharSequence subSequence

Introduction

In this page you can find the example usage for java.lang CharSequence subSequence.

Prototype

CharSequence subSequence(int start, int end);

Source Link

Document

Returns a CharSequence that is a subsequence of this sequence.

Usage

From source file:net.bluehack.ui.ChatActivity.java

private void searchLinks(final CharSequence charSequence, final boolean force) {
    if (currentEncryptedChat != null && (MessagesController.getInstance().secretWebpagePreview == 0
            || AndroidUtilities.getPeerLayerVersion(currentEncryptedChat.layer) < 46)) {
        return;/*  ww w. j a v a  2 s.  c o  m*/
    }
    if (force && foundWebPage != null) {
        if (foundWebPage.url != null) {
            int index = TextUtils.indexOf(charSequence, foundWebPage.url);
            char lastChar = 0;
            boolean lenEqual = false;
            if (index == -1) {
                if (foundWebPage.display_url != null) {
                    index = TextUtils.indexOf(charSequence, foundWebPage.display_url);
                    lenEqual = index != -1
                            && index + foundWebPage.display_url.length() == charSequence.length();
                    lastChar = index != -1 && !lenEqual
                            ? charSequence.charAt(index + foundWebPage.display_url.length())
                            : 0;
                }
            } else {
                lenEqual = index + foundWebPage.url.length() == charSequence.length();
                lastChar = !lenEqual ? charSequence.charAt(index + foundWebPage.url.length()) : 0;
            }
            if (index != -1 && (lenEqual || lastChar == ' ' || lastChar == ',' || lastChar == '.'
                    || lastChar == '!' || lastChar == '/')) {
                return;
            }
        }
        pendingLinkSearchString = null;
        showReplyPanel(false, null, null, foundWebPage, false, true);
    }
    Utilities.searchQueue.postRunnable(new Runnable() {
        @Override
        public void run() {
            if (linkSearchRequestId != 0) {
                ConnectionsManager.getInstance().cancelRequest(linkSearchRequestId, true);
                linkSearchRequestId = 0;
            }
            ArrayList<CharSequence> urls = null;
            CharSequence textToCheck;
            try {
                Matcher m = AndroidUtilities.WEB_URL.matcher(charSequence);
                while (m.find()) {
                    if (m.start() > 0) {
                        if (charSequence.charAt(m.start() - 1) == '@') {
                            continue;
                        }
                    }
                    if (urls == null) {
                        urls = new ArrayList<>();
                    }
                    urls.add(charSequence.subSequence(m.start(), m.end()));
                }
                if (urls != null && foundUrls != null && urls.size() == foundUrls.size()) {
                    boolean clear = true;
                    for (int a = 0; a < urls.size(); a++) {
                        if (!TextUtils.equals(urls.get(a), foundUrls.get(a))) {
                            clear = false;
                        }
                    }
                    if (clear) {
                        return;
                    }
                }
                foundUrls = urls;
                if (urls == null) {
                    AndroidUtilities.runOnUIThread(new Runnable() {
                        @Override
                        public void run() {
                            if (foundWebPage != null) {
                                showReplyPanel(false, null, null, foundWebPage, false, true);
                                foundWebPage = null;
                            }
                        }
                    });
                    return;
                }
                textToCheck = TextUtils.join(" ", urls);
            } catch (Exception e) {
                FileLog.e("tmessages", e);
                String text = charSequence.toString().toLowerCase();
                if (charSequence.length() < 13 || !text.contains("http://") && !text.contains("https://")) {
                    AndroidUtilities.runOnUIThread(new Runnable() {
                        @Override
                        public void run() {
                            if (foundWebPage != null) {
                                showReplyPanel(false, null, null, foundWebPage, false, true);
                                foundWebPage = null;
                            }
                        }
                    });
                    return;
                }
                textToCheck = charSequence;
            }

            if (currentEncryptedChat != null && MessagesController.getInstance().secretWebpagePreview == 2) {
                AndroidUtilities.runOnUIThread(new Runnable() {
                    @Override
                    public void run() {
                        AlertDialog.Builder builder = new AlertDialog.Builder(getParentActivity());
                        builder.setTitle(LocaleController.getString("AppName", R.string.AppName));
                        builder.setPositiveButton(LocaleController.getString("OK", R.string.OK),
                                new DialogInterface.OnClickListener() {
                                    @Override
                                    public void onClick(DialogInterface dialog, int which) {
                                        MessagesController.getInstance().secretWebpagePreview = 1;
                                        ApplicationLoader.applicationContext
                                                .getSharedPreferences("mainconfig", Activity.MODE_PRIVATE)
                                                .edit()
                                                .putInt("secretWebpage2",
                                                        MessagesController.getInstance().secretWebpagePreview)
                                                .commit();
                                        foundUrls = null;
                                        searchLinks(charSequence, force);
                                    }
                                });
                        builder.setNegativeButton(LocaleController.getString("Cancel", R.string.Cancel), null);
                        builder.setMessage(LocaleController.getString("SecretLinkPreviewAlert",
                                R.string.SecretLinkPreviewAlert));
                        showDialog(builder.create());

                        MessagesController.getInstance().secretWebpagePreview = 0;
                        ApplicationLoader.applicationContext
                                .getSharedPreferences("mainconfig", Activity.MODE_PRIVATE).edit()
                                .putInt("secretWebpage2", MessagesController.getInstance().secretWebpagePreview)
                                .commit();
                    }
                });
                return;
            }

            final TLRPC.TL_messages_getWebPagePreview req = new TLRPC.TL_messages_getWebPagePreview();
            if (textToCheck instanceof String) {
                req.message = (String) textToCheck;
            } else {
                req.message = textToCheck.toString();
            }
            linkSearchRequestId = ConnectionsManager.getInstance().sendRequest(req, new RequestDelegate() {
                @Override
                public void run(final TLObject response, final TLRPC.TL_error error) {
                    AndroidUtilities.runOnUIThread(new Runnable() {
                        @Override
                        public void run() {
                            linkSearchRequestId = 0;
                            if (error == null) {
                                if (response instanceof TLRPC.TL_messageMediaWebPage) {
                                    foundWebPage = ((TLRPC.TL_messageMediaWebPage) response).webpage;
                                    if (foundWebPage instanceof TLRPC.TL_webPage
                                            || foundWebPage instanceof TLRPC.TL_webPagePending) {
                                        if (foundWebPage instanceof TLRPC.TL_webPagePending) {
                                            pendingLinkSearchString = req.message;
                                        }
                                        if (currentEncryptedChat != null
                                                && foundWebPage instanceof TLRPC.TL_webPagePending) {
                                            foundWebPage.url = req.message;
                                        }
                                        showReplyPanel(true, null, null, foundWebPage, false, true);
                                    } else {
                                        if (foundWebPage != null) {
                                            showReplyPanel(false, null, null, foundWebPage, false, true);
                                            foundWebPage = null;
                                        }
                                    }
                                } else {
                                    if (foundWebPage != null) {
                                        showReplyPanel(false, null, null, foundWebPage, false, true);
                                        foundWebPage = null;
                                    }
                                }
                            }
                        }
                    });
                }
            });
            ConnectionsManager.getInstance().bindRequestToGuid(linkSearchRequestId, classGuid);
        }
    });
}

From source file:kr.wdream.ui.ChatActivity.java

private void searchLinks(final CharSequence charSequence, final boolean force) {
    if (currentEncryptedChat != null && (MessagesController.getInstance().secretWebpagePreview == 0
            || AndroidUtilities.getPeerLayerVersion(currentEncryptedChat.layer) < 46)) {
        return;/* ww  w .jav a  2s  . c  o m*/
    }
    if (force && foundWebPage != null) {
        if (foundWebPage.url != null) {
            int index = TextUtils.indexOf(charSequence, foundWebPage.url);
            char lastChar = 0;
            boolean lenEqual = false;
            if (index == -1) {
                if (foundWebPage.display_url != null) {
                    index = TextUtils.indexOf(charSequence, foundWebPage.display_url);
                    lenEqual = index != -1
                            && index + foundWebPage.display_url.length() == charSequence.length();
                    lastChar = index != -1 && !lenEqual
                            ? charSequence.charAt(index + foundWebPage.display_url.length())
                            : 0;
                }
            } else {
                lenEqual = index + foundWebPage.url.length() == charSequence.length();
                lastChar = !lenEqual ? charSequence.charAt(index + foundWebPage.url.length()) : 0;
            }
            if (index != -1 && (lenEqual || lastChar == ' ' || lastChar == ',' || lastChar == '.'
                    || lastChar == '!' || lastChar == '/')) {
                return;
            }
        }
        pendingLinkSearchString = null;
        showReplyPanel(false, null, null, foundWebPage, false, true);
    }
    Utilities.searchQueue.postRunnable(new Runnable() {
        @Override
        public void run() {
            if (linkSearchRequestId != 0) {
                ConnectionsManager.getInstance().cancelRequest(linkSearchRequestId, true);
                linkSearchRequestId = 0;
            }
            ArrayList<CharSequence> urls = null;
            CharSequence textToCheck;
            try {
                Matcher m = AndroidUtilities.WEB_URL.matcher(charSequence);
                while (m.find()) {
                    if (m.start() > 0) {
                        if (charSequence.charAt(m.start() - 1) == '@') {
                            continue;
                        }
                    }
                    if (urls == null) {
                        urls = new ArrayList<>();
                    }
                    urls.add(charSequence.subSequence(m.start(), m.end()));
                }
                if (urls != null && foundUrls != null && urls.size() == foundUrls.size()) {
                    boolean clear = true;
                    for (int a = 0; a < urls.size(); a++) {
                        if (!TextUtils.equals(urls.get(a), foundUrls.get(a))) {
                            clear = false;
                        }
                    }
                    if (clear) {
                        return;
                    }
                }
                foundUrls = urls;
                if (urls == null) {
                    AndroidUtilities.runOnUIThread(new Runnable() {
                        @Override
                        public void run() {
                            if (foundWebPage != null) {
                                showReplyPanel(false, null, null, foundWebPage, false, true);
                                foundWebPage = null;
                            }
                        }
                    });
                    return;
                }
                textToCheck = TextUtils.join(" ", urls);
            } catch (Exception e) {
                FileLog.e("tmessages", e);
                String text = charSequence.toString().toLowerCase();
                if (charSequence.length() < 13 || !text.contains("http://") && !text.contains("https://")) {
                    AndroidUtilities.runOnUIThread(new Runnable() {
                        @Override
                        public void run() {
                            if (foundWebPage != null) {
                                showReplyPanel(false, null, null, foundWebPage, false, true);
                                foundWebPage = null;
                            }
                        }
                    });
                    return;
                }
                textToCheck = charSequence;
            }

            if (currentEncryptedChat != null && MessagesController.getInstance().secretWebpagePreview == 2) {
                AndroidUtilities.runOnUIThread(new Runnable() {
                    @Override
                    public void run() {
                        AlertDialog.Builder builder = new AlertDialog.Builder(getParentActivity());
                        builder.setTitle(
                                LocaleController.getString("AppName", kr.wdream.storyshop.R.string.AppName));
                        builder.setPositiveButton(
                                LocaleController.getString("OK", kr.wdream.storyshop.R.string.OK),
                                new DialogInterface.OnClickListener() {
                                    @Override
                                    public void onClick(DialogInterface dialog, int which) {
                                        MessagesController.getInstance().secretWebpagePreview = 1;
                                        ApplicationLoader.applicationContext
                                                .getSharedPreferences("mainconfig", Activity.MODE_PRIVATE)
                                                .edit()
                                                .putInt("secretWebpage2",
                                                        MessagesController.getInstance().secretWebpagePreview)
                                                .commit();
                                        foundUrls = null;
                                        searchLinks(charSequence, force);
                                    }
                                });
                        builder.setNegativeButton(
                                LocaleController.getString("Cancel", kr.wdream.storyshop.R.string.Cancel),
                                null);
                        builder.setMessage(LocaleController.getString("SecretLinkPreviewAlert",
                                kr.wdream.storyshop.R.string.SecretLinkPreviewAlert));
                        showDialog(builder.create());

                        MessagesController.getInstance().secretWebpagePreview = 0;
                        ApplicationLoader.applicationContext
                                .getSharedPreferences("mainconfig", Activity.MODE_PRIVATE).edit()
                                .putInt("secretWebpage2", MessagesController.getInstance().secretWebpagePreview)
                                .commit();
                    }
                });
                return;
            }

            final TLRPC.TL_messages_getWebPagePreview req = new TLRPC.TL_messages_getWebPagePreview();
            if (textToCheck instanceof String) {
                req.message = (String) textToCheck;
            } else {
                req.message = textToCheck.toString();
            }
            linkSearchRequestId = ConnectionsManager.getInstance().sendRequest(req, new RequestDelegate() {
                @Override
                public void run(final TLObject response, final TLRPC.TL_error error) {
                    AndroidUtilities.runOnUIThread(new Runnable() {
                        @Override
                        public void run() {
                            linkSearchRequestId = 0;
                            if (error == null) {
                                if (response instanceof TLRPC.TL_messageMediaWebPage) {
                                    foundWebPage = ((TLRPC.TL_messageMediaWebPage) response).webpage;
                                    if (foundWebPage instanceof TLRPC.TL_webPage
                                            || foundWebPage instanceof TLRPC.TL_webPagePending) {
                                        if (foundWebPage instanceof TLRPC.TL_webPagePending) {
                                            pendingLinkSearchString = req.message;
                                        }
                                        if (currentEncryptedChat != null
                                                && foundWebPage instanceof TLRPC.TL_webPagePending) {
                                            foundWebPage.url = req.message;
                                        }
                                        showReplyPanel(true, null, null, foundWebPage, false, true);
                                    } else {
                                        if (foundWebPage != null) {
                                            showReplyPanel(false, null, null, foundWebPage, false, true);
                                            foundWebPage = null;
                                        }
                                    }
                                } else {
                                    if (foundWebPage != null) {
                                        showReplyPanel(false, null, null, foundWebPage, false, true);
                                        foundWebPage = null;
                                    }
                                }
                            }
                        }
                    });
                }
            });
            ConnectionsManager.getInstance().bindRequestToGuid(linkSearchRequestId, classGuid);
        }
    });
}