Example usage for java.lang Character isLetterOrDigit

Introduction

In this page you can find the example usage for java.lang Character isLetterOrDigit.

Prototype

public static boolean isLetterOrDigit(int codePoint) 

Source Link

Document

Determines if the specified character (Unicode code point) is a letter or digit.

Usage

From source file:com.kantenkugel.discordbot.modules.AutoRespond.java

@Override
public boolean handle(MessageEvent event, ServerConfig cfg) {
    if (event.isEdit() || event.getAuthor() == event.getJDA().getSelfInfo()
            || (!channels.isEmpty() && !channels.contains(event.getTextChannel().getId()))
            || event.getContent().startsWith(servercfg.getPrefix())) {
        return false;
    }/*from   w  ww.j av a2s  .c  om*/
    String content = event.getContent().toLowerCase();
    Optional<String> response = responses.values().parallelStream()
            .filter(r -> r.getLeft().parallelStream().allMatch(k -> {
                int i = content.indexOf(k);
                return i >= 0 //exists
                        && (i == 0 || content.charAt(i - 1) == ' ') //at beginning or after space
                        && (i + k.length() == content.length() //et end or no alphanumeric
                                || !Character.isLetterOrDigit(content.charAt(i + k.length())));
            })).map(Pair::getRight).findAny();
    if (response.isPresent()) {
        respondLog.info(String.format("[%s][%s] %s: %s\n\t->%s", event.getGuild().getName(),
                event.getTextChannel().getName(), event.getAuthor().getUsername(), event.getContent(),
                response.get()));
        MessageUtil.replySync(event, cfg, response.get());
    }
    return false;
}

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From source file:com.liferay.ide.maven.core.util.DefaultMaven2OsgiConverter.java

/**
 * Get the symbolic name as groupId + "." + artifactId, with the following exceptions
 * <ul>//from  w  w w.j  av  a  2  s  .c o  m
 * <li>if artifact.getFile is not null and the jar contains a OSGi Manifest with
 * Bundle-SymbolicName property then that value is returned</li>
 * <li>if groupId has only one section (no dots) and artifact.getFile is not null then the
 * first package name with classes is returned. eg. commons-logging:commons-logging ->
 * org.apache.commons.logging</li>
 * <li>if artifactId is equal to last section of groupId then groupId is returned. eg.
 * org.apache.maven:maven -> org.apache.maven</li>
 * <li>if artifactId starts with last section of groupId that portion is removed. eg.
 * org.apache.maven:maven-core -> org.apache.maven.core</li>
 * </ul>
 */
public String getBundleSymbolicName(Artifact artifact) {
    if ((artifact.getFile() != null) && artifact.getFile().exists()) {
        Analyzer analyzer = new Analyzer();

        try {
            JarFile jar = new JarFile(artifact.getFile(), false);

            if (jar.getManifest() != null) {
                String symbolicNameAttribute = jar.getManifest().getMainAttributes()
                        .getValue(Analyzer.BUNDLE_SYMBOLICNAME);
                Map bundleSymbolicNameHeader = analyzer.parseHeader(symbolicNameAttribute);

                Iterator it = bundleSymbolicNameHeader.keySet().iterator();
                if (it.hasNext()) {
                    return (String) it.next();
                }
            }
        } catch (IOException e) {
            throw new RuntimeException("Error reading manifest in jar " + artifact.getFile().getAbsolutePath(),
                    e);
        }
    }

    int i = artifact.getGroupId().lastIndexOf('.');
    if ((i < 0) && (artifact.getFile() != null) && artifact.getFile().exists()) {
        String groupIdFromPackage = getGroupIdFromPackage(artifact.getFile());
        if (groupIdFromPackage != null) {
            return groupIdFromPackage;
        }
    }
    String lastSection = artifact.getGroupId().substring(++i);
    if (artifact.getArtifactId().equals(lastSection)) {
        return artifact.getGroupId();
    }
    if (artifact.getArtifactId().startsWith(lastSection)) {
        String artifactId = artifact.getArtifactId().substring(lastSection.length());
        if (Character.isLetterOrDigit(artifactId.charAt(0))) {
            return getBundleSymbolicName(artifact.getGroupId(), artifactId);
        } else {
            return getBundleSymbolicName(artifact.getGroupId(), artifactId.substring(1));
        }
    }
    return getBundleSymbolicName(artifact.getGroupId(), artifact.getArtifactId());
}

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From source file:com.redhat.rhn.common.util.StringUtil.java

/**
 * Converts the passed in string to a valid java Class name. This basically
 * capitalizes each word and removes all word delimiters.
 * @param strIn The string to convert.//from ww  w .  j  a va  2  s.c  o  m
 * @return The converted string.
 */
public static String classify(String strIn) {
    String str = strIn.trim();
    StringBuilder result = new StringBuilder(str.length());
    boolean wasWhitespace = false;

    for (int i = 0, j = 0; i < str.length(); i++) {
        char c = str.charAt(i);
        if (Character.isLetterOrDigit(c)) {
            if (i == 0) {
                c = Character.toUpperCase(c);
            }
            if (wasWhitespace) {
                c = Character.toUpperCase(c);
                wasWhitespace = false;
            }
            result.insert(j, c);
            j++;
            continue;
        }
        wasWhitespace = true;
    }
    return result.toString();
}

---

From source file:com.awt.supark.EditCar.java

@Nullable
@Override/*from  w w  w. j  a  va2  s.  c om*/
public View onCreateView(LayoutInflater inflater, ViewGroup container, final Bundle savedInstanceState) {
    view = inflater.inflate(R.layout.edit_car, container, false);

    addCarButton = (Button) view.findViewById(R.id.DoneButton);
    deleteButton = (Button) view.findViewById(R.id.DeleteButton);
    cancelButton = (Button) view.findViewById(R.id.cancelButton);
    carName = (EditText) view.findViewById(R.id.carName);
    carLicense = (EditText) view.findViewById(R.id.carLicense);
    txtCity = (TextView) view.findViewById(R.id.city);
    txtNum = (TextView) view.findViewById(R.id.number);
    radioNewSrb = (RadioButton) view.findViewById(R.id.radioNewSrb);
    radioGeneric = (RadioButton) view.findViewById(R.id.radioGeneric);
    radioLicenseGroup = (RadioGroup) view.findViewById(R.id.radioLicenseGroup);
    licensePlate = (LinearLayout) view.findViewById(R.id.licensePlate);
    licenseNum = "";
    context = getContext();

    // Setting the custom font
    Typeface licenseFont = Typeface.createFromAsset(getContext().getAssets(), "fonts/LicensePlate.ttf");
    txtCity.setTypeface(licenseFont);
    txtNum.setTypeface(licenseFont);

    db = SQLiteDatabase.openDatabase(getContext().getFilesDir().getPath() + "/carDB.db", null,
            SQLiteDatabase.CREATE_IF_NECESSARY);
    final Bundle b = getArguments();

    if (b.getInt("editid") != -1) {
        editid = b.getInt("editid");
        Cursor d = db.rawQuery("SELECT * FROM cars WHERE car_id = " + editid, null);
        d.moveToFirst();

        carName.setText(d.getString(d.getColumnIndex("car_name")));
        licenseNum = d.getString(d.getColumnIndex("car_license"));
        carLicense.setText(licenseNum);

        if (d.getInt(d.getColumnIndex("isgeneric")) == 0) {
            radioNewSrb.setChecked(true);
            radioGeneric.setChecked(false);
            radioListener();
        } else {
            radioGeneric.setChecked(true);
            radioNewSrb.setChecked(false);
            radioListener();
        }

        deleteButton.setVisibility(View.VISIBLE);
        if (isCarParked(editid)) {
            deleteButton.setEnabled(false);
        }
        TextView text = (TextView) view.findViewById(R.id.text1);
        text.setText(context.getResources().getString(R.string.edit_car));
        d.close();
    } else {
        radioNewSrb.setChecked(true);
        radioListener();
    }

    addCarButton.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if (editid == -1) {
                addCar(v);
            } else {
                editCar(v);
            }
        }
    });

    deleteButton.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            showDeleteQuestionDialog("", getResources().getString(R.string.are_you_sure), v);
        }
    });

    cancelButton.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            ((MainActivity) context).openCarFragment(null, true);
        }
    });

    // Filters the emojis and other unwanted characters
    filter = new InputFilter() {
        public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart,
                int dend) {
            for (int i = start; i < end; i++) {
                if (!Character.isLetterOrDigit(source.charAt(i))) {
                    return "";
                }
            }
            return null;
        }
    };
    carName.setFilters(new InputFilter[] { filter });
    //carLicense.setFilters(new InputFilter[] { filter });

    // License number filler
    carLicense.addTextChangedListener(new TextWatcher() {
        @Override
        public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {

        }

        @Override
        public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {
            licenseNum = charSequence.toString();
            updateLicensePlate(charSequence);
        }

        @Override
        public void afterTextChanged(Editable editable) {

        }
    });

    radioLicenseGroup.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
        @Override
        public void onCheckedChanged(RadioGroup radioGroup, int i) {
            radioListener();
        }
    });

    return view;
}

---

From source file:org.tightblog.util.Utilities.java

/**
 * Replaces occurrences of non-alphanumeric characters with a supplied char.
 * Exception: apostrophes are removed with no replacement
 *//*from w ww.j  a  va 2  s .c o  m*/
public static String replaceNonAlphanumeric(String str, char subst) {
    StringBuilder ret = new StringBuilder(str.length());
    char[] testChars = str.toCharArray();
    for (char aChar : testChars) {
        if (Character.isLetterOrDigit(aChar)) {
            ret.append(aChar);
        } else if (aChar != '\'') {
            ret.append(subst);
        }
    }
    return ret.toString();
}

---

From source file:org.janusgraph.core.attribute.Text.java

public static List<String> tokenize(String str) {
    ArrayList<String> tokens = new ArrayList<String>();
    int previous = 0;
    for (int p = 0; p < str.length(); p++) {
        if (!Character.isLetterOrDigit(str.charAt(p))) {
            if (p > previous + MIN_TOKEN_LENGTH)
                tokens.add(str.substring(previous, p));
            previous = p + 1;// ww w.j a va  2s.  c o  m
        }
    }
    if (previous + MIN_TOKEN_LENGTH < str.length())
        tokens.add(str.substring(previous, str.length()));
    return tokens;
}

---

From source file:nz.ac.otago.psyanlab.common.designer.program.operand.RenameOperandDialogueFragment.java

@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
    Bundle args = getArguments();//from w  w w .j  av a 2 s  .c om
    if (args != null) {
        mOperandId = args.getLong(ARG_OPERAND_ID, -1);
    }

    if (mOperandId == -1) {
        throw new RuntimeException("Invalid operand id.");
    }

    mOperand = mCallbacks.getOperand(mOperandId);

    LayoutInflater inflater = getActivity().getLayoutInflater();
    View view = inflater.inflate(R.layout.dialogue_rename_variable, null);
    mName = (EditText) view.findViewById(R.id.name);
    mName.setText(mOperand.getName());

    // Thanks to serwus <http://stackoverflow.com/users/1598308/serwus>,
    // who posted at <http://stackoverflow.com/a/20325852>. Modified to
    // support unicode codepoints and validating first character of input.
    InputFilter filter = new InputFilter() {
        @Override
        public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart,
                int dend) {
            boolean keepOriginal = true;
            StringBuilder sb = new StringBuilder(end - start);

            int offset = 0;
            String s = source.toString();

            while (offset < s.length()) {
                final int codePoint = s.codePointAt(offset);
                if ((offset == 0 && isAllowedAsFirst(codePoint)) || (offset > 0 && isAllowed(codePoint))) {
                    sb.appendCodePoint(codePoint);
                } else {
                    keepOriginal = false;
                }
                offset += Character.charCount(codePoint);
            }

            if (keepOriginal)
                return null;
            else {
                if (source instanceof Spanned) {
                    SpannableString sp = new SpannableString(sb);
                    TextUtils.copySpansFrom((Spanned) source, start, sb.length(), null, sp, 0);
                    return sp;
                } else {
                    return sb;
                }
            }
        }

        private boolean isAllowed(int codePoint) {
            return Character.isLetterOrDigit(codePoint);
        }

        private boolean isAllowedAsFirst(int codePoint) {
            return Character.isLetter(codePoint);
        }
    };

    mName.setFilters(new InputFilter[] { filter });

    // Build dialogue.
    AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
    builder.setTitle(getString(R.string.title_rename_variable, mOperand.getName())).setView(view)
            .setPositiveButton(R.string.action_rename, mPositiveListener)
            .setNegativeButton(R.string.action_cancel, mNegativeListener);

    // Create the AlertDialog object and return it
    Dialog dialog = builder.create();
    dialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);
    return dialog;
}

---

From source file:us.conxio.hl7.hl7message.HL7Encoding.java

/**
 * Checks for valid encoding character//from  ww  w.  java 2 s .  c om
 * @param charV the encoding character value to check
 * @return true if valid, otherwise false.
 */
private boolean isValidEncoder(int charV) {
    if (charV == 0 || Character.isLetterOrDigit(charV) || Character.isWhitespace(charV)) {
        return false;
    } // if

    return true;
}

---

From source file:com.microsoft.tfs.jni.helpers.LocalHost.java

/**
 * Only called when all techniques to get the host name fail. Simply makes
 * up a string based on the username./*  www .j ava  2  s. c o  m*/
 *
 * @return a made-up hostname including the username running Java and some
 *         other text. Never null.
 */
private static String getMadeUpShortName() {
    String username = System.getProperty("user.name"); //$NON-NLS-1$

    /*
     * Scrub out non-alphanumeric characters.
     */
    if (username != null) {
        final StringBuffer newUsername = new StringBuffer();
        for (int i = 0; i < username.length(); i++) {
            final char c = username.charAt(i);

            if (Character.isLetterOrDigit(c)) {
                newUsername.append(c);
            }
        }

        username = newUsername.toString();
    }

    if (username != null && username.length() != 0) {
        // Something like "JohnComputer".
        return username + "Computer"; //$NON-NLS-1$
    }

    log.warn(MessageFormat.format(
            "Could not make a hostname from the username '{0}' because it had no usable characters", //$NON-NLS-1$
            username));

    // Everything failed.
    return "TEEComputer"; //$NON-NLS-1$
}

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From source file:org.ajax4jsf.javascript.ScriptUtils.java

public static String getValidJavascriptName(String s) {

    StringBuffer buf = null;/*from  ww  w  .  j av  a2 s .c  o m*/
    for (int i = 0, len = s.length(); i < len; i++) {
        char c = s.charAt(i);

        if (Character.isLetterOrDigit(c) || c == '_') {
            // allowed char
            if (buf != null)
                buf.append(c);
        } else {
            if (buf == null) {
                buf = new StringBuffer(s.length() + 10);
                buf.append(s.substring(0, i));
            }

            buf.append('_');
            if (c < 16) {
                // pad single hex digit values with '0' on the left
                buf.append('0');
            }

            if (c < 128) {
                // first 128 chars match their byte representation in UTF-8
                buf.append(Integer.toHexString(c).toUpperCase());
            } else {
                byte[] bytes;
                try {
                    bytes = Character.toString(c).getBytes("UTF-8");
                } catch (UnsupportedEncodingException e) {
                    throw new RuntimeException(e);
                }

                for (int j = 0; j < bytes.length; j++) {
                    int intVal = bytes[j];
                    if (intVal < 0) {
                        // intVal will be >= 128
                        intVal = 256 + intVal;
                    } else if (intVal < 16) {
                        // pad single hex digit values with '0' on the left
                        buf.append('0');
                    }
                    buf.append(Integer.toHexString(intVal).toUpperCase());
                }
            }
        }

    }

    return buf == null ? s : buf.toString();
}

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