Examples with CharacterCodingException java.nio.charset.CharacterCodingException used on opensource projects

Example 21 with CharacterCodingException

use of java.nio.charset.CharacterCodingException in project robovm by robovm.

the class OldCharset_SingleByteAbstractTest method dumpDecoded.

public static void dumpDecoded() {
    Charset_TestGenerator.Dumper out = new Charset_TestGenerator.Dumper1();
    ByteBuffer inputBB = ByteBuffer.wrap(allBytes);
    CharBuffer outputCB;
    decoder.onMalformedInput(CodingErrorAction.REPLACE);
    try {
        outputCB = decoder.decode(inputBB);
        outputCB.rewind();
        while (outputCB.hasRemaining()) {
            out.consume(outputCB.get());
        }
    } catch (CharacterCodingException e) {
        System.out.println(e);
    //                e.printStackTrace();
    }
}

Example 22 with CharacterCodingException

use of java.nio.charset.CharacterCodingException in project frostwire by frostwire.

the class EncodedText method stringToUnicodeBytes.

public static byte[] stringToUnicodeBytes(String s, String characterSet) {
    Charset charset = Charset.forName(characterSet);
    CharsetEncoder encoder = charset.newEncoder();
    ByteBuffer byteBuffer;
    try {
        byteBuffer = encoder.encode(CharBuffer.wrap(s));
        return BufferTools.copyBuffer(byteBuffer.array(), 0, byteBuffer.limit());
    } catch (CharacterCodingException e) {
        return stringToUTF8Bytes(s);
    }
}

Example 23 with CharacterCodingException

use of java.nio.charset.CharacterCodingException in project uavstack by uavorg.

the class IOUtils method decode.

public static void decode(CharsetDecoder charsetDecoder, ByteBuffer byteBuf, CharBuffer charByte) {
    try {
        CoderResult cr = charsetDecoder.decode(byteBuf, charByte, true);
        if (!cr.isUnderflow()) {
            cr.throwException();
        }
        cr = charsetDecoder.flush(charByte);
        if (!cr.isUnderflow()) {
            cr.throwException();
        }
    } catch (CharacterCodingException x) {
        // so this shouldn't happen
        throw new JSONException(x.getMessage(), x);
    }
}

Example 24 with CharacterCodingException

use of java.nio.charset.CharacterCodingException in project alfresco-remote-api by Alfresco.

the class AuthenticationFilter method doFilter.

// Various services required by NTLM authenticator
/**
 * Run the authentication filter
 *
 * @param context ServletContext
 * @param req ServletRequest
 * @param resp ServletResponse
 * @param chain FilterChain
 * @exception ServletException
 * @exception IOException
 */
@Override
public void doFilter(ServletContext context, ServletRequest req, ServletResponse resp, FilterChain chain) throws IOException, ServletException {
    if (logger.isDebugEnabled())
        logger.debug("Entering AuthenticationFilter.");
    // Assume it's an HTTP request
    HttpServletRequest httpReq = (HttpServletRequest) req;
    HttpServletResponse httpResp = (HttpServletResponse) resp;
    // Get the user details object from the session
    SessionUser user = getSessionUser(context, httpReq, httpResp, false);
    if (user == null) {
        if (logger.isDebugEnabled())
            logger.debug("There is no user in the session.");
        // Get the authorization header
        String authHdr = httpReq.getHeader("Authorization");
        if (authHdr != null && authHdr.length() > 5 && authHdr.substring(0, 5).equalsIgnoreCase("BASIC")) {
            if (logger.isDebugEnabled())
                logger.debug("Basic authentication details present in the header.");
            byte[] encodedString = Base64.decodeBase64(authHdr.substring(5).getBytes());
            // ALF-13621: Due to browser inconsistencies we have to try a fallback path of encodings
            Set<String> attemptedAuths = new HashSet<String>(ENCODINGS.length * 2);
            for (String encoding : ENCODINGS) {
                CharsetDecoder decoder = Charset.forName(encoding).newDecoder().onMalformedInput(CodingErrorAction.REPORT);
                try {
                    // Attempt to decode using this charset
                    String basicAuth = decoder.decode(ByteBuffer.wrap(encodedString)).toString();
                    // It decoded OK but we may already have tried this string.
                    if (!attemptedAuths.add(basicAuth)) {
                        // Already tried - no need to try again
                        continue;
                    }
                    String username = null;
                    String password = null;
                    // Split the username and password
                    int pos = basicAuth.indexOf(":");
                    if (pos != -1) {
                        username = basicAuth.substring(0, pos);
                        password = basicAuth.substring(pos + 1);
                    } else {
                        username = basicAuth;
                        password = "";
                    }
                    // Go to the repo and authenticate
                    Authorization auth = new Authorization(username, password);
                    if (auth.isTicket()) {
                        authenticationService.validate(auth.getTicket());
                    } else {
                        authenticationService.authenticate(username, password.toCharArray());
                        if (authenticationListener != null) {
                            authenticationListener.userAuthenticated(new BasicAuthCredentials(username, password));
                        }
                    }
                    user = createUserEnvironment(httpReq.getSession(), authenticationService.getCurrentUserName(), authenticationService.getCurrentTicket(), false);
                    // Success so break out
                    break;
                } catch (CharacterCodingException e) {
                    if (logger.isDebugEnabled())
                        logger.debug("Didn't decode using " + decoder.getClass().getName(), e);
                } catch (AuthenticationException ex) {
                    if (logger.isDebugEnabled())
                        logger.debug("Authentication error ", ex);
                } catch (NoSuchPersonException e) {
                    if (logger.isDebugEnabled())
                        logger.debug("There is no such person error ", e);
                }
            }
        } else {
            // Check if the request includes an authentication ticket
            String ticket = req.getParameter(ARG_TICKET);
            if (ticket != null && ticket.length() > 0) {
                // PowerPoint bug fix
                if (ticket.endsWith(PPT_EXTN)) {
                    ticket = ticket.substring(0, ticket.length() - PPT_EXTN.length());
                }
                if (logger.isDebugEnabled())
                    logger.debug("Logon via ticket from " + req.getRemoteHost() + " (" + req.getRemoteAddr() + ":" + req.getRemotePort() + ")" + " ticket=" + ticket);
                // Validate the ticket
                authenticationService.validate(ticket);
                if (authenticationListener != null) {
                    authenticationListener.userAuthenticated(new TicketCredentials(ticket));
                }
                // Need to create the User instance if not already available
                String currentUsername = authenticationService.getCurrentUserName();
                user = createUserEnvironment(httpReq.getSession(), currentUsername, ticket, false);
            }
        }
        if (user == null) {
            if (logger.isDebugEnabled())
                logger.debug("No user/ticket, force the client to prompt for logon details.");
            httpResp.setHeader("WWW-Authenticate", "BASIC realm=\"Alfresco DAV Server\"");
            httpResp.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
            httpResp.flushBuffer();
            return;
        }
    } else {
        if (authenticationListener != null) {
            authenticationListener.userAuthenticated(new TicketCredentials(user.getTicket()));
        }
    }
    // Chain other filters
    chain.doFilter(req, resp);
}

Example 25 with CharacterCodingException

use of java.nio.charset.CharacterCodingException in project nifi by apache.

the class LuceneUtil method truncateIndexField.

/**
 * Truncate a single field so that it does not exceed Lucene's byte size limit on indexed terms.
 *
 * @param field the string to be indexed
 * @return a string that can be indexed which is within Lucene's byte size limit, or null if anything goes wrong
 */
public static String truncateIndexField(String field) {
    if (field == null) {
        return field;
    }
    Charset charset = Charset.defaultCharset();
    byte[] bytes = field.getBytes(charset);
    if (bytes.length <= IndexWriter.MAX_TERM_LENGTH) {
        return field;
    }
    // chop the field to maximum allowed byte length
    ByteBuffer bbuf = ByteBuffer.wrap(bytes, 0, IndexWriter.MAX_TERM_LENGTH);
    try {
        // decode the chopped byte buffer back into original charset
        CharsetDecoder decoder = charset.newDecoder();
        decoder.onMalformedInput(CodingErrorAction.IGNORE);
        decoder.reset();
        CharBuffer cbuf = decoder.decode(bbuf);
        return cbuf.toString();
    } catch (CharacterCodingException shouldNotHappen) {
    }
    // if we get here, something bad has happened
    return null;
}