Examples of com.caucho.util.CharSegment

com.caucho.util.CharSegment
CharSegment is a section of a character buffer

   *
   * @return the value of the header as an integer.
   */
  public int getIntHeader(String key)
  {
    CharSegment value = getHeaderBuffer(key);


    if (value == null)
      return -1;


    int len = value.length();
    if (len == 0)
      throw new NumberFormatException(value.toString());


    int iValue = 0;
    int i = 0;
    int ch = value.charAt(i);
    int sign = 1;
    if (ch == '+') {
      if (i + 1 < len)
        ch = value.charAt(++i);
      else
        throw new NumberFormatException(value.toString());
    } else if (ch == '-') {
      sign = -1;
      if (i + 1 < len)
        ch = value.charAt(++i);
      else
        throw new NumberFormatException(value.toString());
    }


    for (; i < len && (ch = value.charAt(i)) >= '0' && ch <= '9'; i++)
      iValue = 10 * iValue + ch - '0';


    if (i < len)
      throw new NumberFormatException(value.toString());


    return sign * iValue;
  }

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  public String getCharacterEncoding()
  {
    if (_readEncoding != null)
      return _readEncoding;


    CharSegment value = getHeaderBuffer("Content-Type");


    if (value == null)
      return null;


    int i = value.indexOf("charset");
    if (i < 0)
      return null;


    int len = value.length();
    for (i += 7; i < len && Character.isWhitespace(value.charAt(i)); i++) {
    }


    if (i >= len || value.charAt(i) != '=')
      return null;


    for (i++; i < len && Character.isWhitespace(value.charAt(i)); i++) {
    }


    if (i >= len)
      return null;


    char end = value.charAt(i);
    if (end == '"') {
      int tail;
      for (tail = ++i; tail < len; tail++) {
        if (value.charAt(tail) == end)
          break;
      }


      _readEncoding = Encoding.getMimeName(value.substring(i, tail));


      return _readEncoding;
    }


    int tail;
    for (tail = i; tail < len; tail++) {
      if (Character.isWhitespace(value.charAt(tail))
          || value.charAt(tail) == ';')
        break;
    }


    _readEncoding = Encoding.getMimeName(value.substring(i, tail));


    return _readEncoding;
  }

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   * Returns the HTTP method (GET, POST, HEAD, etc.)
   */
  public String getMethod()
  {
    if (_methodString == null) {
      CharSegment cb = getMethodBuffer();
      if (cb.length() == 0) {
        _methodString = "GET";
        return _methodString;
      }


      switch (cb.charAt(0)) {
      case 'G':
        _methodString = cb.equals(_getCb) ? "GET" : cb.toString();
        break;


      case 'H':
        _methodString = cb.equals(_headCb) ? "HEAD" : cb.toString();
        break;


      case 'P':
        _methodString = cb.equals(_postCb) ? "POST" : cb.toString();
        break;


      default:
        _methodString = cb.toString();
      }
    }


    return _methodString;
  }

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  int getVersion()
  {
    if (_version > 0)
      return _version;


    CharSegment protocol = getProtocolBuffer();
    if (protocol.equals("HTTP/1.1")) {
      _version = HTTP_1_1;
      return HTTP_1_1;
    }
    if (protocol.equals("HTTP/1.0")) {
      _version = HTTP_1_0;
      return _version;
    }
    else if (protocol.equals("HTTP/0.9")) {
      _version = HTTP_0_9;
      return HTTP_0_9;
    }
    else if (protocol.length() < 8) {
      _version = HTTP_0_9;
      return _version;
    }




    int i = protocol.indexOf('/');
    int len = protocol.length();
    int major = 0;
    for (i++; i < len; i++) {
      char ch = protocol.charAt(i);


      if ('0' <= ch && ch <= '9')
        major = 10 * major + ch - '0';
      else if (ch == '.')
        break;
      else {
        _version = HTTP_1_0;
        return _version;
      }
    }


    int minor = 0;
    for (i++; i < len; i++) {
      char ch = protocol.charAt(i);


      if ('0' <= ch && ch <= '9')
        minor = 10 * minor + ch - '0';
      else
        break;

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  /**
   * Returns the header.
   */
  public String getHeader(String key)
  {
    CharSegment buf = getHeaderBuffer(key);
    if (buf != null)
      return buf.toString();
    else
      return null;
  }

View Full Code Here

  {
    char []keyBuf = _headerBuffer;
    CharSegment []headerKeys = _headerKeys;


    for (int i = _headerSize - 1; i >= 0; i--) {
      CharSegment key = headerKeys[i];


      if (key.length() != length)
        continue;


      int offset = key.getOffset();
      int j;
      for (j = length - 1; j >= 0; j--) {
        char a = testBuf[j];
        char b = keyBuf[offset + j];
        if (a == b)

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    int length = key.length();


    char []keyBuf = _headerBuffer;


    for (; i < size; i++) {
      CharSegment header = _headerKeys[i];


      if (header.length() != length)
        continue;


      int offset = header.getOffset();


      int j;
      for (j = 0; j < length; j++) {
        char a = key.charAt(j);
        char b = keyBuf[offset + j];

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  public Enumeration getHeaderNames()
  {
    ArrayList<String> names = new ArrayList<String>();


    for (int i = 0; i < _headerSize; i++) {
      CharSegment name = _headerKeys[i];


      int j;
      for (j = 0; j < names.size(); j++) {
        String oldName = names.get(j);
        if (name.matches(oldName))
          break;
      }
      if (j == names.size())
        names.add(j, name.toString());
    }


    return Collections.enumeration(names);
  }

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  {
    HashMapImpl<String,String[]> form = _request.getForm();


    try {
      String query = getQueryString();
      CharSegment contentType = _request.getContentTypeBuffer();


      if (query == null && contentType == null)
        return form;


      Form formParser = _request.getFormParser();
      long contentLength = _request.getLongContentLength();


      String charEncoding = getCharacterEncoding();
      if (charEncoding == null) {
        charEncoding = (String) getAttribute(CAUCHO_CHAR_ENCODING);
        if (charEncoding == null)
          charEncoding = (String) getAttribute(CHAR_ENCODING);
        if (charEncoding == null) {
          Locale locale = (Locale) getAttribute(FORM_LOCALE);
          if (locale != null)
            charEncoding = Encoding.getMimeName(locale);
        }
      }


      if (query != null) {
        String queryEncoding = charEncoding;


        if (queryEncoding == null && getServer() != null)
          queryEncoding = getServer().getURLCharacterEncoding();


        if (queryEncoding == null)
          queryEncoding = CharacterEncoding.getLocalEncoding();


        String javaEncoding = Encoding.getJavaName(queryEncoding);


        formParser.parseQueryString(form, query, javaEncoding, true);
      }


      if (charEncoding == null)
        charEncoding = CharacterEncoding.getLocalEncoding();


      String javaEncoding = Encoding.getJavaName(charEncoding);


      if (contentType == null || ! "POST".equalsIgnoreCase(getMethod())) {
      }


      else if (contentType.startsWith("application/x-www-form-urlencoded")) {
        formParser.parsePostData(form, getInputStream(), javaEncoding);
      }


      else if (getWebApp().doMultipartForm()
               && contentType.startsWith("multipart/form-data")) {
        int length = contentType.length();
        int i = contentType.indexOf("boundary=");


        if (i < 0)
          return form;


        long formUploadMax = getWebApp().getFormUploadMax();


        Object uploadMax = getAttribute("caucho.multipart.form.upload-max");
        if (uploadMax instanceof Number)
          formUploadMax = ((Number) uploadMax).longValue();


        // XXX: should this be an error?
        if (formUploadMax >= 0 && formUploadMax < contentLength) {
          setAttribute("caucho.multipart.form.error",
                       L.l("Multipart form upload of '{0}' bytes was too large.",
                           String.valueOf(contentLength)));
          setAttribute("caucho.multipart.form.error.size",
                       new Long(contentLength));


          return form;
        }


        MultipartConfigElement multipartConfig
          = _invocation.getMultipartConfig();


        long fileUploadMax = -1;


        if (multipartConfig != null) {
          formUploadMax = multipartConfig.getMaxRequestSize();
          fileUploadMax = multipartConfig.getMaxFileSize();
        }


        if (multipartConfig != null
            && formUploadMax > 0
            && formUploadMax < contentLength)
          throw new IllegalStateException(L.l(
            "multipart form data request's Content-Length '{0}' is greater then configured in @MultipartConfig.maxRequestSize value: '{1}'",
            contentLength,
            formUploadMax));


        i += "boundary=".length();
        char ch = contentType.charAt(i);
        CharBuffer boundary = new CharBuffer();
        if (ch == '\'') {
          for (i++; i < length && contentType.charAt(i) != '\''; i++)
            boundary.append(contentType.charAt(i));
        }
        else if (ch == '\"') {
          for (i++; i < length && contentType.charAt(i) != '\"'; i++)
            boundary.append(contentType.charAt(i));
        }
        else {
          for (;
               i < length && (ch = contentType.charAt(i)) != ' ' &&
                 ch != ';';
               i++) {
            boundary.append(ch);
          }
        }

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