Examples with ParserCursor org.apache.http.message.ParserCursor used on opensource projects

Example 16 with ParserCursor

use of org.apache.http.message.ParserCursor in project XobotOS by xamarin.

the class AndroidHttpClientConnection method parseResponseHeader.

/**
     * Parses the response headers and adds them to the
     * given {@code headers} object, and returns the response StatusLine
     * @param headers store parsed header to headers.
     * @throws IOException
     * @return StatusLine
     * @see HttpClientConnection#receiveResponseHeader()
      */
public StatusLine parseResponseHeader(Headers headers) throws IOException, ParseException {
    assertOpen();
    CharArrayBuffer current = new CharArrayBuffer(64);
    if (inbuffer.readLine(current) == -1) {
        throw new NoHttpResponseException("The target server failed to respond");
    }
    // Create the status line from the status string
    StatusLine statusline = BasicLineParser.DEFAULT.parseStatusLine(current, new ParserCursor(0, current.length()));
    if (HttpLog.LOGV)
        HttpLog.v("read: " + statusline);
    int statusCode = statusline.getStatusCode();
    // Parse header body
    CharArrayBuffer previous = null;
    int headerNumber = 0;
    while (true) {
        if (current == null) {
            current = new CharArrayBuffer(64);
        } else {
            // This must be he buffer used to parse the status
            current.clear();
        }
        int l = inbuffer.readLine(current);
        if (l == -1 || current.length() < 1) {
            break;
        }
        // Parse the header name and value
        // Check for folded headers first
        // Detect LWS-char see HTTP/1.0 or HTTP/1.1 Section 2.2
        // discussion on folded headers
        char first = current.charAt(0);
        if ((first == ' ' || first == '\t') && previous != null) {
            // we have continuation folded header
            // so append value
            int start = 0;
            int length = current.length();
            while (start < length) {
                char ch = current.charAt(start);
                if (ch != ' ' && ch != '\t') {
                    break;
                }
                start++;
            }
            if (maxLineLength > 0 && previous.length() + 1 + current.length() - start > maxLineLength) {
                throw new IOException("Maximum line length limit exceeded");
            }
            previous.append(' ');
            previous.append(current, start, current.length() - start);
        } else {
            if (previous != null) {
                headers.parseHeader(previous);
            }
            headerNumber++;
            previous = current;
            current = null;
        }
        if (maxHeaderCount > 0 && headerNumber >= maxHeaderCount) {
            throw new IOException("Maximum header count exceeded");
        }
    }
    if (previous != null) {
        headers.parseHeader(previous);
    }
    if (statusCode >= 200) {
        this.metrics.incrementResponseCount();
    }
    return statusline;
}

Example 17 with ParserCursor

use of org.apache.http.message.ParserCursor in project xUtils by wyouflf.

the class URLEncodedUtils method parse.

/**
     * Returns a list of {@link org.apache.http.NameValuePair NameValuePairs} as parsed.
     *
     * @param s text to parse.
     * @since 4.2
     */
public static List<NameValuePair> parse(final String s) {
    if (s == null) {
        return Collections.emptyList();
    }
    BasicHeaderValueParser parser = BasicHeaderValueParser.DEFAULT;
    CharArrayBuffer buffer = new CharArrayBuffer(s.length());
    buffer.append(s);
    ParserCursor cursor = new ParserCursor(0, buffer.length());
    List<NameValuePair> list = new ArrayList<NameValuePair>();
    while (!cursor.atEnd()) {
        NameValuePair nvp = parser.parseNameValuePair(buffer, cursor, DELIM);
        if (nvp.getName().length() > 0) {
            list.add(new BasicNameValuePair(nvp.getName(), nvp.getValue()));
        }
    }
    return list;
}

Example 18 with ParserCursor

use of org.apache.http.message.ParserCursor in project XobotOS by xamarin.

the class RFC2617Scheme method parseChallenge.

@Override
protected void parseChallenge(final CharArrayBuffer buffer, int pos, int len) throws MalformedChallengeException {
    HeaderValueParser parser = BasicHeaderValueParser.DEFAULT;
    ParserCursor cursor = new ParserCursor(pos, buffer.length());
    HeaderElement[] elements = parser.parseElements(buffer, cursor);
    if (elements.length == 0) {
        throw new MalformedChallengeException("Authentication challenge is empty");
    }
    this.params = new HashMap<String, String>(elements.length);
    for (HeaderElement element : elements) {
        this.params.put(element.getName(), element.getValue());
    }
}

Example 19 with ParserCursor

use of org.apache.http.message.ParserCursor in project XobotOS by xamarin.

the class DefaultResponseParser method parseHead.

@Override
protected HttpMessage parseHead(final SessionInputBuffer sessionBuffer) throws IOException, HttpException {
    // clear the buffer
    this.lineBuf.clear();
    //read out the HTTP status string
    int count = 0;
    ParserCursor cursor = null;
    do {
        int i = sessionBuffer.readLine(this.lineBuf);
        if (i == -1 && count == 0) {
            // The server just dropped connection on us
            throw new NoHttpResponseException("The target server failed to respond");
        }
        cursor = new ParserCursor(0, this.lineBuf.length());
        if (lineParser.hasProtocolVersion(this.lineBuf, cursor)) {
            // Got one
            break;
        } else if (i == -1 || count >= this.maxGarbageLines) {
            // Giving up
            throw new ProtocolException("The server failed to respond with a " + "valid HTTP response");
        }
        count++;
    } while (true);
    //create the status line from the status string
    StatusLine statusline = lineParser.parseStatusLine(this.lineBuf, cursor);
    return this.responseFactory.newHttpResponse(statusline, null);
}

Example 20 with ParserCursor

use of org.apache.http.message.ParserCursor in project XobotOS by xamarin.

the class HttpRequestParser method parseHead.

protected HttpMessage parseHead(final SessionInputBuffer sessionBuffer) throws IOException, HttpException, ParseException {
    this.lineBuf.clear();
    int i = sessionBuffer.readLine(this.lineBuf);
    if (i == -1) {
        throw new ConnectionClosedException("Client closed connection");
    }
    ParserCursor cursor = new ParserCursor(0, this.lineBuf.length());
    RequestLine requestline = this.lineParser.parseRequestLine(this.lineBuf, cursor);
    return this.requestFactory.newHttpRequest(requestline);
}