Examples with HeaderElement org.apache.http.HeaderElement used on opensource projects

Example 36 with HeaderElement

use of org.apache.http.HeaderElement in project XobotOS by xamarin.

the class LaxContentLengthStrategy method determineLength.

public long determineLength(final HttpMessage message) throws HttpException {
    if (message == null) {
        throw new IllegalArgumentException("HTTP message may not be null");
    }
    HttpParams params = message.getParams();
    boolean strict = params.isParameterTrue(CoreProtocolPNames.STRICT_TRANSFER_ENCODING);
    Header transferEncodingHeader = message.getFirstHeader(HTTP.TRANSFER_ENCODING);
    Header contentLengthHeader = message.getFirstHeader(HTTP.CONTENT_LEN);
    // RFC2616, 4.4 item number 3
    if (transferEncodingHeader != null) {
        HeaderElement[] encodings = null;
        try {
            encodings = transferEncodingHeader.getElements();
        } catch (ParseException px) {
            throw new ProtocolException("Invalid Transfer-Encoding header value: " + transferEncodingHeader, px);
        }
        if (strict) {
            // Currently only chunk and identity are supported
            for (int i = 0; i < encodings.length; i++) {
                String encoding = encodings[i].getName();
                if (encoding != null && encoding.length() > 0 && !encoding.equalsIgnoreCase(HTTP.CHUNK_CODING) && !encoding.equalsIgnoreCase(HTTP.IDENTITY_CODING)) {
                    throw new ProtocolException("Unsupported transfer encoding: " + encoding);
                }
            }
        }
        // The chunked encoding must be the last one applied RFC2616, 14.41
        int len = encodings.length;
        if (HTTP.IDENTITY_CODING.equalsIgnoreCase(transferEncodingHeader.getValue())) {
            return IDENTITY;
        } else if ((len > 0) && (HTTP.CHUNK_CODING.equalsIgnoreCase(encodings[len - 1].getName()))) {
            return CHUNKED;
        } else {
            if (strict) {
                throw new ProtocolException("Chunk-encoding must be the last one applied");
            }
            return IDENTITY;
        }
    } else if (contentLengthHeader != null) {
        long contentlen = -1;
        Header[] headers = message.getHeaders(HTTP.CONTENT_LEN);
        if (strict && headers.length > 1) {
            throw new ProtocolException("Multiple content length headers");
        }
        for (int i = headers.length - 1; i >= 0; i--) {
            Header header = headers[i];
            try {
                contentlen = Long.parseLong(header.getValue());
                break;
            } catch (NumberFormatException e) {
                if (strict) {
                    throw new ProtocolException("Invalid content length: " + header.getValue());
                }
            }
        // See if we can have better luck with another header, if present
        }
        if (contentlen >= 0) {
            return contentlen;
        } else {
            return IDENTITY;
        }
    } else {
        return IDENTITY;
    }
}

Example 37 with HeaderElement

use of org.apache.http.HeaderElement in project XobotOS by xamarin.

the class CookieSpecBase method parse.

protected List<Cookie> parse(final HeaderElement[] elems, final CookieOrigin origin) throws MalformedCookieException {
    List<Cookie> cookies = new ArrayList<Cookie>(elems.length);
    for (HeaderElement headerelement : elems) {
        String name = headerelement.getName();
        String value = headerelement.getValue();
        if (name == null || name.length() == 0) {
            throw new MalformedCookieException("Cookie name may not be empty");
        }
        BasicClientCookie cookie = new BasicClientCookie(name, value);
        cookie.setPath(getDefaultPath(origin));
        cookie.setDomain(getDefaultDomain(origin));
        // cycle through the parameters
        NameValuePair[] attribs = headerelement.getParameters();
        for (int j = attribs.length - 1; j >= 0; j--) {
            NameValuePair attrib = attribs[j];
            String s = attrib.getName().toLowerCase(Locale.ENGLISH);
            cookie.setAttribute(s, attrib.getValue());
            CookieAttributeHandler handler = findAttribHandler(s);
            if (handler != null) {
                handler.parse(cookie, attrib.getValue());
            }
        }
        cookies.add(cookie);
    }
    return cookies;
}

Example 38 with HeaderElement

use of org.apache.http.HeaderElement in project robovm by robovm.

the class HttpOptions method getAllowedMethods.

public Set<String> getAllowedMethods(final HttpResponse response) {
    if (response == null) {
        throw new IllegalArgumentException("HTTP response may not be null");
    }
    HeaderIterator it = response.headerIterator("Allow");
    Set<String> methods = new HashSet<String>();
    while (it.hasNext()) {
        Header header = it.nextHeader();
        HeaderElement[] elements = header.getElements();
        for (HeaderElement element : elements) {
            methods.add(element.getName());
        }
    }
    return methods;
}

Example 39 with HeaderElement

use of org.apache.http.HeaderElement in project robovm by robovm.

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 40 with HeaderElement

use of org.apache.http.HeaderElement in project robovm by robovm.

the class BrowserCompatSpec method parse.

public List<Cookie> parse(final Header header, final CookieOrigin origin) throws MalformedCookieException {
    if (header == null) {
        throw new IllegalArgumentException("Header may not be null");
    }
    if (origin == null) {
        throw new IllegalArgumentException("Cookie origin may not be null");
    }
    String headervalue = header.getValue();
    boolean isNetscapeCookie = false;
    int i1 = headervalue.toLowerCase(Locale.ENGLISH).indexOf("expires=");
    if (i1 != -1) {
        i1 += "expires=".length();
        int i2 = headervalue.indexOf(';', i1);
        if (i2 == -1) {
            i2 = headervalue.length();
        }
        try {
            DateUtils.parseDate(headervalue.substring(i1, i2), this.datepatterns);
            isNetscapeCookie = true;
        } catch (DateParseException e) {
        // Does not look like a valid expiry date
        }
    }
    HeaderElement[] elems = null;
    if (isNetscapeCookie) {
        NetscapeDraftHeaderParser parser = NetscapeDraftHeaderParser.DEFAULT;
        CharArrayBuffer buffer;
        ParserCursor cursor;
        if (header instanceof FormattedHeader) {
            buffer = ((FormattedHeader) header).getBuffer();
            cursor = new ParserCursor(((FormattedHeader) header).getValuePos(), buffer.length());
        } else {
            String s = header.getValue();
            if (s == null) {
                throw new MalformedCookieException("Header value is null");
            }
            buffer = new CharArrayBuffer(s.length());
            buffer.append(s);
            cursor = new ParserCursor(0, buffer.length());
        }
        elems = new HeaderElement[] { parser.parseHeader(buffer, cursor) };
    } else {
        elems = header.getElements();
    }
    return parse(elems, origin);
}