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

Example 51 with ProtocolException

use of org.apache.http.ProtocolException in project platform_external_apache-http by android.

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 52 with ProtocolException

use of org.apache.http.ProtocolException in project platform_external_apache-http by android.

the class StrictContentLengthStrategy method determineLength.

public long determineLength(final HttpMessage message) throws HttpException {
    if (message == null) {
        throw new IllegalArgumentException("HTTP message may not be null");
    }
    // Although Transfer-Encoding is specified as a list, in practice
    // it is either missing or has the single value "chunked". So we
    // treat it as a single-valued header here.
    Header transferEncodingHeader = message.getFirstHeader(HTTP.TRANSFER_ENCODING);
    Header contentLengthHeader = message.getFirstHeader(HTTP.CONTENT_LEN);
    if (transferEncodingHeader != null) {
        String s = transferEncodingHeader.getValue();
        if (HTTP.CHUNK_CODING.equalsIgnoreCase(s)) {
            if (message.getProtocolVersion().lessEquals(HttpVersion.HTTP_1_0)) {
                throw new ProtocolException("Chunked transfer encoding not allowed for " + message.getProtocolVersion());
            }
            return CHUNKED;
        } else if (HTTP.IDENTITY_CODING.equalsIgnoreCase(s)) {
            return IDENTITY;
        } else {
            throw new ProtocolException("Unsupported transfer encoding: " + s);
        }
    } else if (contentLengthHeader != null) {
        String s = contentLengthHeader.getValue();
        try {
            long len = Long.parseLong(s);
            return len;
        } catch (NumberFormatException e) {
            throw new ProtocolException("Invalid content length: " + s);
        }
    } else {
        return IDENTITY;
    }
}