Java Code Examples for io.undertow.util.HeaderValues#size()

The following examples show how to use io.undertow.util.HeaderValues#size() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ResponseHeaderAttribute.java    From lams with GNU General Public License v2.0 6 votes vote down vote up 
@Override
public String readAttribute(final HttpServerExchange exchange) {
    HeaderValues header = exchange.getResponseHeaders().get(responseHeader);
    if (header == null) {
        return null;
    } else if(header.size() == 1) {
        return header.getFirst();
    }
    StringBuilder sb = new StringBuilder();
    sb.append("[");
    for (int i = 0; i < header.size(); ++i) {
        if (i != 0) {
            sb.append(", ");
        }
        sb.append(header.get(i));
    }
    sb.append("]");
    return sb.toString();
}
Example 2
Source File: RequestHeaderAttribute.java    From lams with GNU General Public License v2.0 6 votes vote down vote up 
@Override
public String readAttribute(final HttpServerExchange exchange) {
    HeaderValues header = exchange.getRequestHeaders().get(requestHeader);
    if (header == null) {
        return null;
    } else if(header.size() == 1) {
        return header.getFirst();
    }
    StringBuilder sb = new StringBuilder();
    sb.append("[");
    for (int i = 0; i < header.size(); ++i) {
        if (i != 0) {
            sb.append(", ");
        }
        sb.append(header.get(i));
    }
    sb.append("]");
    return sb.toString();
}
Example 3
Source File: DomainUtil.java    From wildfly-core with GNU Lesser General Public License v2.1 6 votes vote down vote up 
private static String determineMimeType(OperationResponse.StreamEntry entry, HttpServerExchange exchange) {
    // We see if the type provided by the response "matches" the ACCEPT header; if yes, use it
    // If not, use application/octet-stream to trigger the browser to treat it as a download
    String entryType = entry.getMimeType();
    HeaderValues headerValues = exchange.getRequestHeaders().get(Headers.ACCEPT);
    if (headerValues == null || headerValues.size() == 0) {
        // The browser doesn't care
        return entryType;
    }
    String wildCard = null;
    int slash = entryType.indexOf('/');
    if (slash > 0) {
        wildCard = entryType.substring(0, slash) + "/*";
    }
    for (String acceptable : headerValues) {
        if ("*/*".equals(acceptable) || acceptable.contains(entryType) || (wildCard != null && acceptable.contains(wildCard))) {
            return entryType;
        }
    }

    return "application/octet-stream";
}
Example 4
Source File: JsonContentHandler.java    From divolte-collector with Apache License 2.0 6 votes vote down vote up 
@Override
public void handleRequest(final HttpServerExchange exchange) throws Exception {
    final HeaderValues contentType = exchange.getRequestHeaders().get(Headers.CONTENT_TYPE);
    if (null != contentType
            && contentType.size() == 1
            && contentType.getFirst().toLowerCase(Locale.ROOT).equals("application/json")) {
        next.handleRequest(exchange);
    } else {
        exchange.setStatusCode(StatusCodes.UNSUPPORTED_MEDIA_TYPE);
        exchange.getResponseHeaders()
                .put(Headers.CONTENT_TYPE, "text/plain; charset=utf-8");
        exchange.getResponseSender()
                .send("Content type must be application/json.", StandardCharsets.UTF_8);
        exchange.endExchange();
    }
}
Example 5
Source File: DatawaveAuthenticationMechanism.java    From datawave with Apache License 2.0 5 votes vote down vote up 
private String getSingleHeader(HeaderMap headers, String headerName) throws MultipleHeaderException {
    String value = null;
    HeaderValues values = (headers == null) ? null : headers.get(headerName);
    if (values != null) {
        if (values.size() > 1)
            throw new MultipleHeaderException(headerName + " was specified multiple times, which is not allowed!");
        value = values.getFirst();
    }
    return value;
}
Example 6
Source File: Connectors.java    From lams with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Verifies that the provided request headers are valid according to rfc7230. In particular:
 * - At most one content-length or transfer encoding
 */
public static boolean areRequestHeadersValid(HeaderMap headers) {
    HeaderValues te = headers.get(Headers.TRANSFER_ENCODING);
    HeaderValues cl = headers.get(Headers.CONTENT_LENGTH);
    if(te != null && cl != null) {
        return false;
    } else if(te != null && te.size() > 1) {
        return false;
    } else if(cl != null && cl.size() > 1) {
        return false;
    }
    return true;
}