Java Code Examples for javax.ws.rs.core.MediaType#isWildcardSubtype()

private MediaType checkFinalContentType(MediaType mt, List<WriterInterceptor> writers, boolean checkWriters) {
    if (checkWriters) {
        int mbwIndex = writers.size() == 1 ? 0 : writers.size() - 1;
        MessageBodyWriter<Object> writer = ((WriterInterceptorMBW)writers.get(mbwIndex)).getMBW();
        Produces pm = writer.getClass().getAnnotation(Produces.class);
        if (pm != null) {
            List<MediaType> sorted =
                JAXRSUtils.sortMediaTypes(JAXRSUtils.getMediaTypes(pm.value()), JAXRSUtils.MEDIA_TYPE_QS_PARAM);
            mt = JAXRSUtils.intersectMimeTypes(sorted, mt).get(0);
        }
    }
    if (mt.isWildcardType() || mt.isWildcardSubtype()) {
        if ("application".equals(mt.getType()) || mt.isWildcardType()) {
            mt = MediaType.APPLICATION_OCTET_STREAM_TYPE;
        } else {
            throw ExceptionUtils.toNotAcceptableException(null,  null);
        }
    }
    return mt;
}
 

@Override
public MediaType getNormalisedResponseMediaType(HttpServletRequest request) {
    // Negotiate Response format
    MediaType responseMediaType;
    String responseFormat = getResponseFormat(request);
    try {
        List<MediaType> acceptMT = MediaTypeUtils.parseMediaTypes(responseFormat);

        responseMediaType = MediaTypeUtils.getResponseMediaType(allContentTypes, acceptMT);
        if (responseMediaType == null) {
            throw new CougarValidationException(ServerFaultCode.AcceptTypeNotValid, "Could not agree a response media type");
        } else if (responseMediaType.isWildcardType() || responseMediaType.isWildcardSubtype()) {
            throw new CougarServiceException(ServerFaultCode.ResponseContentTypeNotValid,
                    "Service configuration error - response media type must not be a wildcard - " + responseMediaType);
        }

    } catch (IllegalArgumentException e) {
        throw new CougarValidationException(ServerFaultCode.MediaTypeParseFailure, "Unable to parse supplied media types (" + responseFormat + ")",e);
    }
    return responseMediaType;
}
 

static boolean supportsContentType(final RDFSyntax syntax, final String contentType) {
    if (contentType != null) {
        final MediaType mediaType = MediaType.valueOf(contentType);
        return mediaType.isCompatible(MediaType.valueOf(syntax.mediaType())) &&
            !mediaType.isWildcardSubtype() && !mediaType.isWildcardType();
    }
    return false;
}
 

private boolean isEmptyOrContainsSingleWildcardMediaType(List<MediaType> acceptableWriterMediaTypes) {
    if (acceptableWriterMediaTypes.isEmpty()) {
        return true;
    }
    if (acceptableWriterMediaTypes.size() == 1) {
        MediaType mediaType = acceptableWriterMediaTypes.get(0);
        if (mediaType.isWildcardType() && mediaType.isWildcardSubtype()) {
            return true;
        }
    }
    return false;
}
 

@Override
public MediaType getNormalisedRequestMediaType(HttpServletRequest request) {
    String contentType = request.getContentType();
    if (request.getMethod().equals("POST")) {
        if (contentType == null) {
            throw new CougarValidationException(ServerFaultCode.ContentTypeNotValid, "Input content type was not specified for deserialisable response");
        }
        MediaType requestMT;
        try {
            requestMT = MediaType.valueOf(contentType);
        } catch (Exception e) {
            throw new CougarValidationException(ServerFaultCode.MediaTypeParseFailure, "Input content type cannot be parsed: " + contentType,e);
        }
        if (requestMT.isWildcardType() || requestMT.isWildcardSubtype()) {
            throw new CougarValidationException(ServerFaultCode.InvalidInputMediaType, "Input content type may not be wildcard: " + requestMT);
        }
        if (!MediaTypeUtils.isValid(allContentTypes, requestMT)) {
            throw new CougarValidationException(ServerFaultCode.ContentTypeNotValid, "Input content type is not valid: " + requestMT);
        }
        String candidateContentType = requestMT.getType() + "/" + requestMT.getSubtype();
        MediaType normalizedMediaType = validContentTypes.get(candidateContentType);
        if (normalizedMediaType == null) {
            throw new CougarValidationException(ServerFaultCode.FrameworkError, "Input content type " + contentType + " failed to find a normalized type using key " + candidateContentType);
        }
        return normalizedMediaType;
    }
    return null;
}
 

@Override
public int compare(MediaType mediaTypeOne, MediaType mediaTypeTwo) {

    if (mediaTypeOne.isWildcardType() && !mediaTypeTwo.isWildcardType()) {
        return 1;
    }
    if (mediaTypeOne.isWildcardSubtype() && !mediaTypeTwo.isWildcardSubtype()) {
        return 1;
    }
    if (!mediaTypeOne.isWildcardType() && mediaTypeTwo.isWildcardType()) {
        return -1;
    }
    if (!mediaTypeOne.isWildcardSubtype() && mediaTypeTwo.isWildcardSubtype()) {
        return -1;
    }

    Matcher extSubtypeMatcherOne = MediaTypeHelper.EXT_SUBTYPE_PATTERN.matcher(mediaTypeOne.getSubtype());
    Matcher extSubtypeMatcherTwo = MediaTypeHelper.EXT_SUBTYPE_PATTERN.matcher(mediaTypeTwo.getSubtype());
    boolean extSubtypeMatcherOneMatches = extSubtypeMatcherOne.matches();
    boolean extSubtypeMatcherTwoMatches = extSubtypeMatcherTwo.matches();

    if (extSubtypeMatcherOneMatches && !extSubtypeMatcherTwoMatches) {
        return 1;
    }
    if (!extSubtypeMatcherOneMatches && extSubtypeMatcherTwoMatches) {
        return -1;
    }

    extSubtypeMatcherOne = MediaTypeHelper.EXT_PREFIX_SUBTYPE_PATTERN.matcher(mediaTypeOne.getSubtype());
    extSubtypeMatcherTwo = MediaTypeHelper.EXT_PREFIX_SUBTYPE_PATTERN.matcher(mediaTypeTwo.getSubtype());
    extSubtypeMatcherOneMatches = extSubtypeMatcherOne.matches();
    extSubtypeMatcherTwoMatches = extSubtypeMatcherTwo.matches();

    if (extSubtypeMatcherOneMatches && !extSubtypeMatcherTwoMatches) {
        return 1;
    }
    if (!extSubtypeMatcherOneMatches && extSubtypeMatcherTwoMatches) {
        return -1;
    }

    extSubtypeMatcherOne = MediaTypeHelper.EXT_SUFFIX_SUBTYPE_PATTERN.matcher(mediaTypeOne.getSubtype());
    extSubtypeMatcherTwo = MediaTypeHelper.EXT_SUFFIX_SUBTYPE_PATTERN.matcher(mediaTypeTwo.getSubtype());
    extSubtypeMatcherOneMatches = extSubtypeMatcherOne.matches();
    extSubtypeMatcherTwoMatches = extSubtypeMatcherTwo.matches();

    if (extSubtypeMatcherOneMatches && !extSubtypeMatcherTwoMatches) {
        return 1;
    }
    if (!extSubtypeMatcherOneMatches && extSubtypeMatcherTwoMatches) {
        return -1;
    }

    return toString(mediaTypeOne).compareToIgnoreCase(toString(mediaTypeTwo));
}
 

/**
 * Checks that types {@code mediaTypeOne} and type {@code mediaTypeTwo} are compatible. The operation is commutative.
 * <p>
 * Examples:
 * <ul>
 * <li><i>text/plain</i> and <i>text/*</i> are compatible</li>
 * <li><i>application/atom+xml</i> and <i>application/atom+*</i> are compatible</li>
 * </ul>
 * </p>
 *
 * @param mediaTypeOne
 *         media type
 * @param mediaTypeTwo
 *         media type
 * @return {@code true} if types compatible and {@code false} otherwise
 */
public static boolean isCompatible(MediaType mediaTypeOne, MediaType mediaTypeTwo) {
    if (mediaTypeOne == null || mediaTypeTwo == null) {
        throw new IllegalArgumentException("Null arguments are not allowed");
    }

    if (mediaTypeOne.isWildcardType() || mediaTypeTwo.isWildcardType()) {
        return true;
    }

    if (mediaTypeOne.getType().equalsIgnoreCase(mediaTypeTwo.getType())) {

        if (mediaTypeOne.isWildcardSubtype()
            || mediaTypeTwo.isWildcardSubtype()
            || mediaTypeOne.getSubtype().equalsIgnoreCase(mediaTypeTwo.getSubtype())) {

            return true;
        }

        Matcher extSubtypeMatcherOne = EXT_SUBTYPE_PATTERN.matcher(mediaTypeOne.getSubtype());
        Matcher extSubtypeMatcherTwo = EXT_SUBTYPE_PATTERN.matcher(mediaTypeTwo.getSubtype());
        boolean extSubtypeMatcherOneMatches = extSubtypeMatcherOne.matches();
        boolean extSubtypeMatcherTwoMatches = extSubtypeMatcherTwo.matches();

        if (!extSubtypeMatcherOneMatches && extSubtypeMatcherTwoMatches) {

            // one is type such as application/xml
            // two is type such as application/atom+xml, application/*+xml, application/xml+*
            return mediaTypeOne.getSubtype().equalsIgnoreCase(extSubtypeMatcherTwo.group(1))
                   || mediaTypeOne.getSubtype().equalsIgnoreCase(extSubtypeMatcherTwo.group(2));

        } else if (extSubtypeMatcherOneMatches && !extSubtypeMatcherTwoMatches) {

            // one is type such as application/atom+xml, application/*+xml, application/xml+*
            // two is type such as application/xml
            return mediaTypeTwo.getSubtype().equalsIgnoreCase(extSubtypeMatcherOne.group(1))
                   || mediaTypeTwo.getSubtype().equalsIgnoreCase(extSubtypeMatcherOne.group(2));

        } else if (extSubtypeMatcherOneMatches && extSubtypeMatcherTwoMatches) {

            // both types are extended types
            String subtypePrefixOne = extSubtypeMatcherOne.group(1);
            String subTypeSuffixOne = extSubtypeMatcherOne.group(2);
            String subTypePrefixTwo = extSubtypeMatcherTwo.group(1);
            String subtypeSuffixTwo = extSubtypeMatcherTwo.group(2);

            if (subtypePrefixOne.equalsIgnoreCase(subTypePrefixTwo)
                && (MEDIA_TYPE_WILDCARD.equals(subTypeSuffixOne) || MEDIA_TYPE_WILDCARD.equals(subtypeSuffixTwo))) {
                // parts before '+' are the same and one of after '+' is wildcard '*'
                // For example two sub-types: atom+* and atom+xml
                return true;
            }
            if (subTypeSuffixOne.equalsIgnoreCase(subtypeSuffixTwo)
                && (MEDIA_TYPE_WILDCARD.equals(subtypePrefixOne) || MEDIA_TYPE_WILDCARD.equals(subTypePrefixTwo))) {
                // parts after '+' are the same and one of before '+' is wildcard '*'
                // For example two sub-types: *+xml and atom+xml
                return true;
            }
        }
    }
    return false;
}
 

/**
 * Checks that type {@code checkMe} is matched to type {@code pattern}. NOTE The operation is NOT commutative,
 * e.g. matching of type {@code checkMe} to {@code pattern} does not guaranty that {@code pattern} is matched to {@code checkMe}.
 * <p>
 * Examples:
 * <ul>
 * <li><i>text/plain</i> is matched to <i>text/*</i> but type <i>text/*</i> is not matched to <i>text/plain</i></li>
 * <li><i>application/atom+xml</i> is matched to <i>application/atom+*</i> but type <i>application/atom+*</i> is not
 * matched to <i>application/atom+xml</i></li>
 * </ul>
 * </p>
 *
 * @param pattern
 *         pattern type
 * @param checkMe
 *         type to be checked
 * @return {@code true} if type {@code checkMe} is matched to {@code pattern} and {@code false} otherwise
 */
public static boolean isMatched(MediaType pattern, MediaType checkMe) {
    if (pattern == null || checkMe == null) {
        throw new IllegalArgumentException("Null arguments are not allowed");
    }

    if (pattern.isWildcardType()) {
        return true;
    }

    if (pattern.getType().equalsIgnoreCase(checkMe.getType())) {
        if (pattern.isWildcardSubtype() || pattern.getSubtype().equalsIgnoreCase(checkMe.getSubtype())) {
            return true;
        }

        Matcher patternMatcher = EXT_SUBTYPE_PATTERN.matcher(pattern.getSubtype());
        Matcher checkMeMatcher = EXT_SUBTYPE_PATTERN.matcher(checkMe.getSubtype());

        if (patternMatcher.matches()) {
            String patternPrefix = patternMatcher.group(1);
            String patternSuffix = patternMatcher.group(2);

            if (!checkMeMatcher.matches()) {
                // pattern is type such as application/atom+xml, application/*+xml, application/xml+*
                // checkMe is type such as application/xml
                return checkMe.getSubtype().equalsIgnoreCase(patternPrefix)
                       || checkMe.getSubtype().equalsIgnoreCase(patternSuffix);
            }

            // both types are extended types
            String checkMePrefix = checkMeMatcher.group(1);
            String checkMeSuffix = checkMeMatcher.group(2);

            if (MEDIA_TYPE_WILDCARD.equals(patternSuffix) && patternPrefix.equalsIgnoreCase(checkMePrefix)) {
                // parts before '+' are the same and pattern after '+' is wildcard '*'
                // For example two sub-types: atom+* and atom+xml
                return true;
            }

            if (MEDIA_TYPE_WILDCARD.equals(patternPrefix) && patternSuffix.equalsIgnoreCase(checkMeSuffix)) {
                // parts after '+' are the same and pattern before '+' is wildcard '*'
                // For example two sub-types: *+xml and atom+xml
                return true;
            }
        }
    }

    return false;
}
 

private boolean isNullOrWildcard(MediaType contentType) {
    return contentType == null || contentType.isWildcardType() || contentType.isWildcardSubtype();
}