public int compare(MediaType mediaType1, MediaType mediaType2) {
double quality1 = mediaType1.getQualityValue();
double quality2 = mediaType2.getQualityValue();
int qualityComparison = Double.compare(quality2, quality1);
if (qualityComparison != 0) {
return qualityComparison; // audio/*;q=0.7 < audio/*;q=0.3
} else if (mediaType1.isWildcardType() && !mediaType2.isWildcardType()) { // */* < audio/*
return 1;
} else if (mediaType2.isWildcardType() && !mediaType1.isWildcardType()) { // audio/* > */*
return -1;
} else if (!mediaType1
.getType()
.equals(mediaType2.getType())) { // audio/basic == text/html
return 0;
} else { // mediaType1.getType().equals(mediaType2.getType())
if (mediaType1.isWildcardSubtype()
&& !mediaType2.isWildcardSubtype()) { // audio/* < audio/basic
return 1;
} else if (mediaType2.isWildcardSubtype()
&& !mediaType1.isWildcardSubtype()) { // audio/basic > audio/*
return -1;
} else if (!mediaType1
.getSubtype()
.equals(mediaType2.getSubtype())) { // audio/basic == audio/wave
return 0;
} else {
int paramsSize1 = mediaType1.parameters.size();
int paramsSize2 = mediaType2.parameters.size();
return (paramsSize2 < paramsSize1
? -1
: (paramsSize2 == paramsSize1 ? 0 : 1)); // audio/basic;level=1 < audio/basic
}
}
}
public static boolean isJSONType(MediaType type) {
if (type == null) return false;
if (type.getType() == null) return false;
if (type.getSubtype() == null) return false;
if (!"application".equals(type.getType().toLowerCase())) return false;
if (!"json".equals(type.getSubtype().toLowerCase())) return false;
return true;
}
private int indexOfEqualMediaType(MediaType mediaType) {
for (int i = 0; i < getExpressionsToCompare().size(); i++) {
MediaType currentMediaType = getExpressionsToCompare().get(i).getMediaType();
if (mediaType.getType().equalsIgnoreCase(currentMediaType.getType())
&& mediaType.getSubtype().equalsIgnoreCase(currentMediaType.getSubtype())) {
return i;
}
}
return -1;
}
@SuppressWarnings("unchecked")
public void doWithRequest(ClientHttpRequest request) throws IOException {
if (responseType != null) {
List<MediaType> allSupportedMediaTypes = new ArrayList<MediaType>();
for (HttpMessageConverter<?> messageConverter : getMessageConverters()) {
if (messageConverter.canRead(responseType, null)) {
List<MediaType> supportedMediaTypes = messageConverter.getSupportedMediaTypes();
for (MediaType supportedMediaType : supportedMediaTypes) {
if (supportedMediaType.getCharSet() != null) {
supportedMediaType =
new MediaType(supportedMediaType.getType(), supportedMediaType.getSubtype());
}
allSupportedMediaTypes.add(supportedMediaType);
}
}
}
if (!allSupportedMediaTypes.isEmpty()) {
MediaType.sortBySpecificity(allSupportedMediaTypes);
if (logger.isDebugEnabled()) {
logger.debug("Setting request Accept header to " + allSupportedMediaTypes);
}
request.getHeaders().setAccept(allSupportedMediaTypes);
}
}
}
@Test
public void parseURLConnectionMediaType() throws Exception {
String s = "*; q=.2";
MediaType mediaType = MediaType.parseMediaType(s);
assertEquals("Invalid type", "*", mediaType.getType());
assertEquals("Invalid subtype", "*", mediaType.getSubtype());
assertEquals("Invalid quality factor", 0.2D, mediaType.getQualityValue(), 0D);
}
@Test
public void parseQuotedCharset() {
String s = "application/xml;charset=\"utf-8\"";
MediaType mediaType = MediaType.parseMediaType(s);
assertEquals("Invalid type", "application", mediaType.getType());
assertEquals("Invalid subtype", "xml", mediaType.getSubtype());
assertEquals("Invalid charset", Charset.forName("UTF-8"), mediaType.getCharSet());
}
@Test
public void parseCharset() throws Exception {
String s = "text/html; charset=iso-8859-1";
MediaType mediaType = MediaType.parseMediaType(s);
assertEquals("Invalid type", "text", mediaType.getType());
assertEquals("Invalid subtype", "html", mediaType.getSubtype());
assertEquals("Invalid charset", Charset.forName("ISO-8859-1"), mediaType.getCharSet());
}
private void validateResponse(final String responseBody, final MediaType mediaType) {
if (responseBody != null && !responseBody.isEmpty()) {
if (mediaType.getSubtype().equals(MediaType.APPLICATION_JSON.getSubtype())) {
if (responseBody.contains("description") && responseBody.contains("code")) {
String errorCode = extractCodeFromJson(responseBody);
String errorDiscription = extractDescriptionFromJson(responseBody);
LOGGER.info("errorCode : " + errorCode);
LOGGER.info("errorDiscription : " + errorDiscription);
throw new ResponseException(errorDiscription, errorCode);
}
} else {
// TODO
return;
}
}
}
@Override
protected HttpHeaders initHeaders() {
HttpHeaders headers = new HttpHeaders();
for (Enumeration<?> names = getServletRequest().getHeaderNames(); names.hasMoreElements(); ) {
String name = (String) names.nextElement();
for (Enumeration<?> values = getServletRequest().getHeaders(name);
values.hasMoreElements(); ) {
headers.add(name, (String) values.nextElement());
}
}
MediaType contentType = headers.getContentType();
if (contentType == null) {
String requestContentType = getServletRequest().getContentType();
if (StringUtils.hasLength(requestContentType)) {
contentType = MediaType.parseMediaType(requestContentType);
headers.setContentType(contentType);
}
}
if (contentType != null && contentType.getCharset() == null) {
String encoding = getServletRequest().getCharacterEncoding();
if (StringUtils.hasLength(encoding)) {
Charset charset = Charset.forName(encoding);
Map<String, String> params = new LinkedCaseInsensitiveMap<>();
params.putAll(contentType.getParameters());
params.put("charset", charset.toString());
headers.setContentType(
new MediaType(contentType.getType(), contentType.getSubtype(), params));
}
}
if (headers.getContentLength() == -1) {
int contentLength = getServletRequest().getContentLength();
if (contentLength != -1) {
headers.setContentLength(contentLength);
}
}
return headers;
}
/**
* Copy-constructor that copies the type and subtype of the given {@code MediaType}, and allows
* for different parameter.
*
* @param other the other media type
* @param parameters the parameters, may be <code>null</code>
* @throws IllegalArgumentException if any of the parameters contain illegal characters
*/
public MediaType(MediaType other, Map<String, String> parameters) {
this(other.getType(), other.getSubtype(), parameters);
}