/**
* Method to obtain the custom UI media types.
*
* @param configSystemRegistry a configuration system registry instance.
* @return a String of custom UI media types, in the format name:type,name:type,...
* @throws RegistryException if the operation failed.
*/
public static String getCustomUIMediaTypeMappings(Registry configSystemRegistry)
throws RegistryException {
RegistryContext registryContext = configSystemRegistry.getRegistryContext();
if (getCustomUIMediaTypeMappings(registryContext) != null) {
return getCustomUIMediaTypeMappings(registryContext);
}
Resource resource;
String mediaTypeString = null;
String resourcePath =
MIME_TYPE_COLLECTION + RegistryConstants.PATH_SEPARATOR + RESOURCE_MIME_TYPE_INDEX;
// TODO: Adding the media types should ideally be done by the handler associated with the
// media type
if (!configSystemRegistry.resourceExists(resourcePath)) {
getResourceMediaTypeMappings(configSystemRegistry);
}
if (!configSystemRegistry.resourceExists(
resourcePath + RegistryConstants.PATH_SEPARATOR + CUSTOM_UI_MIME_TYPE_INDEX)) {
resource = configSystemRegistry.newResource();
resource.setProperty("profiles", "application/vnd.wso2-profiles+xml");
// resource.setProperty("service", "application/vnd.wso2-service+xml");
resource.setDescription(
"This resource contains the media Types associated with "
+ "custom user interfaces on the Registry. Add, Edit or Delete properties to "
+ "Manage Media Types.");
configSystemRegistry.put(
resourcePath + RegistryConstants.PATH_SEPARATOR + CUSTOM_UI_MIME_TYPE_INDEX, resource);
} else {
resource =
configSystemRegistry.get(
resourcePath + RegistryConstants.PATH_SEPARATOR + CUSTOM_UI_MIME_TYPE_INDEX);
}
Properties properties = resource.getProperties();
if (properties.size() > 0) {
Set<Object> keySet = properties.keySet();
for (Object key : keySet) {
if (key instanceof String) {
String ext = (String) key;
if (RegistryUtils.isHiddenProperty(ext)) {
continue;
}
String value = resource.getProperty(ext);
String mediaTypeMapping = ext + ":" + value;
if (mediaTypeString == null) {
mediaTypeString = mediaTypeMapping;
} else {
mediaTypeString = mediaTypeString + "," + mediaTypeMapping;
}
}
}
}
registryContext.setCustomUIMediaTypes(mediaTypeString);
return mediaTypeString;
}
/**
* Method to obtain the resource media types.
*
* @param configSystemRegistry a configuration system registry instance.
* @return a String of resource media types, in the format extension:type,extension:type,...
* @throws RegistryException if the operation failed.
*/
public static String getResourceMediaTypeMappings(Registry configSystemRegistry)
throws RegistryException {
RegistryContext registryContext = configSystemRegistry.getRegistryContext();
if (getResourceMediaTypeMappings(registryContext) != null) {
return getResourceMediaTypeMappings(registryContext);
}
Resource resource;
String mediaTypeString = null;
String resourcePath =
MIME_TYPE_COLLECTION + RegistryConstants.PATH_SEPARATOR + RESOURCE_MIME_TYPE_INDEX;
if (!configSystemRegistry.resourceExists(resourcePath)) {
resource = configSystemRegistry.newCollection();
} else {
resource = configSystemRegistry.get(resourcePath);
Properties properties = resource.getProperties();
if (properties.size() > 0) {
Set<Object> keySet = properties.keySet();
for (Object key : keySet) {
if (key instanceof String) {
String ext = (String) key;
if (RegistryUtils.isHiddenProperty(ext)) {
continue;
}
String value = resource.getProperty(ext);
String mediaTypeMapping = ext + ":" + value;
if (mediaTypeString == null) {
mediaTypeString = mediaTypeMapping;
} else {
mediaTypeString = mediaTypeString + "," + mediaTypeMapping;
}
}
}
}
registryContext.setResourceMediaTypes(mediaTypeString);
return mediaTypeString;
}
BufferedReader reader;
try {
File mimeFile = getMediaTypesFile();
reader = new BufferedReader(new InputStreamReader(new FileInputStream(mimeFile)));
} catch (Exception e) {
String msg =
"Failed to read the the media type definitions file. Only a limited "
+ "set of media type definitions will be populated. ";
log.error(msg, e);
mediaTypeString = "txt:text/plain,jpg:image/jpeg,gif:image/gif";
registryContext.setResourceMediaTypes(mediaTypeString);
return mediaTypeString;
}
try {
while (reader.ready()) {
String mediaTypeData = reader.readLine().trim();
if (mediaTypeData.startsWith("#")) {
// ignore the comments
continue;
}
if (mediaTypeData.length() == 0) {
// ignore the blank lines
continue;
}
// mime.type file delimits media types:extensions by tabs. if there is no
// extension associated with a media type, there are no tabs in the line. so we
// don't need such lines.
if (mediaTypeData.indexOf('\t') > 0) {
String[] parts = mediaTypeData.split("\t+");
if (parts.length == 2 && parts[0].length() > 0 && parts[1].length() > 0) {
// there can multiple extensions associated with a single media type. in
// that case, extensions are delimited by a space.
String[] extensions = parts[1].trim().split(" ");
for (String extension : extensions) {
if (extension.length() > 0) {
String mediaTypeMapping = extension + ":" + parts[0];
resource.setProperty(extension, parts[0]);
if (mediaTypeString == null) {
mediaTypeString = mediaTypeMapping;
} else {
mediaTypeString = mediaTypeString + "," + mediaTypeMapping;
}
}
}
}
}
}
resource.setDescription(
"This collection contains the media Types available for "
+ "resources on the Registry. Add, Edit or Delete properties to Manage Media "
+ "Types.");
Resource collection = configSystemRegistry.newCollection();
collection.setDescription(
"This collection lists the media types available on the "
+ "Registry Server. Before changing an existing media type, please make sure "
+ "to alter existing resources/collections and related configuration details.");
configSystemRegistry.put(MIME_TYPE_COLLECTION, collection);
configSystemRegistry.put(resourcePath, resource);
} catch (IOException e) {
String msg = "Could not read the media type mappings file from the location: ";
throw new RegistryException(msg, e);
} finally {
try {
reader.close();
} catch (IOException ignore) {
}
}
registryContext.setResourceMediaTypes(mediaTypeString);
return mediaTypeString;
}