private void writeApis(Collection<ApiDeclaration> apis) throws IOException {
List<ResourceListingAPI> resources = new LinkedList<ResourceListingAPI>();
File outputDirectory = this.options.getOutputDirectory();
Recorder recorder = this.options.getRecorder();
for (ApiDeclaration api : apis) {
String resourcePath = api.getResourcePath();
if (!Strings.isNullOrEmpty(resourcePath)) {
// make sure the filename for the resource is valid
String resourceFile = ParserHelper.generateResourceFilename(resourcePath);
resources.add(
new ResourceListingAPI("/" + resourceFile + ".{format}", api.getDescription()));
File apiFile = new File(outputDirectory, resourceFile + ".json");
recorder.record(apiFile, api);
}
}
// write out json for the resource listing
ResourceListing listing =
new ResourceListing(
SWAGGER_VERSION,
this.options.getApiVersion(),
this.options.getDocBasePath(),
resources,
this.options.getApiAuthorizations(),
this.options.getApiInfo());
File docFile = new File(outputDirectory, "service.json");
recorder.record(docFile, listing);
}
public boolean run() {
try {
// setup additional classes needed for processing, generally these are java ones such as
// java.lang.String
// adding them here allows them to be used in @outputType
Collection<ClassDoc> typeClasses = new ArrayList<ClassDoc>();
addIfNotNull(typeClasses, this.rootDoc.classNamed(java.lang.String.class.getName()));
addIfNotNull(typeClasses, this.rootDoc.classNamed(java.lang.Integer.class.getName()));
addIfNotNull(typeClasses, this.rootDoc.classNamed(java.lang.Boolean.class.getName()));
addIfNotNull(typeClasses, this.rootDoc.classNamed(java.lang.Float.class.getName()));
addIfNotNull(typeClasses, this.rootDoc.classNamed(java.lang.Double.class.getName()));
addIfNotNull(typeClasses, this.rootDoc.classNamed(java.lang.Character.class.getName()));
addIfNotNull(typeClasses, this.rootDoc.classNamed(java.lang.Long.class.getName()));
addIfNotNull(typeClasses, this.rootDoc.classNamed(java.lang.Byte.class.getName()));
addIfNotNull(typeClasses, this.rootDoc.classNamed(java.util.Date.class.getName()));
addIfNotNull(typeClasses, this.rootDoc.classNamed(java.util.Calendar.class.getName()));
addIfNotNull(typeClasses, this.rootDoc.classNamed(java.util.Map.class.getName()));
addIfNotNull(typeClasses, this.rootDoc.classNamed(java.util.Collection.class.getName()));
addIfNotNull(typeClasses, this.rootDoc.classNamed(java.util.Set.class.getName()));
addIfNotNull(typeClasses, this.rootDoc.classNamed(java.util.List.class.getName()));
addIfNotNull(typeClasses, this.rootDoc.classNamed(java.math.BigInteger.class.getName()));
addIfNotNull(typeClasses, this.rootDoc.classNamed(java.math.BigDecimal.class.getName()));
addIfNotNull(typeClasses, this.rootDoc.classNamed(java.util.UUID.class.getName()));
addIfNotNull(typeClasses, this.rootDoc.classNamed(java.time.DayOfWeek.class.getName()));
addIfNotNull(typeClasses, this.rootDoc.classNamed(java.time.Duration.class.getName()));
addIfNotNull(typeClasses, this.rootDoc.classNamed(java.time.Instant.class.getName()));
addIfNotNull(typeClasses, this.rootDoc.classNamed(java.time.LocalDate.class.getName()));
addIfNotNull(typeClasses, this.rootDoc.classNamed(java.time.LocalDateTime.class.getName()));
addIfNotNull(typeClasses, this.rootDoc.classNamed(java.time.Month.class.getName()));
addIfNotNull(typeClasses, this.rootDoc.classNamed(java.time.MonthDay.class.getName()));
addIfNotNull(typeClasses, this.rootDoc.classNamed(java.time.OffsetDateTime.class.getName()));
addIfNotNull(typeClasses, this.rootDoc.classNamed(java.time.OffsetTime.class.getName()));
addIfNotNull(typeClasses, this.rootDoc.classNamed(java.time.Period.class.getName()));
addIfNotNull(typeClasses, this.rootDoc.classNamed(java.time.Year.class.getName()));
addIfNotNull(typeClasses, this.rootDoc.classNamed(java.time.YearMonth.class.getName()));
addIfNotNull(typeClasses, this.rootDoc.classNamed(java.time.ZoneId.class.getName()));
addIfNotNull(typeClasses, this.rootDoc.classNamed(java.time.ZoneOffset.class.getName()));
addIfNotNull(typeClasses, this.rootDoc.classNamed(java.time.ZonedDateTime.class.getName()));
addIfNotNull(typeClasses, this.rootDoc.classNamed(java.net.URI.class.getName()));
addIfNotNull(typeClasses, this.rootDoc.classNamed(java.net.URL.class.getName()));
// filter the classes to process
Collection<ClassDoc> docletClasses = new ArrayList<ClassDoc>();
for (ClassDoc classDoc : this.rootDoc.classes()) {
// see if excluded via its FQN
boolean excludeResource = false;
if (this.options.getExcludeResourcePrefixes() != null
&& !this.options.getExcludeResourcePrefixes().isEmpty()) {
for (String prefix : this.options.getExcludeResourcePrefixes()) {
String className = classDoc.qualifiedName();
if (className.startsWith(prefix)) {
excludeResource = true;
break;
}
}
}
// see if the inclusion filter is set and if so this resource must match this
if (!excludeResource
&& this.options.getIncludeResourcePrefixes() != null
&& !this.options.getIncludeResourcePrefixes().isEmpty()) {
boolean matched = false;
for (String prefix : this.options.getIncludeResourcePrefixes()) {
String className = classDoc.qualifiedName();
if (className.startsWith(prefix)) {
matched = true;
break;
}
}
excludeResource = !matched;
}
if (excludeResource) {
continue;
}
// see if deprecated
if (this.options.isExcludeDeprecatedResourceClasses()
&& ParserHelper.isDeprecated(classDoc, this.options)) {
continue;
}
// see if excluded via a tag
if (ParserHelper.hasTag(classDoc, this.options.getExcludeClassTags())) {
continue;
}
docletClasses.add(classDoc);
}
ClassDocCache classCache = new ClassDocCache(docletClasses);
List<ApiDeclaration> declarations = null;
// build up set of subresources
// do simple parsing to find sub resource classes
// these are ones referenced in the return types of methods
// which have a path but no http method
Map<Type, ClassDoc> subResourceClasses = new HashMap<Type, ClassDoc>();
for (ClassDoc classDoc : docletClasses) {
ClassDoc currentClassDoc = classDoc;
while (currentClassDoc != null) {
for (MethodDoc method : currentClassDoc.methods()) {
// if the method has @Path but no Http method then its an entry point to a sub resource
if (!ParserHelper.resolveMethodPath(method, this.options).isEmpty()
&& HttpMethod.fromMethod(method) == null) {
ClassDoc subResourceClassDoc = classCache.findByType(method.returnType());
if (subResourceClassDoc != null) {
if (this.options.isLogDebug()) {
System.out.println(
"Adding return type as sub resource class : "
+ subResourceClassDoc.name()
+ " for method "
+ method.name()
+ " of referencing class "
+ currentClassDoc.name());
}
subResourceClasses.put(method.returnType(), subResourceClassDoc);
}
}
}
currentClassDoc = currentClassDoc.superclass();
// ignore parent object class
if (!ParserHelper.hasAncestor(currentClassDoc)) {
break;
}
}
}
// parse with the v2 parser that supports endpoints of the same resource being spread across
// resource files
Map<String, ApiDeclaration> resourceToDeclaration = new HashMap<String, ApiDeclaration>();
for (ClassDoc classDoc : docletClasses) {
CrossClassApiParser classParser =
new CrossClassApiParser(
this.options,
classDoc,
docletClasses,
subResourceClasses,
typeClasses,
SWAGGER_VERSION,
this.options.getApiVersion(),
this.options.getApiBasePath());
classParser.parse(resourceToDeclaration);
}
Collection<ApiDeclaration> declarationColl = resourceToDeclaration.values();
if (this.options.isLogDebug()) {
System.out.println("After parse phase api declarations are: ");
for (ApiDeclaration apiDec : declarationColl) {
System.out.println(
"Api Dec: base path "
+ apiDec.getBasePath()
+ ", res path: "
+ apiDec.getResourcePath());
for (Api api : apiDec.getApis()) {
System.out.println("Api path:" + api.getPath());
for (Operation op : api.getOperations()) {
System.out.println("Api nick name:" + op.getNickname() + " method " + op.getMethod());
}
}
}
}
// add any extra declarations
if (this.options.getExtraApiDeclarations() != null
&& !this.options.getExtraApiDeclarations().isEmpty()) {
declarationColl = new ArrayList<ApiDeclaration>(declarationColl);
declarationColl.addAll(this.options.getExtraApiDeclarations());
}
// set root path on any empty resources
for (ApiDeclaration api : declarationColl) {
if (api.getResourcePath() == null
|| api.getResourcePath().isEmpty()
|| api.getResourcePath().equals("/")) {
api.setResourcePath(this.options.getResourceRootPath());
}
}
// merge the api declarations
declarationColl =
new ApiDeclarationMerger(
SWAGGER_VERSION, this.options.getApiVersion(), this.options.getApiBasePath())
.merge(declarationColl);
// clear any empty models
for (ApiDeclaration api : declarationColl) {
if (api.getModels() != null && api.getModels().isEmpty()) {
api.setModels(null);
}
}
declarations = new ArrayList<ApiDeclaration>(declarationColl);
// sort the api declarations if needed
if (this.options.isSortResourcesByPriority()) {
Collections.sort(
declarations,
new Comparator<ApiDeclaration>() {
public int compare(ApiDeclaration dec1, ApiDeclaration dec2) {
return Integer.compare(dec1.getPriority(), dec2.getPriority());
}
});
} else if (this.options.isSortResourcesByPath()) {
Collections.sort(
declarations,
new Comparator<ApiDeclaration>() {
public int compare(ApiDeclaration dec1, ApiDeclaration dec2) {
if (dec1 == null || dec1.getResourcePath() == null) {
return 1;
}
if (dec2 == null || dec2.getResourcePath() == null) {
return -1;
}
return dec1.getResourcePath().compareTo(dec2.getResourcePath());
}
});
}
// sort apis of each declaration
if (this.options.isSortApisByPath()) {
for (ApiDeclaration dec : declarations) {
if (dec.getApis() != null) {
Collections.sort(
dec.getApis(),
new Comparator<Api>() {
public int compare(Api o1, Api o2) {
if (o1 == null || o1.getPath() == null) {
return -1;
}
return o1.getPath().compareTo(o2.getPath());
}
});
}
}
}
writeApis(declarations);
// Copy swagger-ui into the output directory.
if (this.options.isIncludeSwaggerUi()) {
copyUi();
}
return true;
} catch (IOException e) {
System.err.println("Failed to write api docs, err msg: " + e.getMessage());
e.printStackTrace();
return false;
}
}