Java.libraries.jersey2.ApiClient.mustache Maven / Gradle / Ivy
{{>licenseInfo}}
package {{invokerPackage}};
import {{javaxPackage}}.ws.rs.client.Client;
import {{javaxPackage}}.ws.rs.client.ClientBuilder;
import {{javaxPackage}}.ws.rs.client.Entity;
import {{javaxPackage}}.ws.rs.client.Invocation;
import {{javaxPackage}}.ws.rs.client.WebTarget;
import {{javaxPackage}}.ws.rs.core.Form;
import {{javaxPackage}}.ws.rs.core.GenericType;
import {{javaxPackage}}.ws.rs.core.MediaType;
import {{javaxPackage}}.ws.rs.core.Response;
import {{javaxPackage}}.ws.rs.core.Response.Status;
{{#hasOAuthMethods}}
import com.github.scribejava.core.model.OAuth2AccessToken;
{{/hasOAuthMethods}}
import org.glassfish.jersey.client.ClientConfig;
import org.glassfish.jersey.client.ClientProperties;
import org.glassfish.jersey.client.HttpUrlConnectorProvider;
import org.glassfish.jersey.jackson.JacksonFeature;
import org.glassfish.jersey.media.multipart.FormDataBodyPart;
import org.glassfish.jersey.media.multipart.FormDataContentDisposition;
import org.glassfish.jersey.media.multipart.MultiPart;
import org.glassfish.jersey.media.multipart.MultiPartFeature;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import java.security.cert.X509Certificate;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.nio.file.StandardCopyOption;
import org.glassfish.jersey.logging.LoggingFeature;
import java.util.AbstractMap.SimpleEntry;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.Collection;
import java.util.Collections;
import java.util.Map;
import java.util.Map.Entry;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Arrays;
import java.util.ArrayList;
import java.util.Date;
import java.util.stream.Collectors;
import java.util.stream.Stream;
{{#jsr310}}
import java.time.OffsetDateTime;
{{/jsr310}}
import java.net.URLEncoder;
import java.io.File;
import java.io.UnsupportedEncodingException;
import java.text.DateFormat;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import {{invokerPackage}}.auth.Authentication;
import {{invokerPackage}}.auth.HttpBasicAuth;
import {{invokerPackage}}.auth.HttpBearerAuth;
{{#hasHttpSignatureMethods}}
import {{invokerPackage}}.auth.HttpSignatureAuth;
{{/hasHttpSignatureMethods}}
import {{invokerPackage}}.auth.ApiKeyAuth;
{{#hasOAuthMethods}}
import {{invokerPackage}}.auth.OAuth;
{{/hasOAuthMethods}}
/**
* ApiClient class.
*/
{{>generatedAnnotation}}
public class ApiClient{{#jsr310}} extends JavaTimeFormatter{{/jsr310}} {
private static final Pattern JSON_MIME_PATTERN = Pattern.compile("(?i)^(application/json|[^;/ \t]+/[^;/ \t]+[+]json)[ \t]*(;.*)?$");
protected Map defaultHeaderMap = new HashMap<>();
protected Map defaultCookieMap = new HashMap<>();
protected String basePath = "{{{basePath}}}";
protected String userAgent;
private static final Logger log = Logger.getLogger(ApiClient.class.getName());
protected List servers = new ArrayList<>({{#servers}}{{#-first}}Arrays.asList(
{{/-first}} new ServerConfiguration(
"{{{url}}}",
"{{{description}}}{{^description}}No description provided{{/description}}",
{{^variables}}
new LinkedHashMap<>()
{{/variables}}
{{#variables}}
{{#-first}}
Stream.>of(
{{/-first}}
new SimpleEntry<>("{{{name}}}", new ServerVariable(
"{{{description}}}{{^description}}No description provided{{/description}}",
"{{{defaultValue}}}",
new LinkedHashSet<>({{#enumValues}}{{#-first}}Arrays.asList({{/-first}}
"{{{.}}}"{{^-last}},{{/-last}}{{#-last}}
){{/-last}}{{/enumValues}})
)){{^-last}},{{/-last}}
{{#-last}}
).collect(Collectors.toMap(Entry::getKey, Entry::getValue, (a, b) -> a, LinkedHashMap::new))
{{/-last}}
{{/variables}}
){{^-last}},{{/-last}}
{{#-last}}
){{/-last}}{{/servers}});
protected Integer serverIndex = 0;
protected Map serverVariables = null;
{{^hasOperationServers}}
protected Map> operationServers = new HashMap<>();
{{/hasOperationServers}}
{{#hasOperationServers}}
protected Map> operationServers;
{
Map> operationServers = new HashMap<>();
{{#apiInfo}}
{{#apis}}
{{#operations}}
{{#operation}}
{{#servers}}
{{#-first}}
operationServers.put("{{{classname}}}.{{{operationId}}}", new ArrayList<>(Arrays.asList(
{{/-first}}
new ServerConfiguration(
"{{{url}}}",
"{{{description}}}{{^description}}No description provided{{/description}}",
{{^variables}}
new LinkedHashMap<>()
{{/variables}}
{{#variables}}
{{#-first}}
Stream.>of(
{{/-first}}
new SimpleEntry<>("{{{name}}}", new ServerVariable(
"{{{description}}}{{^description}}No description provided{{/description}}",
"{{{defaultValue}}}",
new LinkedHashSet<>({{#enumValues}}{{#-first}}Arrays.asList({{/-first}}
"{{{.}}}"{{^-last}},{{/-last}}{{#-last}}
){{/-last}}{{/enumValues}})
)){{^-last}},{{/-last}}
{{#-last}}
).collect(Collectors.toMap(Entry::getKey, Entry::getValue, (a, b) -> a, LinkedHashMap::new))
{{/-last}}
{{/variables}}
){{^-last}},{{/-last}}
{{#-last}}
)));
{{/-last}}
{{/servers}}
{{/operation}}
{{/operations}}
{{/apis}}
{{/apiInfo}}
this.operationServers = operationServers;
}
{{/hasOperationServers}}
protected Map operationServerIndex = new HashMap<>();
protected Map> operationServerVariables = new HashMap<>();
protected boolean debugging = false;
protected ClientConfig clientConfig;
protected int connectionTimeout = 0;
private int readTimeout = 0;
protected Client httpClient;
protected JSON json;
protected String tempFolderPath = null;
protected Map authentications;
protected Map authenticationLookup;
protected DateFormat dateFormat;
/**
* Constructs a new ApiClient with default parameters.
*/
public ApiClient() {
this(null);
}
/**
* Constructs a new ApiClient with the specified authentication parameters.
*
* @param authMap A hash map containing authentication parameters.
*/
public ApiClient(Map authMap) {
json = new JSON();
httpClient = buildHttpClient();
this.dateFormat = new RFC3339DateFormat();
// Set default User-Agent.
setUserAgent("{{{httpUserAgent}}}{{^httpUserAgent}}OpenAPI-Generator/{{{artifactVersion}}}/java{{/httpUserAgent}}");
// Setup authentications (key: authentication name, value: authentication).
authentications = new HashMap<>();
Authentication auth = null;
{{#authMethods}}
if (authMap != null) {
auth = authMap.get("{{name}}");
}
{{#isBasic}}
{{#isBasicBasic}}
if (auth instanceof HttpBasicAuth) {
authentications.put("{{name}}", auth);
} else {
authentications.put("{{name}}", new HttpBasicAuth());
}
{{/isBasicBasic}}
{{#isBasicBearer}}
if (auth instanceof HttpBearerAuth) {
authentications.put("{{name}}", auth);
} else {
authentications.put("{{name}}", new HttpBearerAuth("{{scheme}}"));
}
{{/isBasicBearer}}
{{#isHttpSignature}}
if (auth instanceof HttpSignatureAuth) {
authentications.put("{{name}}", auth);
}
{{/isHttpSignature}}
{{/isBasic}}
{{#isApiKey}}
if (auth instanceof ApiKeyAuth) {
authentications.put("{{name}}", auth);
} else {
authentications.put("{{name}}", new ApiKeyAuth({{#isKeyInHeader}}"header"{{/isKeyInHeader}}{{^isKeyInHeader}}"query"{{/isKeyInHeader}}, "{{keyParamName}}"));
}
{{/isApiKey}}
{{#isOAuth}}
if (auth instanceof OAuth) {
authentications.put("{{name}}", auth);
} else {
authentications.put("{{name}}", new OAuth(basePath, "{{{tokenUrl}}}"));
}
{{/isOAuth}}
{{/authMethods}}
// Prevent the authentications from being modified.
authentications = Collections.unmodifiableMap(authentications);
// Setup authentication lookup (key: authentication alias, value: authentication name)
authenticationLookup = new HashMap<>();{{#authMethods}}{{#vendorExtensions.x-auth-id-alias}}
authenticationLookup.put("{{name}}", "{{.}}");{{/vendorExtensions.x-auth-id-alias}}{{/authMethods}}
}
/**
* Gets the JSON instance to do JSON serialization and deserialization.
*
* @return JSON
*/
public JSON getJSON() {
return json;
}
/**
* Getter for the field httpClient.
*
* @return a {@link {{javaxPackage}}.ws.rs.client.Client} object.
*/
public Client getHttpClient() {
return httpClient;
}
/**
* Setter for the field httpClient.
*
* @param httpClient a {@link {{javaxPackage}}.ws.rs.client.Client} object.
* @return a {@link ApiClient} object.
*/
public ApiClient setHttpClient(Client httpClient) {
this.httpClient = httpClient;
return this;
}
/**
* Returns the base URL to the location where the OpenAPI document is being served.
*
* @return The base URL to the target host.
*/
public String getBasePath() {
return basePath;
}
/**
* Sets the base URL to the location where the OpenAPI document is being served.
*
* @param basePath The base URL to the target host.
* @return a {@link ApiClient} object.
*/
public ApiClient setBasePath(String basePath) {
this.basePath = basePath;
{{#hasOAuthMethods}}
setOauthBasePath(basePath);
{{/hasOAuthMethods}}
return this;
}
/**
* Getter for the field servers.
*
* @return a {@link java.util.List} of servers.
*/
public List getServers() {
return servers;
}
/**
* Setter for the field servers.
*
* @param servers a {@link java.util.List} of servers.
* @return a {@link ApiClient} object.
*/
public ApiClient setServers(List servers) {
this.servers = servers;
updateBasePath();
return this;
}
/**
* Getter for the field serverIndex.
*
* @return a {@link java.lang.Integer} object.
*/
public Integer getServerIndex() {
return serverIndex;
}
/**
* Setter for the field serverIndex.
*
* @param serverIndex the server index
* @return a {@link ApiClient} object.
*/
public ApiClient setServerIndex(Integer serverIndex) {
this.serverIndex = serverIndex;
updateBasePath();
return this;
}
/**
* Getter for the field serverVariables.
*
* @return a {@link java.util.Map} of server variables.
*/
public Map getServerVariables() {
return serverVariables;
}
/**
* Setter for the field serverVariables.
*
* @param serverVariables a {@link java.util.Map} of server variables.
* @return a {@link ApiClient} object.
*/
public ApiClient setServerVariables(Map serverVariables) {
this.serverVariables = serverVariables;
updateBasePath();
return this;
}
private void updateBasePath() {
if (serverIndex != null) {
setBasePath(servers.get(serverIndex).URL(serverVariables));
}
}
{{#hasOAuthMethods}}
private void setOauthBasePath(String basePath) {
for(Authentication auth : authentications.values()) {
if (auth instanceof OAuth) {
((OAuth) auth).setBasePath(basePath);
}
}
}
{{/hasOAuthMethods}}
/**
* Get authentications (key: authentication name, value: authentication).
*
* @return Map of authentication object
*/
public Map getAuthentications() {
return authentications;
}
/**
* Get authentication for the given name.
*
* @param authName The authentication name
* @return The authentication, null if not found
*/
public Authentication getAuthentication(String authName) {
return authentications.get(authName);
}
/**
* Helper method to set username for the first HTTP basic authentication.
*
* @param username Username
* @return a {@link ApiClient} object.
*/
public ApiClient setUsername(String username) {
for (Authentication auth : authentications.values()) {
if (auth instanceof HttpBasicAuth) {
((HttpBasicAuth) auth).setUsername(username);
return this;
}
}
throw new RuntimeException("No HTTP basic authentication configured!");
}
/**
* Helper method to set password for the first HTTP basic authentication.
*
* @param password Password
* @return a {@link ApiClient} object.
*/
public ApiClient setPassword(String password) {
for (Authentication auth : authentications.values()) {
if (auth instanceof HttpBasicAuth) {
((HttpBasicAuth) auth).setPassword(password);
return this;
}
}
throw new RuntimeException("No HTTP basic authentication configured!");
}
/**
* Helper method to set API key value for the first API key authentication.
*
* @param apiKey API key
* @return a {@link ApiClient} object.
*/
public ApiClient setApiKey(String apiKey) {
for (Authentication auth : authentications.values()) {
if (auth instanceof ApiKeyAuth) {
((ApiKeyAuth) auth).setApiKey(apiKey);
return this;
}
}
throw new RuntimeException("No API key authentication configured!");
}
/**
* Helper method to configure authentications which respects aliases of API keys.
*
* @param secrets Hash map from authentication name to its secret.
* @return a {@link ApiClient} object.
*/
public ApiClient configureApiKeys(Map secrets) {
for (Map.Entry authEntry : authentications.entrySet()) {
Authentication auth = authEntry.getValue();
if (auth instanceof ApiKeyAuth) {
String name = authEntry.getKey();
// respect x-auth-id-alias property
name = authenticationLookup.getOrDefault(name, name);
String secret = secrets.get(name);
if (secret != null) {
((ApiKeyAuth) auth).setApiKey(secret);
}
}
}
return this;
}
/**
* Helper method to set API key prefix for the first API key authentication.
*
* @param apiKeyPrefix API key prefix
* @return a {@link ApiClient} object.
*/
public ApiClient setApiKeyPrefix(String apiKeyPrefix) {
for (Authentication auth : authentications.values()) {
if (auth instanceof ApiKeyAuth) {
((ApiKeyAuth) auth).setApiKeyPrefix(apiKeyPrefix);
return this;
}
}
throw new RuntimeException("No API key authentication configured!");
}
/**
* Helper method to set bearer token for the first Bearer authentication.
*
* @param bearerToken Bearer token
* @return a {@link ApiClient} object.
*/
public ApiClient setBearerToken(String bearerToken) {
for (Authentication auth : authentications.values()) {
if (auth instanceof HttpBearerAuth) {
((HttpBearerAuth) auth).setBearerToken(bearerToken);
return this;
}
}
throw new RuntimeException("No Bearer authentication configured!");
}
{{#hasOAuthMethods}}
/**
* Helper method to set access token for the first OAuth2 authentication.
*
* @param accessToken Access token
* @return a {@link ApiClient} object.
*/
public ApiClient setAccessToken(String accessToken) {
for (Authentication auth : authentications.values()) {
if (auth instanceof OAuth) {
((OAuth) auth).setAccessToken(accessToken);
return this;
}
}
throw new RuntimeException("No OAuth2 authentication configured!");
}
/**
* Helper method to set the credentials for the first OAuth2 authentication.
*
* @param clientId the client ID
* @param clientSecret the client secret
* @return a {@link ApiClient} object.
*/
public ApiClient setOauthCredentials(String clientId, String clientSecret) {
for (Authentication auth : authentications.values()) {
if (auth instanceof OAuth) {
((OAuth) auth).setCredentials(clientId, clientSecret, isDebugging());
return this;
}
}
throw new RuntimeException("No OAuth2 authentication configured!");
}
/**
* Helper method to set the credentials of a public client for the first OAuth2 authentication.
*
* @param clientId the client ID
* @return a {@link ApiClient} object.
*/
public ApiClient setOauthCredentialsForPublicClient(String clientId) {
for (Authentication auth : authentications.values()) {
if (auth instanceof OAuth) {
((OAuth) auth).setCredentialsForPublicClient(clientId, isDebugging());
return this;
}
}
throw new RuntimeException("No OAuth2 authentication configured!");
}
/**
* Helper method to set the password flow for the first OAuth2 authentication.
*
* @param username the user name
* @param password the user password
* @return a {@link ApiClient} object.
*/
public ApiClient setOauthPasswordFlow(String username, String password) {
for (Authentication auth : authentications.values()) {
if (auth instanceof OAuth) {
((OAuth) auth).usePasswordFlow(username, password);
return this;
}
}
throw new RuntimeException("No OAuth2 authentication configured!");
}
/**
* Helper method to set the authorization code flow for the first OAuth2 authentication.
*
* @param code the authorization code
* @return a {@link ApiClient} object.
*/
public ApiClient setOauthAuthorizationCodeFlow(String code) {
for (Authentication auth : authentications.values()) {
if (auth instanceof OAuth) {
((OAuth) auth).useAuthorizationCodeFlow(code);
return this;
}
}
throw new RuntimeException("No OAuth2 authentication configured!");
}
/**
* Helper method to set the scopes for the first OAuth2 authentication.
*
* @param scope the oauth scope
* @return a {@link ApiClient} object.
*/
public ApiClient setOauthScope(String scope) {
for (Authentication auth : authentications.values()) {
if (auth instanceof OAuth) {
((OAuth) auth).setScope(scope);
return this;
}
}
throw new RuntimeException("No OAuth2 authentication configured!");
}
{{/hasOAuthMethods}}
/**
* Set the User-Agent header's value (by adding to the default header map).
*
* @param userAgent Http user agent
* @return a {@link ApiClient} object.
*/
public ApiClient setUserAgent(String userAgent) {
this.userAgent = userAgent;
addDefaultHeader("User-Agent", userAgent);
return this;
}
/**
* Get the User-Agent header's value.
*
* @return User-Agent string
*/
public String getUserAgent(){
return userAgent;
}
/**
* Add a default header.
*
* @param key The header's key
* @param value The header's value
* @return a {@link ApiClient} object.
*/
public ApiClient addDefaultHeader(String key, String value) {
defaultHeaderMap.put(key, value);
return this;
}
/**
* Add a default cookie.
*
* @param key The cookie's key
* @param value The cookie's value
* @return a {@link ApiClient} object.
*/
public ApiClient addDefaultCookie(String key, String value) {
defaultCookieMap.put(key, value);
return this;
}
/**
* Gets the client config.
*
* @return Client config
*/
public ClientConfig getClientConfig() {
return clientConfig;
}
/**
* Set the client config.
*
* @param clientConfig Set the client config
* @return a {@link ApiClient} object.
*/
public ApiClient setClientConfig(ClientConfig clientConfig) {
this.clientConfig = clientConfig;
// Rebuild HTTP Client according to the new "clientConfig" value.
this.httpClient = buildHttpClient();
return this;
}
/**
* Check that whether debugging is enabled for this API client.
*
* @return True if debugging is switched on
*/
public boolean isDebugging() {
return debugging;
}
/**
* Enable/disable debugging for this API client.
*
* @param debugging To enable (true) or disable (false) debugging
* @return a {@link ApiClient} object.
*/
public ApiClient setDebugging(boolean debugging) {
this.debugging = debugging;
// Rebuild HTTP Client according to the new "debugging" value.
this.httpClient = buildHttpClient();
return this;
}
/**
* The path of temporary folder used to store downloaded files from endpoints
* with file response. The default value is null, i.e. using
* the system's default temporary folder.
*
* @return Temp folder path
*/
public String getTempFolderPath() {
return tempFolderPath;
}
/**
* Set temp folder path
*
* @param tempFolderPath Temp folder path
* @return a {@link ApiClient} object.
*/
public ApiClient setTempFolderPath(String tempFolderPath) {
this.tempFolderPath = tempFolderPath;
return this;
}
/**
* Connect timeout (in milliseconds).
*
* @return Connection timeout
*/
public int getConnectTimeout() {
return connectionTimeout;
}
/**
* Set the connect timeout (in milliseconds).
* A value of 0 means no timeout, otherwise values must be between 1 and
* {@link Integer#MAX_VALUE}.
*
* @param connectionTimeout Connection timeout in milliseconds
* @return a {@link ApiClient} object.
*/
public ApiClient setConnectTimeout(int connectionTimeout) {
this.connectionTimeout = connectionTimeout;
httpClient.property(ClientProperties.CONNECT_TIMEOUT, connectionTimeout);
return this;
}
/**
* read timeout (in milliseconds).
*
* @return Read timeout
*/
public int getReadTimeout() {
return readTimeout;
}
/**
* Set the read timeout (in milliseconds).
* A value of 0 means no timeout, otherwise values must be between 1 and
* {@link Integer#MAX_VALUE}.
*
* @param readTimeout Read timeout in milliseconds
* @return a {@link ApiClient} object.
*/
public ApiClient setReadTimeout(int readTimeout) {
this.readTimeout = readTimeout;
httpClient.property(ClientProperties.READ_TIMEOUT, readTimeout);
return this;
}
/**
* Get the date format used to parse/format date parameters.
*
* @return Date format
*/
public DateFormat getDateFormat() {
return dateFormat;
}
/**
* Set the date format used to parse/format date parameters.
*
* @param dateFormat Date format
* @return a {@link ApiClient} object.
*/
public ApiClient setDateFormat(DateFormat dateFormat) {
this.dateFormat = dateFormat;
// also set the date format for model (de)serialization with Date properties
this.json.setDateFormat((DateFormat) dateFormat.clone());
return this;
}
/**
* Parse the given string into Date object.
*
* @param str String
* @return Date
*/
public Date parseDate(String str) {
try {
return dateFormat.parse(str);
} catch (java.text.ParseException e) {
throw new RuntimeException(e);
}
}
/**
* Format the given Date object into string.
*
* @param date Date
* @return Date in string format
*/
public String formatDate(Date date) {
return dateFormat.format(date);
}
/**
* Format the given parameter object into string.
*
* @param param Object
* @return Object in string format
*/
public String parameterToString(Object param) {
if (param == null) {
return "";
} else if (param instanceof Date) {
return formatDate((Date) param);
} {{#jsr310}}else if (param instanceof OffsetDateTime) {
return formatOffsetDateTime((OffsetDateTime) param);
} {{/jsr310}}else if (param instanceof Collection) {
StringBuilder b = new StringBuilder();
for(Object o : (Collection)param) {
if(b.length() > 0) {
b.append(',');
}
b.append(String.valueOf(o));
}
return b.toString();
} else {
return String.valueOf(param);
}
}
/*
* Format to {@code Pair} objects.
*
* @param collectionFormat Collection format
* @param name Name
* @param value Value
* @return List of pairs
*/
public List parameterToPairs(String collectionFormat, String name, Object value){
List params = new ArrayList<>();
// preconditions
if (name == null || name.isEmpty() || value == null) return params;
Collection valueCollection;
if (value instanceof Collection) {
valueCollection = (Collection) value;
} else {
params.add(new Pair(name, parameterToString(value)));
return params;
}
if (valueCollection.isEmpty()){
return params;
}
// get the collection format (default: csv)
String format = (collectionFormat == null || collectionFormat.isEmpty() ? "csv" : collectionFormat);
// create the params based on the collection format
if ("multi".equals(format)) {
for (Object item : valueCollection) {
params.add(new Pair(name, parameterToString(item)));
}
return params;
}
String delimiter = ",";
if ("csv".equals(format)) {
delimiter = ",";
} else if ("ssv".equals(format)) {
delimiter = " ";
} else if ("tsv".equals(format)) {
delimiter = "\t";
} else if ("pipes".equals(format)) {
delimiter = "|";
}
StringBuilder sb = new StringBuilder() ;
for (Object item : valueCollection) {
sb.append(delimiter);
sb.append(parameterToString(item));
}
params.add(new Pair(name, sb.substring(1)));
return params;
}
/**
* Check if the given MIME is a JSON MIME.
* JSON MIME examples:
* application/json
* application/json; charset=UTF8
* APPLICATION/JSON
* application/vnd.company+json
* "*{@literal /}*" is also considered JSON by this method.
*
* @param mime MIME
* @return True if the MIME type is JSON
*/
public boolean isJsonMime(String mime) {
return mime != null && (mime.equals("*/*") || JSON_MIME_PATTERN.matcher(mime).matches());
}
/**
* Select the Accept header's value from the given accepts array:
* if JSON exists in the given array, use it;
* otherwise use all of them (joining into a string)
*
* @param accepts The accepts array to select from
* @return The Accept header to use. If the given array is empty,
* null will be returned (not to set the Accept header explicitly).
*/
public String selectHeaderAccept(String... accepts) {
if (accepts == null || accepts.length == 0) {
return null;
}
for (String accept : accepts) {
if (isJsonMime(accept)) {
return accept;
}
}
return StringUtil.join(accepts, ",");
}
/**
* Select the Content-Type header's value from the given array:
* if JSON exists in the given array, use it;
* otherwise use the first one of the array.
*
* @param contentTypes The Content-Type array to select from
* @return The Content-Type header to use. If the given array is empty,
* JSON will be used.
*/
public String selectHeaderContentType(String... contentTypes) {
if (contentTypes == null || contentTypes.length == 0) {
return "application/json";
}
for (String contentType : contentTypes) {
if (isJsonMime(contentType)) {
return contentType;
}
}
return contentTypes[0];
}
/**
* Escape the given string to be used as URL query value.
*
* @param str String
* @return Escaped string
*/
public String escapeString(String str) {
try {
return URLEncoder.encode(str, "utf8").replaceAll("\\+", "%20");
} catch (UnsupportedEncodingException e) {
return str;
}
}
/**
* Serialize the given Java object into string entity according the given
* Content-Type (only JSON is supported for now).
*
* @param obj Object
* @param formParams Form parameters
* @param contentType Context type
* @return Entity
* @throws ApiException API exception
*/
public Entity serialize(Object obj, Map formParams, String contentType, boolean isBodyNullable) throws ApiException {
Entity entity;
if (contentType.startsWith("multipart/form-data")) {
MultiPart multiPart = new MultiPart();
for (Entry param: formParams.entrySet()) {
if (param.getValue() instanceof Iterable) {
((Iterable)param.getValue()).forEach(v -> addParamToMultipart(v, param.getKey(), multiPart));
} else {
addParamToMultipart(param.getValue(), param.getKey(), multiPart);
}
}
entity = Entity.entity(multiPart, MediaType.MULTIPART_FORM_DATA_TYPE);
} else if (contentType.startsWith("application/x-www-form-urlencoded")) {
Form form = new Form();
for (Entry param: formParams.entrySet()) {
form.param(param.getKey(), parameterToString(param.getValue()));
}
entity = Entity.entity(form, MediaType.APPLICATION_FORM_URLENCODED_TYPE);
} else {
// We let jersey handle the serialization
if (isBodyNullable) { // payload is nullable
if (obj instanceof String) {
entity = Entity.entity(obj == null ? "null" : "\"" + ((String)obj).replaceAll("\"", Matcher.quoteReplacement("\\\"")) + "\"", contentType);
} else {
entity = Entity.entity(obj == null ? "null" : obj, contentType);
}
} else {
if (obj instanceof String) {
entity = Entity.entity(obj == null ? "" : "\"" + ((String)obj).replaceAll("\"", Matcher.quoteReplacement("\\\"")) + "\"", contentType);
} else {
entity = Entity.entity(obj == null ? "" : obj, contentType);
}
}
}
return entity;
}
/**
* Adds the object with the provided key to the MultiPart.
* Based on the object type sets Content-Disposition and Content-Type.
*
* @param obj Object
* @param key Key of the object
* @param multiPart MultiPart to add the form param to
*/
private void addParamToMultipart(Object value, String key, MultiPart multiPart) {
if (value instanceof File) {
File file = (File) value;
FormDataContentDisposition contentDisp = FormDataContentDisposition.name(key)
.fileName(file.getName()).size(file.length()).build();
// Attempt to probe the content type for the file so that the form part is more correctly
// and precisely identified, but fall back to application/octet-stream if that fails.
MediaType type;
try {
type = MediaType.valueOf(Files.probeContentType(file.toPath()));
} catch (IOException | IllegalArgumentException e) {
type = MediaType.APPLICATION_OCTET_STREAM_TYPE;
}
multiPart.bodyPart(new FormDataBodyPart(contentDisp, file, type));
} else {
FormDataContentDisposition contentDisp = FormDataContentDisposition.name(key).build();
multiPart.bodyPart(new FormDataBodyPart(contentDisp, parameterToString(value)));
}
}
/**
* Serialize the given Java object into string according the given
* Content-Type (only JSON, HTTP form is supported for now).
*
* @param obj Object
* @param formParams Form parameters
* @param contentType Context type
* @param isBodyNullable True if the body is nullable
* @return String
* @throws ApiException API exception
*/
public String serializeToString(Object obj, Map formParams, String contentType, boolean isBodyNullable) throws ApiException {
try {
if (contentType.startsWith("multipart/form-data")) {
throw new ApiException("multipart/form-data not yet supported for serializeToString (http signature authentication)");
} else if (contentType.startsWith("application/x-www-form-urlencoded")) {
String formString = "";
for (Entry param : formParams.entrySet()) {
formString = param.getKey() + "=" + URLEncoder.encode(parameterToString(param.getValue()), "UTF-8") + "&";
}
if (formString.length() == 0) { // empty string
return formString;
} else {
return formString.substring(0, formString.length() - 1);
}
} else {
if (isBodyNullable) {
return obj == null ? "null" : json.getMapper().writeValueAsString(obj);
} else {
return obj == null ? "" : json.getMapper().writeValueAsString(obj);
}
}
} catch (Exception ex) {
throw new ApiException("Failed to perform serializeToString: " + ex.toString());
}
}
/**
* Deserialize response body to Java object according to the Content-Type.
*
* @param Type
* @param response Response
* @param returnType Return type
* @return Deserialize object
* @throws ApiException API exception
*/
@SuppressWarnings("unchecked")
public T deserialize(Response response, GenericType returnType) throws ApiException {
if (response == null || returnType == null) {
return null;
}
if ("byte[]".equals(returnType.toString())) {
// Handle binary response (byte array).
return (T) response.readEntity(byte[].class);
} else if (returnType.getRawType() == File.class) {
// Handle file downloading.
T file = (T) downloadFileFromResponse(response);
return file;
}
// read the entity stream multiple times
response.bufferEntity();
return response.readEntity(returnType);
}
/**
* Download file from the given response.
*
* @param response Response
* @return File
* @throws ApiException If fail to read file content from response and write to disk
*/
public File downloadFileFromResponse(Response response) throws ApiException {
try {
File file = prepareDownloadFile(response);
Files.copy(response.readEntity(InputStream.class), file.toPath(), StandardCopyOption.REPLACE_EXISTING);
return file;
} catch (IOException e) {
throw new ApiException(e);
}
}
/**
* Prepare the file for download from the response.
*
* @param response a {@link {{javaxPackage}}.ws.rs.core.Response} object.
* @return a {@link java.io.File} object.
* @throws java.io.IOException if any.
*/
public File prepareDownloadFile(Response response) throws IOException {
String filename = null;
String contentDisposition = (String) response.getHeaders().getFirst("Content-Disposition");
if (contentDisposition != null && !"".equals(contentDisposition)) {
// Get filename from the Content-Disposition header.
Pattern pattern = Pattern.compile("filename=['\"]?([^'\"\\s]+)['\"]?");
Matcher matcher = pattern.matcher(contentDisposition);
if (matcher.find())
filename = matcher.group(1);
}
String prefix;
String suffix = null;
if (filename == null) {
prefix = "download-";
suffix = "";
} else {
int pos = filename.lastIndexOf('.');
if (pos == -1) {
prefix = filename + "-";
} else {
prefix = filename.substring(0, pos) + "-";
suffix = filename.substring(pos);
}
// Files.createTempFile requires the prefix to be at least three characters long
if (prefix.length() < 3)
prefix = "download-";
}
if (tempFolderPath == null)
return Files.createTempFile(prefix, suffix).toFile();
else
return Files.createTempFile(Paths.get(tempFolderPath), prefix, suffix).toFile();
}
/**
* Invoke API by sending HTTP request with the given options.
*
* @param Type
* @param operation The qualified name of the operation
* @param path The sub-path of the HTTP URL
* @param method The request method, one of "GET", "POST", "PUT", "HEAD" and "DELETE"
* @param queryParams The query parameters
* @param body The request body object
* @param headerParams The header parameters
* @param cookieParams The cookie parameters
* @param formParams The form parameters
* @param accept The request's Accept header
* @param contentType The request's Content-Type header
* @param authNames The authentications to apply
* @param returnType The return type into which to deserialize the response
* @param isBodyNullable True if the body is nullable
* @return The response body in type of string
* @throws ApiException API exception
*/
public ApiResponse invokeAPI(
String operation,
String path,
String method,
List queryParams,
Object body,
Map headerParams,
Map cookieParams,
Map formParams,
String accept,
String contentType,
String[] authNames,
GenericType returnType,
boolean isBodyNullable)
throws ApiException {
String targetURL;
List serverConfigurations;
if (serverIndex != null && (serverConfigurations = operationServers.get(operation)) != null) {
int index = operationServerIndex.getOrDefault(operation, serverIndex).intValue();
Map variables = operationServerVariables.getOrDefault(operation, serverVariables);
if (index < 0 || index >= serverConfigurations.size()) {
throw new ArrayIndexOutOfBoundsException(
String.format(
"Invalid index %d when selecting the host settings. Must be less than %d",
index, serverConfigurations.size()));
}
targetURL = serverConfigurations.get(index).URL(variables) + path;
} else {
targetURL = this.basePath + path;
}
// Not using `.target(targetURL).path(path)` below,
// to support (constant) query string in `path`, e.g. "/posts?draft=1"
WebTarget target = httpClient.target(targetURL);
if (queryParams != null) {
for (Pair queryParam : queryParams) {
if (queryParam.getValue() != null) {
target = target.queryParam(queryParam.getName(), escapeString(queryParam.getValue()));
}
}
}
Invocation.Builder invocationBuilder = target.request();
if (accept != null) {
invocationBuilder = invocationBuilder.accept(accept);
}
for (Entry entry : cookieParams.entrySet()) {
String value = entry.getValue();
if (value != null) {
invocationBuilder = invocationBuilder.cookie(entry.getKey(), value);
}
}
for (Entry entry : defaultCookieMap.entrySet()) {
String value = entry.getValue();
if (value != null) {
invocationBuilder = invocationBuilder.cookie(entry.getKey(), value);
}
}
Entity entity = serialize(body, formParams, contentType, isBodyNullable);
// put all headers in one place
Map allHeaderParams = new HashMap<>(defaultHeaderMap);
allHeaderParams.putAll(headerParams);
if (authNames != null) {
// update different parameters (e.g. headers) for authentication
updateParamsForAuth(
authNames,
queryParams,
allHeaderParams,
cookieParams,
{{#hasHttpSignatureMethods}}
serializeToString(body, formParams, contentType, isBodyNullable),
{{/hasHttpSignatureMethods}}
{{^hasHttpSignatureMethods}}
null,
{{/hasHttpSignatureMethods}}
method,
target.getUri());
}
for (Entry entry : allHeaderParams.entrySet()) {
String value = entry.getValue();
if (value != null) {
invocationBuilder = invocationBuilder.header(entry.getKey(), value);
}
}
Response response = null;
try {
response = sendRequest(method, invocationBuilder, entity);
final int statusCode = response.getStatusInfo().getStatusCode();
{{#hasOAuthMethods}}
// If OAuth is used and a status 401 is received, renew the access token and retry the request
if (authNames != null && statusCode == Status.UNAUTHORIZED.getStatusCode()) {
for (String authName : authNames) {
Authentication authentication = authentications.get(authName);
if (authentication instanceof OAuth) {
OAuth2AccessToken accessToken = ((OAuth) authentication).renewAccessToken();
if (accessToken != null) {
invocationBuilder.header("Authorization", null);
invocationBuilder.header("Authorization", "Bearer " + accessToken.getAccessToken());
response = sendRequest(method, invocationBuilder, entity);
}
break;
}
}
}
{{/hasOAuthMethods}}
Map> responseHeaders = buildResponseHeaders(response);
if (statusCode == Status.NO_CONTENT.getStatusCode()) {
return new ApiResponse(statusCode, responseHeaders);
} else if (response.getStatusInfo().getFamily() == Status.Family.SUCCESSFUL) {
if (returnType == null) {
return new ApiResponse(statusCode, responseHeaders);
} else {
return new ApiResponse(statusCode, responseHeaders, deserialize(response, returnType));
}
} else {
String message = "error";
String respBody = null;
if (response.hasEntity()) {
try {
respBody = String.valueOf(response.readEntity(String.class));
message = respBody;
} catch (RuntimeException e) {
// e.printStackTrace();
}
}
throw new ApiException(
response.getStatus(), message, buildResponseHeaders(response), respBody);
}
} finally {
try {
response.close();
} catch (Exception e) {
// it's not critical, since the response object is local in method invokeAPI; that's fine,
// just continue
}
}
}
private Response sendRequest(String method, Invocation.Builder invocationBuilder, Entity entity) {
Response response;
if ("POST".equals(method)) {
response = invocationBuilder.post(entity);
} else if ("PUT".equals(method)) {
response = invocationBuilder.put(entity);
} else if ("DELETE".equals(method)) {
if ("".equals(entity.getEntity())) {
response = invocationBuilder.method("DELETE");
} else {
response = invocationBuilder.method("DELETE", entity);
}
} else if ("PATCH".equals(method)) {
response = invocationBuilder.method("PATCH", entity);
} else {
response = invocationBuilder.method(method);
}
return response;
}
/**
* @deprecated Add qualified name of the operation as a first parameter.
*/
@Deprecated
public ApiResponse invokeAPI(String path, String method, List queryParams, Object body, Map headerParams, Map cookieParams, Map formParams, String accept, String contentType, String[] authNames, GenericType returnType, boolean isBodyNullable) throws ApiException {
return invokeAPI(null, path, method, queryParams, body, headerParams, cookieParams, formParams, accept, contentType, authNames, returnType, isBodyNullable);
}
/**
* Build the Client used to make HTTP requests.
*
* @return Client
*/
protected Client buildHttpClient() {
// recreate the client config to pickup changes
clientConfig = getDefaultClientConfig();
ClientBuilder clientBuilder = ClientBuilder.newBuilder();
clientBuilder = clientBuilder.withConfig(clientConfig);
customizeClientBuilder(clientBuilder);
return clientBuilder.build();
}
/**
* Get the default client config.
*
* @return Client config
*/
public ClientConfig getDefaultClientConfig() {
ClientConfig clientConfig = new ClientConfig();
clientConfig.register(MultiPartFeature.class);
clientConfig.register(json);
clientConfig.register(JacksonFeature.class);
clientConfig.property(HttpUrlConnectorProvider.SET_METHOD_WORKAROUND, true);
// turn off compliance validation to be able to send payloads with DELETE calls
clientConfig.property(ClientProperties.SUPPRESS_HTTP_COMPLIANCE_VALIDATION, true);
if (debugging) {
clientConfig.register(new LoggingFeature(java.util.logging.Logger.getLogger(LoggingFeature.DEFAULT_LOGGER_NAME), java.util.logging.Level.INFO, LoggingFeature.Verbosity.PAYLOAD_ANY, 1024*50 /* Log payloads up to 50K */));
clientConfig.property(LoggingFeature.LOGGING_FEATURE_VERBOSITY, LoggingFeature.Verbosity.PAYLOAD_ANY);
// Set logger to ALL
java.util.logging.Logger.getLogger(LoggingFeature.DEFAULT_LOGGER_NAME).setLevel(java.util.logging.Level.ALL);
} else {
// suppress warnings for payloads with DELETE calls:
java.util.logging.Logger.getLogger("org.glassfish.jersey.client").setLevel(java.util.logging.Level.SEVERE);
}
return clientConfig;
}
/**
* Customize the client builder.
*
* This method can be overridden to customize the API client. For example, this can be used to:
* 1. Set the hostname verifier to be used by the client to verify the endpoint's hostname
* against its identification information.
* 2. Set the client-side key store.
* 3. Set the SSL context that will be used when creating secured transport connections to
* server endpoints from web targets created by the client instance that is using this SSL context.
* 4. Set the client-side trust store.
*
* To completely disable certificate validation (at your own risk), you can
* override this method and invoke disableCertificateValidation(clientBuilder).
*
* @param clientBuilder a {@link {{javaxPackage}}.ws.rs.client.ClientBuilder} object.
*/
protected void customizeClientBuilder(ClientBuilder clientBuilder) {
// No-op extension point
}
/**
* Disable X.509 certificate validation in TLS connections.
*
* Please note that trusting all certificates is extremely risky.
* This may be useful in a development environment with self-signed certificates.
*
* @param clientBuilder a {@link {{javaxPackage}}.ws.rs.client.ClientBuilder} object.
* @throws java.security.KeyManagementException if any.
* @throws java.security.NoSuchAlgorithmException if any.
*/
protected void disableCertificateValidation(ClientBuilder clientBuilder) throws KeyManagementException, NoSuchAlgorithmException {
TrustManager[] trustAllCerts = new X509TrustManager[] {
new X509TrustManager() {
@Override
public X509Certificate[] getAcceptedIssuers() {
return null;
}
@Override
public void checkClientTrusted(X509Certificate[] certs, String authType) {
}
@Override
public void checkServerTrusted(X509Certificate[] certs, String authType) {
}
}
};
SSLContext sslContext = SSLContext.getInstance("TLS");
sslContext.init(null, trustAllCerts, new SecureRandom());
clientBuilder.sslContext(sslContext);
}
/**
* Build the response headers.
*
* @param response a {@link {{javaxPackage}}.ws.rs.core.Response} object.
* @return a {@link java.util.Map} of response headers.
*/
protected Map> buildResponseHeaders(Response response) {
Map> responseHeaders = new HashMap<>();
for (Entry> entry: response.getHeaders().entrySet()) {
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