fish.payara.microprofile.openapi.impl.config.OpenApiConfiguration Maven / Gradle / Ivy
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package fish.payara.microprofile.openapi.impl.config;
import static java.util.stream.Collectors.toSet;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.NoSuchElementException;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.eclipse.microprofile.config.Config;
import org.eclipse.microprofile.config.ConfigProvider;
import org.eclipse.microprofile.openapi.OASFilter;
import org.eclipse.microprofile.openapi.OASModelReader;
import org.glassfish.hk2.classmodel.reflect.Type;
import fish.payara.microprofile.openapi.impl.model.media.SchemaImpl;
public class OpenApiConfiguration {
private static final Logger LOGGER = Logger.getLogger(OpenApiConfiguration.class.getName());
private static final String MODEL_READER_KEY = "mp.openapi.model.reader";
private static final String FILTER_KEY = "mp.openapi.filter";
private static final String SCAN_LIB_KEY = "mp.openapi.scan.lib";
private static final String SCAN_DISABLE_KEY = "mp.openapi.scan.disable";
private static final String SCAN_PACKAGES_KEY = "mp.openapi.scan.packages";
private static final String SCAN_CLASSES_KEY = "mp.openapi.scan.classes";
private static final String SCAN_EXCLUDE_PACKAGES_KEY = "mp.openapi.scan.exclude.packages";
private static final String SCAN_EXCLUDE_CLASSES_KEY = "mp.openapi.scan.exclude.classes";
private static final String SERVERS_KEY = "mp.openapi.servers";
private static final String PATH_PREFIX_KEY = "mp.openapi.servers.path.";
private static final String OPERATION_PREFIX_KEY = "mp.openapi.servers.operation.";
private static final String SCHEMA_DEFINITIONS_PREFIX_KEY = "mp.openapi.schema.";
private Class modelReader;
private Class filter;
private boolean scanDisable;
private boolean scanLib;
private List scanPackages = new ArrayList<>();
private List scanClasses = new ArrayList<>();
private List scanExcludePackages = new ArrayList<>();
private List scanExcludeClasses = new ArrayList<>();
private List servers = new ArrayList<>();
private Map> pathServerMap = new HashMap<>();
private Map> operationServerMap = new HashMap<>();
private Map schemaMap = new HashMap<>();
public OpenApiConfiguration(ClassLoader applicationClassLoader) {
// Find the correct configuration instance
if (applicationClassLoader == null) {
applicationClassLoader = getClass().getClassLoader();
}
Config config = ConfigProvider.getConfig(applicationClassLoader);
// Find each variable
for (String propertyName : config.getPropertyNames()) {
parseModelReader(propertyName, config);
parseFilter(propertyName, config);
parseScanDisable(propertyName, config);
parseScanLib(propertyName, config);
parseScanPackages(propertyName, config);
parseScanClasses(propertyName, config);
parseExcludePackages(propertyName, config);
parseExcludeClasses(propertyName, config);
parseServers(propertyName, config);
parsePathServer(propertyName, config);
parseOperationServer(propertyName, config);
parseSchema(propertyName, config);
}
}
/**
* @return the {@link OASModelReader} class provided by the application.
*/
public Class getModelReader() {
return modelReader;
}
/**
* @return the {@link OASFilter} class provided by the application.
*/
public Class getFilter() {
return filter;
}
/**
* @return whether to disable application scanning.
*/
public boolean getScanDisable() {
return scanDisable;
}
/**
* @return whether to disable packaged libraries scanning.
*/
public boolean getScanLib() {
return scanLib;
}
/**
* @return a whitelist of packages to scan in the application.
*/
public List getScanPackages() {
return scanPackages;
}
/**
* @return a whitelist of classes to scan in the application.
*/
public List getScanClasses() {
return scanClasses;
}
/**
* @return a blacklist of packages to not scan in the application.
*/
public List getExcludePackages() {
return scanExcludePackages;
}
/**
* @return a blacklist of classes to not scan in the application.
*/
public List getExcludeClasses() {
return scanExcludeClasses;
}
/**
* @return a list of servers to add to the root document.
*/
public List getServers() {
return servers;
}
/**
* @return a map of paths to the servers it contains.
*/
public Map> getPathServerMap() {
return pathServerMap;
}
/**
* @return a map of operation ids to the servers it contains.
*/
public Map> getOperationServerMap() {
return operationServerMap;
}
/**
* @return a map of schema objects
*/
public Map getSchemaMap() {
return schemaMap;
}
private void parseModelReader(String propertyName, Config config) {
if (propertyName.equals(MODEL_READER_KEY)) {
this.modelReader = parseClass(propertyName, config, "Model Reader", OASModelReader.class);
}
}
private void parseFilter(String propertyName, Config config) {
if (propertyName.equals(FILTER_KEY)) {
this.filter = parseClass(propertyName, config, "Filter", OASFilter.class);
}
}
private void parseScanDisable(String propertyName, Config config) {
if (propertyName.equals(SCAN_DISABLE_KEY)) {
this.scanDisable = config.getValue(propertyName, Boolean.class);
}
}
private void parseScanLib(String propertyName, Config config) {
if (propertyName.equals(SCAN_LIB_KEY)) {
this.scanLib = config.getValue(propertyName, Boolean.class);
}
}
private void parseScanPackages(String propertyName, Config config) {
if (propertyName.equals(SCAN_PACKAGES_KEY)) {
this.scanPackages = parseList(propertyName, config);
}
}
private void parseScanClasses(String propertyName, Config config) {
if (propertyName.equals(SCAN_CLASSES_KEY)) {
this.scanClasses = parseList(propertyName, config);
}
}
private void parseExcludePackages(String propertyName, Config config) {
if (propertyName.equals(SCAN_EXCLUDE_PACKAGES_KEY)) {
this.scanExcludePackages = parseList(propertyName, config);
}
}
private void parseExcludeClasses(String propertyName, Config config) {
if (propertyName.equals(SCAN_EXCLUDE_CLASSES_KEY)) {
this.scanExcludeClasses = parseList(propertyName, config);
}
}
private void parseServers(String propertyName, Config config) {
if (propertyName.equals(SERVERS_KEY)) {
this.servers = parseList(propertyName, config);
}
}
private void parsePathServer(String propertyName, Config config) {
if (propertyName.startsWith(PATH_PREFIX_KEY)) {
final String pathServer = propertyName.replaceFirst(PATH_PREFIX_KEY, "");
pathServerMap.put(pathServer, parseSet(propertyName, config));
}
}
private void parseOperationServer(String propertyName, Config config) {
if (propertyName.startsWith(OPERATION_PREFIX_KEY)) {
final String operationServer = propertyName.replaceFirst(OPERATION_PREFIX_KEY, "");
operationServerMap.put(operationServer, parseSet(propertyName, config));
}
}
private void parseSchema(String propertyName, Config config) {
if (propertyName.startsWith(SCHEMA_DEFINITIONS_PREFIX_KEY)) {
final String schemaName = propertyName.replaceFirst(SCHEMA_DEFINITIONS_PREFIX_KEY, "");
schemaMap.put(schemaName, config.getValue(propertyName, SchemaImpl.class));
}
}
/**
* @param types the list of classes to filter.
* @return a filtered list of classes, using {@link #getScanClasses()},
* {@link #getExcludeClasses()}, {@link #getScanPackages()} and
* {@link #getExcludePackages()}.
*/
public Set getValidClasses(Collection types) {
return types.stream()
// If scan classes are specified, check that the class is in the list
.filter(type -> scanClasses.isEmpty() || scanClasses.contains(type.getName()))
// If exclude classes are specified, check that the class is not the list
.filter(type -> scanExcludeClasses.isEmpty() || !scanExcludeClasses.contains(type.getName()))
// If scan packages are specified, check that the class package starts with one
// in the list
.filter(type -> scanPackages.isEmpty()
|| scanPackages.stream().anyMatch(pkg -> type.getName().startsWith(pkg)))
// If exclude packages are specified, check that the class package doesn't start
// with any in the list
.filter(clazz -> scanExcludePackages.isEmpty()
|| scanExcludePackages.stream().noneMatch(pkg -> clazz.getName().startsWith(pkg)))
.collect(toSet());
}
// static Config API convenience methods
@SuppressWarnings("unchecked")
private static Class parseClass(String propertyName, Config config, String className, Class clazz) {
try {
return (Class) config.getValue(propertyName, Class.class);
} catch (NoSuchElementException ex) {
LOGGER.warning(className + " class not found: " + config.getValue(propertyName, String.class));
} catch (ClassCastException ex) {
LOGGER.log(Level.WARNING, className + " class was wrong type: " + config.getValue(propertyName, String.class), ex);
} catch (Exception ex) {
LOGGER.log(Level.WARNING, "Failed to read " + className + " class" + config.getValue(propertyName, String.class), ex);
}
return null;
}
private static List parseList(String propertyName, Config config) {
return parseCollection(propertyName, config, new ArrayList<>());
}
private static Set parseSet(String propertyName, Config config) {
return parseCollection(propertyName, config, new HashSet<>());
}
private static > C parseCollection(String propertyName, Config config, C instance) {
final String[] array = config.getValue(propertyName, String[].class);
if (array != null) {
for (String item : array) {
instance.add(item);
}
}
return instance;
}
}
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