fish.payara.microprofile.openapi.impl.config.OpenApiConfiguration Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of payara-micro Show documentation
Show all versions of payara-micro Show documentation
Micro Distribution of the Payara Project
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) [2018-2023] Payara Foundation and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://github.com/payara/Payara/blob/master/LICENSE.txt
* See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* The Payara Foundation designates this particular file as subject to the "Classpath"
* exception as provided by the Payara Foundation in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
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;
import java.util.Optional;
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.extensions.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 = false;
private boolean scanLib = false;
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 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 scanClasses,
* scanExcludeClasses, scanPackages and scanExcludePackages.
*/
public Set getValidClasses(Collection types) {
return types.stream()
.filter(type -> checkValidity(type.getName()))
.collect(toSet());
}
/**
* Follow the OpenApi rules for scan inclusions and exclusions.
*
* @param type Class name to be checked
* @return true if the files is to be scanned
*/
private boolean checkValidity(String type) {
// A class is not scanned if it's listed in mp.openapi.scan.exclude.classes
if (scanExcludeClasses.contains(type)) {
return false;
}
// A class is scanned if it's listed in mp.openapi.scan.classes
if (scanClasses.contains(type)) {
return true;
}
// A class is not scanned if its package, or any of its parent packages
// are listed in mp.openapi.scan.exclude.packages, unless a more
// complete package or parent package is listed in
// mp.openapi.scan.packages
Optional mostSpecificInclude = scanPackages.stream()
.filter(pkg -> type.startsWith(pkg))
// find longest, e.g. most specific package
.sorted((p1, p2) -> p2.length() - p1.length())
.findFirst();
Optional mostSpecificExclude = scanExcludePackages.stream()
.filter(pkg -> type.startsWith(pkg))
// find longest, e.g. most specific package
.sorted((p1, p2) -> p2.length() - p1.length())
.findFirst();
if (mostSpecificExclude.isPresent()) {
if (mostSpecificInclude.isPresent()
&& mostSpecificInclude.get().length() > mostSpecificExclude.get().length()) {
// more specific include found, overrides exclude, do nothing now
} else {
// most specific exclude
return false;
}
}
// A class is scanned if its package or any of its parent packages are
// listed in mp.openapi.scan.packages
if (mostSpecificInclude.isPresent()) {
return true;
}
// A class is scanned if mp.openapi.scan.classes and
// mp.openapi.scan.packages are both empty or not set
return scanClasses.isEmpty() && scanPackages.isEmpty();
}
// 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.strip()); // Strip because MP TCK uses ", " as separator for array properties
}
}
return instance;
}
}