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/*
* Copyright (c) 2021 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package org.glassfish.jersey;
import org.glassfish.jersey.internal.AbstractServiceFinderConfigurator;
import org.glassfish.jersey.internal.BootstrapBag;
import org.glassfish.jersey.internal.ServiceFinder;
import org.glassfish.jersey.internal.spi.AutoDiscoverable;
import org.glassfish.jersey.internal.util.PropertiesHelper;
import javax.ws.rs.RuntimeType;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import java.util.stream.Stream;
public abstract class AbstractFeatureConfigurator extends AbstractServiceFinderConfigurator {
/**
* Create a new configurator.
*
* @param contract contract of the service providers bound by this binder.
* @param runtimeType runtime (client or server) where the service finder binder is used.
*/
protected AbstractFeatureConfigurator(Class contract, RuntimeType runtimeType) {
super(contract, runtimeType);
}
/**
* Specification specific implementation which allows find classes by specified classloader
*
* @param applicationProperties map of properties to check if search is allowed
* @param loader specific classloader (must not be NULL)
* @return list of found classes
*/
protected List> loadImplementations(Map applicationProperties, ClassLoader loader) {
if (PropertiesHelper.isMetaInfServicesEnabled(applicationProperties, getRuntimeType())) {
return Stream.of(ServiceFinder.find(getContract(), loader, true).toClassArray())
.collect(Collectors.toList());
}
return Collections.emptyList();
}
/**
* Allows feature registration as part of autoDiscoverables list
*
* @param features list of features to be registered
* @param bootstrapBag place where features are being registered
*/
protected void registerFeatures(Collection> features,
BootstrapBag bootstrapBag) {
final List autoDiscoverables = new ArrayList<>();
features.forEach(feature -> autoDiscoverables.add(registerClass(feature)));
bootstrapBag.getAutoDiscoverables().addAll(autoDiscoverables);
}
/**
* Register particular feature as an autoDiscoverable
*
* @param classToRegister class to be registered
* @param type of class which is being registered
* @return initialized autoDiscoverable
*/
private static AutoDiscoverable registerClass(Class classToRegister) {
return context -> {
if (!context.getConfiguration().isRegistered(classToRegister)) {
context.register(classToRegister, AutoDiscoverable.DEFAULT_PRIORITY);
}
};
}
}