org.glassfish.jersey.server.wadl.config.WadlGeneratorConfigLoader Maven / Gradle / Ivy
/*
* Copyright (c) 2010, 2018 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.server.wadl.config;
import java.security.AccessController;
import java.security.PrivilegedActionException;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import javax.ws.rs.ProcessingException;
import org.glassfish.jersey.internal.util.ReflectionHelper;
import org.glassfish.jersey.server.ServerProperties;
import org.glassfish.jersey.server.internal.LocalizationMessages;
/**
* Loads a {@link WadlGeneratorConfig} and provides access to the {@link org.glassfish.jersey.server.wadl.WadlGenerator}
* provided by the loaded {@link WadlGeneratorConfig}.
* If no {@link WadlGeneratorConfig} is provided, the default {@link org.glassfish.jersey.server.wadl.WadlGenerator}
* will be loaded.
*
* @author Martin Grotzke (martin.grotzke at freiheit.com)
*/
public class WadlGeneratorConfigLoader {
/**
* Load the {@link WadlGeneratorConfig} from the provided {@link org.glassfish.jersey.server.ResourceConfig} using the
* property {@link org.glassfish.jersey.server.ServerProperties#WADL_GENERATOR_CONFIG}.
*
*
* The type of this property must be a subclass or an instance of a subclass of
* {@link WadlGeneratorConfig}.
* If it's not set, the default {@link org.glassfish.jersey.server.wadl.internal.generators.WadlGeneratorJAXBGrammarGenerator}
* will be used.
*
*
* @param properties configuration properties of deployed Jersey application.
* @return a configure {@link WadlGeneratorConfig}.
*/
public static WadlGeneratorConfig loadWadlGeneratorsFromConfig(final Map properties) {
final Object wadlGeneratorConfigProperty = properties.get(
ServerProperties.WADL_GENERATOR_CONFIG);
if (wadlGeneratorConfigProperty == null) {
return new WadlGeneratorConfig() {
@Override
public List configure() {
return Collections.emptyList();
}
};
} else {
try {
if (wadlGeneratorConfigProperty instanceof WadlGeneratorConfig) {
return ((WadlGeneratorConfig) wadlGeneratorConfigProperty);
}
final Class configClazz;
if (wadlGeneratorConfigProperty instanceof Class) {
configClazz = ((Class) wadlGeneratorConfigProperty)
.asSubclass(WadlGeneratorConfig.class);
} else if (wadlGeneratorConfigProperty instanceof String) {
configClazz = AccessController.doPrivileged(ReflectionHelper
.classForNameWithExceptionPEA((String) wadlGeneratorConfigProperty))
.asSubclass(WadlGeneratorConfig.class);
} else {
throw new ProcessingException(LocalizationMessages.ERROR_WADL_GENERATOR_CONFIG_LOADER_PROPERTY(
ServerProperties.WADL_GENERATOR_CONFIG,
wadlGeneratorConfigProperty.getClass().getName()));
}
return configClazz.newInstance();
} catch (final PrivilegedActionException pae) {
throw new ProcessingException(LocalizationMessages.ERROR_WADL_GENERATOR_CONFIG_LOADER(
ServerProperties.WADL_GENERATOR_CONFIG), pae.getCause());
} catch (final Exception e) {
throw new ProcessingException(LocalizationMessages.ERROR_WADL_GENERATOR_CONFIG_LOADER(
ServerProperties.WADL_GENERATOR_CONFIG), e);
}
}
}
}