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Jersey core server implementation
/*
* Copyright (c) 2012, 2019 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.internal.inject;
import java.util.function.Function;
import javax.ws.rs.BadRequestException;
import javax.ws.rs.container.ContainerRequestContext;
import javax.ws.rs.core.Request;
import javax.ws.rs.core.Response;
import javax.inject.Provider;
import javax.inject.Singleton;
import org.glassfish.jersey.server.ContainerRequest;
import org.glassfish.jersey.server.internal.LocalizationMessages;
import org.glassfish.jersey.server.model.Parameter;
/**
* Provides injection of {@link Request} entity value or {@link Request} instance
* itself.
*
* @author Marek Potociar
*/
@Singleton
class EntityParamValueParamProvider extends AbstractValueParamProvider {
/**
* Creates new instance initialized with parameters.
*
* @param mpep Injected multivaluedParameterExtractor provider.
*/
EntityParamValueParamProvider(Provider mpep) {
super(mpep, Parameter.Source.ENTITY);
}
@Override
protected Function createValueProvider(Parameter parameter) {
return new EntityValueSupplier(parameter);
}
private static class EntityValueSupplier implements Function {
private final Parameter parameter;
public EntityValueSupplier(Parameter parameter) {
this.parameter = parameter;
}
@Override
public Object apply(ContainerRequest containerRequest) {
final Class rawType = parameter.getRawType();
Object value;
if ((Request.class.isAssignableFrom(rawType) || ContainerRequestContext.class.isAssignableFrom(rawType))
&& rawType.isInstance(containerRequest)) {
value = containerRequest;
} else {
value = containerRequest.readEntity(rawType, parameter.getType(), parameter.getAnnotations());
if (rawType.isPrimitive() && value == null) {
throw new BadRequestException(Response.status(Response.Status.BAD_REQUEST)
.entity(LocalizationMessages.ERROR_PRIMITIVE_TYPE_NULL()).build());
}
}
return value;
}
}
}