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package org.glassfish.jersey.server.internal.inject;
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.Inject;
import javax.inject.Singleton;
import org.glassfish.jersey.server.ContainerRequest;
import org.glassfish.jersey.server.internal.LocalizationMessages;
import org.glassfish.jersey.server.model.Parameter;
import org.glassfish.hk2.api.Factory;
import org.glassfish.hk2.api.ServiceLocator;
/**
* Provides injection of {@link Request} entity value or {@link Request} instance
* itself.
*
* @author Marek Potociar (marek.potociar at oracle.com)
*/
@Singleton
class EntityParamValueFactoryProvider extends AbstractValueFactoryProvider {
/**
* Creates new instance initialized with parameters.
*
* @param mpep Injected multivaluedParameterExtractor provider.
* @param injector Injected HK2 injector.
*/
@Inject
EntityParamValueFactoryProvider(MultivaluedParameterExtractorProvider mpep, ServiceLocator injector) {
super(mpep, injector, Parameter.Source.ENTITY);
}
private static class EntityValueFactory extends AbstractContainerRequestValueFactory<Object> {
private final Parameter parameter;
public EntityValueFactory(Parameter parameter) {
this.parameter = parameter;
}
@Override
public Object provide() {
final ContainerRequest requestContext = getContainerRequest();
final Class<?> rawType = parameter.getRawType();
Object value;
if ((Request.class.isAssignableFrom(rawType) || ContainerRequestContext.class.isAssignableFrom(rawType))
&& rawType.isInstance(requestContext)) {
value = requestContext;
} else {
value = requestContext.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;
}
}
@Override
protected Factory<?> createValueFactory(Parameter parameter) {
return new EntityValueFactory(parameter);
}
}