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/*******************************************************************************
* Copyright (c) 2014 Raymond Augé and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Raymond Augé <raymond.auge@liferay.com> - Bug 436698
******************************************************************************/
package org.eclipse.equinox.http.servlet.internal.customizer;
import java.util.concurrent.atomic.AtomicReference;
import javax.servlet.Filter;
import org.eclipse.equinox.http.servlet.internal.HttpServiceRuntimeImpl;
import org.eclipse.equinox.http.servlet.internal.context.ContextController;
import org.eclipse.equinox.http.servlet.internal.error.HttpWhiteboardFailureException;
import org.eclipse.equinox.http.servlet.internal.registration.FilterRegistration;
import org.eclipse.equinox.http.servlet.internal.util.*;
import org.osgi.framework.*;
import org.osgi.service.http.runtime.dto.DTOConstants;
import org.osgi.service.http.runtime.dto.FailedFilterDTO;
import org.osgi.service.http.whiteboard.HttpWhiteboardConstants;
/**
* @author Raymond Augé
*/
public class ContextFilterTrackerCustomizer
extends RegistrationServiceTrackerCustomizer<Filter, AtomicReference<FilterRegistration>> {
public ContextFilterTrackerCustomizer(
BundleContext bundleContext, HttpServiceRuntimeImpl httpServiceRuntime,
ContextController contextController) {
super(bundleContext, httpServiceRuntime);
this.contextController = contextController;
}
@Override
public AtomicReference<FilterRegistration> addingService(
ServiceReference<Filter> serviceReference) {
AtomicReference<FilterRegistration> result = new AtomicReference<FilterRegistration>();
if (!httpServiceRuntime.matches(serviceReference)) {
return result;
}
if (!contextController.matches(serviceReference)) {
return result;
}
try {
result.set(contextController.addFilterRegistration(serviceReference));
}
catch (HttpWhiteboardFailureException hwfe) {
httpServiceRuntime.log(hwfe.getMessage(), hwfe);
recordFailedFilterDTO(serviceReference, hwfe.getFailureReason());
}
catch (Exception e) {
httpServiceRuntime.log(e.getMessage(), e);
recordFailedFilterDTO(serviceReference, DTOConstants.FAILURE_REASON_EXCEPTION_ON_INIT);
}
return result;
}
@Override
public void modifiedService(
ServiceReference<Filter> serviceReference,
AtomicReference<FilterRegistration> filterReference) {
removedService(serviceReference, filterReference);
AtomicReference<FilterRegistration> added = addingService(serviceReference);
filterReference.set(added.get());
}
@Override
public void removedService(
ServiceReference<Filter> serviceReference,
AtomicReference<FilterRegistration> filterReference) {
FilterRegistration registration = filterReference.get();
if (registration != null) {
// Destroy now ungets the object we are using
registration.destroy();
}
contextController.getHttpServiceRuntime().removeFailedFilterDTO(serviceReference);
}
private void recordFailedFilterDTO(
ServiceReference<Filter> serviceReference, int failureReason) {
FailedFilterDTO failedFilterDTO = new FailedFilterDTO();
failedFilterDTO.asyncSupported = BooleanPlus.from(
serviceReference.getProperty(HttpWhiteboardConstants.HTTP_WHITEBOARD_FILTER_ASYNC_SUPPORTED), false);
failedFilterDTO.dispatcher = StringPlus.from(
serviceReference.getProperty(HttpWhiteboardConstants.HTTP_WHITEBOARD_FILTER_DISPATCHER)).toArray(new String[0]);
failedFilterDTO.failureReason = failureReason;
failedFilterDTO.initParams = ServiceProperties.parseInitParams(
serviceReference, HttpWhiteboardConstants.HTTP_WHITEBOARD_FILTER_INIT_PARAM_PREFIX);
failedFilterDTO.name = (String)serviceReference.getProperty(HttpWhiteboardConstants.HTTP_WHITEBOARD_FILTER_NAME);
failedFilterDTO.patterns = StringPlus.from(
serviceReference.getProperty(HttpWhiteboardConstants.HTTP_WHITEBOARD_FILTER_PATTERN)).toArray(new String[0]);
failedFilterDTO.regexs = StringPlus.from(
serviceReference.getProperty(HttpWhiteboardConstants.HTTP_WHITEBOARD_FILTER_REGEX)).toArray(new String[0]);
failedFilterDTO.serviceId = (Long)serviceReference.getProperty(Constants.SERVICE_ID);
failedFilterDTO.servletContextId = contextController.getServiceId();
failedFilterDTO.servletNames = StringPlus.from(
serviceReference.getProperty(HttpWhiteboardConstants.HTTP_WHITEBOARD_FILTER_SERVLET)).toArray(new String[0]);
contextController.getHttpServiceRuntime().recordFailedFilterDTO(serviceReference, failedFilterDTO);
}
private ContextController contextController;
}
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