/*
* JBoss, Home of Professional Open Source.
* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.undertow.servlet.spec;
import java.util.ArrayList;
import java.util.Collection;
import java.util.EnumSet;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.servlet.DispatcherType;
import javax.servlet.FilterRegistration;
import io.undertow.servlet.api.Deployment;
import io.undertow.servlet.api.DeploymentInfo;
import io.undertow.servlet.api.FilterInfo;
import io.undertow.servlet.api.FilterMappingInfo;
/**
* @author Stuart Douglas
*/
public class FilterRegistrationImpl implements FilterRegistration, FilterRegistration.Dynamic {
private final FilterInfo filterInfo;
private final Deployment deployment;
public FilterRegistrationImpl(final FilterInfo filterInfo, final Deployment deployment) {
this.filterInfo = filterInfo;
this.deployment = deployment;
}
@Override
public void addMappingForServletNames(final EnumSet<DispatcherType> dispatcherTypes, final boolean isMatchAfter, final String... servletNames) {
DeploymentInfo deploymentInfo = deployment.getDeploymentInfo();
for(final String servlet : servletNames){
if(isMatchAfter) {
if(dispatcherTypes == null || dispatcherTypes.isEmpty()) {
deploymentInfo.addFilterServletNameMapping(filterInfo.getName(), servlet, DispatcherType.REQUEST);
} else {
for(final DispatcherType dispatcher : dispatcherTypes) {
deploymentInfo.addFilterServletNameMapping(filterInfo.getName(), servlet, dispatcher);
}
}
} else {
if(dispatcherTypes == null || dispatcherTypes.isEmpty()) {
deploymentInfo.insertFilterServletNameMapping(0, filterInfo.getName(), servlet, DispatcherType.REQUEST);
} else {
for(final DispatcherType dispatcher : dispatcherTypes) {
deploymentInfo.insertFilterServletNameMapping(0, filterInfo.getName(), servlet, dispatcher);
}
}
}
}
deployment.getServletPaths().invalidate();
}
@Override
public Collection<String> getServletNameMappings() {
DeploymentInfo deploymentInfo = deployment.getDeploymentInfo();
final List<String> ret = new ArrayList<>();
for(final FilterMappingInfo mapping : deploymentInfo.getFilterMappings()) {
if(mapping.getMappingType() == FilterMappingInfo.MappingType.SERVLET) {
if(mapping.getFilterName().equals(filterInfo.getName())) {
ret.add(mapping.getMapping());
}
}
}
return ret;
}
@Override
public void addMappingForUrlPatterns(final EnumSet<DispatcherType> dispatcherTypes, final boolean isMatchAfter, final String... urlPatterns) {
DeploymentInfo deploymentInfo = deployment.getDeploymentInfo();
for(final String url : urlPatterns){
if(isMatchAfter) {
if(dispatcherTypes == null || dispatcherTypes.isEmpty()) {
deploymentInfo.addFilterUrlMapping(filterInfo.getName(), url, DispatcherType.REQUEST);
} else {
for(final DispatcherType dispatcher : dispatcherTypes) {
deploymentInfo.addFilterUrlMapping(filterInfo.getName(), url, dispatcher);
}
}
} else {
if(dispatcherTypes == null || dispatcherTypes.isEmpty()) {
deploymentInfo.insertFilterUrlMapping(0, filterInfo.getName(), url, DispatcherType.REQUEST);
} else {
for(final DispatcherType dispatcher : dispatcherTypes) {
deploymentInfo.insertFilterUrlMapping(0, filterInfo.getName(), url, dispatcher);
}
}
}
}
deployment.getServletPaths().invalidate();
}
@Override
public Collection<String> getUrlPatternMappings() {
DeploymentInfo deploymentInfo = deployment.getDeploymentInfo();
final List<String> ret = new ArrayList<>();
for(final FilterMappingInfo mapping : deploymentInfo.getFilterMappings()) {
if(mapping.getMappingType() == FilterMappingInfo.MappingType.URL) {
if(mapping.getFilterName().equals(filterInfo.getName())) {
ret.add(mapping.getMapping());
}
}
}
return ret;
}
@Override
public String getName() {
return filterInfo.getName();
}
@Override
public String getClassName() {
return filterInfo.getFilterClass().getName();
}
@Override
public boolean setInitParameter(final String name, final String value) {
if(filterInfo.getInitParams().containsKey(name)) {
return false;
}
filterInfo.addInitParam(name, value);
return true;
}
@Override
public String getInitParameter(final String name) {
return filterInfo.getInitParams().get(name);
}
@Override
public Set<String> setInitParameters(final Map<String, String> initParameters) {
final Set<String> ret = new HashSet<>();
for(Map.Entry<String, String> entry : initParameters.entrySet()) {
if(!setInitParameter(entry.getKey(), entry.getValue())) {
ret.add(entry.getKey());
}
}
return ret;
}
@Override
public Map<String, String> getInitParameters() {
return filterInfo.getInitParams();
}
@Override
public void setAsyncSupported(final boolean isAsyncSupported) {
filterInfo.setAsyncSupported(isAsyncSupported);
}
}