/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.hadoop.gateway.deploy;
import org.apache.hadoop.gateway.descriptor.FilterParamDescriptor;
import org.apache.hadoop.gateway.descriptor.ResourceDescriptor;
import org.apache.hadoop.gateway.topology.Provider;
import org.apache.hadoop.gateway.topology.Service;
import java.net.URISyntaxException;
import java.util.Collection;
import java.util.List;
public abstract class ServiceDeploymentContributorBase extends DeploymentContributorBase implements ServiceDeploymentContributor {
public void initializeContribution( DeploymentContext context ) {
// Noop.
}
public void finalizeContribution( DeploymentContext context ) {
// Noop.
}
protected boolean topologyContainsProviderType(DeploymentContext context, String role) {
Provider provider = getProviderByRole(context, role);
return (provider != null);
}
protected Provider getProviderByRole(DeploymentContext context, String role) {
Provider p = null;
Collection<Provider> providers = context.getTopology().getProviders();
for (Provider provider : providers) {
if (role.equals(provider.getRole())) {
p = provider;
break;
}
}
return p;
}
protected void addWebAppSecFilters( DeploymentContext context, Service service, ResourceDescriptor resource ) {
if (topologyContainsProviderType(context, "webappsec")) {
context.contributeFilter( service, resource, "webappsec", null, null );
}
}
protected void addAuthenticationFilter( DeploymentContext context, Service service, ResourceDescriptor resource ) {
if (topologyContainsProviderType(context, "authentication")) {
context.contributeFilter( service, resource, "authentication", null, null );
}
if (topologyContainsProviderType(context, "federation")) {
context.contributeFilter( service, resource, "federation", null, null );
}
}
protected void addIdentityAssertionFilter(DeploymentContext context, Service service, ResourceDescriptor resource) {
context.contributeFilter( service, resource, "identity-assertion", null, null );
}
protected void addAuthorizationFilter(DeploymentContext context, Service service, ResourceDescriptor resource) {
if (topologyContainsProviderType(context, "authorization")) {
context.contributeFilter( service, resource, "authorization", null, null );
}
}
protected void addRewriteFilter(
DeploymentContext context,
Service service,
ResourceDescriptor resource,
List<FilterParamDescriptor> params ) throws URISyntaxException {
context.contributeFilter( service, resource, "rewrite", null, params );
}
protected void addDispatchFilter(DeploymentContext context, Service service, ResourceDescriptor resource, String role, String name ) {
if (name == null) {
name = "http-client";
}
context.contributeFilter( service, resource, role, name, null );
}
}