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TransactionalResponseFilter.java
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TransactionalResponseFilter.java
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/*
* Copyright 2022 Red Hat, Inc. and/or its affiliates
* and other 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 org.keycloak.quarkus.runtime.integration.jaxrs;
import java.io.IOException;
import java.util.stream.Stream;
import javax.annotation.Priority;
import javax.ws.rs.container.ContainerRequestContext;
import javax.ws.rs.container.ContainerResponseContext;
import javax.ws.rs.container.ContainerResponseFilter;
import javax.ws.rs.container.PreMatching;
import javax.ws.rs.core.StreamingOutput;
import javax.ws.rs.ext.Provider;
import org.keycloak.common.util.Resteasy;
import org.keycloak.models.KeycloakSession;
import org.keycloak.quarkus.runtime.transaction.TransactionalSessionHandler;
@Provider
@PreMatching
@Priority(1)
public class TransactionalResponseFilter implements ContainerResponseFilter, TransactionalSessionHandler {
@Override
public void filter(ContainerRequestContext requestContext, ContainerResponseContext responseContext)
throws IOException {
Object entity = responseContext.getEntity();
if (shouldDelaySessionClose(entity)) {
return;
}
close(Resteasy.getContextData(KeycloakSession.class));
}
private static boolean shouldDelaySessionClose(Object entity) {
// do not close the session if the response entity is a stream
// that is because we need the session open until the stream is transformed as it might require access to the database
return entity instanceof Stream || entity instanceof StreamingOutput;
}
}