org.graylog2.shared.rest.NodeIdResponseFilter Maven / Gradle / Ivy
/**
* This file is part of Graylog.
*
* Graylog is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Graylog is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Graylog. If not, see .
*/
package org.graylog2.shared.rest;
import org.graylog2.plugin.system.NodeId;
import javax.inject.Inject;
import javax.ws.rs.container.ContainerRequestContext;
import javax.ws.rs.container.ContainerResponseContext;
import javax.ws.rs.container.ContainerResponseFilter;
import java.io.IOException;
import static com.google.common.base.Preconditions.checkNotNull;
public class NodeIdResponseFilter implements ContainerResponseFilter {
private final NodeId nodeId;
@Inject
public NodeIdResponseFilter(NodeId nodeId) {
this.nodeId = checkNotNull(nodeId);
}
@Override
public void filter(ContainerRequestContext requestContext, ContainerResponseContext responseContext) throws IOException {
responseContext.getHeaders().add("X-Graylog-Node-ID", nodeId.toString());
}
}