io.stargate.graphql.web.RequestToHeadersMapper Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of graphqlapi Show documentation

There is a newer version: 2.0.31

/*
 * Copyright The Stargate Authors
 *
 * 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.stargate.graphql.web;

import java.util.Collections;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;

public class RequestToHeadersMapper {
  public static Map getAllHeaders(HttpServletRequest request) {
    if (request == null) {
      return Collections.emptyMap();
    }
    Map allHeaders = new HashMap<>();
    Enumeration headerNames = request.getHeaderNames();
    while (headerNames.hasMoreElements()) {
      String headerName = headerNames.nextElement();
      allHeaders.put(headerName, request.getHeader(headerName));
    }
    return allHeaders;
  }
}