content: /*
   * 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.camel.component.google.pubsub;
  
  import org.apache.camel.support.DefaultHeaderFilterStrategy;
  
  public class GooglePubsubHeaderFilterStrategy extends DefaultHeaderFilterStrategy {
  
      public GooglePubsubHeaderFilterStrategy() {
          this(false);
      }
  
      public GooglePubsubHeaderFilterStrategy(boolean includeAllGoogleProperties) {
          setOutFilterStartsWith(DefaultHeaderFilterStrategy.CAMEL_FILTER_STARTS_WITH);
          setInFilterStartsWith(DefaultHeaderFilterStrategy.CAMEL_FILTER_STARTS_WITH);
          getOutFilter().add("authorization");
          if (!includeAllGoogleProperties) {
              ignoreGoogProperties();
          }
      }
  
      protected void ignoreGoogProperties() {
          String[] filterStartWith = new String[DefaultHeaderFilterStrategy.CAMEL_FILTER_STARTS_WITH.length + 2];
          System.arraycopy(DefaultHeaderFilterStrategy.CAMEL_FILTER_STARTS_WITH, 0,
                  filterStartWith, 0, DefaultHeaderFilterStrategy.CAMEL_FILTER_STARTS_WITH.length);
          filterStartWith[DefaultHeaderFilterStrategy.CAMEL_FILTER_STARTS_WITH.length] = "x-goog";
          filterStartWith[DefaultHeaderFilterStrategy.CAMEL_FILTER_STARTS_WITH.length + 1] = "X-GOOG";
          setOutFilterStartsWith(filterStartWith);
          setInFilterStartsWith(filterStartWith);
          getOutFilter().add("google-cloud-resource-prefix");
          getOutFilter().add("grpc-timeout");
      }
  
  }
  