#19827

/*
 * Copyright 2021 The gRPC 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.grpc.xds;

import com.google.protobuf.Message;

/**
 * Router filter implementation. Currently this filter does not parse any field in the config.
 */
final class RouterFilter implements Filter {
  private static final RouterFilter INSTANCE = new RouterFilter();

  static final String TYPE_URL =
      "type.googleapis.com/envoy.extensions.filters.http.router.v3.Router";

  static final FilterConfig ROUTER_CONFIG = new FilterConfig() {
    @Override
    public String typeUrl() {
      return TYPE_URL;
    }

    @Override
    public String toString() {
      return "ROUTER_CONFIG";
    }
  };

  static final class Provider implements Filter.Provider {
    @Override
    public String[] typeUrls() {
      return new String[]{TYPE_URL};
    }

    @Override
    public boolean isClientFilter() {
      return true;
    }

    @Override
    public boolean isServerFilter() {
      return true;
    }

    @Override
    public RouterFilter newInstance() {
      return INSTANCE;
    }

    @Override
    public ConfigOrError<? extends FilterConfig> parseFilterConfig(Message rawProtoMessage) {
      return ConfigOrError.fromConfig(ROUTER_CONFIG);
    }

    @Override
    public ConfigOrError<? extends FilterConfig> parseFilterConfigOverride(
        Message rawProtoMessage) {
      return ConfigOrError.fromError("Router Filter should not have override config");
    }
  }

  private RouterFilter() {}
}

1	/*
2	* Copyright 2021 The gRPC Authors
3	*
4	* Licensed under the Apache License, Version 2.0 (the "License");
5	* you may not use this file except in compliance with the License.
6	* You may obtain a copy of the License at
7	*
8	* http://www.apache.org/licenses/LICENSE-2.0
9	*
10	* Unless required by applicable law or agreed to in writing, software
11	* distributed under the License is distributed on an "AS IS" BASIS,
12	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13	* See the License for the specific language governing permissions and
14	* limitations under the License.
15	*/
16
17	package io.grpc.xds;
18
19	import com.google.protobuf.Message;
20
21	/**
22	* Router filter implementation. Currently this filter does not parse any field in the config.
23	*/
24	final class RouterFilter implements Filter {
25	private static final RouterFilter INSTANCE = new RouterFilter();	1✔
26
27	static final String TYPE_URL =
28	"type.googleapis.com/envoy.extensions.filters.http.router.v3.Router";
29
30	static final FilterConfig ROUTER_CONFIG = new FilterConfig() {	1✔
31	@Override
32	public String typeUrl() {
33	return TYPE_URL;	1✔
34	}
35
36	@Override
37	public String toString() {
38	return "ROUTER_CONFIG";	1✔
39	}
40	};
41
42	static final class Provider implements Filter.Provider {	1✔
43	@Override
44	public String[] typeUrls() {
45	return new String[]{TYPE_URL};	1✔
46	}
47
48	@Override
49	public boolean isClientFilter() {
50	return true;	1✔
51	}
52
53	@Override
54	public boolean isServerFilter() {
55	return true;	1✔
56	}
57
58	@Override
59	public RouterFilter newInstance() {
60	return INSTANCE;	1✔
61	}
62
63	@Override
64	public ConfigOrError<? extends FilterConfig> parseFilterConfig(Message rawProtoMessage) {
65	return ConfigOrError.fromConfig(ROUTER_CONFIG);	1✔
66	}
67
68	@Override
69	public ConfigOrError<? extends FilterConfig> parseFilterConfigOverride(
70	Message rawProtoMessage) {
71	return ConfigOrError.fromError("Router Filter should not have override config");	×
72	}
73	}
74
75	private RouterFilter() {}
76	}

grpc / grpc-java / #19827

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