#20337

Committed 26 Jun 2026 11:37AM UTC coverage: 89.06% (+0.2%) from 88.876%

Build # #20337

Build Type

push

github

Committed by

web-flow

Commit Message

Ext_proc filter and client interceptor (#12792)

Implements ext_proc filter from [grfc A93](https://github.com/grpc/proposal/pull/484)  (internal [design doc](http://go/ext-proc-design-java)).

Coverage Stats

37585 of 42202 relevant lines covered (89.06%)

0.89 hits per line

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83.33

/../xds/src/main/java/io/grpc/xds/internal/grpcservice/HeaderValue.java

/*
 * Copyright 2025 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.internal.grpcservice;

import com.google.auto.value.AutoValue;
import com.google.protobuf.ByteString;
import java.util.Optional;

/**
 * Represents a header to be mutated or added as part of xDS configuration.
 * Avoids direct dependency on Envoy's proto objects while providing an immutable representation.
 */
@AutoValue
public abstract class HeaderValue {

  public static HeaderValue create(String key, String value) {
    HeaderValueValidationUtils.validateHeaderValue(key, value);
    return new AutoValue_HeaderValue(key, Optional.of(value), Optional.empty(), true);
  }

  public static HeaderValue create(String key, ByteString rawValue) {
    HeaderValueValidationUtils.validateHeaderValue(key, rawValue);
    return new AutoValue_HeaderValue(key, Optional.empty(), Optional.of(rawValue), true);
  }

  public static HeaderValue createInvalid(String key) {
    return new AutoValue_HeaderValue(key, Optional.empty(), Optional.empty(), false);
  }

  public abstract String key();

  public abstract Optional<String> value();

  public abstract Optional<ByteString> rawValue();

  public abstract boolean isValid();
}

1	/*
2	* Copyright 2025 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.internal.grpcservice;
18
19	import com.google.auto.value.AutoValue;
20	import com.google.protobuf.ByteString;
21	import java.util.Optional;
22
23	/**
24	* Represents a header to be mutated or added as part of xDS configuration.
25	* Avoids direct dependency on Envoy's proto objects while providing an immutable representation.
26	*/
27	@AutoValue
28	public abstract class HeaderValue {	1✔
29
30	public static HeaderValue create(String key, String value) {
31	HeaderValueValidationUtils.validateHeaderValue(key, value);	1✔
32	return new AutoValue_HeaderValue(key, Optional.of(value), Optional.empty(), true);	1✔
33	}
34
35	public static HeaderValue create(String key, ByteString rawValue) {
36	HeaderValueValidationUtils.validateHeaderValue(key, rawValue);	1✔
37	return new AutoValue_HeaderValue(key, Optional.empty(), Optional.of(rawValue), true);	1✔
38	}
39
40	public static HeaderValue createInvalid(String key) {
41	return new AutoValue_HeaderValue(key, Optional.empty(), Optional.empty(), false);	×
42	}
43
44	public abstract String key();
45
46	public abstract Optional<String> value();
47
48	public abstract Optional<ByteString> rawValue();
49
50	public abstract boolean isValid();
51	}

grpc / grpc-java / #20337

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