| /* |
| * Copyright 2016, Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| package io.grpc; |
| |
| import io.grpc.Metadata.Key; |
| |
| import java.nio.charset.Charset; |
| |
| /** |
| * Internal {@link Metadata} accessor. This is intended for use by io.grpc.internal, and the |
| * specifically supported transport packages. If you *really* think you need to use this, contact |
| * the gRPC team first. |
| */ |
| @Internal |
| public final class InternalMetadata { |
| |
| /** |
| * A specialized plain ASCII marshaller. Both input and output are assumed to be valid header |
| * ASCII. |
| * |
| * <p>Extended here to break the dependency. |
| */ |
| @Internal |
| public interface TrustedAsciiMarshaller<T> extends Metadata.TrustedAsciiMarshaller<T> {} |
| |
| /** |
| * Copy of StandardCharsets, which is only available on Java 1.7 and above. |
| */ |
| @Internal |
| public static final Charset US_ASCII = Charset.forName("US-ASCII"); |
| |
| @Internal |
| public static <T> Key<T> keyOf(String name, TrustedAsciiMarshaller<T> marshaller) { |
| return Metadata.Key.of(name, marshaller); |
| } |
| |
| @Internal |
| public static Metadata newMetadata(byte[]... binaryValues) { |
| return new Metadata(binaryValues); |
| } |
| |
| @Internal |
| public static Metadata newMetadata(int usedNames, byte[]... binaryValues) { |
| return new Metadata(usedNames, binaryValues); |
| } |
| |
| @Internal |
| public static byte[][] serialize(Metadata md) { |
| return md.serialize(); |
| } |
| } |