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SetupMetadataMimeType.java
File metadata and controls
105 lines (91 loc) · 3.15 KB
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/*
* Copyright (C) 2020 Toshiaki Maki <[email protected]>
*
* 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 am.ik.rsocket;
import java.nio.charset.StandardCharsets;
import java.util.Objects;
import am.ik.rsocket.security.AuthenticationSetupMetadata;
import am.ik.rsocket.security.BasicAuthentication;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.PooledByteBufAllocator;
import io.netty.buffer.Unpooled;
import io.rsocket.metadata.WellKnownMimeType;
public enum SetupMetadataMimeType {
TEXT_PLAIN(MimeType.wellKnown(WellKnownMimeType.TEXT_PLAIN)),
APPLICATION_JSON(MimeType.wellKnown(WellKnownMimeType.APPLICATION_JSON)),
MESSAGE_RSOCKET_AUTHENTICATION(MimeType.wellKnown(WellKnownMimeType.MESSAGE_RSOCKET_AUTHENTICATION)) {
@Override
public ByteBuf encode(String metadata) {
return AuthenticationSetupMetadata.valueOf(metadata).toMetadata(new PooledByteBufAllocator(true));
}
},
AUTHENTICATION_BASIC(MimeType.custom("message/x.rsocket.authentication.basic.v0")) {
@Override
public ByteBuf encode(String metadata) {
return BasicAuthentication.valueOf(metadata).toMetadata(new PooledByteBufAllocator(true));
}
},
APP_INFO(MimeType.custom("message/x.rsocket.application+json"));
private final MimeType mimeType;
SetupMetadataMimeType(MimeType mimeType) {
this.mimeType = mimeType;
}
public String getValue() {
if (this.mimeType.isWellKnown()) {
return this.mimeType.wellKnownMimeType.getString();
}
else {
return this.mimeType.custom;
}
}
public ByteBuf encode(String metadata) {
return Unpooled.wrappedBuffer(metadata.getBytes(StandardCharsets.UTF_8));
}
public static SetupMetadataMimeType of(String value) {
for (SetupMetadataMimeType type : values()) {
if (Objects.equals(type.name(), value)) {
return type;
}
if (type.mimeType.isWellKnown()) {
if (Objects.equals(type.mimeType.wellKnownMimeType.getString(), value)) {
return type;
}
}
else {
if (Objects.equals(type.mimeType.custom, value)) {
return type;
}
}
}
throw new IllegalArgumentException("'" + value + "' is unsupported as a mime type of setup metadata.");
}
private static class MimeType {
private final WellKnownMimeType wellKnownMimeType;
private final String custom;
static MimeType wellKnown(WellKnownMimeType wellKnownMimeType) {
return new MimeType(wellKnownMimeType, null);
}
static MimeType custom(String custom) {
return new MimeType(null, custom);
}
private MimeType(WellKnownMimeType wellKnownMimeType, String custom) {
this.wellKnownMimeType = wellKnownMimeType;
this.custom = custom;
}
boolean isWellKnown() {
return this.wellKnownMimeType != null;
}
}
}