dubbo BootstrapInfoImpl 源码

dubbo BootstrapInfoImpl 代码

文件路径：/dubbo-xds/src/main/java/org/apache/dubbo/registry/xds/util/bootstrap/BootstrapInfoImpl.java

/*
 * 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.dubbo.registry.xds.util.bootstrap;

import io.envoyproxy.envoy.config.core.v3.Node;

import javax.annotation.Nullable;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;

public final class BootstrapInfoImpl extends Bootstrapper.BootstrapInfo {

    private final List<Bootstrapper.ServerInfo> servers;

    private final String serverListenerResourceNameTemplate;

    private final Map<String, Bootstrapper.CertificateProviderInfo> certProviders;

    private final Node node;

    BootstrapInfoImpl(List<Bootstrapper.ServerInfo> servers, String serverListenerResourceNameTemplate, Map<String, Bootstrapper.CertificateProviderInfo> certProviders, Node node) {
        this.servers = servers;
        this.serverListenerResourceNameTemplate = serverListenerResourceNameTemplate;
        this.certProviders = certProviders;
        this.node = node;
    }

    @Override
    public List<Bootstrapper.ServerInfo> servers() {
        return servers;
    }

    public Map<String, Bootstrapper.CertificateProviderInfo> certProviders() {
        return certProviders;
    }

    @Override
    public Node node() {
        return node;
    }

    @Override
    public String serverListenerResourceNameTemplate() {
        return serverListenerResourceNameTemplate;
    }

    @Override
    public String toString() {
        return "BootstrapInfo{"
            + "servers=" + servers + ", "
            + "serverListenerResourceNameTemplate=" + serverListenerResourceNameTemplate + ", "
            + "node=" + node + ", "
            + "}";
    }

    public static final class Builder extends Bootstrapper.BootstrapInfo.Builder {
        private List<Bootstrapper.ServerInfo> servers;
        private Node node;

        private Map<String, Bootstrapper.CertificateProviderInfo> certProviders;

        private String serverListenerResourceNameTemplate;
        Builder() {
        }
        @Override
        Bootstrapper.BootstrapInfo.Builder servers(List<Bootstrapper.ServerInfo> servers) {
            this.servers = new LinkedList<>(servers);
            return this;
        }

        @Override
        Bootstrapper.BootstrapInfo.Builder node(Node node) {
            if (node == null) {
                throw new NullPointerException("Null node");
            }
            this.node = node;
            return this;
        }

        @Override
        Bootstrapper.BootstrapInfo.Builder certProviders(@Nullable Map<String, Bootstrapper.CertificateProviderInfo> certProviders) {
            this.certProviders = certProviders;
            return this;
        }

        @Override
        Bootstrapper.BootstrapInfo.Builder serverListenerResourceNameTemplate(@Nullable String serverListenerResourceNameTemplate) {
            this.serverListenerResourceNameTemplate = serverListenerResourceNameTemplate;
            return this;
        }

        @Override
        Bootstrapper.BootstrapInfo build() {
            if (this.servers == null
                || this.node == null) {
                StringBuilder missing = new StringBuilder();
                if (this.servers == null) {
                    missing.append(" servers");
                }
                if (this.node == null) {
                    missing.append(" node");
                }
                throw new IllegalStateException("Missing required properties:" + missing);
            }
            return new BootstrapInfoImpl(
                this.servers,
                this.serverListenerResourceNameTemplate,
                this.certProviders,
                this.node);
        }
    }

}

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