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The official Couchbase JVM Core IO Library
/*
* Copyright (c) 2018 Couchbase, Inc.
*
* 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 com.couchbase.client.core.env;
import com.couchbase.client.core.util.ConnectionString;
import java.util.HashMap;
import java.util.Map;
import java.util.stream.Collectors;
import static java.util.Objects.requireNonNull;
/**
* This {@link PropertyLoader} takes a connection string and applies all properties
* that are supported and it knows about.
*
* @since 2.0.0
*/
public class ConnectionStringPropertyLoader extends AbstractMapPropertyLoader {
/**
* Holds the connection string provided by the application.
*/
private final ConnectionString connectionString;
/**
* Holds alias values from other connection string implementations (like libcouchbase or the SDK 3 Foundation RFC)
*/
private static final Map COMPAT_ALIAS = new HashMap<>();
static {
COMPAT_ALIAS.put("certpath", "security.trustCertificate");
COMPAT_ALIAS.put("enable_tls", "security.enableTls");
COMPAT_ALIAS.put("network", "io.networkResolution");
COMPAT_ALIAS.put("kv_connect_timeout", "timeout.connectTimeout");
COMPAT_ALIAS.put("kv_timeout", "timeout.kvTimeout");
COMPAT_ALIAS.put("kv_durable_timeout", "timeout.kvDurableTimeout");
COMPAT_ALIAS.put("view_timeout", "timeout.viewTimeout");
COMPAT_ALIAS.put("query_timeout", "timeout.queryTimeout");
COMPAT_ALIAS.put("analytics_timeout", "timeout.analyticsTimeout");
COMPAT_ALIAS.put("search_timeout", "timeout.searchTimeout");
COMPAT_ALIAS.put("management_timeout", "timeout.managementTimeout");
COMPAT_ALIAS.put("enable_mutation_tokens", "io.enableMutationTokens");
COMPAT_ALIAS.put("tcp_keepalive_time", "io.tcpKeepAliveTime");
COMPAT_ALIAS.put("enable_tcp_keepalives", "io.enableTcpKeepAlives");
COMPAT_ALIAS.put("config_poll_interval", "io.configPollInterval");
COMPAT_ALIAS.put("config_idle_redial_timeout", "io.configIdleRedialTimeout");
COMPAT_ALIAS.put("num_kv_connections", "io.numKvConnections");
COMPAT_ALIAS.put("max_http_connections", "io.maxHttpConnections");
COMPAT_ALIAS.put("idle_http_connection_timeout", "io.idleHttpConnectionTimeout");
}
public ConnectionStringPropertyLoader(final String connectionString) {
this(ConnectionString.create(connectionString));
}
public ConnectionStringPropertyLoader(final ConnectionString connectionString) {
this.connectionString = requireNonNull(connectionString);
}
@Override
protected Map propertyMap() {
final Map properties = connectionString
.params()
.entrySet()
.stream()
.collect(Collectors.toMap(
entry -> COMPAT_ALIAS.getOrDefault(entry.getKey(), entry.getKey()),
Map.Entry::getValue
));
if (connectionString.scheme() == ConnectionString.Scheme.COUCHBASES
|| connectionString.scheme() == ConnectionString.Scheme.COUCHBASE2) {
properties.put("security.enableTls", "true");
}
translateTlsVerify(properties);
return properties;
}
private static void translateTlsVerify(Map properties) {
String tlsVerify = properties.remove("tls_verify");
if (tlsVerify == null) {
return;
}
String javaName = "security.enableCertificateVerification";
switch (tlsVerify) {
case "none":
properties.put(javaName, "false");
break;
case "peer":
properties.put(javaName, "true");
break;
default:
throw new IllegalArgumentException(
"Unexpected value for connection string parameter 'tls_verify'; expected 'none' or 'peer', but got: '" + tlsVerify + "'");
}
}
}