content: /*
   * Copyright (c) 2018, 2021, Oracle and/or its affiliates.
   *
   * This program is free software; you can redistribute it and/or modify it under
   * the terms of the GNU General Public License, version 2.0, as published by the
   * Free Software Foundation.
   *
   * This program is also distributed with certain software (including but not
   * limited to OpenSSL) that is licensed under separate terms, as designated in a
   * particular file or component or in included license documentation. The
   * authors of MySQL hereby grant you an additional permission to link the
   * program and your derivative works with the separately licensed software that
   * they have included with MySQL.
   *
   * Without limiting anything contained in the foregoing, this file, which is
   * part of MySQL Connector/J, is also subject to the Universal FOSS Exception,
   * version 1.0, a copy of which can be found at
   * http://oss.oracle.com/licenses/universal-foss-exception.
   *
   * This program is distributed in the hope that it will be useful, but WITHOUT
   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
   * FOR A PARTICULAR PURPOSE. See the GNU General Public License, version 2.0,
   * for more details.
   *
   * You should have received a copy of the GNU General Public License along with
   * this program; if not, write to the Free Software Foundation, Inc.,
   * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
   */
  
  package com.mysql.cj.protocol.x;
  
  import java.util.Collections;
  import java.util.List;
  import java.util.Map;
  import java.util.stream.Collectors;
  
  import com.mysql.cj.ServerVersion;
  import com.mysql.cj.protocol.ServerCapabilities;
  import com.mysql.cj.x.protobuf.MysqlxDatatypes.Any;
  import com.mysql.cj.xdevapi.ExprUtil;
  
  public class XServerCapabilities implements ServerCapabilities {
  
      private Map<String, Any> capabilities;
  
      static String KEY_COMPRESSION = "compression";
      static String KEY_SESSION_CONNECT_ATTRS = "session_connect_attrs";
      static String KEY_TLS = "tls";
      static String KEY_NODE_TYPE = "node_type";
      static String KEY_CLIENT_PWD_EXPIRE_OK = "client.pwd_expire_ok";
      static String KEY_AUTHENTICATION_MECHANISMS = "authentication.mechanisms";
      static String KEY_DOC_FORMATS = "doc.formats";
  
      static String SUBKEY_COMPRESSION_ALGORITHM = "algorithm";
      static String SUBKEY_COMPRESSION_SERVER_COMBINE_MIXED_MESSAGES = "server_combine_mixed_messages";
      static String SUBKEY_COMPRESSION_SERVER_MAX_COMBINE_MESSAGES = "server_max_combine_messages";
  
      /** Server-assigned client-id. */
      private long clientId = -1;
  
      public XServerCapabilities(Map<String, Any> capabilities) {
          this.capabilities = capabilities;
      }
  
      public void setCapability(String name, Object value) {
          if (!KEY_SESSION_CONNECT_ATTRS.equals(name) && !KEY_COMPRESSION.equals(name)) {
              this.capabilities.put(name, ExprUtil.argObjectToScalarAny(value));
          }
      }
  
      public boolean hasCapability(String name) {
          return this.capabilities.containsKey(name);
      }
  
      public String getNodeType() {
          return this.capabilities.get(KEY_NODE_TYPE).getScalar().getVString().getValue().toStringUtf8();
      }
  
      public boolean getTls() {
          return hasCapability(KEY_TLS) ? this.capabilities.get(KEY_TLS).getScalar().getVBool() : false;
      }
  
      public boolean getClientPwdExpireOk() {
          return this.capabilities.get(KEY_CLIENT_PWD_EXPIRE_OK).getScalar().getVBool();
      }
  
      public List<String> getAuthenticationMechanisms() {
          return this.capabilities.get(KEY_AUTHENTICATION_MECHANISMS).getArray().getValueList().stream()
                  .map(v -> v.getScalar().getVString().getValue().toStringUtf8()).collect(Collectors.toList());
      }
  
      public String getDocFormats() {
          return this.capabilities.get(KEY_DOC_FORMATS).getScalar().getVString().getValue().toStringUtf8();
      }
  
      public Map<String, List<String>> getCompression() {
          if (this.hasCapability(KEY_COMPRESSION)) {
              return this.capabilities.get(KEY_COMPRESSION).getObj().getFldList().stream()
                      .collect(Collectors.toMap(f -> f.getKey().toLowerCase(), f -> f.getValue().getArray().getValueList().stream()
                              .map(v -> v.getScalar().getVString().getValue().toStringUtf8().toLowerCase()).collect(Collectors.toList())));
          }
          return Collections.emptyMap();
      }
  
      @Override
      public int getCapabilityFlags() {
          // TODO Auto-generated method stub
          return 0;
      }
  
      @Override
      public void setCapabilityFlags(int capabilityFlags) {
          // TODO Auto-generated method stub
  
      }
  
      @Override
      public ServerVersion getServerVersion() {
          // TODO Auto-generated method stub
          return null;
      }
  
      @Override
      public boolean serverSupportsFracSecs() {
          return true;
      }
  
      @Override
      public int getServerDefaultCollationIndex() {
          // TODO Auto-generated method stub
          return 0;
      }
  
      @Override
      public long getThreadId() {
          return this.clientId;
      }
  
      @Override
      public void setThreadId(long threadId) {
          this.clientId = threadId;
      }
  }
  