001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.client;
019
020import java.io.IOException;
021import java.net.URI;
022import org.apache.commons.lang3.StringUtils;
023import org.apache.hadoop.conf.Configuration;
024import org.apache.hadoop.hbase.security.User;
025import org.apache.yetus.audience.InterfaceAudience;
026import org.slf4j.Logger;
027import org.slf4j.LoggerFactory;
028
029/**
030 * Connection registry creator implementation for creating {@link RpcConnectionRegistry}.
031 */
032@InterfaceAudience.Private
033public class RpcConnectionRegistryURIFactory implements ConnectionRegistryURIFactory {
034
035  private static final Logger LOG = LoggerFactory.getLogger(RpcConnectionRegistryURIFactory.class);
036
037  @Override
038  public ConnectionRegistry create(URI uri, Configuration conf, User user) throws IOException {
039    assert getScheme().equals(uri.getScheme());
040    LOG.debug("connect to hbase cluster with rpc bootstrap servers='{}'", uri.getAuthority());
041    Configuration c = new Configuration(conf);
042    c.set(RpcConnectionRegistry.BOOTSTRAP_NODES, uri.getAuthority());
043    return new RpcConnectionRegistry(c, user);
044  }
045
046  @Override
047  public String getScheme() {
048    return "hbase+rpc";
049  }
050
051  @Override
052  public void validate(URI uri) throws IOException {
053    if (StringUtils.isBlank(uri.getAuthority())) {
054      throw new IOException("no bootstrap nodes specified, uri: " + uri);
055    }
056    // TODO: add more check about the bootstrap nodes
057  }
058}