org.apache.hadoop.hdfs.web.resources.NamenodeAddressParam Maven / Gradle / Ivy
/**
* 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.hadoop.hdfs.web.resources;
import org.apache.hadoop.hdfs.server.namenode.NameNode;
/** Namenode RPC address parameter. */
public class NamenodeAddressParam extends StringParam {
/** Parameter name. */
public static final String NAME = "namenoderpcaddress";
/** Default parameter value. */
public static final String DEFAULT = "";
private static final Domain DOMAIN = new Domain(NAME, null);
/**
* Constructor.
* @param str a string representation of the parameter value.
*/
public NamenodeAddressParam(final String str) {
super(DOMAIN, str == null || str.equals(DEFAULT)? null: DOMAIN.parse(str));
}
/**
* Construct an object using the RPC address of the given namenode.
*/
public NamenodeAddressParam(final NameNode namenode) {
super(DOMAIN, namenode.getTokenServiceName());
}
@Override
public String getName() {
return NAME;
}
}