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/*
* 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.consul;
import org.apache.dubbo.common.URL;
import static org.apache.dubbo.common.utils.StringUtils.isBlank;
/**
* The enumeration for the Consul's parameters on the {@link URL}
*
* @see URL#getParameters()
* @since 2.7.8
*/
public enum ConsulParameter {
ACL_TOKEN,
TAGS,
INSTANCE_ZONE,
DEFAULT_ZONE_METADATA_NAME("zone"),
INSTANCE_GROUP,
CONSISTENCY_MODE,
;
private final String name;
private final String defaultValue;
ConsulParameter() {
this(null);
}
ConsulParameter(String defaultValue) {
this(null, defaultValue);
}
ConsulParameter(String name, String defaultValue) {
this.name = isBlank(name) ? defaultName() : name;
this.defaultValue = defaultValue;
}
private String defaultName() {
return name().toLowerCase().replace('_', '-');
}
/**
* The parameter value from the specified registry {@link URL}
*
* @param registryURL the specified registry {@link URL}
* @return defaultValue
if not found
*/
public String getValue(URL registryURL) {
return registryURL.getParameter(name, defaultValue);
}
/**
* The parameter value from the specified registry {@link URL}
*
* @param registryURL the specified registry {@link URL}
* @param valueType the type of parameter value
* @param defaultValue the default value if parameter is absent
* @return defaultValue
if not found
*/
public T getValue(URL registryURL, Class valueType, T defaultValue) {
return registryURL.getParameter(name, valueType, defaultValue);
}
}