dubbo PrefixedConfiguration 源码
dubbo PrefixedConfiguration 代码
文件路径：/dubbo-common/src/main/java/org/apache/dubbo/common/config/PrefixedConfiguration.java
/*
* 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.common.config;
import org.apache.dubbo.common.utils.StringUtils;
public class PrefixedConfiguration implements Configuration {
private String prefix;
private Configuration origin;
public PrefixedConfiguration(Configuration origin, String prefix) {
this.origin = origin;
this.prefix = prefix;
}
@Override
public Object getInternalProperty(String key) {
if (StringUtils.isBlank(prefix)) {
return origin.getInternalProperty(key);
}
Object value = origin.getInternalProperty(prefix + "." + key);
if (!ConfigurationUtils.isEmptyValue(value)) {
return value;
}
return null;
}
}
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