geronimo-opentracing-common/src/main/java/org/apache/geronimo/microprofile/opentracing/common/config/PrefixedConfig.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.geronimo.microprofile.opentracing.common.config;

class PrefixedConfig implements GeronimoOpenTracingConfig {
    private final GeronimoOpenTracingConfig delegate;

    PrefixedConfig(final GeronimoOpenTracingConfig geronimoOpenTracingConfig) {
        this.delegate = geronimoOpenTracingConfig;
    }

    @Override
    public String read(final String value, final String def) {
        if (value.startsWith("mp.")) {
            return delegate.read(value, delegate.read("geronimo.opentracing." + value, def));
        }
        return delegate.read("geronimo.opentracing." + value, def);
    }
}