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/**
 * Copyright (C) 2013 Antonin Stefanutti ([email protected])
 *
 * Licensed 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 io.astefanutti.metrics.aspectj;

import com.codahale.metrics.MetricRegistry;
import com.codahale.metrics.SharedMetricRegistries;

import java.util.regex.Matcher;

/* packaged-private */ final class JavaSeMetricStrategy implements MetricStrategy {

    @Override
    public MetricRegistry resolveMetricRegistry(String registry) {
        Matcher matcher = EL_PATTERN.matcher(registry);
        if (matcher.find())
            throw new UnsupportedOperationException("Unsupported EL expression [" + registry + "] evaluation as no EL implementation is available");
        else
            return SharedMetricRegistries.getOrCreate(registry);
    }

    @Override
    public String resolveMetricName(String name) {
        Matcher matcher = EL_PATTERN.matcher(name);
        if (matcher.matches())
            throw new UnsupportedOperationException("Unsupported EL expression [" + name + "] evaluation as no EL implementation is available");
        else
            return name;
    }
}