/*
 * 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.sling.feature.extension.apiregions.analyser;

import org.apache.sling.feature.analyser.task.AnalyserTask;
import org.apache.sling.feature.analyser.task.AnalyserTaskContext;
import org.apache.sling.feature.extension.apiregions.api.ApiRegions;

public abstract class AbstractApiRegionsAnalyserTask implements AnalyserTask {

    @Override
    public final void execute(AnalyserTaskContext ctx) throws Exception {
        // read the api-regions
        ApiRegions apiRegions;
        try {
            apiRegions = ApiRegions.getApiRegions(ctx.getFeature());
        } catch (final IllegalArgumentException e) {
            ctx.reportError("API Regions does not represent a valid JSON 'api-regions': "
                    + e.getMessage());
            return;
        }
        if ( apiRegions == null ) {
            // no need to be analysed
            return;
        }
        execute(apiRegions, ctx);
    }

    protected abstract void execute(ApiRegions apiRegions, AnalyserTaskContext ctx) throws Exception;

}