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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 io.milton.http.quota;

import io.milton.resource.QuotaResource;
import io.milton.resource.Resource;

/**
 * Default implementation which just reads the quota properties from
 * QuotaResource, if the given resource implements it. Otherwise
 * returns null;
 *
 * @author brad
 */
public class DefaultQuotaDataAccessor implements QuotaDataAccessor {

    public Long getQuotaAvailable( Resource res ) {
        if( res instanceof QuotaResource ) {
            QuotaResource quotaRes = (QuotaResource) res;
            return quotaRes.getQuotaAvailable();
        } else {
            return null;
        }

    }

    public Long getQuotaUsed( Resource res ) {
        if( res instanceof QuotaResource ) {
            QuotaResource quotaRes = (QuotaResource) res;
            return quotaRes.getQuotaUsed();
        } else {
            return null;
        }
    }
}