com.cognifide.cq.cache.plugins.statistics.action.ClearAction.java Source code

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Here is the source code for com.cognifide.cq.cache.plugins.statistics.action.ClearAction.java

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/*
 * Copyright 2015 Cognifide Polska Sp. z o. o..
 *
 * 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 com.cognifide.cq.cache.plugins.statistics.action;

import com.cognifide.cq.cache.cache.CacheHolder;
import com.cognifide.cq.cache.plugins.statistics.Statistics;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.lang.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class ClearAction implements StatisticsAction {

    private static final Logger logger = LoggerFactory.getLogger(ClearAction.class);

    private final HttpServletRequest request;

    private final HttpServletResponse response;

    private final CacheHolder cacheHolder;

    public ClearAction(HttpServletRequest request, HttpServletResponse response, CacheHolder cacheHolder) {
        this.request = request;
        this.response = response;
        this.cacheHolder = cacheHolder;
    }

    @Override
    public void exectue() {
        String cacheName = request.getParameter(Statistics.CACHE_NAME_PARAMETER);
        if (StringUtils.isNotEmpty(cacheName)) {
            logger.info("Cache {} will be cleared", cacheName);
            cacheHolder.clear(cacheName);
        } else {
            logger.error("Error while reciving request. No key prameter.");
            response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
        }
    }
}