com.kappaware.logtrawler.adminserver.requesthandler.StatsRequestHandler.java Source code

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Here is the source code for com.kappaware.logtrawler.adminserver.requesthandler.StatsRequestHandler.java

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/*
 * Copyright (C) 2016 BROADSoftware
 *
 * 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.kappaware.logtrawler.adminserver.requesthandler;

import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.kappaware.logtrawler.AgentHandler;
import com.kappaware.logtrawler.adminserver.AbstractJsonRequestHandler;
import com.kappaware.logtrawler.adminserver.HttpServerException;
import com.kappaware.logtrawler.adminserver.Stats;
import com.kappaware.logtrawler.ipmatcher.IpMatcher;

public class StatsRequestHandler extends AbstractJsonRequestHandler {
    Log log = LogFactory.getLog(StatsRequestHandler.class);

    private Map<String, AgentHandler> agentHandlerByName;

    public StatsRequestHandler(Map<String, AgentHandler> agentHandlerByName, IpMatcher ipMatcher) {
        super(ipMatcher);
        this.agentHandlerByName = agentHandlerByName;
    }

    @Override
    protected Object handleJsonRequest(HttpServletRequest request, String[] groups, HttpServletResponse response)
            throws HttpServerException {
        if (groups.length == 2) {
            Stats.Mode mode;
            try {
                mode = Stats.Mode.valueOf(groups[1]);
            } catch (Exception e) {
                throw new HttpServerException(HttpServletResponse.SC_NOT_FOUND,
                        String.format("Unknow mode '%s'", groups[1]));
            }
            Stats stats = new Stats();
            if ("*".equals(groups[0])) {
                for (AgentHandler ah : this.agentHandlerByName.values()) {
                    stats.getAgents().add(new Stats.Agent(ah, mode));
                }
            } else {
                AgentHandler ah = this.agentHandlerByName.get(groups[0]);
                if (ah != null) {
                    stats.getAgents().add(new Stats.Agent(ah, mode));
                } else {
                    throw new HttpServerException(HttpServletResponse.SC_NOT_FOUND,
                            String.format("Unknow agent '%s'", groups[0]));
                }
            }
            return stats;
        } else {
            log.error(String.format("groups[].length = %d", groups.length));
            throw new HttpServerException(HttpServletResponse.SC_NOT_FOUND, null);
        }
    }

}