package org.jolokia.docker.maven.log;/*
 * 
 * Copyright 2014 Roland Huss
 *
 * 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.
 */

import java.io.FileNotFoundException;
import java.util.*;

import org.jolokia.docker.maven.access.DockerAccess;
import org.jolokia.docker.maven.access.log.LogGetHandle;

/**
 * @author roland
 * @since 25/11/14
 */
public class LogDispatcher {

    private Map<String,LogGetHandle> logHandles;

    private DockerAccess dockerAccess;

    public LogDispatcher(DockerAccess dockerAccess) {
        this.dockerAccess = dockerAccess;
        logHandles = new HashMap<>();
    }

    public synchronized void trackContainerLog(String containerId, LogOutputSpec spec) throws FileNotFoundException {
        LogGetHandle handle = dockerAccess.getLogAsync(containerId, new DefaultLogCallback(spec));
        logHandles.put(containerId, handle);
    }

    public synchronized void fetchContainerLog(String containerId, LogOutputSpec spec) throws FileNotFoundException {
        dockerAccess.getLogSync(containerId, new DefaultLogCallback(spec));
    }

    public synchronized void untrackAllContainerLogs() {
        for (String key : logHandles.keySet()) {
            LogGetHandle handle = logHandles.get(key);
            handle.finish();
        }
        logHandles.clear();
    }

    // =======================================================================================


}
