import com.github.dockerjava.core.command.LogContainerResultCallback; //导入依赖的package包/类
/**
 * Synchronized method for returning logs of docker container
 *
 * @param containerId - ID of the container ot lookup logs
 * @return list of strings, where every string is log line
 */
public static List<String> getDockerLogs(String containerId) {

    final List<String> logs = new ArrayList<>();

    LogContainerCmd logContainerCmd = DockerClientFactory.build().logContainerCmd(containerId);
    logContainerCmd.withStdOut(true).withStdErr(true);
    try {
        logContainerCmd.exec(new LogContainerResultCallback() {
            @Override
            public void onNext(Frame item) {
                logs.add(item.toString());
            }
        }).awaitCompletion();
    } catch (InterruptedException e) {
        throw new MinimesosException("Failed to retrieve logs of container " + containerId, e);
    }

    return logs;
}
 

import com.github.dockerjava.core.command.LogContainerResultCallback; //导入依赖的package包/类
public static void showLog(DockerClient dockerClient, String containerId, boolean follow, int numberOfLines, LogContainerResultCallback logCallback) {
    dockerClient.logContainerCmd(containerId).withStdOut(true).withStdErr(true).withFollowStream(follow).withTail(numberOfLines).exec(logCallback);
}