esg.common.shell.cmds.ESGFrealize.java Source code

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Here is the source code for esg.common.shell.cmds.ESGFrealize.java

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/***************************************************************************
*                                                                          *
*  Organization: Lawrence Livermore National Lab (LLNL)                    *
*   Directorate: Computation                                               *
*    Department: Computing Applications and Research                       *
*      Division: S&T Global Security                                       *
*        Matrix: Atmospheric, Earth and Energy Division                    *
*       Program: PCMDI                                                     *
*       Project: Earth Systems Grid Federation (ESGF) Data Node Software   *
*  First Author: Gavin M. Bell (gavin@llnl.gov)                            *
*                                                                          *
****************************************************************************
*                                                                          *
*   Copyright (c) 2009, Lawrence Livermore National Security, LLC.         *
*   Produced at the Lawrence Livermore National Laboratory                 *
*   Written by: Gavin M. Bell (gavin@llnl.gov)                             *
*   LLNL-CODE-420962                                                       *
*                                                                          *
*   All rights reserved. This file is part of the:                         *
*   Earth System Grid Federation (ESGF) Data Node Software Stack           *
*                                                                          *
*   For details, see http://esgf.org/esg-node/                             *
*   Please also read this link                                             *
*    http://esgf.org/LICENSE                                               *
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package esg.common.shell.cmds;

/**
   Description:
   ESGF's "realize" command..."
    
   This command takes a dataset directory and inspects its catalog to
   find missing files (files listed in the dataset catalog but not
   locally present on the filesystem) and brings them local. The
   second half of the 'replication' process - for a single dataset.
**/

import esg.common.shell.*;

import org.apache.commons.cli.*;

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

public class ESGFrealize extends ESGFCommand {

    private static Log log = LogFactory.getLog(ESGFrealize.class);

    public ESGFrealize() {
        super();
    }

    public String getCommandName() {
        return "realize";
    }

    public void doInitOptions() {
        getOptions().addOption("a", "all", false, "realize all dataset files");
        Option dataset = OptionBuilder.withArgName("datasetdir").hasArg().withLongOpt("dataset")
                .withDescription("lists the files of a particular dataset").create("ds");
        getOptions().addOption(dataset);
        Option regex = OptionBuilder.withArgName("regex").hasArg()
                .withDescription("Select only dataset files that match regex").create("regex");
        getOptions().addOption(regex);
    }

    public ESGFEnv doEval(CommandLine line, ESGFEnv env) {
        log.trace("inside the \"realize\" command's doEval");
        //TODO: Query for options and perform execution logic

        if (line.hasOption("all")) {
            env.getWriter().println("Realizing all datasets :-)");
        }

        String datasetdir = null;
        if (line.hasOption("ds")) {
            datasetdir = line.getOptionValue("ds");
            env.getWriter().println("dataset option value is: " + datasetdir);
        }

        String regex = null;
        if (line.hasOption("regex")) {
            datasetdir = line.getOptionValue("regex");
            env.getWriter().println("regex option value is: " + datasetdir);
        }

        int i = 0;
        for (String arg : line.getArgs()) {
            log.trace("arg(" + (i++) + "): " + arg);
        }

        return env;
    }
}